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특허 상세정보

Valve control apparatus and method

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16K-017/22   
미국특허분류(USC) 137/12 ; 137/487 ; 137/488 ; 137/489
출원번호 US-0558272 (1975-03-14)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 27  인용 특허 : 0
초록

An apparatus and method for controlling a fluid pressure actuated valve are provided whereby the valve inlet pressure and valve outlet pressure are applied to control and limit the valve outlet pressure and to substantially reduce the fluid pressure applied to the valve actuating means when the valve inlet pressure is below a preselected safe value.

대표
청구항

Apparatus for controlling the flow of fluid through a main conduit means, said apparatus comprising: a valve means for controlling flow through said main conduit, said valve means comprising an upstream inlet portion, a downstream outlet portion, a valve element adapted to vary the restriction to flow from said upstream inlet portion to said downstream outlet portion, and pilot pressure inlet means for applying fluid pressure to said valve element to exert a closing force on said valve element; first conduit means, in fluid communication with said upstre...

이 특허를 인용한 특허 피인용횟수: 27

  1. Masias, Justin Lane; Scheffler, Douglas James; Nguyen, Tung K.; Bagby, James Curtis. Adjustable deadband control system. USP2017099760097.
  2. Oksanen, Kari Juhani; Payot, Marc Norman Ferrer. Automatic flow control system and apparatus. USP2016039298189.
  3. Oksanen, Kari Juhani; Payot, Marc Norman Ferrer. Automatic flow control system and apparatus. USP2016039298190.
  4. Cheron, Bruno Jean Michel; Winston, Garrett; Scheffler, Douglas J.. Backpressure regulator with easy pump start-up. USP2015119176505.
  5. Spitzer, Artur. Control system. USP2013048418715.
  6. Gemignani Francois (14 Lotissement du Pati Martigues ; Bouches-du-Rhone FRX). Device for sensing pressure and governing the operation of safety valves. USP1980044200116.
  7. Warzel F. Morgan (Bartlesville OK). Discharge of solids. USP1983084397731.
  8. Deng, David. Dual fuel control device with auxiliary backline pressure regulator. USP2015059022064.
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  10. Deng, David. Dual fuel heater with selector valve. USP2017099752782.
  11. Nichols Jimmy Brooks. Enclosed indicator for a piston in a control valve. USP2000036041815.
  12. Karmel Amir (Birmingham MI). Flow control valve. USP1986054586536.
  13. Deng, David. Heating system. USP20180910073071.
  14. Deng, David. Heating system. USP2017089739389.
  15. Taylor Wesley. Modulating relief valve. USP2000126161571.
  16. Gavrila Gelu N. (Parsipanny NJ). Non-flowing modulating pilot operated relief valve. USP1990094957136.
  17. Scott Gary L. ; Bonzer William Jacob ; Jensen Frank E.. Pressure unloading pilot operated regulator having pressure limiting check valve. USP1998105816286.
  18. Zirps Wilhelm (Hemmingen DEX). Pressure valve. USP1982104354517.
  19. Brahler, II, Richard W.; Kunau, Daniel J.. Quick-release valve air gun. USP2015079080832.
  20. Kunau, Daniel. Rapid opening gas valve. USP2015059033306.
  21. Lugo, Mario R.. Safety relief valve system for use with subsea piping and process for preventing overpressures from affecting the subsea piping. USP2014118893803.
  22. Super, Willem. Servo gas system, gas burner and method for operating the gas burner. USP2018039927121.
  23. Ligh Jone Yen (12634 Ashford Pine Dr. Houston TX 77082). Tank blanketing valve. USP1991024991620.
  24. Kunau, Daniel. Tubeless tire seating device. USP2017059649897.
  25. Hurwitt ; deceased Steven D.. Vacuum processing apparatus with low particle generating vacuum seal. USP2000036032419.
  26. McCarty,Michael Wildie. Variable vent diffuser. USP2006077080656.
  27. French, Clive. Venting gas from a tank. USP2015109162775.