Note: Descriptions are shown in the official language in which they were submitted.
E-LIQUID COLLECTION DRY-BURNING PREVENTION ATOMIZER, AND
ELECTRONIC CIGARETTE
BACKGROUND
[0001] The disclosure relates to the field of electronic cigarette, and more
particularly, to an atomizer and an electronic cigarette comprising the same.
[0002] In a conventional atomizer, after use, a small amount of e-liquid often
remains on the inner wall and at the bottom of an e-liquid chamber. A
relatively large
space at the bottom the e-liquid chamber often prevents the e-liquid level
from
reaching an e-liquid inlet, resulting in insufficient e-liquid being drawn
into the
heating core. The insufficiency leads to dry burns and a burnt taste during
vaping.
SUMMARY
[0003] To solve the aforesaid problems, one objective of the disclosure is to
provide
an atomizer.
[0004] The atomizer comprises a housing, a partition wall, a heating core, and
an e-
liquid accumulation part; the housing comprises an e-liquid chamber and a
heating
chamber; the partition wall is disposed between the e-liquid chamber and the
heating
chamber to separate the e-liquid chamber and the heating chamber; the
partition wall
comprises at least one e-liquid inlet; the heating core is disposed in the
heating
chamber and opposite to the at least one e-liquid inlet; the e-liquid
accumulation part
is disposed in the e-liquid chamber, so that the e-liquid is accumulated and
directed to
the at least one e-liquid inlet; the e-liquid accumulation part communicates
with the
heating chamber through the at least one e-liquid inlet.
[0005] In a class of this embodiment, the e-liquid accumulation part comprises
a
groove and/or a gap; the e-liquid accumulation part and the at least one e-
liquid inlet
are adjacent to one end of the e-liquid chamber.
[0006] In a class of this embodiment, the e-liquid chamber comprises a first
section
and a second section connected to the first section; the e-liquid accumulation
part is
disposed in the second section; the first section has a greater radial cross-
sectional
area than the e-liquid accumulation part.
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CA 03233872 2024- 4- 3
[0007] In a class of this embodiment, the e-liquid chamber is defined by an
inner
wall of the housing and the partition wall; and the partition wall comprises a
protrusion extending horizontally into one end of the e-liquid chamber.
[0008] In a class of this embodiment, one end of the protrusion comprises a
step
structure; the step structure comprises at least one groove functioning as the
e-liquid
accumulation part; and at least one e-liquid inlet is disposed on the
partition wall and
opposite to the at least one groove.
[0009] In a class of this embodiment, the protrusion is connected to the inner
wall of
the housing.
[0010] In a class of this embodiment, a gap is formed between the protrusion
and the
inner wall of the housing; the at least one e-liquid inlet is disposed on the
partition
wall and opposite to the gap.
[0011] In a class of this embodiment, the atomizer further comprises an
atomizing
tube disposed in the housing; the atomizing tube comprises a channel
functioning as
the heating chamber; the e-liquid chamber is formed between the outer wall of
the
atomizing tube and the inner wall of the housing; the atomizing tube comprises
a
sidewall functioning as the partition wall; and the protrusion surrounds the
atomizing
tube.
[0012] In a class of this embodiment, the heating core comprises an e-liquid
absorbent element and a heating element; the e-liquid absorbent element is
configured
to envelop the outer surface of the heating element and seal the at least one
e-liquid
inlet.
[0013] In a class of this embodiment, the atomizer further comprises a
mouthpiece
for smoking; the mouthpiece is disposed at one end of the housing and aligns
with the
atomizing tube; the atomizer further comprises a first sealing member disposed
between the mouthpiece and the housing to seal one end of the e-liquid
chamber; the
mouthpiece comprises a smoke channel; one end of the atomizing tube is
disposed
into the smoke channel; and the smoke channel communicates with the heating
chamber.
[0014] In a class of this embodiment, the atomizing tube comprises a distal
end
away from the mouthpiece; the atomizer further comprises a second sealing
member
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CA 03233872 2024- 4- 3
disposed between the distal end of the atomizing tube and the housing; the
second
sealing member is configured to seal the other end of the e-liquid chamber.
[0015] In a class of this embodiment, the distal end of the atomizing tube
expands
radially and longitudinally extends to form both an air guide tube and a first
positioning step; the housing comprises a distal end away from the mouthpiece;
the
distal end of the housing abuts against the first positioning step; and the
outer wall of
the air guide tube comprises at least one air inlet.
