[특허]Double seat valve with leak control

Double seat valve with leak control 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16K-011/20 F16K-051/00
출원번호	US-0962148 (1978-11-20)
우선권정보	DE-2751732 (1977-11-19); DE-2751734 (1977-11-19)
발명자 / 주소	Schdel Hermann (Piwittsheide 6 5843 Ergste DEX) Heinz Franz (Feuerbachstr. 44 4618 Kamen DEX)
인용정보	피인용 횟수 : 28 인용 특허 : 0

초록 ▼

In a double seat valve with leak control, two valve discs are located within a housing and each is movably displaceable between an open position and a closed position by adjusting devices. The valve discs are shaped to form a hollow space between them. One adjusting device moves one of the valve discs into the open position and into contact with the other valve disc and displaces the other valve disc into the open position. Each valve disc has a separate adjusting device for displacing it into the open position but not into contact with the other valve disc. A shaft is connected to each valve disc and the adjusting device or devices moves the disc via its shaft. One of the shafts is tubular and its hollow interior is connected to the hollow space defined by the valve discs and provides a leaking liquid line from the hollow space. In one embodiment, a cleaning medium supply line is located in the tubular shaft and supplies cleaning medium into the hollow space from a nozzle.

대표청구항 ▼

Double seat valve with leak control comprising a housing, a first valve disc located within said housing, an axially extending first shaft connected to said first valve disc, first means connected to said first shaft for movably displacing said first valve disc in the axial direction of said first shaft between a closed position with said first valve disc in sealed contact with said housing and an open position with said first valve disc spaced out of surface contact with said housing, a second valve disc located in said housing opposite said first valve disc, an axially extending second shaft connected to said second valve disc with the axes of said first and second shafts disposed in parallel relation, second means connected to said second shaft for movably displacing said second valve disc in the axial direction of said second shaft between a closed position with said second valve disc in sealed contact with said housing and an open position with said second valve disc spaced out of contact with said housing, said first valve disc being displaceable by said first means into the open position wherein said first valve disc is movable into contact with said second valve disc and said first and second valve discs being shaped to define therebetween a hollow space, a leakage liquid line being open at one end to said hollow space and at the opposite end to the exterior of said housing, wherein the improvement comprises that said first and second shafts being in general axial alignment and being spaced apart in the axial direction, said first and second valve discs being in spaced relation when each is in the closed position with said first valve disc being movable from the closed position toward said second valve disc into the open position and said second valve disc being movable away from said first valve disc in the closed position when said second valve disc is moved from the closed position into the open position, a spring biasing said second valve disc into the closed position, said first means includes a first adjusting device for moving said first valve disc into the open position and into contact with said second valve disc and for moving said second valve disc into the open position against the biasing action of said spring, said first means also includes a second adjusting device operable separately from said first adjusting device for moving said first valve disc independently of said second valve disc into the open position with said first valve disc spaced out of contact from said second valve disc and forming in combination with said housing an annular gap open to the space between said first valve disc in the open position and said second valve disc in the closed position, and said second means includes a third adjusting device operable separately from said first and second adjusting devices for moving said second valve disc independently of said first valve disc against the biasing action of said spring into the open position forming an annular outlet opening between said second valve disc and said housing opening to said hollow space with said first valve disc in spaced relationship to said second valve disc so that the area of the outlet opening is not greater than the transverse cross-sectional area of said leakage liquid line open to said hollow space.

이 특허를 인용한 특허 (28)

Knappe Herman E. (Cedar Rapids IA) Scott James W. (Marion IA), Actuator mechanism for double-block and vent valve.
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Peters Clifford M. (Longview TX), Block valve.
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Coura Herbert Robert,DEX ; Schreiber Jurgen,DEX, Device for the drive system for double seat valves.
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Hoiss Jakob (Ruffinistrasse 8/I D-8000 Munich DEX), Diaphragm valve.
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Mitchell Richard A. (Portland CT) Buchanan Joseph R. (Portland CT), Double block and vent valve system.
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Balsys Manfred (Biberach DEX) Kling Dieter (Biberach DEX) Maier Hans (Laupheim DEX) Miller Franz (Biberach DEX) Schmid Walter (Ummendorf DEX), Double poppet valve.
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Ozawa Kaoru,JPX, Double sealed valve.
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Rasmussen Erik (Kolding DKX) Lundquist Gunnar (Hoerby SEX) Lading Stig (Kolding DKX), Double seat valve.
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Burmester Jens,DEX, Double seat valve with cleanable seats.
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Brkelmann Wolfgang (Unna-Uelzen DEX), Double seat valve with two valve disks.
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Pankov Ivan (Willowbrook IL), Double-seal flexible gate valve.
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Brkelmann Wolfgang (Unna-Lnern DEX) Smusch Gnter (Werne DEX), Double-seat valve unit leakage control.
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Ashton Roger J., High temperature/short time pasteurization system and method of cleaning.
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Maglica Anthony, Holder clamp assembly.
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Maglica Anthony (Anaheim CA), Holder clamp assembly.
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Brackelmann Wolfgang,DEX ; Scholz Klaus,DEX ; Fischer Norbert,DEX, Leak resistant, switching, double valve system.
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Brakelmann, Wolfgang, Method of and device for cleaning hollow spaces in double seat valves.
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Krull Walther (Lbeck DEX) Khn Dieter (Neustadt DEX) Schiller Wolf-Dieter (Lbeck DEX), Multiport disk valve, especially for dust-remover duct systems.
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Mases Per E. (MalmSEX) Lundquist Gunnar (MalmSEX) Nyqvist Harry (Tullinge SEX) Carlsson Torsten (Sdertlje SEX), Non-mixing valve.
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Mieth Hans O. (Buchen DEX), Procedure for cleaning a double seat valve and valve arrangement for implementing the process.
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Mieth Hans O. E. (Hamburg DEX), Process for the simultaneous cleaning of both seat surfaces of a double seat valve with a product action on at least one.
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Fuhr, Guenter R.; Zimmermann, Heiko; Hoffmann, Klaus-Peter, Protective suit for use in a cooling chamber.
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Favonio Angelo,ITX, Simplified valve actuating device for dental equipment.
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Steenburgh John Howard, Steam turbine valve disk vibration reducer.
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Melgaard Oluf (Odder DKX), Stop or switch valve for fluids.
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Sondergaard Bjarne,DKX ; Schneiderreit Per,DKX ; Lindholm Jensen Karl-Age,DKX, Stop valve.
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Ruesch J. O. (Fabrikweg CH-8634 Hombrechtikon CHX), Valve stem seal leak protection and detection apparatus.
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Scheible Werner,DEX ; Du Tai Luong,DEX, Valve, particularly double-seat valve.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Double seat valve with leak control 원문보기

초록 ▼

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이 특허를 인용한 특허 (28)

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Double seat valve with leak control 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (28)

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