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특허 상세정보

Pressure vacuum relief valve

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B65D-051/16   
미국특허분류(USC) 137/4936 ; 220/203 ; 137/4939
출원번호 US-0804141 (1977-06-06)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 11  인용 특허 : 0
초록

A pressure control valve assembly includes a valve housing having a spring loaded, resilient valve element with reversely curved conical surfaces thereon one of which is seated on a fixed, annular pressure relief seat by a first spring element and the other of which is seated against a spring biased ball check valve that controls flow through a central opening in the valve element defining a vacuum relief path.

대표
청구항

A pressure vacuum relief gas cap including a closure for sealing between a first source of pressure and a second source of pressure, a valve housing on said closure having a bore therethrough, wall means in said housing including a fixed valve seat forming an opening between said first and second sources of pressure, a seal element having an apex and a skirt of conical configuration, means including a movable carrier connected to said apex and a compression spring located coaxially of said seal element and against said carrier for supporting said skirt c...

이 특허를 인용한 특허 피인용횟수: 11

  1. Muth Manfred Karl Joachim,DEX ; Palvolgyi Sandor,ATX. Filler neck cap assembly. USP2000056056140.
  2. Nicosia, Tony; DeRuyter, Craig; Dietzler, Ken; Lienenkamp, Joerg. Flush-mount fuel cap with valve. USP2014088807375.
  3. Parsch, Willi. Hydraulic power steering system with charging valve and air cushion in the tank. USP2014028657590.
  4. Huynh Tho,GBX. Pressure relief valve. USP2000026026848.
  5. Harris Robert S. (Connersville IN). Pressure valve assembly for a fuel tank filler neck cap. USP1985024498493.
  6. Shoff Bernell D. (Windsor PA). Remote control apparatus for a machine such as a crane. USP1985044508014.
  7. Myer, Andrew; Ponnathpur, Chetan; Heichelbech, John; Muntean, George; Holl, Stephen; Burke, James F.; Anthis, John; Chakrabarti, Joydeep; Simmons, Brandon; Schmidt, Niklas; Birari, Yogesh V.. Urea injection systems valves. USP2018049938875.
  8. Myer, Andrew; Ponnathpur, Chetan; Heichelbech, John; Muntean, George; Holl, Stephen; Burke, James F.; Anthis, John; Chakrabarti, Joydeep; Simmons, Brandon; Schmidt, Niklas; Birari, Yogesh V.. Urea injection systems valves. USP2016089422850.
  9. Muntean, George; Pawar, Nachiket; Inala, Kundana; Holl, Steve; Apewokin, Stephanie; Gosselin, Cynthia; Myer, Andrew; Burke, Jim F.; Heichelbech, John. Urea solution pumps having leakage bypass. USP20181010087804.
  10. Ottung Kaj (No. 8 Askebyvej 2830 Virum DKX). Valve assembly for the supply of a pressurized gaseous fluid to closed containers. USP1985084535806.
  11. Underwood ; III William D.. Vent device. USP1998115836351.