[0016] In a class of this embodiment, the atomizer further comprises a first
conductive connector; the first conductive connector comprises an insert
section and a
protruding section connected to the insert section; the insert section is
disposed inside
the air guide tube; the protruding section is disposed outside the air guide
tube; a joint
of the insert section and the protruding section extends radially to form a
second
positioning step; the air guide tube comprises a distal end away from the
mouthpiece;
the distal end of the air guide tube abuts against the second positioning
step; an air
guide space is defined by the air guide tube, the insert section, and the
second
positioning step; and the at least one air inlet communicates with the air
guide space.
[0017] In a class of this embodiment, the outer wall of the insert section
comprises
at least one air guide hole communicating with the air guide space; the first
conductive connector comprises an air guide channel; the at least one air
guide hole
communicates with the air guide channel; the air guide channel corresponds to
and
communicates with the heating chamber.
[0018] In a class of this embodiment, the atomizer further comprises a second
conductive connector disposed in the protruding section; the first conductive
connector and the second conductive connector are electrically connected to
the
heating element; the atomizer further comprises an insulating component
disposed
between the inner wall of the protruding section and the outer wall of the
second
conductive connector.
[0019] In a class of this embodiment, the atomizer further comprises e-liquid
collection cotton disposed within the insert section; the e-liquid collection
cotton is
configured to absorb condensation escaping from the heating chamber and the e-
liquid escaping from the heating core.
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[0020] The second objective of the disclosure is to provide an electronic
cigarette
comprising the atomizer.
[0021] It should be noted that the specification of the disclosure contains a
large
number of technical features distributed in various technical solutions, and
if all
possible combinations of technical features (i.e., technical solutions) of the
disclosure
were to be listed, the specification would be too lengthy. In order to avoid
this
problem, the technical features disclosed in the above-described inventive
content of
the disclosure, the technical features disclosed in the following embodiments
and
examples, and the technical features disclosed in the accompanying drawings
may be
freely combined with each other to constitute various new technical solutions
(which
are all deemed to have been recorded in the present specification), unless
such
combinations of technical features are technically infeasible. feasible. For
example, if
feature A+B+C is disclosed in one example, and feature A+B+D+E is disclosed in
another example, and features C and D are equivalent technical means serving
the
same function, and technically it is sufficient to use one of them, and it is
not possible
to use them at the same time, and feature E can be technically combined with
feature
C, then the scheme of A+B+C+D should not be regarded as having been recorded
due
to technical infeasibility, and the scheme of A+B+C+E should be regarded as
having
been recorded because it is technically infeasible, and the scheme of A+B+C+E
should be regarded as being technically infeasible. A+B+C+D should not be
regarded
as having been recorded because it is technically infeasible, while A+B+C+E
should
be regarded as recorded.
[0022] The following advantages are associated with the disclosure: the
disclosed
atomizer comprises the e-liquid accumulation part; when the e-liquid level in
the e-
liquid chamber is below the at least one e-liquid inlet, the e-liquid moves
into the e-
liquid accumulation part, raising the e-liquid level beyond the at least one e-
liquid
inlet, ensuring sufficient e-liquid absorption by the heating core and
preventing dry
burns.
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BRIEF DESCRIPTION OF THE DRAWINGS
[0023] The disclosure is described in detail below in conjunction with the
accompanying drawings in order to make the above advantages of the invention
clearer.
[0024] FIG. 1 is an exploded view of an atomizer according to Example 1 of the
disclosure;
[0025] FIG. 2 is a perspective view of an atomizer according to Example 1 of
the
disclosure;
[0026] FIG. 3 is a cross-sectional view of an atomizer according to Example 1
of the
disclosure;
[0027] FIG. 4 is a cross-sectional view including arrows showing the direction
of
smoke in an atomizer according to Example 1 of the disclosure; and
[0028] FIG. 5 is a cross-sectional view of an atomizer according to Example 2
of the
disclosure.
DETAILED DESCRIPTION
[0029] To further illustrate the disclosure, embodiments detailing the
atomizer and
the electronic cigarette comprising the same are described below. It should be
noted
that the following embodiments are intended to describe and not to limit the
disclosure.
