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Patent 2613819 Summary

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Claims and Abstract availability

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(12) Patent Application: (11) CA 2613819
(54) English Title: WATER HEATER UTILIZING PULSED ELECTROLYSIS SYSTEM AND METHOD OF USING SAME
(54) French Title: CHAUFFE-EAU FAISANT APPEL A UN SYSTEME D'ELECTROLYSE A TENSION PULSEE, ET METHODE D'UTILISATION
Status: Deemed Abandoned and Beyond the Period of Reinstatement - Pending Response to Notice of Disregarded Communication
Bibliographic Data
Abstracts

English Abstract


A water heater and a method of operating the same is provided. The water
heater system
(100) is comprised of two primary subsystems; a water heating subsystem (101)
and an electrolytic
heating subsystem (103). The electrolytic heating subsystem (103) is a pulsed
electrolysis system that,
during operation, heats a heat transfer medium contained within a conduit
(105). The heated heat
transfer medium is either pumped through the conduit (105) to a heat exchanger
(109) within the water
storage tank (111), or it is pumped through conduit (105) to an external heat
exchanger (201) that is
coupled to water storage tank (111) via another circulation conduit (203).


Claims

Note: Claims are shown in the official language in which they were submitted.


WHAT IS CLAIMED IS:
1. A water heater comprising:
an electrolytic heating subsystem comprising:
an electrolysis tank;
a membrane separating said electrolysis tank into a first region and a second
region;
at least one pair of low voltage electrodes contained within said electrolysis
tank, wherein each pair of said at least one pair of low voltage electrodes
includes an anode and a
cathode;
at least one pair of high voltage electrodes contained within said
electrolysis
tank, wherein each pair of said at least one pair of high voltage electrodes
includes an anode and
a cathode, wherein said anodes of said at least one pair of low voltage
electrodes and said anodes
of said at least one pair of high voltage electrodes are contained within said
first region, wherein
said cathodes of said at least one pair of low voltage electrodes and said
cathodes of said at least
one pair of high voltage electrodes are contained within said second region,
and wherein a first
separation distance corresponding to the distance between the electrodes of
each pair of high
voltage electrodes is greater than a second separation distance corresponding
to the distance
between the electrodes of each pair of low voltage electrodes;
a low voltage source with a first output voltage electrically connected to
said at
least one pair of low voltage electrodes;
a high voltage source with a second output voltage electrically connected to
said
at least one pair of high voltage electrodes, wherein said second output
voltage is higher than
said first output voltage; and
means for simultaneously pulsing both said low voltage source and said high
voltage source voltage at a specific frequency and with a specific pulse
duration;
a water heating subsystem comprising:
a water storage tank;
a water inlet coupled to said water storage tank;
a water outlet coupled to said water storage tank; and
a heat exchanger within said water storage tank;

a conduit containing a heat transfer medium, wherein a first portion of said
conduit is in
thermal communication with said electrolytic heating subsystem and a second
portion of said conduit is
coupled to said heat exchanger; and
a circulation pump coupled to said conduit and interposed between said first
and second
portions of said conduit.
2. The water heater of claim 1, further comprising a system controller coupled
to
said electrolytic heating subsystem and said water heating subsystem.
3. The water heater of claim 2, wherein said system controller is coupled to
at least
one of said low voltage source, said high voltage source, and said
simultaneous pulsing means.
4. The water heater of claim 2, further comprising a temperature monitor in
thermal contact with water within said water storage tank, wherein said system
controller is coupled to
said temperature monitor.
5. The water heater of claim 2, further comprising a temperature monitor in
thermal contact with said electrolytic heating subsystem, wherein said system
controller is coupled to
said temperature monitor.
6. The water heater of claim 2, further comprising a temperature monitor in
thermal contact with said conduit, wherein said system controller is coupled
to said temperature monitor.
7. The water heater of claim 2, further comprising a temperature monitor in
thermal contact with said heat transfer medium within said conduit, wherein
said system controller is
coupled to said temperature monitor.
8. The water heater of claim 2, wherein said system controller is coupled to
said
circulation pump.
9. The water heater of claim 2, further comprising a flow valve within an
inlet line
coupled to said electrolysis tank, wherein said system controller is coupled
to said flow valve.
10. The water heater of claim 2, further comprising a water level monitor
within
said electrolysis tank, wherein said system controller is coupled to said
water level monitor.
21

11. The water heater of claim 2, further comprising a pH monitor within said
electrolysis tank, wherein said system controller is coupled to said pH
monitor.
12. The water heater of claim 2, further comprising a resistivity monitor
within said
electrolysis tank, wherein said system controller is coupled to said
resistivity monitor.
13. The water heater of claim 1, wherein said first portion of said conduit
surrounds
at least a portion of said electrolysis tank.
14. The water heater of claim 1, wherein said first portion of said conduit is
contained within said electrolysis tank.
15. The water heater of claim 1, wherein said first portion of said conduit is
integrated within a portion of a wall comprising said electrolysis tank.
16. The water heater of claim 1, further comprising a liquid within said
electrolysis
tank, wherein said liquid includes at least one of water, deuterated water,
tritiated water, semiheavy
water, heavy oxygen water, water containing an isotope of hydrogen, and water
containing an isotope of
oxygen.
17. The water heater of claim 16, further comprising an electrolyte within
said
liquid, said electrolyte having a concentration of between 0.05 and 10.0
percent by weight.
18. The water heater of claim 16, further comprising an electrolyte within
said
liquid, said electrolyte having a concentration of between 0.05 and 2.0
percent by weight.
19. The water heater of claim 16, further comprising an electrolyte within
said
liquid, said electrolyte having a concentration of between 0.1 and 0.5 percent
by weight.
20. The water heater of claim 1, wherein said specific frequency is between 50
Hz
and 1 MHz.
21. The water heater of claim 1, wherein said specific frequency is between
100 Hz
and 10 kHz.
22. The water heater of claim 1, wherein said specific pulse duration is
between 0.01
and 75 percent of a time period defined by said specific frequency.
22

23. The water heater of claim 1, wherein said specific pulse duration is
between 0.1
and 50 percent of a time period defined by said specific frequency.
24. The water heater of claim 1, wherein said simultaneous pulsing means
comprises a pulse generator coupled to said low voltage source and to said
high voltage source.
25. The water heater of claim 1, wherein said simultaneous pulsing means
comprises a pulse generator coupled to a low voltage switch and coupled to a
high voltage switch,
wherein said low voltage switch is coupled to said low voltage source, and
wherein said high voltage
switch is coupled to said high voltage source.
26. The water heater of claim 1, wherein said simultaneous pulsing means
comprises a first internal pulse generator coupled to said low voltage source
and a second internal pulse
generator coupled to said high voltage source.
27. The water heater of claim 1, wherein a ratio of said second output voltage
to said
first output voltage is within the range of 5:1 to 100:1.
28. The water heater of claim 1, wherein said first output voltage is between
3 volts
and 1500 volts and said second output voltage is between 50 volts and 50
kilovolts.
29. The water heater of claim 1, wherein said first output voltage is between
12 volts
and 750 volts and said second output voltage is between 100 volts and 5
kilovolts.
30. The water heater of claim 1, wherein each low voltage cathode is comprised
of a
first material, wherein each low voltage anode is comprised of a second
material, wherein each high
voltage cathode is comprised of a third material, wherein each high voltage
anode is comprised of a
fourth material, and wherein said first, second, third and fourth materials
are selected from the group
consisting of titanium, stainless steel, copper, iron, steel, cobalt,
manganese, zinc, nickel, platinum,
palladium, aluminum, lithium, magnesium, boron, carbon, graphite, carbon-
graphite, and metal hydrides
and alloys of titanium, stainless steel, copper, iron, steel, cobalt,
manganese, zinc, nickel, platinum,
palladium, aluminum, lithium, magnesium, boron, carbon, graphite, carbon-
graphite, and metal hydrides.
31. The water heater of claim 1, further comprising an electromagnetic rate
controller subsystem, said electromagnetic rate controller subsystem
comprising:
23

at least one electromagnetic coil, said at least one electromagnetic coil
generating a
controllable magnetic field within a portion of said electrolysis tank; and
means for controlling magnetic field intensity of said magnetic field, wherein
said
controlling means is coupled to said at least one electromagnetic coil.
32. The water heater of claim 31, wherein said at least one electromagnetic
coil is
contained within said electrolysis tank.
33. The water heater of claim 31, wherein said at least one electromagnetic
coil is
integrated within a wall of said electrolysis tank.
34. The water heater of claim 31, wherein said at least one electromagnetic
coil
surrounds a section of said electrolysis tank.
35. The water heater of claim 31, wherein said portion of said electrolysis
tank
includes a section of said first region of said electrolysis tank, said
section defined by said anodes of said
at least one pair of high voltage electrodes and said anodes of said at least
one pair of low voltage
electrodes.
36. The water heater of claim 31, wherein said portion of said electrolysis
tank
includes a section of said second region of said electrolysis tank, said
section defined by said cathodes of
said at least one pair of high voltage electrodes and said cathodes of said at
least one pair of low voltage
electrodes.
37. The water heater of claim 31, wherein said portion of said electrolysis
tank
includes a first section of said first region of said electrolysis tank, said
first section defined by said
anodes of said at least one pair of high voltage electrodes and said anodes of
said at least one pair of low
voltage electrodes, and wherein said portion of said electrolysis tank
includes a second section of said
second region of said electrolysis tank, said second section defined by said
cathodes of said at least one
pair of high voltage electrodes and said cathodes of said at least one pair of
low voltage electrodes.
38. The water heater of claim 31, said magnetic field intensity controlling
means
further comprising a variable output power supply.
24

39. The water heater of claim 31, further comprising a system controller
coupled to
at least one of said electrolytic heating subsystem, said water heating
subsystem and said electromagnetic
rate controller subsystem.
40. The water heater of claim 1, further comprising at least one permanent
magnet,
said at least one permanent magnet generating a magnetic field within a
portion of said electrolysis tank.
41. The water heater of claim 40, wherein said portion of said electrolysis
tank
includes a section of said first region of said electrolysis tank, said
section defined by said anodes of said
at least one pair of high voltage electrodes and said anodes of said at least
one pair of low voltage
electrodes.
42. The water heater of claim 40, wherein said portion of said electrolysis
tank
includes a section of said second region of said electrolysis tank, said
section defined by said cathodes of
said at least one pair of high voltage electrodes and said cathodes of said at
least one pair of low voltage
electrodes.
43. The water heater of claim 40, wherein said portion of said electrolysis
tank
includes a first section of said first region of said electrolysis tank, said
first section defined by said
anodes of said at least one pair of high voltage electrodes and said anodes of
said at least one pair of low
voltage electrodes, and wherein said portion of said electrolysis tank
includes a second section of said
second region of said electrolysis tank, said second section defined by said
cathodes of said at least one
pair of high voltage electrodes and said cathodes of said at least one pair of
low voltage electrodes.
44. The water heater of claim 40, wherein said at least one permanent magnet
is
comprised of a first permanent magnet and a second permanent magnet, wherein
said first permanent
magnet generates a magnetic field within a first section of said first region
of said electrolysis tank, said
first section defined by said anodes of said at least one pair of high voltage
electrodes and said anodes of
said at least one pair of low voltage electrodes, and wherein said second
permanent magnet generates a
magnetic field within a second section of said second region of said
electrolysis tank, said second section
defined by said cathodes of said at least one pair of high voltage electrodes
and said cathodes of said at
least one pair of low voltage electrodes.
45. A water heater comprising:
an electrolytic heating subsystem comprising:

an electrolysis tank;
a membrane separating said electrolysis tank into a first region and a second
region;
at least one pair of high voltage electrodes contained within said
electrolysis
tank, wherein each pair of said at least one pair of high voltage electrodes
includes an anode and
a cathode, wherein said anodes of said at least one pair of high voltage
electrodes are contained
within said first region, and wherein said cathodes of said at least one pair
of high voltage
electrodes are contained within said second region;
a plurality of metal members contained within said electrolysis tank, wherein
at
least a first metal member of said plurality of metal members is contained
within said first region
and interposed between said anodes of said at least one pair of high voltage
electrodes and said
membrane, and wherein at least a second metal member of said plurality of
metal members is
contained within said second region and interposed between said cathodes of
said at least one
pair of high voltage electrodes and said membrane;
a high voltage source with an output voltage electrically connected to said at
least one pair of high voltage electrodes; and
means for pulsing said high voltage source voltage at a specific frequency and
with a specific pulse duration;
a water heating subsystem comprising:
a water storage tank;
a water inlet coupled to said water storage tank;
a water outlet coupled to said water storage tank; and
a heat exchanger within said water storage tank;
a conduit containing a heat transfer medium, wherein a first portion of said
conduit is in
thermal communication with said electrolytic heating subsystem and a second
portion of said conduit is
coupled to said heat exchanger; and
a circulation pump coupled to said conduit and interposed between said first
and second
portions of said conduit.
46. The water heater of claim 45, further comprising a system controller
coupled to
said electrolytic heating subsystem and said water heating subsystem.
47. The water heater of claim 46, wherein said system controller is coupled to
at
least one of said high voltage source and said pulsing means.
26

48. The water heater of claim 46, further comprising a temperature monitor in
thermal contact with water within said water storage tank, wherein said system
controller is coupled to
said temperature monitor.
49. The water heater of claim 46, further comprising a temperature monitor in
thermal contact with said electrolytic heating subsystem, wherein said system
controller is coupled to
said temperature monitor.
50. The water heater of claim 46, further comprising a temperature monitor in
thermal contact with said conduit, wherein said system controller is coupled
to said temperature monitor.
51. The water heater of claim 46, further comprising a temperature monitor in
thermal contact with said heat transfer medium within said conduit, wherein
said system controller is
coupled to said temperature monitor.
52. The water heater of claim 46, wherein said system controller is coupled to
said
circulation pump.
53. The water heater of claim 46, further comprising a flow valve within an
inlet
line coupled to said electrolysis tank, wherein said system controller is
coupled to said flow valve.
54. The water heater of claim 46, further comprising a water level monitor
within
said electrolysis tank, wherein said system controller is coupled to said
water level monitor.
55. The water heater of claim 46, further comprising a pH monitor within said
electrolysis tank, wherein said system controller is coupled to said pH
monitor.
56. The water heater of claim 46, further comprising a resistivity monitor
within
said electrolysis tank, wherein said system controller is coupled to said
resistivity monitor.
57. The water heater of claim 45, wherein said first portion of said conduit
surrounds at least a portion of said electrolysis tank.
58. The water heater of claim 45, wherein said first portion of said conduit
is
contained within said electrolysis tank.
27

59. The water heater of claim 45, wherein said first portion of said conduit
is
integrated within a portion of a wall comprising said electrolysis tank.
60. The water heater of claim 45, further comprising a liquid within said
electrolysis
tank, wherein said liquid includes at least one of water, deuterated water,
tritiated water, semiheavy
water, heavy oxygen water, water containing an isotope of hydrogen, and water
containing an isotope of
oxygen.
61. The water heater of claim 60, further comprising an electrolyte within
said
liquid, said electrolyte having a concentration of between 0.05 and 10.0
percent by weight.
62. The water heater of claim 60, further comprising an electrolyte within
said
liquid, said electrolyte having a concentration of between 0.05 and 2.0
percent by weight.
63. The water heater of claim 60, further comprising an electrolyte within
said
liquid, said electrolyte having a concentration of between 0.1 and 0.5 percent
by weight.
64. The water heater of claim 45, wherein said specific frequency is between
50 Hz
and 1 MHz.
65. The water heater of claim 45, wherein said specific frequency is between
100 Hz
and 10 kHz.
66. The water heater of claim 45, wherein said specific pulse duration is
between
0.01 and 75 percent of a time period defined by said specific frequency.
67. The water heater of claim 45, wherein said specific pulse duration is
between 0.1
and 50 percent of a time period defined by said specific frequency.
68. The water heater of claim 45, wherein said pulsing means comprises a pulse
generator coupled to said high voltage source.
69. The water heater of claim 68, wherein said pulse generator is integrated
within
said high voltage source.
28

