Note: Descriptions are shown in the official language in which they were submitted.
2 ~L02~3
speoi~ic~
The ~re~nt ~ nventi~ relat~3e to a 611dt3 valve ~oc~ rdihg
to th~ preamble c~ clE~
guah valve~ a~e al~o nc:~in~tQd fillin~ sl~da Y~1~7e~ and
qompensatin~ ~llde valv~ The~ a~e ~rrang~d in a ~ypass
ln medium ~upplyin~ pipe~ e ~, g . hot ~ t apparat~ or
bla~ fu~n~e~ an~ ~onnect the pip~ ~n front of and
}~hind th~3 maln ~top Hllde v~l~e ~r th0 main ~top ~
~l~p with a pipe o~ about 200 ~o 400 m~n nominal 1~ th
whereln ~h~ main pip~ aompriEs~s a ~lgnif~o~n'cly larg~r
d~ ter. :rh~ ~ypa~8 ~lide ~ralv~a~ are opened prio~
aatuating the ~na~n ~31tde ~alve or m~in flap in o~der to
aahle~3 a compansat:i~n of pres~u~e and t~ ~n~bl~ ~n
opening ~ t~ hot ~la0t ~ vAlv~ w~th a small~r
forc~ And a corre~pond~ ngly ~r~alle~ ~ear at th~ ~liding
~reA~ the sliding plat~.
~hen li~ting the ~l~ding pl4te o~ ~h~a byE)~ valve
th~ ~edl~ low ~t high v~l~alty through the opaning
enlarging durlng ~he op~ning pr~e~3s ~hsrein th0 opening
is par~ mo~n ~hapa~ at the ~ inniltg an~ finall~ u-
lar aa~ordlng ~ ~he d~sign ~f the 611dirlg plat~, It i~
a ~l~;advantag~, ~h~t .~n par~lcular ~uring ~he fir~t
pha~e o~ ~h~ opening~ p~Dae~ c~u~s of t~ hi~h ~low
~r~lo~ity th~ ~o~taminan~E~ in ~hn m~dium 1~ }c~ xera~indera
o~ ~os~ fuel~ one~ an~ oth~r ~olid p~tialQ~ and
art~cles ~e c~arrle~ wl~h th~ ~tr~ and ~it th2 en~ of
thQ plpe ~3ak~t ~ac~n~ the ~tream a~ th~ outl~ sid~ arld
-- 2~2~33
ay~ lt. Th~ by~ llde va~v~, h~w~r, will no-t
clo~e pr~p~rly wi~h a dam~g~ ~eal whiah ~or pra~tle~l
r~aaon~ compri~e~ an a~taahed ~tallio ~o~l ~lth the con-
sn~u~nce, that tha ~lld~ valve i8 ~ub~ect ~o -~r~qu~nt
repair.
~her~fore i~ 1~ th~ ob~eat of ~h~ pra~nt invenkion ~o
Pur~her develop a ~lida val~e ~or ~e a~ a ~ypa~s ~lide
V~lv~ in medl~m ~upp~ylng pipes ~h, that damfl~e~ at
th~ seal ~a~ o~ ~he pipa soc~e~ ~t th~ outlet ~idH by
~ol~d aont~mln~nts ~rrle~ wlth ~h~ m~dlum ~re avoideq.
~he ob~t 1~ attained by ~ ~lld~ valve a~aording t~ the
preamb~e compri~ing the ~h~r~ctffrl~ing ~ ur~ o~ t~e
t)atent a~a~ m
~rh~ eE~e~ o~ th~ coniclnl tap~rlng of the pipe ~ocket at
the ~nlet ~lde if3 ~uah, that the medium ~low i~ t~p~r~
lik~ in a ~t ~nd that t~e solid aontaminant~ ~re p~ed
by the ~aling a~e~ th~ op~o~ito pipe ~e~ket without
damagin~
~h~reln it 1~ adv~nta~ou~, that the in~ ack~t oP
the pipe BOC~ inalined i~ r~lation ~o ~he middle
axi6 in an ~n~l~ of ~out 2' to 4~, wh~roin ad~Ant~geouR-
ly th~ large~t innRr ~iamater o~ the pipe 60~e~ ~ th~
inlet sld~ ~s ab~ut ~ual to thn inn~r diA~eter o~ t4
plp~ soaket a~ the ~ut~et 6ide~
~herQby ~ e gulding o~ the ~ir str~am ~lon~ th~
~e~llng a~e~ chi~ved.