[0030] As shown in FIGS. 1-5, an atomizer comprises a housing 3, a heating
core 6,
a partition wall, and an e-liquid accumulation part. The housing 3 comprises
an e-
liquid chamber 301 and a heating chamber 405; the partition wall is disposed
between
the e-liquid chamber 301 and the heating chamber 405 to separate the e-liquid
chamber 301 and the heating chamber 405. The partition wall comprises at least
one
e-liquid inlet 401. The heating core 6 is disposed in the heating chamber 405
and
opposite to the at least one e-liquid inlet 401. The e-liquid accumulation
part is
disposed in the e-liquid chamber 301, so that the e-liquid is accumulated and
directed
to the at least one e-liquid inlet 401. The e-liquid accumulation part
communicates
with the heating chamber 405 through the at least one e-liquid inlet 401.
Notably,
CA 03233872 2024- 4- 3
when the e-liquid level in the e-liquid chamber 301 is below the at least one
e-liquid
inlet 401, the e-liquid is directed to the e-liquid accumulation part and then
to the
heating core 6 through the at least one e-liquid inlet 401, preventing dry
burns in the
heating core 6, thereby avoiding a burnt taste. The term "partition wall", as
use herein,
refers to a component that separates the e-liquid chamber 301 and the heating
chamber 405.
[0031] The e-liquid accumulation part comprises a groove 404 and/or a gap 410.
The e-liquid accumulation part and the at least one e-liquid inlet 401 are
disposed
adjacent to one end of the e-liquid chamber 301. Notably, the e-liquid
accumulation
part is in the form of the groove 404, the gap 410, or a combination thereof
Notably,
the e-liquid accumulation part and the at least one e-liquid inlet 401 are
disposed
adjacent to the bottom end of the e-liquid chamber 301, enabling the e-liquid
adhering
to any part within the e-liquid chamber 301 to flow towards the bottom wall of
the e-
liquid chamber 301 due to gravity; the e-liquid is then directed to the e-
liquid
accumulation part and then to the heating core 6 through the at least one e-
liquid inlet
401.
[0032] In certain embodiments, the e-liquid chamber 301 comprises a first
section
and a second section connected to the first section; the e-liquid accumulation
part is
disposed in the second section; the first section has a greater radial cross-
sectional
area than the e-liquid accumulation part. Notably, although the e-liquid level
is
initially below the at least one e-liquid inlet, a small amount of the e-
liquid moves
from the first section to the second section, raising the e-liquid level
beyond the at
least one e-liquid inlet 401, ensuring sufficient e-liquid absorption by the
heating core
6 and preventing thy burns.
[0033] Notably, as shown in FIGS. 2-5, the term "longitudinally", as used
herein,
refer to a longitudinal direction, extending from the top to the bottom or
from the
bottom to the top of the atomizer; the term "horizontally", as used herein,
refer to a
direction approximately perpendicular to the "longitudinal" direction; the
longitudinal
direction and the horizontal direction are not strictly vertical; both
orientations
broadly fall within the scope of protection of the disclosure.
[0034] In certain embodiments, the e-liquid chamber 301 is defined by the
inner
wall of the housing 3 and the partition wall; the partition wall comprises a
protrusion
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402 extending horizontally into one end of the e-liquid chamber 301.
Specifically, the
e-liquid in the e-liquid chamber 301 is directed to the heating core 6 through
the at
least one e-liquid inlet 401, and the protrusion 402 functions as the bottom
wall of the
e-liquid chamber 301.
[0035] In certain embodiments, one end of the protrusion 402 comprises a step
structure 403; the step structure 403 comprises at least one groove 404
functioning as
the e-liquid accumulation part; and at least one e-liquid inlet 401 is
disposed on the
partition wall and opposite to the at least one groove 404. Notably, the
grooves 404 is
U-shaped or a V-shaped.
[0036] The protrusion 402 is connected to the inner wall of the housing 3 to
prevent
the e-liquid from flowing out from the at least one groove 404.
[0037] In certain embodiments, the gap 410 is formed between the protrusion
402
and the inner wall of the housing 3; the at least one e-liquid inlet 401 is
disposed on
the partition wall and opposite to the gap 410. Alternatively, the e-liquid
accumulation
part is in the form of the gap 410.