70. The water heater of claim 45, wherein said pulsing means comprises a pulse
generator coupled to a high voltage switch, wherein said high voltage switch
is coupled to said high
voltage source.
71. The water heater of claim 45, wherein said output voltage is between 50
volts
and 50 kilovolts.
72. The water heater of claim 45, wherein said output voltage is between 100
volts
and 5 kilovolts.
73. The water heater of claim 45, wherein each high voltage cathode is
comprised of
a first material, wherein each high voltage anode is comprised of a second
material, wherein each metal
member of said plurality of metal members is comprised of a third material,
and wherein said first,
second and third materials are selected from the group consisting of titanium,
stainless steel, copper,
iron, steel, cobalt, manganese, zinc, nickel, platinum, palladium, aluminum,
lithium, magnesium, boron,
carbon, graphite, carbon-graphite, and metal hydrides and alloys of titanium,
stainless steel, copper, iron,
steel, cobalt, manganese, zinc, nickel, platinum, palladium, aluminum,
lithium, magnesium, boron,
carbon, graphite, carbon-graphite, and metal hydrides.
74. The water heater of claim 45, further comprising an electromagnetic rate
controller subsystem, said electromagnetic rate controller subsystem
comprising:
at least one electromagnetic coil, said at least one electromagnetic coil
generating a
controllable magnetic field within a portion of said electrolysis tank; and
means for controlling magnetic field intensity of said magnetic field, wherein
said
controlling means is coupled to said at least one electromagnetic coil.
75. The water heater of claim 74, wherein said at least one electromagnetic
coil is
contained within said electrolysis tank.
76. The water heater of claim 74, wherein said at least one electromagnetic
coil is
integrated within a wall of said electrolysis tank.
77. The water heater of claim 74, wherein said at least one electromagnetic
coil
surrounds a section of said electrolysis tank.
29

78. The water heater of claim 74, wherein said portion of said electrolysis
tank
includes a section of said first region of said electrolysis tank, said
section defined by said anodes of said
at least one pair of high voltage electrodes and said membrane.
79. The water heater of claim 74, wherein said portion of said electrolysis
tank
includes a section of said second region of said electrolysis tank, said
section defined by said cathodes of
said at least one pair of high voltage electrodes and said membrane.
80. The water heater of claim 74, wherein said portion of said electrolysis
tank
includes a first section of said first region of said electrolysis tank, said
first section defined by said
anodes of said at least one pair of high voltage electrodes and said membrane,
and wherein said portion
of said electrolysis tank includes a second section of said second region of
said electrolysis tank, said
second section defined by said cathodes of said at least one pair of high
voltage electrodes and said
membrane.
81. The water heater of claim 74, said magnetic field intensity controlling
means
further comprising a variable output power supply.
82. The water heater of claim 74, further comprising a system controller
coupled to
at least one of said electrolytic heating subsystem, said water heating
subsystem and said electromagnetic
rate controller subsystem.
83. The water heater of claim 45, further comprising at least one permanent
magnet,
said at least one permanent magnet generating a magnetic field within a
portion of said electrolysis tank.
84. The water heater of claim 83, wherein said portion of said electrolysis
tank
includes a section of said first region of said electrolysis tank, said
section defined by said anodes of said
at least one pair of high voltage electrodes and said membrane.
85. The water heater of claim 83, wherein said portion of said electrolysis
tank
includes a section of said second region of said electrolysis tank, said
section defined by said cathodes of
said at least one pair of high voltage electrodes and said membrane.
86. The water heater of claim 83, wherein said portion of said electrolysis
tank
includes a first section of said first region of said electrolysis tank, said
first section defined by said
anodes of said at least one pair of high voltage electrodes and said membrane,
and wherein said portion

of said electrolysis tank includes a second section of said second region of
said electrolysis tank, said
second section defined by said cathodes of said at least one pair of high
voltage electrodes and said
membrane.
87. The water heater of claim 83, wherein said at least one permanent magnet
is
comprised of a first permanent magnet and a second permanent magnet, wherein
said first permanent
magnet generates a magnetic field within a first section of said first region
of said electrolysis tank, said
first section defined by said anodes of said at least one pair of high voltage
electrodes and said
membrane, and wherein said second permanent magnet generates a magnetic field
within a second
section of said second region of said electrolysis tank, said second section
defined by said cathodes of
said at least one pair of high voltage electrodes and said membrane.
88. A water heater comprising:
an electrolytic heating subsystem comprising:
an electrolysis tank;
a membrane separating said electrolysis tank into a first region and a second
region;
at least one pair of low voltage electrodes contained within said electrolysis
tank, wherein each pair of said at least one pair of low voltage electrodes
includes an anode and a
cathode;
at least one pair of high voltage electrodes contained within said
electrolysis
tank, wherein each pair of said at least one pair of high voltage electrodes
includes an anode and
a cathode, wherein said anodes of said at least one pair of low voltage
electrodes and said anodes
of said at least one pair of high voltage electrodes are contained within said
first region, wherein
said cathodes of said at least one pair of low voltage electrodes and said
cathodes of said at least
one pair of high voltage electrodes are contained within said second region,
and wherein a first
separation distance corresponding to the distance between the electrodes of
each pair of high
voltage electrodes is greater than a second separation distance corresponding
to the distance
between the electrodes of each pair of low voltage electrodes;
a low voltage source with a first output voltage electrically connected to
said at
least one pair of low voltage electrodes;
a high voltage source with a second output voltage electrically connected to
said
at least one pair of high voltage electrodes, wherein said second output
voltage is higher than
said first output voltage; and
31

means for simultaneously pulsing both said low voltage source and said high
voltage source voltage at a specific frequency and with a specific pulse
duration;
a water heating subsystem comprising:
a water storage tank;
a water inlet coupled to said water storage tank; and
a water outlet coupled to said water storage tank;
a heat exchanger;
a heat transfer medium circulation conduit, wherein a first portion of said
heat transfer
medium conduit is in thermal communication with said electrolytic heating
subsystem and a second
portion of said heat transfer medium conduit is coupled to said heat
exchanger;
a water circulation conduit coupled to said water storage tank and coupled to
said heat
exchanger;
a first circulation pump coupled to said heat transfer medium circulation
conduit and
interposed between said first portion of said heat transfer medium conduit and
said second portion of said
heat transfer medium conduit; and
a second circulation pump coupled to said water circulation conduit and
interposed
between said water storage tank and said heat exchanger.
89. The water heater of claim 88, further comprising a system controller
coupled to
said electrolytic heating subsystem and said water heating subsystem.
90. The water heater of claim 89, wherein said system controller is coupled to
at
least one of said low voltage source, said high voltage source, and said
simultaneous pulsing means.
91. The water heater of claim 89, further comprising a temperature monitor in
thermal contact with water within said water storage tank, wherein said system
controller is coupled to
said temperature monitor.
92. The water heater of claim 89, further comprising a temperature monitor in
thermal contact with said electrolytic heating subsystem, wherein said system
controller is coupled to
said temperature monitor.
93. The water heater of claim 89, further comprising a temperature monitor in
thermal contact with said heat transfer medium circulation conduit, wherein
said system controller is
coupled to said temperature monitor.
32

94. The water heater of claim 89, further comprising a temperature monitor in
thermal contact with heat transfer medium contained within said heat transfer
medium circulation
conduit, wherein said system controller is coupled to said temperature
monitor.
95. The water heater of claim 89, wherein said system controller is coupled to
at
least one of said first circulation pump and said second circulation pump.
96. The water heater of claim 89, further comprising a flow valve within an
inlet
line coupled to said electrolysis tank, wherein said system controller is
coupled to said flow valve.
97. The water heater of claim 89, further comprising a water level monitor
within
said electrolysis tank, wherein said system controller is coupled to said
water level monitor.
98. The water heater of claim 89, further comprising a pH monitor within said
electrolysis tank, wherein said system controller is coupled to said pH
monitor.
99. The water heater of claim 89, further comprising a resistivity monitor
within
said electrolysis tank, wherein said system controller is coupled to said
resistivity monitor.
100. The water heater of claim 88, wherein said first portion of said heat
transfer
medium circulation conduit surrounds at least a portion of said electrolysis
tank.
101. The water heater of claim 88, wherein said first portion of said heat
transfer
medium circulation conduit is contained within said electrolysis tank.
102. The water heater of claim 88, wherein said first portion of said heat
transfer
medium circulation conduit is integrated within a portion of a wall comprising
said electrolysis tank.
103. The water heater of claim 88, further comprising a liquid within said
electrolysis
tank, wherein said liquid includes at least one of water, deuterated water,
tritiated water, semiheavy
water, heavy oxygen water, water containing an isotope of hydrogen, and water
containing an isotope of
oxygen.
104. The water heater of claim 103, further comprising an electrolyte within
said
liquid, said electrolyte having a concentration of between 0.05 and 10.0
percent by weight.
33

105. The water heater of claim 103, further comprising an electrolyte within
said
liquid, said electrolyte having a concentration of between 0.05 and 2.0
percent by weight.
106. The water heater of claim 103, further comprising an electrolyte within
said
liquid, said electrolyte having a concentration of between 0.1 and 0.5 percent
by weight.
107. The water heater of claim 88, wherein said specific frequency is between
50 Hz
and 1 MHz.
108. The water heater of claim 88, wherein said specific frequency is between
100 Hz
and 10 kHz.
109. The water heater of claim 88, wherein said specific pulse duration is
between
0.01 and 75 percent of a time period defined by said specific frequency.
110. The water heater of claim 88, wherein said specific pulse duration is
between 0.1
and 50 percent of a time period defined by said specific frequency.
111. The water heater of claim 88, wherein said simultaneous pulsing means
comprises a pulse generator coupled to said low voltage source and to said
high voltage source.
112. The water heater of claim 88, wherein said simultaneous pulsing means
comprises a pulse generator coupled to a low voltage switch and coupled to a
high voltage switch,
wherein said low voltage switch is coupled to said low voltage source, and
wherein said high voltage
switch is coupled to said high voltage source.
113. The water heater of claim 88, wherein said simultaneous pulsing means
comprises a first internal pulse generator coupled to said low voltage source
and a second internal pulse
generator coupled to said high voltage source.
114. The water heater of claim 88, wherein a ratio of said second output
voltage to
said first output voltage is within the range of 5:1 to 100:1.
115. The water heater of claim 88, wherein said first output voltage is
between 3 volts
and 1500 volts and said second output voltage is between 50 volts and 50
kilovolts.
34

116. The water heater of claim 88, wherein said first output voltage is
between 12
volts and 750 volts and said second output voltage is between 100 volts and 5
kilovolts.
117. The water heater of claim 88, wherein each low voltage cathode is
comprised of
a first material, wherein each low voltage anode is comprised of a second
material, wherein each high
voltage cathode is comprised of a third material, wherein each high voltage
anode is comprised of a
fourth material, and wherein said first, second, third and fourth materials
are selected from the group
consisting of titanium, stainless steel, copper, iron, steel, cobalt,
manganese, zinc, nickel, platinum,
palladium, aluminum, lithium, magnesium, boron, carbon, graphite, carbon-
graphite, and metal hydrides
and alloys of titanium, stainless steel, copper, iron, steel, cobalt,
manganese, zinc, nickel, platinum,
palladium, aluminum, lithium, magnesium, boron, carbon, graphite, carbon-
graphite, and metal hydrides.
118. The water heater of claim 88, further comprising an electromagnetic rate
controller subsystem, said electromagnetic rate controller subsystem
comprising:
at least one electromagnetic coil, said at least one electromagnetic coil
generating a
controllable magnetic field within a portion of said electrolysis tank; and
means for controlling magnetic field intensity of said magnetic field, wherein
said
controlling means is coupled to said at least one electromagnetic coil.
119. The water heater of claim 118, wherein said at least one electromagnetic
coil is
contained within said electrolysis tank.
120. The water heater of claim 118, wherein said at least one electromagnetic
coil is
integrated within a wall of said electrolysis tank.
121. The water heater of claim 118, wherein said at least one electromagnetic
coil
surrounds a section of said electrolysis tank.
122. The water heater of claim 118, wherein said portion of said electrolysis
tank
includes a section of said first region of said electrolysis tank, said
section defined by said anodes of said
at least one pair of high voltage electrodes and said anodes of said at least
one pair of low voltage
electrodes.
123. The water heater of claim 118, wherein said portion of said electrolysis
tank
includes a section of said second region of said electrolysis tank, said
section defined by said cathodes of

said at least one pair of high voltage electrodes and said cathodes of said at
least one pair of low voltage
electrodes.
124. The water heater of claim 118, wherein said portion of said electrolysis
tank
includes a first section of said first region of said electrolysis tank, said
first section defined by said
anodes of said at least one pair of high voltage electrodes and said anodes of
said at least one pair of low
voltage electrodes, and wherein said portion of said electrolysis tank
includes a second section of said
second region of said electrolysis tank, said second section defined by said
cathodes of said at least one
pair of high voltage electrodes and said cathodes of said at least one pair of
low voltage electrodes.
125. The water heater of claim 118, said magnetic field intensity controlling
means
further comprising a variable output power supply.
126. The water heater of claim 118, further comprising a system controller
coupled to
at least one of said electrolytic heating subsystem, said water heating
subsystem and said electromagnetic
rate controller subsystem.
127. The water heater of claim 88, further comprising at least one permanent
magnet,
said at least one permanent magnet generating a magnetic field within a
portion of said electrolysis tank.
128. The water heater of claim 127, wherein said portion of said electrolysis
tank
includes a section of said first region of said electrolysis tank, said
section defined by said anodes of said
at least one pair of high voltage electrodes and said anodes of said at least
one pair of low voltage
electrodes.
129. The water heater of claim 127, wherein said portion of said electrolysis
tank
includes a section of said second region of said electrolysis tank, said
section defined by said cathodes of
said at least one pair of high voltage electrodes and said cathodes of said at
least one pair of low voltage
electrodes.
130. The water heater of claim 127, wherein said portion of said electrolysis
tank
includes a first section of said first region of said electrolysis tank, said
first section defined by said
anodes of said at least one pair of high voltage electrodes and said anodes of
said at least one pair of low
voltage electrodes, and wherein said portion of said electrolysis tank
includes a second section of said
second region of said electrolysis tank, said second section defined by said
cathodes of said at least one
pair of high voltage electrodes and said cathodes of said at least one pair of
low voltage electrodes.
36