F~r practlaal rea~n~ the end o~ t~e pipe ~k~t faa~ng
th~ ~liding plate a~mpri~e~ a ~ix~t annula~ ~eRl at the
outl~t ei~e an~ ~ ~eaond appr~xi~ately annula~ ~eal i~
arrang~d at the ~lid~ng pl~t~, th~ ~econd ~e~l ~e~ yl~
coo~er~ti~g with ~he *ir~k annular ~eal in th~ clo~ed
`` 2102~33
positlo~ o~ ~he ~ ln~ pl~te whe~eln a~van~Rgeo~ly ths
~a~ g cc:n~l~t o~ metalliC materlal wherein acivant~e.gec)u~
ly the me~allio mater~al 1~ ~tainles~ 6~eel. A~ an alter-
n~t:l.v~ se~ul, th~t th~3 ~ir~t armul~r ~eal con~l~;t
o~ metalllc m~t;erlal and ~hat th~ ~l3aond annular ~eEIl
con~i~t o~ an ela~ non ~talli~ m~terial, ~herein ~he
el~6~i~ non met~llic m~t~rlal ~dvanta~eo~ly i~ ~llicone
rubbe~
Th~reby an accur~te ~0allng o~ the ~lide valve in th~
~l~sed pe~lt~on i~ ~taine~.
It ha~ been proYon u~e~ul, that the ~lidln~ pl~t~ com-
pri~e~ All ap~roximat~ly aircul~r op~nin~ wlth th~ ~lame-
ter thereo~ about ~nal to the ~mall~t inn~r di~e-~er
o~ the pipe ~oa~et at the lnlet ~lde. ~h~ lid~ valve~
as ~uch Ar~ ~nown and are al~o nominated ~pe~taale ~ype
~lid~ v~lva~ Th~ ope~ing i~ l~ca~d in ~h~ area o~ the
~llding plate which i~ arrang~d ~p~ca~ ~par~ from the
~ in~ rod, wh~rain t~e ann~l~r ~eal i~ ~ranged
hetwe~n th~ openlng ~n~ th~ t~ni~g poi~ the li~-
tlng rod. Con~e~ntly the ~ e valve 1~ opened by a
mov~men~ of the ~ lng rod dl~e~t~d ~ay ~ro~ the plpe
~ocke~. For p~actlcal re~on~ ~he ~ovRmQnt ~E ~he li~
ting roq iB R~alned Py Rn hydrAUlia cylinder ~r~nged
~t ~he hou~ing.
A~ an adv~n~ e ~ de~ice i~ provl~ed ~o~ m~ng the
~1 ldlng plate in parallel with the ~iddle axis of th~
pi~e ~oolce'c~ . For practlaal re~on~ i l; 1~ provl~Secl, tha t
th~ d~ e compri~a~a ~ki~ rall~ ar~nged in parallel
with tlle ll~ ng rod with ~he ~kl~ rRil~ ingly ~n-
compnFIE;ing the la1~eral edge~ o~ llding pla~e, and
that the ~kid rail~ ar~a movable in par~llal wikh th~
mid~le ~xl~ by li~ting devla~ arra~ged at tl~e housin~,
whe~r~ln 1~ i~a pref~r~y provlded, th~t the llf~ g
deviae~ co~np~i~e at 1QE~ two ~luil~l opera~e~ ing
-` 2~2~3~
-- 4 --
motor~ for ~c3h ~skid r~il wlth ~he ~istt~n rodf~ o$ the
ll~ting m~tore3 conneoted with ths ~kid rail ~nd with th~
~ylinder~3 o~ ~he li~ting motc:~rE~ oonn~c~3d with the
hou~ ing .
~!h~ eEEec:t o~ thl~ devlc~ u::h, t:h~t prio~ to a~tu~-
~lng the li~tlng r~d t~ ing plate i~ ted from
the ~eE~li.ng are~ o~ the pipe ~ocket At ~he outl~t slde
~y a r~ lvely ~mall ~istR~c~e ~ Q . g, 7 mm w~t~h E~ le
v~lY~3 Oe El nomlnal ~ th o~ 300 mm, ~nd that the ~ lin~
~late i~ m~ved f3quarel~ to the ml~dl~ axi~ e~ the pip~
socke~ wlthout ~ ~riction aon~aot with the ~w~ ~al ing
a3: ea~ .
~I'her~by ln p~rticulAr ~h~ nsitlvR ~llicJon~ rul~bqF
seal~ ar~ prevented from damage ~nd the E~ra~ to be
Appll~3d at the liE~ing rod i~ ~nly ~;~all.
.
An advantageou mbodlmerlt o~ the inventlt~n 1~ now
~urther exp:l~lned r~t~erring to ~ dr~wlng. I~ u~trate~
ln:
Fi~lr 1 a section through th~3 par~ o~ the ~ le valve
rlalsv~TIt ~o~ the in~ntlon, in
F~gur ~ a vl~w in dl~eatlon oi~ A in Fi~ur 1, in
Figur 3 fl ~3~ctiorl ~long the line I - I in ~igur ~ in an
enlarged ~c~aln.