[0038] In certain embodiments, the atomizer further comprises an atomizing
tube 4
disposed in the housing; the atomizing tube 4 comprises a channel functioning
as the
heating chamber 405; the e-liquid chamber 301 is formed between the outer wall
of
the atomizing tube 4 and the inner wall of the housing 3; the atomizing tube 4
comprises a sidewall functioning as the partition wall; and the protrusion 402
surrounds the atomizing tube 4. In this embodiment, the interior of the
atomizing tube
4 forms the heating chamber 405, and the exterior of the atomizing tube 4
forms the e-
liquid chamber 301. The atomizing tube 4 comprises a composite material
comprising
both ceramic and zirconia. The composite material is eco-friendly, heat-
resistant, and
resistant to deformation when heated; moreover, the composite material does
not
corrode when exposed to the e-liquid and does not emit any distinctive odors
that
could impact the taste of the e-liquid. The housing 3 comprises glass
materials,
allowing for monitoring of e-liquid consumption. In certain embodiments, only
a
portion of the sidewall of the atomizing tube 4 functions as the partition
wall; the
interior of the portion of the sidewall of atomizing tube 4 forms the heating
chamber,
and the exterior of the portion of the sidewall of the atomizing tube 4 forms
the e-
liquid chamber.
7
CA 03233872 2024- 4- 3
[0039] In certain embodiments, the heating core 6 comprises an e-liquid
absorbent
element 602 and a heating element 601. The e-liquid absorbent element 602 is
configured to envelop the outer surface of the heating element 601 and seal
the at
least one e-liquid inlet 401. Understandably, the e-liquid absorbent element
602
comprises porous materials, including but not limited to cotton, e-liquid-
absorbing
fibers, ceramic, and mica. The e-liquid absorbent element is used to rapidly
absorb
significant quantities of the e-liquid from the at least one e-liquid inlet
401, ensuring a
sufficient supply of the e-liquid to the heating element 601. The heating
element 601
comprises conductive materials like metal or carbon-containing materials, such
as
carbon nanomaterials and graphene; the metal or carbon-containing materials
are
known for high heat resistance, effective heat transfer capabilities, large
heating
surface area, and the ability to produce abundant smoke. For example, the e-
liquid
absorbent element 602 comprises a ceramic core in the shape of a hollow tube;
and
the heating element 601 is embedded in the hollow tube or disposed on the
inner wall
of the hollow tube. Alternatively, the e-liquid absorbent element comprises
cotton;
and the heating element is an electric heating wire disposed within or wound
around
the cotton. The heating element is not limited to the electric heating wire,
can also be
in the shape of mesh, tube, or sheet. Alternatively, the e-liquid absorbent
element
comprises both the ceramic core and the cotton; the ceramic core is in the
shape of a
hollow tube; the cotton is wound around or disposed inside the ceramic core;
and the
electric heating wire is disposed in the ceramic core.
[0040] In certain embodiments, the atomizer further comprises a mouthpiece 1
for
smoking; the mouthpiece 1 is disposed at one end of the housing 3 and aligns
with the
atomizing tube 4; the atomizer further comprises a first sealing member 2
disposed
between the mouthpiece 1 and the housing 3 to seal one end of the e-liquid
chamber
301; the mouthpiece 1 comprises a smoke channel 101; one end of the atomizing
tube
4 is disposed into the smoke channel 101; the smoke channel 101 communicates
with
the heating chamber 405. Notably, the smoke generated by vaporizing the e-
liquid
flows from the heating chamber 405 into the smoke channel 101 and is inhaled
through the mouthpiece 1; the mouthpiece 1 comprises a composite material
comprising both ceramic and zirconia, offering effective insulation to prevent
burns
during smoking. The design ensures that the smoke remains free from any
unusual
odors when passing through the mouthpiece 1.
8
CA 03233872 2024- 4- 3
[0041] In certain embodiments, the atomizing tube 4 comprises a distal end
away
from the mouthpiece; the atomizer further comprises a second sealing member 5
disposed between the distal end of the atomizing tube 4 and the housing; the
second
sealing member is configured to seal the other end of the e-liquid chamber 30.
Both
the first sealing member 2 and the second sealing member 5 comprise materials
such
as silicone, rubber, or latex; and the materials exhibit a substantial
deformation
coefficient, ensuring an effective seal while maintaining flexibility for
convenient
assembly.
[0042] In certain embodiments, the atomizer further comprises an air guide
tube 406
and a first positioning step 407; the distal end of the atomizing tube 4
expands radially
and longitudinally extends to form both the air guide tube 406 and the first
positioning
step 407; the housing 3 comprises a distal end away from the mouthpiece 1; the
distal
end of the housing 3 abuts against the first positioning step 407; the outer
wall of the
air guide tube 406 comprises at least one air inlet 408; the first positioning
step 407 is
used to control the insertion depth of the atomizing tube 4 into the housing
3,
preventing excessive insertion. The at least one air inlet 408 communicates
with the
external environment, allowing for the intake of air.