131. The water heater of claim 127, wherein said at least one permanent magnet
is
comprised of a first permanent magnet and a second permanent magnet, wherein
said first permanent
magnet generates a magnetic field within a first section of said first region
of said electrolysis tank, said
first section defined by said anodes of said at least one pair of high voltage
electrodes and said anodes of
said at least one pair of low voltage electrodes, and wherein said second
permanent magnet generates a
magnetic field within a second section of said second region of said
electrolysis tank, said second section
defined by said cathodes of said at least one pair of high voltage electrodes
and said cathodes of said at
least one pair of low voltage electrodes.
132. A water heater comprising:
an electrolytic heating subsystem comprising:
an electrolysis tank;
a membrane separating said electrolysis tank into a first region and a second
region;
at least one pair of high voltage electrodes contained within said
electrolysis
tank, wherein each pair of said at least one pair of high voltage electrodes
includes an anode and
a cathode, wherein said anodes of said at least one pair of high voltage
electrodes are contained
within said first region, and wherein said cathodes of said at least one pair
of high voltage
electrodes are contained within said second region;
a plurality of metal members contained within said electrolysis tank, wherein
at
least a first metal member of said plurality of metal members is contained
within said first region
and interposed between said anodes of said at least one pair of high voltage
electrodes and said
membrane, and wherein at least a second metal member of said plurality of
metal members is
contained within said second region and interposed between said cathodes of
said at least one
pair of high voltage electrodes and said membrane;
a high voltage source with an output voltage electrically connected to said at
least one pair of high voltage electrodes; and
means for pulsing said high voltage source voltage at a specific frequency and
with a specific pulse duration;
a water heating subsystem comprising:
a water storage tank;
a water inlet coupled to said water storage tank; and
a water outlet coupled to said water storage tank;
37

a heat exchanger;
a heat transfer medium circulation conduit, wherein a first portion of said
heat transfer
medium conduit is in thermal communication with said electrolytic heating
subsystem and a second
portion of said heat transfer medium conduit is coupled to said heat
exchanger;
a water circulation conduit coupled to said water storage tank and coupled to
said heat
exchanger;
a first circulation pump coupled to said heat transfer medium circulation
conduit and
interposed between said first portion of said heat transfer medium conduit and
said second portion of said
heat transfer medium conduit; and
a second circulation pump coupled to said water circulation conduit and
interposed
between said water storage tank and said heat exchanger.
133. The water heater of claim 132, further comprising a system controller
coupled to
said electrolytic heating subsystem and said water heating subsystem.
134. The water heater of claim 133, wherein said system controller is coupled
to at
least one of said high voltage source and said pulsing means.
135. The water heater of claim 133, further comprising a temperature monitor
in
thermal contact with water within said water storage tank, wherein said system
controller is coupled to
said temperature monitor.
136. The water heater of claim 133, further comprising a temperature monitor
in
thermal contact with said electrolytic heating subsystem, wherein said system
controller is coupled to
said temperature monitor.
137. The water heater of claim 133, further comprising a temperature monitor
in
thermal contact with said heat transfer medium circulation conduit, wherein
said system controller is
coupled to said temperature monitor.
138. The water heater of claim 133, further comprising a temperature monitor
in
thermal contact with heat transfer medium contained within said heat transfer
medium circulation
conduit, wherein said system controller is coupled to said temperature
monitor.
139. The water heater of claim 133, wherein said system controller is coupled
to at
least one of said first circulation pump and said second circulation pump.
38

140. The water heater of claim 133, further comprising a flow valve within an
inlet
line coupled to said electrolysis tank, wherein said system controller is
coupled to said flow valve.
141. The water heater of claim 133, further comprising a water level monitor
within
said electrolysis tank, wherein said system controller is coupled to said
water level monitor.
142. The water heater of claim 133, further comprising a pH monitor within
said
electrolysis tank, wherein said system controller is coupled to said pH
monitor.
143. The water heater of claim 133, further comprising a resistivity monitor
within
said electrolysis tank, wherein said system controller is coupled to said
resistivity monitor.
144. The water heater of claim 132, wherein said first portion of said heat
transfer
medium circulation conduit surrounds at least a portion of said electrolysis
tank.
145. The water heater of claim 132, wherein said first portion of said heat
transfer
medium circulation conduit is contained within said electrolysis tank.
146. The water heater of claim 132, wherein said first portion of said heat
transfer
medium circulation conduit is integrated within a portion of a wall comprising
said electrolysis tank.
147. The water heater of claim 132, further comprising a liquid within said
electrolysis tank, wherein said liquid includes at least one of water,
deuterated water, tritiated water,
semiheavy water, heavy oxygen water, water containing an isotope of hydrogen,
and water containing an
isotope of oxygen.
148. The water heater of claim 147, further comprising an electrolyte within
said
liquid, said electrolyte having a concentration of between 0.05 and 10.0
percent by weight.
149. The water heater of claim 147, further comprising an electrolyte within
said
liquid, said electrolyte having a concentration of between 0.05 and 2.0
percent by weight.
150. The water heater of claim 147, further comprising an electrolyte within
said
liquid, said electrolyte having a concentration of between 0.1 and 0.5 percent
by weight.
151. The water heater of claim 132, wherein said specific frequency is between
50 Hz
and 1 MHz.
39

152. The water heater of claim 132, wherein said specific frequency is between
100
Hz and 10 kHz.
153. The water heater of claim 132, wherein said specific pulse duration is
between
0.01 and 75 percent of a time period defined by said specific frequency.
154. The water heater of claim 132, wherein said specific pulse duration is
between
0.1 and 50 percent of a time period defined by said specific frequency.
155. The water heater of claim 132, wherein said pulsing means comprises a
pulse
generator coupled to said high voltage source.
156. The water heater of claim 155, wherein said pulse generator is integrated
within
said high voltage source.
157. The water heater of claim 132, wherein said pulsing means comprises a
pulse
generator coupled to a high voltage switch, wherein said high voltage switch
is coupled to said high
voltage source.
158. The water heater of claim 132, wherein said output voltage is between 50
volts
and 50 kilovolts.
159. The water heater of claim 132, wherein said output voltage is between 100
volts
and 5 kilovolts.
160. The water heater of claim 132, wherein each high voltage cathode is
comprised
of a first material, wherein each high voltage anode is comprised of a second
material, wherein each
metal member of said plurality of metal members is comprised of a third
material, and wherein said first,
second and third materials are selected from the group consisting of titanium,
stainless steel, copper,
iron, steel, cobalt, manganese, zinc, nickel, platinum, palladium, aluminum,
lithium, magnesium, boron,
carbon, graphite, carbon-graphite, and metal hydrides and alloys of titanium,
stainless steel, copper, iron,
steel, cobalt, manganese, zinc, nickel, platinum, palladium, aluminum,
lithium, magnesium, boron,
carbon, graphite, carbon-graphite, and metal hydrides.
161. The water heater of claim 132, further comprising an electromagnetic rate
controller subsystem, said electromagnetic rate controller subsystem
comprising:
40

at least one electromagnetic coil, said at least one electromagnetic coil
generating a
controllable magnetic field within a portion of said electrolysis tank; and
means for controlling magnetic field intensity of said magnetic field, wherein
said
controlling means is coupled to said at least one electromagnetic coil.
162. The water heater of claim 161, wherein said at least one electromagnetic
coil is
contained within said electrolysis tank.
163. The water heater of claim 161, wherein said at least one electromagnetic
coil is
integrated within a wall of said electrolysis tank.
164. The water heater of claim 161, wherein said at least one electromagnetic
coil
surrounds a section of said electrolysis tank.
165. The water heater of claim 161, wherein said portion of said electrolysis
tank
includes a section of said first region of said electrolysis tank, said
section defined by said anodes of said
at least one pair of high voltage electrodes and said membrane.
166. The water heater of claim 161, wherein said portion of said electrolysis
tank
includes a section of said second region of said electrolysis tank, said
section defined by said cathodes of
said at least one pair of high voltage electrodes and said membrane.
167. The water heater of claim 161, wherein said portion of said electrolysis
tank
includes a first section of said first region of said electrolysis tank, said
first section defined by said
anodes of said at least one pair of high voltage electrodes and said membrane,
and wherein said portion
of said electrolysis tank includes a second section of said second region of
said electrolysis tank, said
second section defined by said cathodes of said at least one pair of high
voltage electrodes and said
membrane.
168. The water heater of claim 161, said magnetic field intensity controlling
means
further comprising a variable output power supply.
169. The water heater of claim 161, further comprising a system controller
coupled to
at least one of said electrolytic heating subsystem, said water heating
subsystem and said electromagnetic
rate controller subsystem.
41

170. The water heater of claim 132, further comprising at least one permanent
magnet, said at least one permanent magnet generating a magnetic field within
a portion of said
electrolysis tank.
171. The water heater of claim 170, wherein said portion of said electrolysis
tank
includes a section of said first region of said electrolysis tank, said
section defined by said anodes of said
at least one pair of high voltage electrodes and said membrane.
172. The water heater of claim 170, wherein said portion of said electrolysis
tank
includes a section of said second region of said electrolysis tank, said
section defined by said cathodes of
said at least one pair of high voltage electrodes and said membrane.
173. The water heater of claim 170, wherein said portion of said electrolysis
tank
includes a first section of said first region of said electrolysis tank, said
first section defined by said
anodes of said at least one pair of high voltage electrodes and said membrane,
and wherein said portion
of said electrolysis tank includes a second section of said second region of
said electrolysis tank, said
second section defined by said cathodes of said at least one pair of high
voltage electrodes and said
membrane.
174. The water heater of claim 170, wherein said at least one permanent magnet
is
comprised of a first permanent magnet and a second permanent magnet, wherein
said first permanent
magnet generates a magnetic field within a first section of said first region
of said electrolysis tank, said
first section defined by said anodes of said at least one pair of high voltage
electrodes and said
membrane, and wherein said second permanent magnet generates a magnetic field
within a second
section of said second region of said electrolysis tank, said second section
defined by said cathodes of
said at least one pair of high voltage electrodes and said membrane.
175. A method of operating a water heater, the method comprising the steps of
initiating electrolysis in an electrolysis tank of an electrolytic heating
subsystem;
heating a heat transfer medium contained within a first portion of a conduit,
said first
portion of said conduit in thermal communication with said electrolytic
heating subsystem, wherein said
heat transfer medium heating step is performed by said electrolytic heating
subsystem; and
circulating said heat transfer medium through said conduit, wherein a second
portion of
said conduit is coupled to a heat exchanger within said water heater.
42

176. The method of claim 175, further comprising the steps of:
measuring a temperature associated with said heat transfer medium contained
within said
first portion of said conduit;
comparing said measured temperature with a preset temperature; and
initiating said circulating step when said measured temperature is above said
preset
temperature.
177. The method of claim 175, further comprising the steps of
periodically measuring a water temperature within said water heater;
comparing said measured water temperature with a preset temperature; and
modifying said electrolysis in said electrolytic heating subsystem when said
measured
water temperature is above said preset temperature.
178. The method of claim 175, further comprising the steps of:
periodically measuring a water temperature within said water heater;
comparing said measured water temperature with a first preset temperature; and
performing said electrolysis initiating step when said measured water
temperature is
below said first preset temperature.
179. The method of claim 178, further comprising the steps of:
comparing said measured water temperature with a second preset temperature;
and
suspending electrolysis in said electrolytic heating subsystem when said
measured water
temperature is above said second preset temperature.
180. The method of claim 178, further comprising the steps of:
comparing said measured water temperature with a second preset temperature;
and
suspending said circulating step when said measured water temperature is above
said
second preset temperature.
181. The method of claim 178, further comprising the steps of:
comparing said measured water temperature with a second preset temperature;
and
modifying said electrolysis in said electrolytic heating subsystem when said
measured
water temperature is above said second preset temperature.
43

182. The method of claim 175, said electrolysis initiating step further
comprising the
steps of:
applying a low voltage to at least one pair of low voltage electrodes
contained within
said electrolysis tank of said electrolytic heating subsystem, said low
voltage applying step further
comprising the step of pulsing said low voltage at a first frequency and with
a first pulse duration; and
applying a high voltage to at least one pair of high voltage electrodes
contained within
said electrolysis tank, said high voltage applying step further comprising the
step of pulsing said high
voltage at said first frequency and with said first pulse duration, wherein
said high voltage pulsing step is
performed simultaneously with said low voltage pulsing step, and wherein said
low voltage electrodes of
said at least one pair of low voltage electrodes are positioned between said
high voltage electrodes of
said at least one pair of high voltage electrodes.
183. The method of claim 182, further comprising the step of filling said
electrolysis
tank with a liquid, wherein said liquid includes at least one of water,
deuterated water, tritiated water,
semiheavy water, heavy oxygen water, water containing an isotope of hydrogen,
and water containing an
isotope of oxygen.
184. The method of claim 183, further comprising the steps of:
monitoring a liquid level within said electrolysis tank; and
adding more of said liquid to said electrolysis tank when said monitored
liquid level falls
below a preset value.
185. The method of claim 183, further comprising the step of adding an
electrolyte to
said liquid.
186. The method of claim 185, further comprising the step of selecting a
concentration of said electrolyte to be within a range of 0.05 to 10.0 percent
by weight.
187. The method of claim 185, further comprising the step of selecting a
concentration of said electrolyte to be within a range of 0.05 to 2.0 percent
by weight.
188. The method of claim 185, further comprising the step of selecting a
concentration of said electrolyte to be within a range of 0.1 to 0.5 percent
by weight.
189. The method of claim 183, further comprising the steps of:
44

monitoring pH of said liquid within said electrolysis tank; and
adding an electrolyte to said liquid when said monitored pH falls outside of a
preset
range.
190. The method of claim 183, further comprising the steps of
monitoring resistivity of said liquid within said electrolysis tank; and
adding an electrolyte to said liquid when said monitored resistivity falls
outside of a
preset range.
191. The method of claim 182, further comprising the steps of:
fabricating said at least one pair of low voltage electrodes from a first
material;
fabricating said at least one pair of high voltage electrodes from a second
material; and
selecting said first material and said second material from the group
consisting of
titanium, stainless steel, copper, iron, steel, cobalt, manganese, zinc,
nickel, platinum, palladium,
aluminum, lithium, magnesium, boron, carbon, graphite, carbon-graphite, and
metal hydrides and alloys
of titanium, stainless steel, copper, iron, steel, cobalt, manganese, zinc,
nickel, platinum, palladium,
aluminum, lithium, magnesium, boron, carbon, graphite, carbon-graphite, and
metal hydrides.
192. The method of claim 182, further comprising the steps of selecting said
high
voltage within the range of 50 volts to 50 kilovolts and selecting said low
voltage within the range of 3
volts to 1500 volts.
193. The method of claim 182, further comprising the steps of selecting said
high
voltage within the range of 100 volts to 5 kilovolts and selecting said low
voltage within the range of 12
volt to 750 volts.
194. The method of claim 182, further comprising the step of selecting said
high
voltage and said low voltage such that a ratio of said high voltage to said
low voltage is at least 5 to 1.
195. The method of claim 182, further comprising the step of selecting said
first
frequency to be within the range of 50 Hz to 1 MHz.
196. The method of claim 182, further comprising the step of selecting said
first
frequency to be within the range of 100 Hz to 10 kHz.
45

197. The method of claim 182, further comprising the step of selecting said
first pulse
duration to be between 0.01 and 75 percent of a time period defined by said
first frequency.
198. The method of claim 182, further comprising the step of selecting said
first pulse
duration to be between 0.1 and 50 percent of a time period defined by said
first frequency.
199. The method of claim 182, further comprising the step of generating a
magnetic
field within a portion of said electrolysis tank, wherein said magnetic field
affects a heating rate
corresponding to said heat transfer medium heating step.
200. The method of claim 199, said magnetic field generating step further
comprising
the step of positioning at least one electromagnetic coil adjacent to a first
region of said electrolysis tank,
wherein each pair of said at least one pair of low voltage electrodes includes
an anode and a cathode,
wherein each pair of said at least one pair of high voltage electrodes
includes an anode and a cathode,
and wherein said anodes of said at least one pair of low voltage electrodes
and said anodes of said at least
one pair of high voltage electrodes define said first region.
201. The method of claim 199, said magnetic field generating step further
comprising
the step of positioning at least one electromagnetic coil adjacent to a first
region of said electrolysis tank,
wherein each pair of said at least one pair of low voltage electrodes includes
an anode and a cathode,
wherein each pair of said at least one pair of high voltage electrodes
includes an anode and a cathode,
and wherein said cathodes of said at least one pair of low voltage electrodes
and said cathodes of said at
least one pair of high voltage electrodes define said first region.
202. The method of claim 199, said magnetic field generating step further
comprising
the steps of positioning at least a first electromagnetic coil adjacent to a
first region of said electrolysis
tank and positioning at least a second electromagnetic coil adjacent to a
second region of said electrolysis
tank, wherein each pair of said at least one pair of low voltage electrodes
includes an anode and a
cathode, wherein each pair of said at least one pair of high voltage
electrodes includes an anode and a
cathode, wherein said anodes of said at least one pair of low voltage
electrodes and said anodes of said at
least one pair of high voltage electrodes define said first region, and
wherein said cathodes of said at least
one pair of low voltage electrodes and said cathodes of said at least one pair
of high voltage electrodes
define said second region.
46

