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Leak test system 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01M-003/28
출원번호 US-0833213 (1997-04-14)
발명자 / 주소
  • Woodbury H. Allan
  • North James R.
출원인 / 주소
  • Woodbury Leak Advisor Co.
대리인 / 주소
    Thorpe, North & Western, L.L.P.
인용정보 피인용 횟수 : 31  인용 특허 : 0

초록

A leak test system is disclosed for a double block and bleed valve arrangement, the system including a second vent valve disposed along the bleed line and a secondary gas supply line connected to the bleed line for introducing gas at a known pressure into the bleed line to test the valves and ensure

대표청구항

[ What is claimed is:] [1.] A leak test system for a double block and bleed valve arrangement having first and second safety shutoff valves disposed along a gas supply line, and a vented bleed line extending from the gas supply line between the first and second safety shutoff valves with a vent valv

이 특허를 인용한 특허 (31)

  1. Stuart, Aaron, Bi-fuel and dual-fuel automotive combustible gas detection apparatus and method.
  2. Young, Gregory; Kucera, David; Kasprzyk, Donald J.; Super, Willem; Praat, Jos; Thiewes, Roelof; van der Mei, Hans M.; Zabel, Brian; Mitchell, John D., Burner control system.
  3. Young, Gregory; Kucera, David; Kasprzyk, Donald J.; Super, Willem; Praat, Jos; Thiewes, Roelof; van der Mei, Hans; Zabel, Brian; Mitchell, John D., Burner control system.
  4. Komai, Tetsuo; Kawamura, Kohtaro; Tsuji, Takeshi; Nakamura, Rikiya; Okuda, Kazutaka; Ishikawa, Keiichi; Ohashi, Tomonori; Takemura, Yoshiro; Muroga, Yasutaka; Nishikawa, Tadakazu; Shirao, Yuji, Combustion type waste gas treatment system.
  5. Komai, Tetsuo; Kawamura, Kohtaro; Tsuji, Takeshi; Nakamura, Rikiya; Okuda, Kazutaka; Ishikawa, Keiichi; Ohashi, Tomonori; Takemura, Yoshiro; Muroga, Yasutaka; Nishikawa, Tadakazu; Shirao, Yuji, Combustion type waste gas treatment system.
  6. Strand,Edward James; Dawley,James Michael, Container leak detection apparatus and method.
  7. Ramirez, James; Dorsey, Edward; Zich, Thomas; Wagner, Dennis, Double block valve with proving system.
  8. Ishida, Michiyasu; Kitagawa, Hirotoshi, Gas internal combustion engine gas leak checking device and method for same.
  9. Kucera, David; Young, Gregory; McCarthy, Tim; Yuen, Patrick, Gas valve with communication link.
  10. Young, Gregory; Kucera, David; Kasprzyk, Donald J., Gas valve with electronic cycle counter.
  11. Kucera, David; McCarthy, Timothy; Young, Gregory; Kasprzyk, Donald J.; Praat, Jos; Manoogian, Carl; Yuen, Patrick, Gas valve with electronic health monitoring.
  12. Kucera, David; McCarthy, Timothy; Young, Gregory; Kasprzyk, Donald J.; Praat, Jos; Manoogian, Carl; Yuen, Patrick, Gas valve with electronic health monitoring.
  13. Young, Gregory; Kasprzyk, Donald J., Gas valve with electronic proof of closure system.
  14. Kucera, David; Kasprzyk, Donald J.; Young, Gregory; Praat, Jos; Kejik, Pavel, Gas valve with electronic valve proving system.
  15. Young, Gregory; Kasprzyk, Donald J.; Kucera, David; Praat, Jos, Gas valve with electronic valve proving system.
  16. Young, Gregory; Kasprzyk, Donald J.; Kucera, David; Filkovski, Gregory Todd; Yuen, Patrick; McCarthy, Tim; Welker, Patrick; Zabel, Brian, Gas valve with fuel rate monitor.
  17. Young, Gregory; Kasprzyk, Donald J.; Kucera, David, Gas valve with high/low gas pressure detection.
  18. Kucera, David; Young, Gregory; Kasprzyk, Donald J.; Filkovski, Gregory Todd, Gas valve with overpressure diagnostics.
  19. Kucera, David; Young, Gregory; Kasprzyk, Donald J.; Filkovski, Gregory Todd, Gas valve with valve leakage test.
  20. Ritter, John Albert; Trinh, Joe; Grunauer, Anthony Alan, Leak detection system.
  21. Hsieh, Tsung-Chi, Liquid supply or drain pipe equipped with a leakage detector.
  22. Yanagisawa Takahiro,JPX ; Hirota Naoshi,JPX, Method and apparatus for automatically detecting gas leak, and recording medium for leak detection.
  23. Engesser, Hermann, Method for operating a fuel supply for a heat engine.
  24. Han, Kung-don; Kim, Young-ki; Kim, In, Method of automatically inspecting internal gas leak and method of manufacturing LED chip.
  25. Balke, David J.; Hoffman, Jacques E., Reducing thermal effects during leak testing.
  26. Super, Willem, Regulating device.
  27. Super, Willem, Regulating device.
  28. Endel, Petr; Kasprzyk, Donald; Kucera, David; Young, Gregory, Valve controller configured to estimate fuel comsumption.
  29. Young, Gregory; Kasprzyk, Donald J., Valve over-travel mechanism.
  30. Kucera, David, Valve with actuator diagnostics.
  31. Everhart, William Duke, Water system leak detection.
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