Re~erring now to Fi~llr :l a t3lid~ ~alY~ 10 com~ri~e~ a
hou~ing 11 d~igned ~ a weldlng c:on~Y~ru~t~on, a circ~
lRr pipe ~oak~t 15 ~ the inl~at ~lde, whQrein thQ meaium
Plow~ in dirsation o~ ~h~ a~row ~, a ai~cular plp~
~ock~t l~ ~t th~ o~ t ~idQ, th~ pipe ~oc~e~ 15 and 16
aompriRin~ a oommon mid~le axl~ M, ~nd a ~liding plata
12 with an approxilqate~ly cir~oular openlny 13 and A
~la~33
- 5 -
lng rod l~ t~ned in the ~lp~r area o~ ~he li~ting
plate 12, ~he li:Eting rod movable in dlrection o~ the
double ~rrow B ):~y meanE3 ~ A hydrEIullc aylinder ( not
shown), in order to mov~3 the ~l~ding ~l~te 12 ~r~m the
trat~d alosed po~itlon lnto E~n op~n posi~ion ~uch,
that the mlddle axls M' of th~ opening 13 a~incide~; wi~h
the ml~dle~ axis ~.
l'he lnner j~c~k~t: o~ the pip~ e~oc::ket 15 1~ incllned in
rel~tion to ~he middl~ axl~ ~q by an ~ngle a auoh, that
it ls tAp~r~d in dirs~ation ~c~ th~ ~lldiny plat~ 12.
T~at~rally the ~lldlng plat~3 12 1~ lngly ancoml?a~d
by ~wo E~kld relllR 1~, 17'suoh, th~t it ls guided ~y the
~kid railE; when moving ln ~irec~ioll o~ th~ double arrow
B.
~he ~kid r~ 17, 17'~re l3aoh c:anneate~ wl~h two hydrau-
l~c ll~ing devla~ 18, 18r, 19, 19' ~uch, that th~a
liP~ing piStOnB elr6~ ~ecured at ~he ~kid rall~ 17, 17'
an~ the li~tlng c~linders are s~cu~ed at the hou~ng 11.
In Figur 2 tl~e hou~ing ll i~3 l}lu~tra~lad ~i~h the li~-
tin~ de~rlna~ lB~ , 19~ l~t ~hown e.t th~ ~ron~ ~;ide
~hereof . Th~ ~liding plate 12 1~ ~ho~n in ~h~ clvt3;~3d
poe:~tion l n ~rok~n l1neEI ~ ~he~1 n tha op~3ning 13
belo~ ~ha pipe socket 15.
I.at~rfllly ~ he ~lidins~ plate 12 tho ~k~d rRil~ 17, 17
~e shown ln br~ken 1 lr~
~h~ plpe ~oak~t 15 i~ ~ncompa~e~ by ~ ~lange 20 ~t the
outer and th~reo~ with ~oring~ t ~own ~ p~vi~le~l ~or
connectlng ik with ~ ~lançl~ o~ a pipe . ~t t}~e opposlte
~i~e the~e i~ ~ corre~on~lng ~lan~.
2~0~33
-- 6 --
J
In an enle.rge~ ~saE~ lgur ~ ~llu~trA~eE~ a~lon
through a ~aI~t o~ the holl~lng 11, the E~kid rail 17, ~he
sliding pla~Q ~2, the plpe ~ock~ with an inalin~tlo
~ngl~ a, th~ l~r~0t diamet:~r D and thQ smalle~t diame-
ter 1)', the plpe ~oaket 1~ with the ~ ter D~, the
~lange 20, and the llfl:ing de~ia~
'I!he ~lidlng pl~te ~ E3hown in ~ po~l~lon, whe~ he
ing devi~es ha~ llfted i~ ~rom ~e ~eat ~}~e~o:e at
~h~3 pipe ~ocket l~i by a di~tAnce d.
At the plp~ ~oak~t 16 th~r~ 1~ an annular s~al 21 o~
~lnle~ ~t~l an~ at the slid~n~ plat~ 12 ~h~r~ a
aorrespondingly F:hapoll annular se~ll 22 Ci~ ~ilicon~
rub~r o~ an rain~raed ~ealing arf3a o~ ~tainl~ te~31.
'rhe ~eal~ 2 s~3~1ingly cooper~te in ~h~ closed p~
~l~n ~her~in they nX~ pr~ed tow~rd# eac~h oth~ y the
p~ 3ur~ impac~;lng nn t~ ~l i ding ~ t~ la,