203. The method of claim 199, said magnetic field generating step further
comprising
the step of positioning at least one electromagnetic coil adjacent to a first
region and a second region of
said electrolysis tank, wherein each pair of said at least one pair of low
voltage electrodes includes an
anode and a cathode, wherein each pair of said at least one pair of high
voltage electrodes includes an
anode and a cathode, wherein said anodes of said at least one pair of low
voltage electrodes and said
anodes of said at least one pair of high voltage electrodes are contained
within said first region, and
wherein said cathodes of said at least one pair of low voltage electrodes and
said cathodes of said at least
one pair of high voltage electrodes are contained within said second region.
204. The method of claim 199, said magnetic field generating step further
comprising
the step of positioning at least one permanent magnet adjacent to a first
region of said electrolysis tank,
wherein each pair of said at least one pair of low voltage electrodes includes
an anode and a cathode,
wherein each pair of said at least one pair of high voltage electrodes
includes an anode and a cathode,
and wherein said anodes of said at least one pair of low voltage electrodes
and said anodes of said at least
one pair of high voltage electrodes define said first region.
205. The method of claim 199, said magnetic field generating step further
comprising
the step of positioning at least one permanent magnet adjacent to a first
region of said electrolysis tank,
wherein each pair of said at least one pair of low voltage electrodes includes
an anode and a cathode,
wherein each pair of said at least one pair of high voltage electrodes
includes an anode and a cathode,
and wherein said cathodes of said at least one pair of low voltage electrodes
and said cathodes of said at
least one pair of high voltage electrodes define said first region.
206. The method of claim 199, said magnetic field generating step further
comprising
the steps of positioning at least a first permanent magnet adjacent to a first
region of said electrolysis
tank and positioning at least a second permanent magnet adjacent to a second
region of said electrolysis
tank, wherein each pair of said at least one pair of low voltage electrodes
includes an anode and a
cathode, wherein each pair of said at least one pair of high voltage
electrodes includes an anode and a
cathode, wherein said anodes of said at least one pair of low voltage
electrodes and said anodes of said at
least one pair of high voltage electrodes define said first region, and
wherein said cathodes of said at least
one pair of low voltage electrodes and said cathodes of said at least one pair
of high voltage electrodes
define said second region.
47

207. The method of claim 199, said magnetic field generating step further
comprising
the step of positioning at least one permanent magnet adjacent to a first
region and a second region of
said electrolysis tank, wherein each pair of said at least one pair of low
voltage electrodes includes an
anode and a cathode, wherein each pair of said at least one pair of high
voltage electrodes includes an
anode and a cathode, wherein said anodes of said at least one pair of low
voltage electrodes and said
anodes of said at least one pair of high voltage electrodes are contained
within said first region, and
wherein said cathodes of said at least one pair of low voltage electrodes and
said cathodes of said at least
one pair of high voltage electrodes are contained within said second region.
208. The method of claim 199, further comprising the step of controlling an
intensity
corresponding to said magnetic field.
209. The method of claim 208, said intensity controlling step further
comprising the
step of controllably varying an output of a power supply coupled to at least
one electromagnetic coil,
wherein said at least one electromagnetic coil performs said magnetic field
generating step.
210. The method of claim 175, said electrolysis initiating step further
comprising the
steps of applying a high voltage to at least one pair of high voltage
electrodes contained within said
electrolysis tank, said high voltage applying step further comprising the step
of pulsing said high voltage
at a first frequency and with a first pulse duration, wherein each pair of
said at least one pair of high
voltage electrodes includes at least one high voltage cathode electrode and at
least one high voltage
anode electrode, wherein each high voltage cathode electrode is positioned
within a first region of said
electrolysis tank and each high voltage anode electrode is positioned within a
second region of said
electrolysis tank, wherein at least a first metal member of a plurality of
metal members is located within
said first region of said electrolysis tank between said high voltage cathode
electrodes and a membrane
located within said electrolysis tank, and wherein at least a second metal
member of said plurality of
metal members is located within said second region of said electrolysis tank
between said high voltage
anode electrodes and said membrane.
211. The method of claim 210, further comprising the step of filling said
electrolysis
tank with a liquid, wherein said liquid includes at least one of water,
deuterated water, tritiated water,
semiheavy water, heavy oxygen water, water containing an isotope of hydrogen,
and water containing an
isotope of oxygen.
212. The method of claim 211, further comprising the steps of:
48

monitoring a liquid level within said electrolysis tank; and
adding more of said liquid to said electrolysis tank when said monitored
liquid level falls
below a preset value.
213. The method of claim 211, further comprising the step of adding an
electrolyte to
said liquid.
214. The method of claim 213, further comprising the step of selecting a
concentration of said electrolyte to be within a range of 0.05 to 10.0 percent
by weight.
215. The method of claim 213, further comprising the step of selecting a
concentration of said electrolyte to be within a range of 0.05 to 2.0 percent
by weight.
216. The method of claim 213, further comprising the step of selecting a
concentration of said electrolyte to be within a range of 0.1 to 0.5 percent
by weight.
217. The method of claim 211, further comprising the steps of:
monitoring pH of said liquid within said electrolysis tank; and
adding an electrolyte to said liquid when said monitored pH falls outside of a
preset
range.
218. The method of claim 211, further comprising the steps of:
monitoring resistivity of said liquid within said electrolysis tank; and
adding an electrolyte to said liquid when said monitored resistivity falls
outside of a
preset range.
219. The method of claim 210, further comprising the steps of:
fabricating said at least one pair of high voltage electrodes from a first
material;
fabricating said plurality of metal members from a second material; and
selecting said first material and said second material from the group
consisting of
titanium, stainless steel, copper, iron, steel, cobalt, manganese, zinc,
nickel, platinum, palladium,
aluminum, lithium, magnesium, boron, carbon, graphite, carbon-graphite, and
metal hydrides and alloys
of titanium, stainless steel, copper, iron, steel, cobalt, manganese, zinc,
nickel, platinum, palladium,
aluminum, lithium, magnesium, boron, carbon, graphite, carbon-graphite, and
metal hydrides.
49

220. The method of claim 210, further comprising the step of selecting said
high
voltage within the range of 50 volts to 50 kilovolts.
221. The method of claim 210, further comprising the step of selecting said
high
voltage within the range of 100 volts to 5 kilovolts.
222. The method of claim 210, further comprising the step of selecting said
first
frequency to be within the range of 50 Hz to 1 MHz.
223. The method of claim 210, further comprising the step of selecting said
first
frequency to be within the range of 100 Hz to 10 kHz.
224. The method of claim 210, further comprising the step of selecting said
first pulse
duration to be between 0.01 and 75 percent of a time period defined by said
first frequency.
225. The method of claim 210, further comprising the step of selecting said
first pulse
duration to be between 0.1 and 50 percent of a time period defined by said
first frequency.
226. The method of claim 210, further comprising the step of generating a
magnetic
field within a portion of said electrolysis tank, wherein said magnetic field
affects a heating rate
corresponding to said heat transfer medium heating step.
227. The method of claim 226, said magnetic field generating step further
comprising
the step of positioning at least one electromagnetic coil adjacent to said
first region of said electrolysis
tank.
228. The method of claim 226, said magnetic field generating step further
comprising
the step of positioning at least one electromagnetic coil adjacent to said
second region of said electrolysis
tank.
229. The method of claim 226, said magnetic field generating step further
comprising
the steps of positioning at least a first electromagnetic coil adjacent to
said first region of said electrolysis
tank and positioning at least a second electromagnetic coil adjacent to said
second region of said
electrolysis tank.
50

230. The method of claim 226, said magnetic field generating step further
comprising
the step of positioning at least one electromagnetic coil adjacent to said
first region and said second
region of said electrolysis tank.
231. The method of claim 226, said magnetic field generating step further
comprising
the step of positioning at least one permanent magnet adjacent to said first
region of said electrolysis
tank.
232. The method of claim 226, said magnetic field generating step further
comprising
the step of positioning at least one permanent magnet adjacent to said second
region of said electrolysis
tank.
233. The method of claim 226, said magnetic field generating step further
comprising
the steps of positioning at least a first permanent magnet adjacent to said
first region of said electrolysis
tank and positioning at least a second permanent magnet adjacent to said
second region of said
electrolysis tank.
234. The method of claim 226, said magnetic field generating step further
comprising
the step of positioning at least one permanent magnet adjacent to said first
region and said second region
of said electrolysis tank.
235. The method of claim 226, further comprising the step of controlling an
intensity
corresponding to said magnetic field.
236. The method of claim 235, said controlling step further comprising the
step of
controllably varying an output of a power supply coupled to at least one
electromagnetic coil, wherein
said at least one electromagnetic coil performs said magnetic field generating
step.
237. A method of operating a water heater, the method comprising the steps of:
initiating electrolysis in an electrolysis tank of an electrolytic heating
subsystem;
heating a heat transfer medium contained within a first portion of a conduit,
said first
portion of said conduit in thermal communication with said electrolytic
heating subsystem, wherein said
heat transfer medium heating step is performed by said electrolytic heating
subsystem;
circulating said heat transfer medium between said first portion of said
conduit and a
heat exchanger; and
51

circulating water between a water tank of said water heater and said heat
exchanger.
238. The method of claim 237, further comprising the steps of:
measuring a temperature associated with said heat transfer medium contained
within said
first portion of said conduit;
comparing said measured temperature with a preset temperature; and
initiating said heat transfer medium circulating step when said measured
temperature is
above said preset temperature.
239. The method of claim 237, further comprising the steps of:
measuring a temperature corresponding to said heat transfer medium contained
within
said first portion of said conduit;
comparing said measured temperature with a first preset temperature;
initiating said heat transfer medium circulating step when said measured
temperature is
above said first preset temperature;
comparing said measured temperature with a second preset temperature; and
initiating said water circulating step when said measured temperature is above
said
second preset temperature.
240. The method of claim 239, wherein said first and second preset
temperatures are
the same.
241. The method of claim 237, further comprising the steps of:
periodically measuring a water temperature within said water heater;
comparing said measured water temperature with a preset temperature; and
modifying said electrolysis in said electrolytic heating subsystem when said
measured
water temperature is above said preset temperature.
242. The method of claim 237, further comprising the steps of:
periodically measuring a water temperature within said water heater;
comparing said measured water temperature with a first preset temperature; and
performing said electrolysis initiating step when said measured water
temperature is
below said first preset temperature.
243. The method of claim 242, further comprising the steps of:
comparing said measured water temperature with a second preset temperature;
and
52

suspending electrolysis in said electrolytic heating subsystem when said
measured water
temperature is above said second preset temperature.
244. The method of claim 242, further comprising the steps of:
comparing said measured water temperature with a second preset temperature;
and
suspending said heat transfer medium circulating step when said measured water
temperature is above said second preset temperature.
245. The method of claim 242, further comprising the steps of:
comparing said measured water temperature with a second preset temperature;
and
suspending said water circulating step when said measured water temperature is
above
said second preset temperature.
246. The method of claim 242, further comprising the steps of:
comparing said measured water temperature with a second preset temperature;
and
modifying said electrolysis in said electrolytic heating subsystem when said
measured
water temperature is above said second preset temperature.
247. The method of claim 237, said electrolysis initiating step further
comprising the
steps of:
applying a low voltage to at least one pair of low voltage electrodes
contained within
said electrolysis tank of said electrolytic heating subsystem, said low
voltage applying step further
comprising the step of pulsing said low voltage at a first frequency and with
a first pulse duration; and
applying a high voltage to at least one pair of high voltage electrodes
contained within
said electrolysis tank, said high voltage applying step further comprising the
step of pulsing said high
voltage at said first frequency and with said first pulse duration, wherein
said high voltage pulsing step is
performed simultaneously with said low voltage pulsing step, and wherein said
low voltage electrodes of
said at least one pair of low voltage electrodes are positioned between said
high voltage electrodes of
said at least one pair of high voltage electrodes.
248. The method of claim 247, further comprising the step of filling said
electrolysis
tank with a liquid, wherein said liquid includes at least one of water,
deuterated water, tritiated water,
semiheavy water, heavy oxygen water, water containing an isotope of hydrogen,
and water containing an
isotope of oxygen.
249. The method of claim 248, further comprising the steps of:
53

monitoring a liquid level within said electrolysis tank; and
adding more of said liquid to said electrolysis tank when said monitored
liquid level falls
below a preset value.
250. The method of claim 248, further comprising the step of adding an
electrolyte to
said liquid.
251. The method of claim 250, further comprising the step of selecting a
concentration of said electrolyte to be within a range of 0.05 to 10.0 percent
by weight.
252. The method of claim 250, further comprising the step of selecting a
concentration of said electrolyte to be within a range of 0.05 to 2.0 percent
by weight.
253. The method of claim 250, further comprising the step of selecting a
concentration of said electrolyte to be within a range of 0.1 to 0.5 percent
by weight.
254. The method of claim 248, further comprising the steps of:
monitoring pH of said liquid within said electrolysis tank; and
adding an electrolyte to said liquid when said monitored pH falls outside of a
preset
range.
255. The method of claim 248, further comprising the steps of:
monitoring resistivity of said liquid within said electrolysis tank; and
adding an electrolyte to said liquid when said monitored resistivity falls
outside of a
preset range.
256. The method of claim 247, further comprising the steps of:
fabricating said at least one pair of low voltage electrodes from a first
material;
fabricating said at least one pair of high voltage electrodes from a second
material; and
selecting said first material and said second material from the group
consisting of
titanium, stainless steel, copper, iron, steel, cobalt, manganese, zinc,
nickel, platinum, palladium,
aluminum, lithium, magnesium, boron, carbon, graphite, carbon-graphite, and
metal hydrides and alloys
of titanium, stainless steel, copper, iron, steel, cobalt, manganese, zinc,
nickel, platinum, palladium,
aluminum, lithium, magnesium, boron, carbon, graphite, carbon-graphite, and
metal hydrides.
54

