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Leak diagnosis system for evaporative emission control system 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F02M-033/04
  • F02B-077/00
출원번호 US-0168312 (1993-12-17)
우선권정보 JP-0337306 (1992-12-17)
발명자 / 주소
  • Kawamura Katsuhiko (Yokohama JPX) Kobayashi Masato (Atsugi JPX)
출원인 / 주소
  • Nissan Motor Co., Ltd. (Yokohama JPX 03)
인용정보 피인용 횟수 : 32  인용 특허 : 0

초록

A leak diagnosis system is provided for diagnosing a leak condition of an evaporative emission control system for an internal combustion engine. The leak diagnosis system receives a signal indicative of a pressure in the evaporative emission system and obtains a converged limit negative pressure in

대표청구항

A leak diagnosis system for an evaporative emission control system of an internal combustion engine, said leak diagnosis system comprising: a pressure detecting means for detecting a pressure in the evaporative emission control system and for outputting a signal indicative of the pressure of the eva

이 특허를 인용한 특허 (32)

  1. Fujimoto Takeshi,JPX ; Nakayama Masaaki,JPX ; Mukai Yasuo,JPX ; Dohta Hisayo,JPX ; Wakahara Keiji,JPX ; Morikawa Junya,JPX ; Miwa Makoto,JPX, Abnormality detection apparatus for preventing fuel gas emission.
  2. Cook, John E.; Perry, Paul D., Automotive evaporative leak detection system.
  3. Machida Kenichi (Atsugi JPX), Diagnosis apparatus and method in an apparatus for treating fuel vapor of an engine.
  4. Wakahara, Keiji, Diagnosis apparatus for detecting abnormal state of evaporation gas purge system.
  5. Weldon, Craig, Diagnostic apparatus and method for an evaporative control system including an integrated pressure management apparatus.
  6. Perry, Paul; Veinotte, Andre, Electrical connections for an integrated pressure management apparatus.
  7. Takashi Isobe JP; Manabu Niki JP; Takashi Iwamoto JP; Hiroyuki Ando JP; Kojiro Tsutsumi JP, Evaporated fuel processing system.
  8. Shinohara Susumu (Toyota JPX), Evaporative emission control system for an internal combustion engine.
  9. Hashimoto Akira (Wako JPX) Moriwaki Hideo (Wako JPX) Matsuzono Yoshiaki (Wako JPX) Fujimoto Sachito (Wako JPX) Kiso Satoshi (Tochigi-ken JPX), Evaporative fuel-processing system for internal combustion engines.
  10. Isobe Takashi,JPX ; Hara Fumio,JPX, Evaporative fuel-processing system for internal combustion engines.
  11. Yamazaki Kazumi (Wako JPX) Hara Takeshi (Wako JPX) Wakashiro Teruo (Wako JPX) Hidano Koichi (Wako JPX), Evaporative fuel-processing system for internal combustion engines.
  12. Iden, Noriyuki; Ito, Tokiji; Kohara, Yuichi; Hanai, Shuichi; Adachi, Shin, Failure test apparatus for fuel-vapor purging system.
  13. Saruwatari, Masayuki, Fuel supply control device for internal combustion engine and fuel vapor processing method.
  14. Perry,Paul D.; Cook,John E., Fuel system with integrated pressure management.
  15. Kobayashi, Shigemi; Kujirai, Kazuhiro; Misawa, Masahiro; Amano, Takafumi; Aoyama, Yousuke, Fuel temperature estimation device.
  16. Kawano, Akihiro, Fuel vapor treatment system with failure diagnosis apparatus.
  17. Perry, Paul D.; Cook, John E., Integrated pressure management system for a fuel system.
  18. Perry,Paul D.; Cook,John E., Integrated pressure management system for a fuel system.
  19. Takakura, Shinsuke, Leak diagnostic method for an evaporative emission control system.
  20. Kawamura Katsuhiko,JPX ; Kobayashi Hideaki,JPX, Leak diagnostic system of evaporative emission control system for internal combustion engines.
  21. Simmons, Walt, Method and apparatus for detecting a leak in a fuel delivery system.
  22. Mellone, Joseph A.; Boucher, Randall S., Method and apparatus for monitoring for a restriction in a stage II fuel vapor recovery system.
  23. Mellone, Joseph A.; Boucher, Randall S., Method and apparatus for monitoring for a restriction in a stage II fuel vapor recovery system.
  24. Mellone, Joseph; Boucher, Randall, Method and apparatus for monitoring for a restriction in a stage II fuel vapor recovery system.
  25. Mellone, Joseph A.; Boucher, Randall S., Method and apparatus for monitoring for leaks in a stage II fuel vapor recovery system.
  26. Blumenstock Andreas,DEX, Method for pneumatically checking the operability of a tank-venting system.
  27. Paul D. Perry CA; John E. Cook CA, Method of calibrating an integrated pressure management apparatus.
  28. Perry,Paul; Veinotte,Andre, Poppet for an integrated pressure management apparatus and fuel system and method of minimizing resonance.
  29. Dunkle, Gary L.; Mullins, Josh J.; Frank, Louis T., Small engine carbon canister with check valve.
  30. Cook, John E.; Perry, Paul D., Temperature correction method and subsystem for automotive evaporative leak detection systems.
  31. Cook,John E.; Perry,Paul D., Temperature correction method and subsystem for automotive evaporative leak detection systems.
  32. Cook,John E.; Perry,Paul D., Temperature correction method and subsystem for automotive evaporative leak detection systems.
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