[0043] In certain embodiments, the atomizer further comprises a first
conductive
connector 8; the first conductive connector 8 comprises an insert section 801
and a
protruding section 802 connected to the insert section 801; the insert section
801 is
disposed inside the air guide tube 406; the protruding section 802 is disposed
outside
the air guide tube 406; a joint of the insert section 801 and the protruding
section 802
extends radially to form a second positioning step 803; the air guide tube 406
comprises a distal end away from the mouthpiece 1; the distal end of the air
guide
tube 406 abuts against the second positioning step 803; an air guide space is
defined
by the air guide tube 406, the insert section 801, and the second positioning
step 803;
the at least one air inlet 408 communicates with the air guide space 409; and
the
second positioning step 803 is used to control the insertion depth of the
insert section
801 into the air guide tube 406, preventing excessive insertion.
[0044] The outer wall of the insert section 801 comprises at least one air
guide hole
805 communicating with the air guide space 409; the first conductive connector
8
further comprises an air guide channel 804; the at least one air guide hole
805
9
CA 03233872 2024- 4- 3
communicates with the air guide channel 804; the air guide channel 804
corresponds
to and communicates with the heating chamber 405. Notably, when in use,
external
airflow is drawn into the air guide space 409 via the at least one air inlet
408, and then
passes through the at least one air guide hole 805, entering the air guide
channel 804;
ultimately, the airflow reaches the heating chamber 405; in the heating
chamber 405,
the heating element 601 heats the e-liquid, producing smoke; the smoke then
flows
through the heating chamber 405, entering the smoke channel 101, and is
inhaled
through the mouthpiece 1.
[0045] The atomizer further comprises a second conductive connector 10
disposed
in the protruding section 802; the first conductive connector 8 and the second
conductive connector 10 are electrically connected to the heating element 601;
the
atomizer further comprises an insulating component 9 disposed between the
inner
wall of the protruding section 802 and the outer wall of the second conductive
connector 10. Both the first conductive connector 8 and the second conductive
connector 10 comprise conductive metal materials, including but not limited to
gold,
silver, copper, iron, and zinc. The insulating component 9 is used to insulate
the first
conductive connector 8 and the second conductive connector 10, preventing
short
circuit.
[0046] The atomizer further comprises e-liquid collection cotton 7 disposed
within
the insert section 801; the e-liquid collection cotton is configured to absorb
condensation escaping from the heating chamber 406 and the e-liquid escaping
from
the heating core 6.
Example 1
[0047] As shown in FIGS. 1-3, an atomizer comprises a mouthpiece 1, a first
sealing
member 2, a housing 3, an atomizing tube 4, a second sealing member 5, a
heating
core 6, e-liquid collection cotton 7, a first conductive connector 8, an
insulating
component 9, and a second conductive connector 10. The atomizing tube 4 is
disposed within the housing 3. A space between the atomizing tube 4 and the
housing
3 forms an e-liquid chamber 301 for holding the e-liquid. The atomizing tube 4
comprises a heating chamber 405. The heating core 6 is disposed in the heating
chamber 405. The outer wall of the atomizing tube 4 comprises two e-liquid
inlets
CA 03233872 2024- 4- 3
401. The two e-liquid inlets are aligned with the heating core 6 and allow the
e-liquid
to be drawn in. The heating core 6 comprises an e-liquid absorbent element 602
and a
heating element 601. The e-liquid absorbent element 602 is configured to
envelop the
outer surface of the heating element 601 and absorb the e-liquid efficiently.
The e-
liquid absorbent element 602 further seals the two e-liquid inlets 401 to
directly
absorb the e-liquid from the two e-liquid inlets 401. The lower end of the
mouthpiece
1 is inserted into the top part of the housing 3, and sleeved by the first
sealing member
2. The first sealing member 2 is used to seal the top end of the e-liquid
channel 301.