257. The method of claim 247, further comprising the steps of selecting said
high
voltage within the range of 50 volts to 50 kilovolts and selecting said low
voltage within the range of 3
volts to 1500 volts.
258. The method of claim 247, further comprising the steps of selecting said
high
voltage within the range of 100 volts to 5 kilovolts and selecting said low
voltage within the range of 12
volt to 750 volts.
259. The method of claim 247, further comprising the step of selecting said
high
voltage and said low voltage such that a ratio of said high voltage to said
low voltage is at least 5 to 1.
260. The method of claim 247, further comprising the step of selecting said
first
frequency to be within the range of 50 Hz to 1 MHz.
261. The method of claim 247, further comprising the step of selecting said
first
frequency to be within the range of 100 Hz to 10 kHz.
262. The method of claim 247, further comprising the step of selecting said
first pulse
duration to be between 0.01 and 75 percent of a time period defined by said
first frequency.
263. The method of claim 247, further comprising the step of selecting said
first pulse
duration to be between 0.1 and 50 percent of a time period defined by said
first frequency.
264. The method of claim 247, further comprising the step of generating a
magnetic
field within a portion of said electrolysis tank, wherein said magnetic field
affects a heating rate
corresponding to said heat transfer medium heating step.
265. The method of claim 264, said magnetic field generating step further
comprising
the step of positioning at least one electromagnetic coil adjacent to a first
region of said electrolysis tank,
wherein each pair of said at least one pair of low voltage electrodes includes
an anode and a cathode,
wherein each pair of said at least one pair of high voltage electrodes
includes an anode and a cathode,
and wherein said anodes of said at least one pair of low voltage electrodes
and said anodes of said at least
one pair of high voltage electrodes define said first region.
266. The method of claim 264, said magnetic field generating step further
comprising
the step of positioning at least one electromagnetic coil adjacent to a first
region of said electrolysis tank,
55

wherein each pair of said at least one pair of low voltage electrodes includes
an anode and a cathode,
wherein each pair of said at least one pair of high voltage electrodes
includes an anode and a cathode,
and wherein said cathodes of said at least one pair of low voltage electrodes
and said cathodes of said at
least one pair of high voltage electrodes define said first region.
267. The method of claim 264, said magnetic field generating step further
comprising
the steps of positioning at least a first electromagnetic coil adjacent to a
first region of said electrolysis
tank and positioning at least a second electromagnetic coil adjacent to a
second region of said electrolysis
tank, wherein each pair of said at least one pair of low voltage electrodes
includes an anode and a
cathode, wherein each pair of said at least one pair of high voltage
electrodes includes an anode and a
cathode, wherein said anodes of said at least one pair of low voltage
electrodes and said anodes of said at
least one pair of high voltage electrodes define said first region, and
wherein said cathodes of said at least
one pair of low voltage electrodes and said cathodes of said at least one pair
of high voltage electrodes
define said second region.
268. The method of claim 264, said magnetic field generating step further
comprising
the step of positioning at least one electromagnetic coil adjacent to a first
region and a second region of
said electrolysis tank, wherein each pair of said at least one pair of low
voltage electrodes includes an
anode and a cathode, wherein each pair of said at least one pair of high
voltage electrodes includes an
anode and a cathode, wherein said anodes of said at least one pair of low
voltage electrodes and said
anodes of said at least one pair of high voltage electrodes are contained
within said first region, and
wherein said cathodes of said at least one pair of low voltage electrodes and
said cathodes of said at least
one pair of high voltage electrodes are contained within said second region.
269. The method of claim 264, said magnetic field generating step further
comprising
the step of positioning at least one permanent magnet adjacent to a first
region of said electrolysis tank,
wherein each pair of said at least one pair of low voltage electrodes includes
an anode and a cathode,
wherein each pair of said at least one pair of high voltage electrodes
includes an anode and a cathode,
and wherein said anodes of said at least one pair of low voltage electrodes
and said anodes of said at least
one pair of high voltage electrodes define said first region.
270. The method of claim 264, said magnetic field generating step further
comprising
the step of positioning at least one permanent magnet adjacent to a first
region of said electrolysis tank,
wherein each pair of said at least one pair of low voltage electrodes includes
an anode and a cathode,
wherein each pair of said at least one pair of high voltage electrodes
includes an anode and a cathode,
56

and wherein said cathodes of said at least one pair of low voltage electrodes
and said cathodes of said at
least one pair of high voltage electrodes define said first region.
271. The method of claim 264, said magnetic field generating step further
comprising
the steps of positioning at least a first permanent magnet adjacent to a first
region of said electrolysis
tank and positioning at least a second permanent magnet adjacent to a second
region of said electrolysis
tank, wherein each pair of said at least one pair of low voltage electrodes
includes an anode and a
cathode, wherein each pair of said at least one pair of high voltage
electrodes includes an anode and a
cathode, wherein said anodes of said at least one pair of low voltage
electrodes and said anodes of said at
least one pair of high voltage electrodes define said first region, and
wherein said cathodes of said at least
one pair of low voltage electrodes and said cathodes of said at least one pair
of high voltage electrodes
define said second region.
272. The method of claim 264, said magnetic field generating step further
comprising
the step of positioning at least one permanent magnet adjacent to a first
region and a second region of
said electrolysis tank, wherein each pair of said at least one pair of low
voltage electrodes includes an
anode and a cathode, wherein each pair of said at least one pair of high
voltage electrodes includes an
anode and a cathode, wherein said anodes of said at least one pair of low
voltage electrodes and said
anodes of said at least one pair of high voltage electrodes are contained
within said first region, and
wherein said cathodes of said at least one pair of low voltage electrodes and
said cathodes of said at least
one pair of high voltage electrodes are contained within said second region.
273. The method of claim 264, further comprising the step of controlling an
intensity
corresponding to said magnetic field.
274. The method of claim 273, said intensity controlling step further
comprising the
step of controllably varying an output of a power supply coupled to at least
one electromagnetic coil,
wherein said at least one electromagnetic coil performs said magnetic field
generating step.
275. The method of claim 237, said electrolysis initiating step further
comprising the
steps of applying a high voltage to at least one pair of high voltage
electrodes contained within said
electrolysis tank, said high voltage applying step further comprising the step
of pulsing said high voltage
at a first frequency and with a first pulse duration, wherein each pair of
said at least one pair of high
voltage electrodes includes at least one high voltage cathode electrode and at
least one high voltage
anode electrode, wherein each high voltage cathode electrode is positioned
within a first region of said
57

electrolysis tank and each high voltage anode electrode is positioned within a
second region of said
electrolysis tank, wherein at least a first metal member of a plurality of
metal members is located within
said first region of said electrolysis tank between said high voltage cathode
electrodes and a membrane
located within said electrolysis tank, and wherein at least a second metal
member of said plurality of
metal members is located within said second region of said electrolysis tank
between said high voltage
anode electrodes and said membrane.
276. The method of claim 275, further comprising the step of filling said
electrolysis
tank with a liquid, wherein said liquid includes at least one of water,
deuterated water, tritiated water,
semiheavy water, heavy oxygen water, water containing an isotope of hydrogen,
and water containing an
isotope of oxygen.
277. The method of claim 276, further comprising the steps of:
monitoring a liquid level within said electrolysis tank; and
adding more of said liquid to said electrolysis tank when said monitored
liquid level falls
below a preset value.
278. The method of claim 276, further comprising the step of adding an
electrolyte to
said liquid.
279. The method of claim 278, further comprising the step of selecting a
concentration of said electrolyte to be within a range of 0.05 to 10.0 percent
by weight.
280. The method of claim 278, further comprising the step of selecting a
concentration of said electrolyte to be within a range of 0.05 to 2.0 percent
by weight.
281. The method of claim 278, further comprising the step of selecting a
concentration of said electrolyte to be within a range of 0.1 to 0.5 percent
by weight.
282. The method of claim 276, further comprising the steps of:
monitoring pH of said liquid within said electrolysis tank; and
adding an electrolyte to said liquid when said monitored pH falls outside of a
preset
range.
283. The method of claim 276, further comprising the steps of:
monitoring resistivity of said liquid within said electrolysis tank; and
58

adding an electrolyte to said liquid when said monitored resistivity falls
outside of a
preset range.
284. The method of claim 275, further comprising the steps of:
fabricating said at least one pair of high voltage electrodes from a first
material;
fabricating said plurality of metal members from a second material; and
selecting said first material and said second material from the group
consisting of
titanium, stainless steel, copper, iron, steel, cobalt, manganese, zinc,
nickel, platinum, palladium,
aluminum, lithium, magnesium, boron, carbon, graphite, carbon-graphite, and
metal hydrides and alloys
of titanium, stainless steel, copper, iron, steel, cobalt, manganese, zinc,
nickel, platinum, palladium,
aluminum, lithium, magnesium, boron, carbon, graphite, carbon-graphite, and
metal hydrides.
285. The method of claim 275, further comprising the step of selecting said
high
voltage within the range of 50 volts to 50 kilovolts.
286. The method of claim 275, further comprising the step of selecting said
high
voltage within the range of 100 volts to 5 kilovolts.
287. The method of claim 275, further comprising the step of selecting said
first
frequency to be within the range of 50 Hz to 1 MHz.
288. The method of claim 275, further comprising the step of selecting said
first
frequency to be within the range of 100 Hz to 10 kHz.
289. The method of claim 275, further comprising the step of selecting said
first pulse
duration to be between 0.01 and 75 percent of a time period defined by said
first frequency.
290. The method of claim 275, further comprising the step of selecting said
first pulse
duration to be between 0.1 and 50 percent of a time period defined by said
first frequency.
291. The method of claim 275, further comprising the step of generating a
magnetic
field within a portion of said electrolysis tank, wherein said magnetic field
affects a heating rate
corresponding to said heat transfer medium heating step.
292. The method of claim 291, said magnetic field generating step further
comprising
the step of positioning at least one electromagnetic coil adjacent to said
first region of said electrolysis
tank.
59

293. The method of claim 291, said magnetic field generating step further
comprising
the step of positioning at least one electromagnetic coil adjacent to said
second region of said electrolysis
tank.
294. The method of claim 291, said magnetic field generating step further
comprising
the steps of positioning at least a first electromagnetic coil adjacent to
said first region of said electrolysis
tank and positioning at least a second electromagnetic coil adjacent to said
second region of said
electrolysis tank.
295. The method of claim 291, said magnetic field generating step further
comprising
the step of positioning at least one electromagnetic coil adjacent to said
first region and said second
region of said electrolysis tank.
296. The method of claim 291, said magnetic field generating step further
comprising
the step of positioning at least one permanent magnet adjacent to said first
region of said electrolysis
tank.
297. The method of claim 291, said magnetic field generating step further
comprising
the step of positioning at least one permanent magnet adjacent to said second
region of said electrolysis
tank.
298. The method of claim 291, said magnetic field generating step further
comprising
the steps of positioning at least a first permanent magnet adjacent to said
first region of said electrolysis
tank and positioning at least a second permanent magnet adjacent to said
second region of said
electrolysis tank.
299. The method of claim 291, said magnetic field generating step further
comprising
the step of positioning at least one permanent magnet adjacent to said first
region and said second region
of said electrolysis tank.
300. The method of claim 291, further comprising the step of controlling an
intensity
corresponding to said magnetic field.
301. The method of claim 300, said controlling step further comprising the
step of
controllably varying an output of a power supply coupled to at least one
electromagnetic coil, wherein
said at least one electromagnetic coil performs said magnetic field generating
step.
60

Description

Note: Descriptions are shown in the official language in which they were submitted.


CA 02613819 2007-12-07
Water Heater Utilizing Pulsed Electrolysis System
and Method of Using Same
FIELD OF THE INVENTION
The present invention relates generally to water heating systems.
BACKGROUND OF THE INVENTION
Water heaters, both storage water heaters and flow-through water heaters, are
known in
the art. In a conventional water heater, the water is heated by either an
electrical resistance heating
element or a gas flame, the selected approach typically based on the
availability and cost of electricity
and gas within the geographic region in which the water heater is to be used.
Regardless of whether the
water heater uses a gas flame or a resistive element as the heat source,
ultimately the energy required to
fuel the heater is typically a conventional fossil fuel since few regions in
the world rely on alternative
energy sources. As such, water heaters contribute to the world's dependence on
fossil fuels, an energy
source of finite size and limited regional availability. Dependence on fossil
fuels not only leads to
increased vulnerability to potential supply disruption, but also continued
global warming due to carbon
dioxide emissions.
Within recent years there has been considerable research in the area of
alternative fuels
that provide a`green' approach to the development of electricity. Clearly the
benefit of such an
approach, besides combating global warming and lessening the world's
dependence on fossil fuels, is
that the energy provided by the alternative source can then be used to power a
host of conventional
electrically powered devices without requiring any device modification.
Unfortunately, until such an
alternative source is accepted and tied in to the existing power grid, there
is little for the end consumer to
do to lessen their contribution to the world's dependence on fossil fuels
other than to simply lessen their
overall power consumption. To date, such an approach has had limited success
with most people
refusing to limit their power consumption.
Accordingly, what is needed is a means of helping end users to lower their
power
consumption without requiring actual sacrifice. The present invention, by
providing a high efficiency
water heater utilizing an alternative heat source, accomplishes these
objectives.
SUMMARY OF THE INVENTION
The present invention provides a water heater and a method of operating the
same. The
water heater is comprised of two primary subsystems; a water heating subsystem
and an electrolytic
1

CA 02613819 2007-12-07
heating subsystem. The electrolytic heating subsystem is a pulsed electrolysis
system that, during
operation, heats a heat transfer medium contained within a conduit. The
conduit is coupled to a heat
exchanger associated with the water storage tank of the water heating
subsystem. The heated heat
transfer medium is pumped through the heat exchanger, thereby heating water
contained within the water
storage tank.
In one embodiment of the invention, the water heater is comprised of an
electrolytic
heating subsystem and a water heating subsystem, wherein the electrolytic
heating subsystem is
comprised of an electrolysis tank, a membrane separating the electrolysis tank
into two regions, at least
one pair of low voltage electrodes, at least one pair of high voltage
electrodes, a low voltage source, a
high voltage source, and means for simultaneously pulsing both the low voltage
source and the high
voltage source, and wherein the water heating subsystem is comprised of a
water storage tank, a heat
exchanger, a water inlet and a water outlet, and wherein the water heater is
further comprised of a
conduit and a pump, the conduit including a first portion in thermal
communication with the electrolytic
heating subsystem and a second portion coupled to the heat exchanger. The heat
exchanger can either be
mounted within the water storage tank, or externally mounted and coupled to
the water storage tank via a
separate conduit. The water heater can also include a system controller that
can be coupled to one or
more temperature monitors, the low and high voltage sources, the pulse
generator, the circulation pump,
a flow valve(s) and/or a water level monitor(s). The system can further be
comprised of at least one
electromagnetic coil capable of generating a magnetic field within a portion
of the electrolysis tank. The
system can further be comprised of at least one permanent magnet capable of
generating a magnetic field
within a portion of the electrolysis tank.
In another embodiment of the invention, the water heater is comprised of an
electrolytic
heating subsystem and a water heating subsystem, wherein the electrolytic
heating subsystem is
comprised of an electrolysis tank, a membrane separating the electrolysis tank
into two regions, at least
one pair of high voltage electrodes, a plurality of metal members contained
within the electrolysis tank
and interposed between the high voltage electrodes and the membrane, a high
voltage source, and means
for pulsing the high voltage source, and wherein the water heating subsystem
is comprised of a water
storage tank, a heat exchanger, a water inlet and a water outlet, and wherein
the water heater is further
comprised of a conduit and a pump, the conduit including a first portion in
thermal communication with
the electrolytic heating subsystem and a second portion coupled to the heat
exchanger. The heat
exchanger can either be mounted within the water storage tank, or extemally
mounted and coupled to the
water storage tank via a separate conduit. The water heater can also include a
system controller that can
be coupled to one or more temperature monitors, the high voltage source, the
pulse generator, the
2

