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특허 상세정보

Vent valve and method of use

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16K-017/06    F16K-031/122    F16K-001/38    E21B-034/00    F16K-017/10   
출원번호 US-0669442 (2015-03-26)
등록번호 US-10006553 (2018-06-26)
우선권정보 GB-1406245.9 (2014-04-07)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Blank Rome, LLP
인용정보 피인용 횟수 : 0  인용 특허 : 28
초록

A vent valve comprises a valve housing defining a vent port and a valve member mounted within the housing so as to define a fluid system chamber and an activation chamber with the housing. The valve member is biased towards a closed position, in which fluid communication between the fluid system chamber and the vent port is prevented, by fluid pressure within the fluid system chamber acting on the valve member. The valve member is biased towards an open position, in which there is fluid communication between the fluid system chamber and the vent port, by...

대표
청구항

1. A lubricator stack vent valve for controlling venting of a fluid from a lubricator stack, the lubricator stack vent valve comprising: a valve housing comprising a lubricator stack chamber and a first bore which opens into the lubricator stack chamber, wherein the valve housing is configured to be secured to the lubricator stack to present the lubricator stack chamber in communication with the lubricator stack, the valve housing defining a vent port in communication with the first bore;a valve seat defined at an interface between the first bore and the...

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  10. Lonnes,Steven B.. Fluid control devices. USP2008047357151.
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  12. Cho Hyung J. (Changwon KRX). Holding check control valve. USP1996075540258.
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  14. Heusser Martin,DEX. Load holding valve. USP1999125996466.
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  19. Laichinger Martin (Ebersbach DEX) Scheffel Martin (Vaihingen-Enzweihingen DEX). Pressure holding valve. USP1993085233910.
  20. Wada Hideo (Fujisawa JPX) Morita Izuru (Sagamihara JPX). Relief and make-up valve assembly. USP1980044199004.
  21. Bobnar Louis R. (Sarasota FL). Reverse differential holding valve. USP1979104172582.
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  23. Morisako Noritaka,JPX ; Mori Shizuo,JPX. Speed controller with pilot check valve. USP2000106131610.
  24. Matsui Hideyuki,JPX ; Enoki Masatoshi,JPX ; Kato Tsutomu,JPX ; Masatake Tetsuo,JPX ; Ooshima Toshiyuki,JPX. Temperature-actuated valve device and flow passage switching valve using such device. USP1999035878949.
  25. Edwards Nicholas P. ; Summers Paul ; Lafayette Donald. Two stage variable flow valve assembly. USP1999035878992.
  26. Tseng Raymond R. ; Abel Stephen G.. Two-stage, warm-gas high pressure regulator. USP1999126006780.
  27. Flaschar ; Heinz ; Kleinschmidt ; Heinz ; Kroll ; Peter ; Fischer ; Gunt er. Two-way pressure-control valve. USP1978054089344.
  28. Crumb Donald A. (Granger IN). Vented screw-in proportioning valve. USP1992095144976.