The mouthpiece 1 is aligned with the atomizing tube 4. The upper end of the
mouthpiece 1 comprises a smoke channel. The upper end of the atomizing tube 4
is
disposed into the smoke channel 101. The smoke channel 101 communicates with
the
heating chamber 405. The smoke vaporized by the heating core 6 is directed
into the
smoke channel 101 through the heating chamber 405, and then inhaled through
the
mouthpiece 1. The outer wall of atomizing tube 4 extends radially outward to
form a
protrusion 402. The protrusion 402 functions as the bottom wall of the liquid
chamber
301. The top part of the protrusion 402 extends into the e-liquid chamber 301
to form
a step structure 403. The step structure 403 comprises two grooves 404. The
two e-
liquid inlets 401 are aligned to and communicate with the two grooves 404,
respectively. When the e-liquid level in the e-liquid chamber 301 is below the
two e-
liquid inlets 401, the e-liquid is directed to the two grooves 404 and then to
the
heating core 6 through the two e-liquid inlets 401, preventing dry burns in
the heating
core 6, thereby avoiding a burnt taste. The second sealing member 5 is
disposed
between the atomizing tube 4 and the housing 3 to seal the bottom part of the
liquid
chamber 301. The lower end of the atomizing tube 4 expands radially and
extends
longitudinally to form both an air guide tube 406 and a first positioning step
407. The
bottom part of the housing 3 abuts against the first positioning step 407. The
first
positioning step 407 is used to control the insertion depth of the atomizing
tube 4 into
the housing 3, preventing excessive insertion. The outer wall of the air guide
tube 406
comprises an air inlet 408. The first conductive connector 8 comprises an
insert
section 801 and a protruding section 802 connected to the insert section 801.
The
insert section 801 is inserted into the air guide tube 406. The protruding
section 802 is
disposed outside the air guide tube 406. A joint of the insert section 801 and
the
protruding section 802 extends radially to form a second positioning step 803.
The
bottom part of the air guide tube 406 abuts against the second positioning
step 803.
11
CA 03233872 2024- 4- 3
The second positioning step 803 is used to control the insertion depth of the
insert
section 801 into the air guide tube 406, preventing excessive insertion. An
air guide
space is defined by the air guide tube 406, the insert section 801, and the
second
positioning step 803. The air inlet 408 communicates with the air guide space
409.
The outer wall of the insert section 801 comprises an air guide hole 805
communicating with the air guide space 409. The first conductive connector 8
further
comprises an air guide channel 804. The air guide hole 805 communicates with
the air
guide channel 804. The air guide channel 804 corresponds to and communicates
with
the heating chamber 405. When in use, external airflow is drawn into the air
guide
space 409 via the at least one air inlet 408, and then reaches the heating
chamber 405;
in the heating chamber 405, the heating element 601 heats the e-liquid,
producing
smoke; the smoke then flows through the heating chamber 405, entering the
smoke
channel 101, and is inhaled through the mouthpiece 1. The second conductive
connector 10 is disposed in the air guide channel 804. The first conductive
connector
8 and the second conductive connector 10 are electrically connected to the
heating
element 601, so as to provide electrical power to the heating element 601. The
insulating component 9 is disposed between the inner wall of the protruding
section
802 and the outer wall of the second conductive connector 10 to prevent short-
circuiting of the heating core 6. The e-liquid collection cotton 7 is disposed
within the
air guide channel 804. The e-liquid collection cotton is configured to absorb
both
condensation escaping from the heating chamber 406 and the e-liquid escaping
from
the heating core 6.
[0048] FIG. 4 is a cross-sectional view including arrows showing the direction
of
smoke in the atomizer of the disclosure. When in use, external airflow is
drawn into
the air guide space 409 via the at least one air inlet 408, and then passes
through the
air guide hole 805, entering the air guide channel 804; ultimately, the
airflow reaches
the heating chamber 405; in the heating chamber 405, the heating element 601
heats
the e-liquid, producing smoke. The smoke then flows through the heating
chamber
405, entering the smoke channel 101, and is inhaled through the mouthpiece 1.
12
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Example 2
[0049] In contrast to Example 1, as shown in FIG. 5, the outer wall of
atomizing
tube 4 extends radially outward to form the protrusion 402; the bottom part of
the
protrusion 402 is connected to the inner wall of the housing 3; the gap 410 is
formed
between the outer wall of the protrusion 402 and the inner wall of the housing
3; the
gap 410 corresponds to and communicates with the two e-liquid inlets 401. When
the
e-liquid level in the e-liquid chamber 301 is below the two e-liquid inlets
401, the e-
liquid moves into the gap 410, raising the e-liquid level beyond the two e-
liquid inlets
401, ensuring sufficient e-liquid absorption by the heating core 6 and
preventing dry
burns.
[0050] An electronic cigarette comprises the atomizer of any one of Examples
of the
disclosure.
[0051] It will be obvious to those skilled in the art that changes and
modifications
may be made, and therefore, the aim in the appended claims is to cover all
such
changes and modifications.
13
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