CA 02613819 2007-12-07
circulation pump, a flow valve(s) and/or a water level monitor(s). The system
can further be comprised
of at least one electromagnetic coil capable of generating a magnetic field
within a portion of the
electrolysis tank. The system can further be comprised of at least one
permanent magnet capable of
generating a magnetic field within a portion of the electrolysis tank.
In another aspect of the invention, a method of operating a water heater is
provided, the
method comprised of the steps of initiating electrolysis in an electrolytic
heating subsystem, heating a
heat transfer medium contained in a conduit with the electrolytic heating
subsystem, and circulating the
heat transfer medium through the conduit, wherein the conduit is coupled to a
heat exchanger contained
within the water heater. In at least one embodiment, the method further
comprises the steps of
measuring a temperature corresponding to the heat transfer medium and
comparing that temperature with
a preset temperature, wherein the heat transfer medium circulating step is
initiated after the measured
temperature is above the preset temperature. In at least one embodiment, the
method further comprises
the steps of periodically measuring the temperature of the water within the
water heater, wherein the
electrolysis initiating step is performed when the measured temperature falls
below a preset temperature.
In at least one embodiment, the method further comprises the steps of
periodically measuring the
temperature of the water within the water heater, comparing the water
temperature to a preset
temperature, and suspending the electrolysis step, or the electrolysis and
circulating steps, when the
measured water temperature is above the preset temperature. In at least one
embodiment, the method
further comprises the steps of periodically measuring the temperature of the
water within the water
heater, comparing the water temperature to a preset temperature, and modifying
the electrolysis process
when the water temperature is above the preset temperature. In at least one
embodiment, the step of
initiating electrolysis in the electrolytic heating subsystem may further
comprise the steps of applying a
low voltage to at least one pair of low voltage electrodes contained within
the electrolysis tank of the
electrolytic heating subsystem and applying a high voltage to at least one
pair of high voltage electrodes
contained within the electrolysis tank, wherein the low voltage and the high
voltage are simultaneously
pulsed. In at least one embodiment, the step of initiating electrolysis in the
electrolytic heating
subsystem may further comprise the steps of applying a high voltage to at
least one pair of high voltage
electrodes contained within the electrolysis tank, the high voltage applying
step further comprising the
step of pulsing said high voltage, wherein at least one metal member is
positioned between the high
voltage anode(s) and the tank membrane and at least one other metal member is
positioned between the
high voltage cathode(s) and the tank membrane. In at least one embodiment, the
method further
comprises the step of generating a magnetic field within a portion of the
electrolysis tank, wherein the
magnetic field affects a heating rate corresponding to the heat transfer
medium heating step.
3

CA 02613819 2007-12-07
In another aspect of the invention, a method of operating a water heater is
provided, the
method comprised of the steps of initiating electrolysis in an electrolytic
heating subsystem, heating a
heat transfer medium contained in a conduit with the electrolytic heating
subsystem, circulating the heat
transfer medium through the conduit, wherein the conduit is coupled to a heat
exchanger, and circulating
water between the water heater and the heat exchanger. In at least one
embodiment the method further
comprises the steps of measuring a temperature corresponding to the heat
transfer medium and
comparing that temperature with a preset temperature, wherein the heat
transfer medium circulating step
is initiated after the measured temperature is above the preset temperature.
In at least one embodiment
the method further comprises the steps of periodically measuring the
temperature of the water within the
water heater, wherein the electrolysis initiating step is performed when the
measured temperature falls
below a preset temperature. In at least one embodiment the method further
comprises the steps of
periodically measuring the temperature of the water within the water heater,
comparing the water
temperature to a preset temperature, and suspending the electrolysis step, or
the electrolysis and
circulating steps, when the measured water temperature is above the preset
temperature. In at least one
embodiment the method further comprises the steps of periodically measuring
the temperature of the
water within the water heater, comparing the water temperature to a preset
temperature, and modifying
the electrolysis process when the water temperature is above the preset
temperature. In at least one
embodiment, the step of initiating electrolysis in the electrolytic heating
subsystem may further comprise
the steps of applying a low voltage to at least one pair of low voltage
electrodes contained within the
electrolysis tank of the electrolytic heating subsystem and applying a high
voltage to at least one pair of
high voltage electrodes contained within the electrolysis tank, wherein the
low voltage and the high
voltage are simultaneously pulsed. In at least one embodiment, the step of
initiating electrolysis in the
electrolytic heating subsystem may further comprise the steps of applying a
high voltage to at least one
pair of high voltage electrodes contained within the electrolysis tank, the
high voltage applying step
further comprising the step of pulsing said high voltage, wherein at least one
metal member is positioned
between the high voltage anode(s) and the tank membrane and at least one other
metal member is
positioned between the high voltage cathode(s) and the tank membrane. In at
least one embodiment, the
method further comprises the step of generating a magnetic field within a
portion of the electrolysis tank,
wherein the magnetic field affects a heating rate corresponding to the heat
transfer medium heating step.
A further understanding of the nature and advantages of the present invention
may be
realized by reference to the remaining portions of the specification and the
drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. I is an illustration of an exemplary embodiment of the invention;
4

CA 02613819 2007-12-07
Fig. 2 is an illustration of an alternate exemplary embodiment utilizing an
external heat
exchanger;
Fig. 3 is a detailed view of an exemplary embodiment of the electrolytic
heating
subsystem;
Fig. 4 is a detailed view of an alternate embodiment of the electrolytic
heating
subsystem;
Fig. 5 is a detailed view of an alternate embodiment of the electrolytic
heating subsystem
utilizing an electromagnetic rate controller;
Fig. 6 is a detailed view of an alternate embodiment of the electrolytic
heating subsystem
utilizing an electromagnetic rate controller and an electrode configuration as
shown in Fig. 4;
Fig. 7 is a detailed view of an alternate embodiment of the electrolytic
heating subsystem
shown in Fig. 5 utilizing a permanent magnet rate controller;
Fig. 8 is a detailed view of an alternate embodiment of the electrolytic
heating subsystem
shown in Fig. 6 utilizing a permanent magnet rate controller;
Fig. 9 illustrates one method of system operation;
Fig. 10 illustrates one method of system operation;
Fig. 11 illustrates an alternate method of system operation;
Fig. 12 illustrates an alternate method of system operation; and
Fig. 13 illustrates an alternate method of system operation.
DESCRIPTION OF THE SPECIFIC EMBODIMENTS
Fig. 1 is an illustration of an exemplary system 100 in accordance with the
invention.
System 100 is comprised of two primary subsystems; water heating subsystem 101
and electrolytic
heating subsystem 103. As will be described in detail, there are numerous
configurations of electrolytic
heating subsystem 103 applicable to the invention.
As will be described further, electrolytic heating subsystem 103 is a pulsed
electrolysis
system that includes a conduit 105. Conduit 105 can be contained within
electrolysis tank 106 as shown
in Fig. 1, or mounted around the electrolysis tank, or integrated within the
walls of the electrolysis tank.
The primary considerations for the location of conduit 105 are (i) the
efficiency of the thermal
communication between the electrolytic heating subsystem and the conduit/heat
transfer medium and (ii)
minimization of conduit erosion. As most materials used for the electrolysis
tank are poor thermal
conductors, typically conduit 105 is either contained within the tank or
integrated within the tank walls.
Flowing within conduits 105 is a heat transfer medium. In one embodiment the
heat transfer medium is
water. In an alternate embodiment, the heat transfer medium is one with a high
vapor pressure. During
5

CA 02613819 2007-12-07
electrolysis, considerable heat is generated, thereby heating the heat
transfer medium within conduit 105.
One or more pumps 107 pump the heat transfer medium within conduit 105 through
a heat exchanger
which, in turn, heats the water within water storage tank 111 through a simple
heat exchange process. In
the embodiment illustrated in Fig. 1, the heat exchanger is contained within
water storage tank 111 and is
represented by coils 109.
In general, water storage tank 111 utilizes a conventional design. More
particularly,
tank 111 includes wall insulation to minimize heat loss and maximize system
efficiency. Additionally,
tank 111 includes an inlet line 113 for adding non-heated water to the tank,
preferably to the bottom of
the tank. Tank 111 also includes an outlet line 115 for withdrawing hot water
from the tank, preferably
from the top of the tank. In general, water heating subsystem 101 is coupled
to either a residential or
commercial water system in the same way as a conventional water heater. It
will be appreciated that
water heating subsystem 101 and electrolytic heating subsystem 103 can be
appropriately sized for the
intended application, ranging from small systems, for example for use in an
apartment or other small
area, to large systems, for example for use in a commercial setting.
In use, a temperature monitor 117 (e.g., a thermocouple) contained within tank
111
monitors the water temperature (either absolute temperature or relative
temperature) of the tank water
and provides this information to a system controller 119. System controller
119 compares the water
temperature provided by temperature monitor 117 to a preset temperature, i.e.,
a temperature preset by
the user, installer or manufacturer. Preferably system controller 119 includes
an integrated thermostat
121, thermostat 121 either providing absolute temperature control (e.g., 30
C, 40 C, 50 C, etc.) or
relative temperature control (e.g., warm, warmer, hot, hotter, etc.).
In one embodiment of the invention, when the water temperature within tank 111
falls
below the preset temperature, system controller 119 initiates electrolysis
within electrolytic heating
subsystem 103 and begins circulating fluid through conduit 105 and heat
exchanger 109 using pump 107.
Although electrolysis and pumping can occur simultaneously, preferably before
pumping is initiated
subsystem 103 is allowed to operate for a preset period of time, or until a
preset temperature
corresponding to subsystem 103 is reached, thus increasing system efficiency
by preventing the system
from circulating fluid that has not been heated or has undergone very little
heating. Accordingly, in a
preferred embodiment of the invention, system controller 119 also monitors the
temperature throughout
the system, for example using a temperature monitor 123 within the
electrolysis tank andlor a
temperature monitor 125 coupled to, or within, conduit 105.
In an alternate embodiment of the invention which is especially useful for
larger
applications of the invention such as commercial water heating systems where
system demand is high,
6

CA 02613819 2007-12-07
pump 107 is a circulation pump which is in continual operation. In this
embodiment, subsystem 103 is
either in continual operation or it is cycled on and off by controller 119.
Preferably in this embodiment
either the strength of the reaction within subsystem 103 or the cycle times of
subsystem 103 are
controlled by system controller 119 in order to achieve the desired
temperature within tank 111. In order
to provide the desired level of system control, preferably this embodiment
also includes one or more
additional system temperature monitors, for example monitors 123 and 125.
The heat exchanger associated with water heating subsystem 101 does not have
to be
mounted within water storage tank 111 as shown in Fig. 1. For example, in the
alternate configuration
illustrated in Fig. 2, an external heat exchanger 201 is coupled to water
storage tank 111 via conduits
203. As in the previous embodiment, heat transfer medium contained in conduits
105 and heated by the
electrolytic heating subsystem 103 is circulated through conduits 105 and the
heat exchanger, however,
in this embodiment the heat exchanger is external to the water storage tank
and the heat transfer medium
is circulated through conduits 105 and heat exchanger 201 with pump 205. In
order to heat the water
within storage tank 111, a second pump 207 circulates water via conduit 203
from tank 111 through heat
exchanger 201 and then back into tank 111.
An advantage of the embodiment shown in Fig. 2 is that it provides an
additional level of
system control since pumping the heat transfer medium through the heat
exchanger does not necessarily
heat the water within the water storage tank. Thus the heat transfer medium
can be circulated through
heat exchanger 201, for example on a continuous basis, while the water within
storage tank 111 is only
heated when water is circulated through conduits 203 and heat exchanger 201
with pump 207.
Preferably pumps 205 and 207 are independently controlled by system controller
119 as illustrated.
Particulars of the electrolytic heating subsystem will now be discussed in
further detail
which are applicable to either heat exchanger configuration (i.e., either
using an internal heat exchanger
109 or an external heat exchanger 201). Fig. 3 is an illustration of a
preferred embodiment of an
electrolytic heating subsystem 300. Note that in Figs. 3-8 only a portion of
conduit 105 is shown
(conduit 519 in Figs. 5-8), thus allowing a better view of the underlying
electrolytic subsystem.
Additionally, for illustration clarity, the portions of conduit 105 (or
conduit 519) that are included are
shown mounted to the exterior surface of the electrolysis tank even though as
previously noted, conduit
105 is typically integrated within the tank walls or mounted within the tank,
thereby improving on the
transfer of heat from the electrolytic subsystem to the heat transfer medium
contained within conduit
105.
Tank 301 is comprised of a non-conductive material. The size of tank 301 is
primarily
selected on the basis of desired system output. Although tank 301 is shown as
having a rectangular
7

CA 02613819 2007-12-07
a
shape, it will be appreciated that the invention is not so limited and that
tank 301 can utilize other shapes,
for example cylindrical, square, irregularly-shaped, etc. Tank 301 is
substantially filled with liquid 303.
In at least one preferred embodiment, liquid 303 is comprised of water, or
more preferably water with an
electrolyte, the electrolyte being an acid electrolyte, a base electrolyte, or
a combination of an acid
electrolyte and a base electrolyte. Exemplary electrolytes include potassium
hydroxide and sodium
hydroxide. The term "water" as used herein refers to water (H20), deuterated
water (deuterium oxide or
D20), tritiated water (tritium oxide or T20), semiheavy water (HDO), heavy
oxygen water (HZ18O or
H2 170) or any other water containing an isotope of either hydrogen or oxygen,
either singly or in any
combination thereof (for example, a combination of H20 and D20).
A typical electrolysis system used to decompose water into hydrogen and oxygen
gases
utilizes relatively high concentrations of electrolyte. Subsystem 103,
however, has been found to work
best with relatively low electrolyte concentrations, thereby maintaining a
relatively high initial water
resistivity. Preferably the water resistivity prior to the addition of an
electrolyte is on the order of 1 to 28
megoluns. Preferably the concentration of electrolyte is in the range of 0.05
percent to 10 percent by
weight, more preferably the concentration of electrolyte is in the range of
0.05 percent to 2.0 percent by
weight, and still more preferably the concentration of electrolyte is in the
range of 0.1 percent to 0.5
percent by weight.
Separating tank 301 into two regions is a membrane 305. Membrane 305 permits
ion/electron exchange between the two regions of tank 301. Assuming medium 303
is water, as
preferred, small amounts of hydrogen and oxygen are produced during operation.
Accordingly
membrane 305 also keeps the oxygen and hydrogen bubbles produced during
electrolysis separate, thus
minimizing the risk of inadvertent recombination of the two gases. Exemplary
materials for membrane
305 include, but are not limited to, polypropylene, tetrafluoroethylene,
asbestos, etc. Preferably tank 301
also includes a pair of gas outlets 307 and 309, corresponding to the two
regions of tank 301. The
volume of gases produced by the process can either be released, through
outlets 307 and 309, into the
atmosphere in a controlled manner or they can be collected and used for other
purposes.
As the electrolytic heating subsystem is designed to reach relatively high
temperatures,
the materials comprising tank 301, membrane 305 and other subsystem components
are selected on the
basis of their ability to withstand the expected temperatures. For example, in
at least one embodiment
the subsystem is designed to operate at a temperature of approximately 90 C
at standard pressure. In an
alternate exemplary embodiment, the system is designed to operate at elevated
temperatures (e.g., 100 C
to 150 C) and at sufficient pressure to prevent boiling of liquid 303. In yet
another alternate exemplary
embodiment, the system is designed to operate at even higher temperatures
(e.g., 200 C to 350 C) and
8

CA 02613819 2007-12-07
higher pressures (e.g., sufficient to prevent boiling). Accordingly, it will
be understood that the choice of
materials for the subsystem components and the design of the subsystem (e.g.,
tank wall thicknesses,
fittings, etc.) will vary, depending upon the intended subsystem operational
parameters, primarily
temperature and pressure.
Replenishment of medium 303 can be through one or more dedicated lines, for
example
conduits 311 and 313 coupled to the two regions of tank 301. Although medium
replenishment can be
performed manually, preferably replenishment is performed automatically, for
example using system
controller 119 and flow valves 315 and 317 within lines 311 and 313,
respectively. Replenishment can
be performed periodically or continually at a very low flow rate. If periodic
replenishment is used, it can
either be based on the period of system operation, for example replenishing
the system with a
predetermined volume of medium after a preset number of hours of operation, or
based on the volume of
medium within tank 301, the volume being provided to controller 119 using a
level monitor 319 within
the tank or other means. In at least one preferred embodiment system
controller 119 is also coupled to a
monitor 320, monitor 320 providing either the pH or the resistivity of liquid
303 within the electrolysis
tank, thereby providing means for determining when additional electrolyte
needs to be added.
In at least one embodiment of the electrolytic heating subsystem, two types of
electrodes
are used, each type of electrode being comprised of one or more electrode
pairs with each electrode pair
including at least one cathode (i.e., a cathode coupled electrode) and at
least one anode (i.e., an anode
coupled electrode). All cathodes, regardless of the type, are kept in one
region of tank 301 while all
anodes, regardless of the type, are kept in the other tank region, the two
tank regions separated by
membrane 305. In the embodiment illustrated in Fig. 3, each type of electrode
includes a single pair of
electrodes.
The first pair of electrodes, electrodes 321/323, are coupled to a low voltage
source 325.
The second set of electrodes, electrodes 327/329, are coupled to a high
voltage source 331. In the
illustrations and as used herein, voltage source 325 is labeled as a`low'
voltage source not because of the
absolute voltage produced by the source, but because the output of voltage
source 325 is maintained at a
lower output voltage than the output of voltage source 331. Preferably and as
shown, the individual
electrodes of each pair of electrodes are parallel to one another; i.e., the
face of electrode 321 is parallel
to the face of electrode 323 and the face of electrode 327 is parallel to the
face of electrode 329. It
should be appreciated, however, that such an electrode orientation is not
required.
In one preferred embodiment, electrodes 321/323 and electrodes 327/329 are
comprised
of titanium. In another preferred embodiment, electrodes 321/323 and
electrodes 327/329 are comprised
of stainless steel. It should be appreciated, however, that other materials
can be used and that the same
9

CA 02613819 2007-12-07
material does not have to be used for both the low and high voltage
electrodes. Additionally, the same
material does not have to be used for both the anode(s) and the cathode(s) of
the low voltage electrodes,
nor does the same material have to be used for both the anode(s) and the
cathode(s) of the high voltage
electrodes. In addition to titanium and stainless steel, other exemplary
materials that can be used for the
low voltage and high voltage electrodes include, but are not limited to,
copper, iron, steel, cobalt,
manganese, zinc, nickel, platinum, palladium, aluminum, lithium, magnesium,
boron, carbon, graphite,
carbon-graphite, metal hydrides and alloys of these materials. Preferably the
surface area of the faces of
the low voltage electrodes (e.g., electrode 321 and electrode 323) cover a
large percentage of the cross-
sectional area of tank 301, typically on the order of at least 40 percent of
the cross-sectional area of tank
301, and more typically between approximately 70 percent and 90 percent of the
cross-sectional area of
tank 301. Preferably the separation between the low voltage electrodes (e.g.,
electrodes 321 and 323) is
between 0.1 millimeters and 15 centimeters. In at least one embodiment the
separation between the low
voltage electrodes is between 0.1 millimeters and 1 millimeter. In at least
one other embodiment the
separation between the low voltage electrodes is between 1 millimeter and 5
millimeters. In at least one
other embodiment the separation between the low voltage electrodes is between
5 millimeters and 2
centimeters. In at least one other embodiment the separation between the low
voltage electrodes is
between 5 centimeters and 8 centimeters. In at least one other embodiment the
separation between the
low voltage electrodes is between 10 centimeters and 12 centimeters.
Electrodes 327/329 are positioned outside of the planes containing electrodes
321/323.
In other words, the separation distance between electrodes 327 and 329 is
greater than the separation
distance between electrodes 321 and 323 and both low voltage electrodes are
positioned between the
planes containing the high voltage electrodes. The high voltage electrodes may
be larger, smaller or the
same size as the low voltage electrodes.
As previously noted, the voltage applied to the high voltage electrodes is
greater than
that applied to the low voltage electrodes. Preferably the ratio of the high
voltage to the low voltage
applied to the high voltage and low voltage electrodes, respectively, is at
least 5:1, more preferably the
ratio is between 5:1 and 100:1, still more preferably the ratio is between 5:1
and 33:1, and even still more
preferably the ratio is between 5:1 and 20:1. Preferably the high voltage
generated by source 331 is
within the range of 50 volts to 50 kilovolts, more preferably within the range
of 100 volts to 5 kilovolts,
and still more preferably within the range of 500 volts to 2.5 kilovolts.
Preferably the low voltage
generated by source 325 is within the range of 3 volts to 1500 volts, more
preferably within the range of
12 volts to 750 volts, still more preferably within the range of 24 volts to
500 volts, and yet still more
preferably within the range of 48 volts to 250 volts.

CA 02613819 2007-12-07
Rather than continually apply voltage to the electrodes, sources 325 and 331
are pulsed,
preferably at a frequency of between 50 Hz and 1 MHz, more preferably at a
frequency of between 100
Hz and 10 kHz, and still more preferably at a frequency of between 150 Hz and
7 kHz. The pulse width
(i.e., pulse duration) is preferably between 0.01 and 75 percent of the time
period defined by the
frequency, and more preferably between 0.1 and 50 percent of the time period
defined by the frequency,
and still more preferably between 0.1 and 25 percent of the time period
defined by the frequency. Thus,
for example, for a frequency of 150 Hz, the pulse duration is preferably in
the range of 0.67
microseconds to 5 milliseconds, more preferably in the range of 6.67
microseconds to 3.3 milliseconds,
and still more preferably in the range of 6.67 microseconds to 1.7
milliseconds. Alternately, for
example, for a frequency of 1 kHz, the pulse duration is preferably in the
range of 0.1 microseconds to
0.75 milliseconds, more preferably in the range of 1 microsecond to 0.5
milliseconds, and still more
preferably in the range of I microsecond to 0.25 milliseconds. Additionally,
the voltage pulses are
applied simultaneously to the high voltage and low voltage electrodes via
sources 331 and 325,
respectively. In other words, the voltage pulses applied to high voltage
electrodes 327/329 coincide with
the pulses applied to low voltage electrodes 321/323. Although voltage sources
325 and 331 can include
internal means for pulsing the respective outputs from each source, preferably
an external pulse generator
333 controls a pair of switches, i.e., low voltage switch 335 and high voltage
switch 337 which, in turn,
control the output of voltage sources 325 and 331 as shown, and as described
above.
In at least one preferred embodiment, the frequency and/or pulse duration
and/or low
voltage and/or high voltage can be changed by system controller 119 during
system operation, thus
allowing the output and the output heat production efficiency of the
electrolytic heating subsystem to be
periodically or continually altered (e.g., optimized).
As will be appreciated by those of skill in the art, there are numerous minor
variations of
the electrolytic heating subsystem described above and shown in Fig. 3 that
can be used with the
invention. For example, and as previously noted, alternate configurations can
utilize tanks of different
size and/or shape, different electrolytic solutions, and a variety of
different electrode configurations and
materials. Exemplary alternate electrode configurations include, but are not
limited to, multiple low
voltage cathodes, multiple low voltage anodes, multiple high voltage cathodes,
multiple high voltage
anodes, multiple low voltage electrode pairs combined with multiple high
voltage electrode pairs,
electrodes of varying size or shape (e.g., cylindrical, curved, etc.), and
electrode pairs of varying
orientation (e.g., non-parallel faces, pairs in which individual electrodes
are not positioned directly across
from one another, etc.). Additionally, alternate configurations can utilize a
variety of input powers, pulse
frequencies and pulse durations as previously noted.
11

CA 02613819 2007-12-07
In an exemplary embodiment of the electrolytic heating subsystem, a
cylindrical
chamber measuring 125 centimeters long with an inside diameter of 44
centimeters and an outside
diameter of 50 centimeters was used. The tank contained 175 liters of water,
the water including a
potassium hydroxide (KOH) electrolyte at a concentration of 0.1 % by weight.
The low voltage
electrodes were 75 centimeters by 30 centimeters by 0.5 centimeters and had a
separation distance of
approximately 10 centimeters. The high voltage electrodes were 3 centimeters
by 2.5 centimeters by 0.5
centimeters and had a separation distance of approximately 32 centimeters.
Both sets of electrodes were
comprised of titanium. The pulse frequency was maintained at 150 Hz and the
pulse duration was
initially set to 260 microseconds and gradually lowered to 180 microseconds
during the course of a 4
hour run. The low voltage supply was set to 50 volts, drawing a current of
between 5.5 and 7.65 amps,
and the high voltage supply was set to 910 volts, drawing a current of between
2.15 and 2.48 amps. The
initial temperature was 28 C and monitored continuously with a pair of
thermocouples, one in each side
of the tank. After conclusion of the 4 hour run, the temperature of the tank
fluid had increased to 67 C.
Illustrating the correlation between electrode size and heat production
efficiency, the
high voltage electrodes of the previous test were replaced with larger
electrodes, the larger electrodes
measuring 9.5 centimeters by 5 centimeters by 0.5 centimeters, thus providing
approximately 6.3 times
the surface area of the previous high voltage electrodes. The larger
electrodes, still operating at a voltage
of 910 volts, drew a current of between 1.73 and 1.9 amps. The low voltage
supply was again set at 50
volts, in this run the low voltage electrodes drawing between 0.6 and 1.25
amps. Although the pulse
frequency was still maintained at 150 Hz, the pulse duration was lowered from
an initial setting of 60
microseconds to 15 microseconds. All other operating parameters were the same
as in the previous test.
In this test, during the course of a 5 hour run, the temperature of the tank
fluid increased from 28 C to
69 C. Given the shorter pulses and the lower current, this test with the
larger high voltage electrodes
exhibited a heat production efficiency approximately 8 times that exhibited in
the previous test.
Fig. 4 is an illustration of a second exemplary embodiment of the electrolytic
heating
subsystem, this embodiment using a single type of electrodes. Subsystem 400 is
basically the same as
the subsystem shown in Fig. 3 with the exception that low voltage electrodes
321/323 have been replaced
with a pair of metal members 401/403; metal member 401 interposed between high
voltage electrode 327
and membrane 305 and metal member 403 interposed between high voltage
electrode 329 and membrane
305. The materials comprising metal members 401/403 are the same as those of
the low voltage
electrodes. Preferably the surface area of the faces of members 401 and 403 is
a large percentage of the
cross-sectional area of tank 301, typically on the order of at least 40
percent, and often between
approximately 70 percent and 90 percent of the cross-sectional area of tank
201. Preferably the
12

CA 02613819 2007-12-07
separation between members 401 and 403 is between 0.1 millimeters and 15
centimeters. In at least one
embodiment the separation between the metal members is between 0.1 millimeters
and 1 millimeter. In
at least one other embodiment the separation between the metal members is
between 1 millimeter and 5
millimeters. In at least one other embodiment the separation between the metal
members is between 5
millimeters and 2 centimeters. In at least one other embodiment the separation
between the metal
members is between 5 centimeters and 8 centimeters. In at least one other
embodiment the separation
between the metal members is between 10 centimeters and 12 centimeters. The
preferred ranges for the
size of the high voltage electrodes as well as the high voltage power, pulse
frequency and pulse duration
are the same as in the exemplary subsystem shown in Fig. 3 and described
above.
In a test of the exemplary embodiment of the electrolytic heating subsystem
using metal
members in place of low voltage electrodes, the same cylindrical chamber and
electrolyte-containing
water was used as in the previous test. The metal members were 75 centimeters
by 30 centimeters by 0.5
centimeters and had a separation distance of approximately 10 centimeters. The
high voltage electrodes
were 3 centimeters by 2.5 centimeters by 0.5 centimeters and had a separation
distance of approximately
32 centimeters. The high voltage electrodes and the metal members were
fabricated from stainless steel.
The pulse frequency was maintained at 150 Hz and the pulse duration was
initially set to 250
microseconds and gradually lowered to 200 microseconds during the course of a
2 hour run. The high
voltage supply was set to 910 volts, drawing a current of between 2.21 and
2.45 amps. The initial
temperature was 30 C and monitored continuously with a pair of thermocouples,
one in each side of the
tank. After conclusion of the 2 hour run, the temperature of the tank fluid
had increased to 60 C.
As with the previously described set of tests, the correlation between
electrode size and
heat production efficiency was demonstrated by replacing the high voltage
electrodes with larger
electrodes measuring 9.5 centimeters by 5 centimeters by 0.5 centimeters. The
larger electrodes, still
operating at a voltage of 910 volts, drew a current of between 1.6 and 1.94
amps. The pulse frequency
was still maintained at 150 Hz, however, the pulse duration was lowered from
an initial setting of 90
microseconds to 25 microseconds. All other operating parameters were the same
as in the previous test.
In this test during the course of a 6 hour run, the temperature of the tank
fluid increased from 23 C to
68 C, providing an increase in heat production efficiency of approximately 3
times over that exhibited in
the previous test.
As with the previous exemplary embodiment, it will be appreciated that there
are
numerous minor variations of the electrolytic heating subsystem described
above and shown in Fig. 4
that can be used with the invention. For example, and as previously noted,
altemate configurations can
utilize tanks of different size and/or shape, different electrolytic
solutions, and a variety of different
13

CA 02613819 2007-12-07
electrode/metal member configurations and materials. Exemplary alternate
electrode/metal member
configurations include, but are not limited to, multiple sets of metal
members, multiple high voltage
cathodes, multiple high voltage anodes, multiple sets of metal members
combined with multiple high
voltage cathodes and anodes, electrodes/metal members of varying size or shape
(e.g., cylindrical,
curved, etc.), and electrodes/metal members of varying orientation (e.g., non-
parallel faces, pairs in
which individual electrodes are not positioned directly across from one
another, etc.). Additionally,
alternate configurations can utilize a variety of input powers, pulse
frequencies and pulse durations.
In at least one preferred embodiment of the invention, the electrolytic
heating subsystem
uses a reaction rate controller to help achieve optimal performance of the
heating subsystem relative to
the water heating subsystem. The rate controller operates by generating a
magnetic field within the
electrolysis tank, either within the region between the high voltage
cathode(s) and the low voltage
cathode(s) or metal member(s), or within the region between the high voltage
anode(s) and the low
voltage anode(s) or metal member(s), or both regions. The magnetic field can
either be generated with
an electromagnetic coil or coils, or with one or more permanent magnets. The
benefit of using
electromagnetic coils is that the intensity of the magnetic field generated by
the coil or coils can be
varied by controlling the current supplied to the coil(s), thus providing a
convenient method of
controlling the reaction rate.
Fig. 5 provides an exemplary embodiment of an electrolytic heating subsystem
500 that
includes an electromagnetic rate controller. It should be understood that the
electromagnetic rate
controller shown in Figs. 5 and 6, or a rate controller using permanent
magnets as shown in Figs. 7 and 8,
is not limited to a specific tank/electrode configuration. For example,
electrolysis tank 501 of system
500 is cylindrically-shaped although the tank could utilize other shapes such
as the rectangular shape of
tank 301. As in the previous embodiments, the electrolytic heating subsystem
includes a membrane
(e.g., membrane 503) separating the tank into two regions, a pair of gas
outlets (e.g., outlets 505/507), a
pair of water removal and replenishment lines (e.g., conduits 509/511), flow
control valves (e.g., valves
513/515) coupled to the system controller, a water level monitor (e.g.,
monitor 516), a temperature
monitor (e.g., monitor 517), a pH or resistivity monitor (e.g., monitor 518)
and heat removal conduits
(e.g., conduits 519 which are functional equivalents to conduits 105). As in
the embodiments shown in
Figs. 3 and 4, only a portion of the conduits are shown, thus providing a
better view of the underlying
system. This embodiment, similar to the one shown in Fig. 1, utilizes both low
voltage and high voltage
electrodes. Specifically, subsystem 500 includes a pair of low voltage
electrodes 521/523 and a pair of
high voltage electrodes 525/527.
14

CA 02613819 2007-12-07
In the electrolytic heating subsystem illustrated in Fig. 5, a magnetic field
of controllable
intensity is generated between the low voltage and high voltage electrodes
within each region of tank
501. Although a single electromagnetic coil can generate fields within both
tank regions, in the
illustrated embodiment the desired magnetic fields are generated by a pair of
electromagnetic coils
531/533. As shown, electromagnetic coil 531 is interposed between the planes
containing low voltage
electrode 521 and high voltage electrode 525 and electromagnetic coil 533 is
interposed between the
planes containing low voltage electrode 523 and high voltage electrode 527.
Electromagnetic coils
531/533 are coupled to a controller 535 which is used to vary the current
through coils 531/533, thus
allowing the strength of the magnetic field generated by the electromagnetic
coils to be varied as desired.
As a result, the rate of the reaction driven by the electrolysis system, and
thus the amount of heat
generated by the subsystem, can be controlled. In particular, increasing the
magnetic field generated by
coils 531/533 decreases the reaction rate. Accordingly, a maximum reaction
rate is achieved with no
magnetic field while the minimum reaction rate is achieved by imposing the
maximum magnetic field. It
will be appreciated that the exact relationship between the magnetic field and
the reaction rate depends
on a variety of factors including reaction strength, electrode composition and
configuration,
voltage/pulse frequency/pulse duration applied to the electrodes, electrolyte
concentration, and
achievable magnetic field, the last parameter dependent primarily upon the
composition of the coils, the
number of coil turns, and the current available from controller 535.
Although the subsystem embodiment shown in Fig. 5 utilizes coils that are
interposed
between the low voltage electrode and the high voltage electrode planes, it
will be appreciated that the
critical parameter is to configure the system such that there is a magnetic
field, preferably of controllable
intensity, between the low voltage and high voltage electrode planes. Thus,
for example, if the coils
extend beyond either, or both, the plane containing the low voltage
electrode(s) and the plane controlling
the high voltage electrode(s), the system will still work as the field
generated by the coils includes the
regions between the low voltage and high voltage electrodes. Additionally it
will be appreciated that
although the embodiment shown in Fig. 5 utilizes a single controller 535
coupled to both coils, the
system can also utilize separate controllers for each coil (not shown).
Similarly, while the illustrated
subsystems utilize dual coils, the invention can also use a single coil to
generate a single field which
affects both tank regions, or primarily affects a single tank region.
Additionally it will be appreciated
that the electromagnetic coils do not have to be mounted to the exterior
surface of the tank as shown in
Fig. 5. For example, the electromagnetic coils can be integrated within the
walls of the tank, or mounted
within the tank. By mounting the electromagnetic coils within, or outside, of
the tank walls, coil
deterioration from electrolytic erosion is minimized.

CA 02613819 2007-12-07
The magnetic field rate controller is not limited to use with electrolytic
heating
subsystems employing both low and high voltage electrodes. For example, the
electromagnetic rate
controller subsystem can be used with embodiments using high voltage
electrodes and metal members as
described above and shown in the exemplary embodiment of Fig. 4. Fig. 6 is an
illustration of an
exemplary embodiment based on the embodiment shown in Fig. 5, replacing low
voltage electrodes
521/523 with metal members 601/603, respectively. As with the electromagnetic
rate controller used
with the dual voltage system, it will be appreciated that configurations using
high voltage electrodes and
metal members can utilize internal electromagnetic coils, electromagnetic
coils mounted within the tank
walls, and electromagnetic coils mounted outside of the tank walls.
Additionally, and as previously
noted, the electromagnetic rate controller is not limited to a specific tank
and/or electrode configuration.
As previously noted, although electromagnetic coils provide a convenient means
for
controlling the intensity of the magnetic field applied to the reactor,
permanent magnets can also be used
with the electrolytic heating subsystem of the invention, for example when the
magnetic field does not
need to be variable. Figs. 7 and 8 illustrate embodiments based on the
configurations shown in Figs. 5
and 6, but replacing coils 531 and 533 with permanent magnets 701 and 703,
respectively. Note that in
the view of Fig. 7, only the edge of electrode 521 is visible while none of
electrode 527 is visible.
Similarly in the view of Fig. 8, only the edge of metal member 601 is visible
while none of electrode 827
is visible.
As previously described, the water heating system of the invention can be
operated in a
variety of ways, depending primarily upon the desired level of system control.
Further detail regarding
the primary and preferred methodologies will now be provided.
In the simplest method of use, the electrolytic heating subsystem is operated
continuously and the heated heat transfer medium is continually pumped through
the water heating
subsystem conduit. Typically in this approach the system is set-up so that the
steady-state temperature
reached within the water tank is an acceptable temperature, the steady-state
temperature based on the
assumption of zero water usage (i.e., the only heat loss is through heat
transfer out of the system).
In a minor variation of the above-described process applicable to embodiments
utilizing
an extetnally mounted heat exchanger, the electrolytic heating subsystem is
operated continuously and
the heat transfer medium is continually pumped through the external heat
exchanger (step 901 of Fig. 9).
During system operation, the system controller compares a desired water
temperature (set in step 903, for
example using thermostat 121) with the actual water temperature within storage
tank 111, for example
using monitor 117 (step 905). If the actual temperature is above (or above or
equal to depending upon
set-up) the desired temperature (step 907), the system does nothing and simply
continues to monitor and
16

CA 02613819 2007-12-07
compare the temperatures. If the actual temperature is less than the desired
temperature (step 909), for
example due to heat loss from tank 111 or through hot water usage, then the
system controller initiates
pumping of water from the storage tank through the heat exchanger and back
into the tank (step 911).
After pumping has been initiated (step 911), the system controller compares
the
temperature within the water storage tank to a second preset temperature (step
913). The second preset
temperature may be the same as the first preset temperature, assuming that the
system is designed to only
heat the water within the water tank to the initially desired temperature.
Alternately, the second preset
temperature may be higher than the first, desired, preset temperature.
Typically the second preset
temperature is slightly higher than the first, desired, preset temperature,
thus maximizing system
efficiency while insuring that end users are not scalded by water temperatures
that are greater than
expected. As long as the temperature within the water tank is lower than the
third preset temperature
(915), water pumping from the storage tank through the heat exchanger
continues and the system
controller continues to compare temperatures (step 913). Once the temperature
within the water tank
exceeds the second preset temperature (step 917), water pumping is suspended
(step 919) and the system
goes back to comparing the temperature of the water within the water tank to
the desired temperature
(step 921).
Fig. 10 illustrates an alternate method of operation in which the electrolytic
heating
subsystem is not continually operated. As in the previous embodiment,
initially the desired water
temperature is set (i.e., first preset temperature), for example using
thermostat 121 (step 903). Then the
system controller compares the desired water temperature with the actual water
temperature, for example
using monitor 117 (step 1001). If the actual temperature is above (or above or
equal to depending upon
set-up) the desired temperature (step 1003), the system does nothing and
simply continues to monitor and
compare the temperatures. If the actual temperature is less than the desired
temperature (step 1005), for
example due to simple heat loss out of tank 111 or through hot water usage,
then the system controller
initiates electrolysis in the electrolytic heating subsystem (step 1007).
Preferably the system controller
compares a second preset temperature with either, or both, the temperature of
the fluid within the
electrolysis tank (for example, using monitor 123) or the temperature of the
heat transfer medium within
the heat exchange conduit (for example, using monitor 125 within conduit 105)
(step 1009). The second
preset temperature, which determines at what point heat transfer medium within
the conduit is pumped
through the conduit within the water heating subsystem, can be designed to be
set by the system
manufacturer, the system installer, or the end user. As long as the
temperature within the electrolysis
tank and/or the heat exchange conduit 105 is less than the second preset
temperature (step 1011), the
system controller simply continues to compare and monitor temperatures. Once
the temperature within
17

CA 02613819 2007-12-07
the electrolysis tank and/or the heat exchange conduit 105 exceeds the second
preset temperature (step
1013), the system controller initiates pumping the heat transfer medium
through the conduit and the heat
exchanger (step 1015). In at least one embodiment, if an external heat
exchanger is used then during step
1015 pumping of water from storage tank 111 through the heat exchanger is also
initiated.
During pumping (step 1015), the system controller compares the temperature
within the
water heating tank to a third preset temperature (step 1017). The third preset
temperature may be the
same as the first preset temperature, assuming that the system is designed to
only heat the water within
the water tank to the initially desired temperature. Alternately, the third
preset temperature may be
higher than the first, desired, preset temperature. Typically the third preset
temperature is slightly higher
than the first, desired, preset temperature, thus maximizing system efficiency
while insuring that end
users are not scalded by water temperatures that are greater than expected. As
long as the temperature
within the water tank is lower than the third preset temperature (1019),
pumping of the heat transfer
medium within the conduit continues and the system controller continues to
compare temperatures (step
1017). Once the temperature within the water tank exceeds the third preset
temperature (step 1021),
fluid pumping is suspended (step 1023), electrolysis is suspended (step 1025)
and the system goes back
to comparing the temperature of the water within the water tank to the desired
temperature (step 1027).
If an external heat exchanger is used, heat transfer medium pumping and water
pumping
(previous step 1015) do not have to occur simultaneously. For example, heat
transfer medium pumping
may occur before water pumping with either a preset period of time passing
between the two pumping
steps or two different preset temperatures being used to determine when to
initiate each pumping step.
Similarly, the time at which pumping is suspended (previous step 1023) may be
different for heat
transfer medium pumping and storage tank water pumping. For example, heat
transfer medium pumping
may be suspended before suspending water pumping.
In a minor variation of the process described above, the process illustrated
in Fig. 11
eliminates the pre-heating of the electrolysis fluid/heat transfer medium
before initiating pumping.
Accordingly, and as shown, once the system controller determines that the
temperature within the water
tank is lower than the first preset temperature (step 1005), both electrolysis
and fluid pumping are
initiated (i.e., steps 1007 and 1015). If an external heat exchanger is used,
preferably storage tank water
pumping is initiated at the same time as heat transfer medium pumping
although, as previously noted,
these two pumping steps can be performed sequentially.
In further simplification of the method described above, the process
illustrated in Fig. 12
eliminates the steps of turning on and off the heat transfer pump 107 (or
pumps 205 and 207 if an
external heat exchanger is used). Rather, the heat transfer pump is turned on
during system initialization
18

CA 02613819 2007-12-07
(step 1201). In this method pumping is continual and only operation of the
electrolytic heating
subsystem is suspended (step 1025) when the water temperature exceeds the
preset temperature (step
1021).
In an alternative process shown in Fig. 13, the electrolysis process is
modified if the
temperature within the water tank becomes too high, or more preferably, if the
temperature within the
water tank falls outside of an acceptable range. Initially electrolysis is
initiated (step 1301) as well as
fluid pumping (1303). If an internal heat exchanger is used, only heat
transfer medium pumping occurs
in step 1303. If an external heat exchanger is used, preferably both heat
transfer medium pumping and
storage tank water pumping occurs in step 1303. Once the system is
operational, the temperature within
the water storage tank is periodically compared to a preset temperature (step
1305). If the monitored
temperature falls outside of the preset range (step 1307), the electrolysis
process is modified (step 1309).
During the electrolysis process modification step, one or more process
parameters are varied. Typically
pulse duration and/or pulse frequency are varied and, in some embodiments,
electrode voltage.
Additionally, if the system includes an electromagnetic rate control system,
the intensity of the magnetic
field may be altered, thus changing the rate of reaction as previously
described. Preferably during the
electrolysis modification step, the system controller modifies the process in
accordance with a series of
pre-programmed changes, for example decreasing the pulse duration in 10
microsecond steps until the
desired temperature is reached. Since varying the electrolysis process does
not have an immediate affect
on the temperature of the water within the water tank, preferably after making
a system change, a period
of time is allowed to pass (step 1311), thus allowing the system to reach
equilibrium, or close to
equilibrium, before determining if further process modification is required.
During this process, the
system controller monitors the temperature within the electrolysis tank (step
1313) while determining if
further modification is required (step 1315). Once the temperature reaches an
acceptable level (step
1317), the system goes back to monitoring system performance (step 1305).
It will be understood that the previously described method can also be used to
optimize
system performance as the system ages. For example, if the electrolysis
performance deteriorates, for
example due to electrode erosion, the above-described system can be used to
modify the process (e.g.,
increasing pulse duration or frequency) to insure that the temperature of the
water in the water tank falls
within the desired range.
As will be understood by those familiar with the art, the present invention
may be
embodied in other specific forms without departing from the spirit or
essential characteristics thereof.
Accordingly, the disclosures and descriptions herein are intended to be
illustrative, but not limiting, of
the scope of the invention which is set forth in the following claims.
19

Representative Drawing
A single figure which represents the drawing illustrating the invention.
Administrative Status

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Event History

Description Date
Inactive: IPC expired 2022-01-01
Inactive: IPC expired 2022-01-01
Inactive: IPC expired 2022-01-01
Inactive: IPC expired 2022-01-01
Time Limit for Reversal Expired 2010-12-07
Application Not Reinstated by Deadline 2010-12-07
Inactive: Abandoned - No reply to s.29 Rules requisition 2010-04-06
Inactive: Abandoned - No reply to s.30(2) Rules requisition 2010-04-06
Deemed Abandoned - Failure to Respond to Maintenance Fee Notice 2009-12-07
Inactive: S.30(2) Rules - Examiner requisition 2009-10-06
Inactive: S.29 Rules - Examiner requisition 2009-10-06
Inactive: Cover page published 2009-06-07
Application Published (Open to Public Inspection) 2009-06-07
Letter Sent 2009-01-21
Inactive: Correspondence - Transfer 2008-11-26
Inactive: IPC assigned 2008-09-30
Inactive: IPC assigned 2008-09-26
Inactive: IPC assigned 2008-09-26
Inactive: IPC assigned 2008-09-26
Inactive: IPC assigned 2008-09-26
Inactive: First IPC assigned 2008-09-26
Inactive: Filing certificate - RFE (English) 2008-01-25
Inactive: Filing certificate - RFE (English) 2008-01-24
Filing Requirements Determined Compliant 2008-01-24
Letter Sent 2008-01-24
Application Received - Regular National 2008-01-24
Request for Examination Requirements Determined Compliant 2007-12-07
All Requirements for Examination Determined Compliant 2007-12-07

Abandonment History

Abandonment Date Reason Reinstatement Date
2009-12-07

Fee History

Fee Type Anniversary Year Due Date Paid Date
Application fee - standard 2007-12-07
Request for examination - standard 2007-12-07
Registration of a document 2008-11-21
Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
NEHEMIA DAVIDSON
Past Owners on Record
None
Past Owners that do not appear in the "Owners on Record" listing will appear in other documentation within the application.
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Document
Description 
Date
(yyyy-mm-dd) 
Number of pages   Size of Image (KB) 
Claims 2007-12-07 41 1,897
Description 2007-12-07 19 1,224
Abstract 2007-12-07 1 15
Drawings 2007-12-07 13 404
Representative drawing 2009-05-15 1 27
Cover Page 2009-06-03 1 57
Filing Certificate (English) 2008-01-25 1 160
Acknowledgement of Request for Examination 2008-01-24 1 177
Reminder of maintenance fee due 2009-08-10 1 113
Courtesy - Abandonment Letter (Maintenance Fee) 2010-02-01 1 171
Courtesy - Abandonment Letter (R30(2)) 2010-06-29 1 164
Courtesy - Abandonment Letter (R29) 2010-06-29 1 164