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Evaporative emission system diagnostic 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F02M-037/04
출원번호 US-0747238 (1991-08-12)
발명자 / 주소
  • Gross Rainer P. (Union Lake MI)
출원인 / 주소
  • General Motors Corporation (Detroit MI 02)
인용정보 피인용 횟수 : 32  인용 특허 : 0

초록

The evaporative emission control system of an internal combustion engine is tested by closing the purge air inlet from the atmosphere, applying a vacuum signal to the system, storing the value of a closed loop air/fuel adjustment at the time the vacuum signal is first applied, sensing for the vacuum

대표청구항

An evaporative emission control system for a vehicle having an internal combustion engine with an intake manifold, a fuel supply reservoir having a vapor space, means for delivering air and fuel to the intake manifold to be drawn into cylinders for combustion, and a closed loop air/fuel ratio contro

이 특허를 인용한 특허 (32)

  1. Cook John,CAX ; Weldon Craig A.,CAX ; Perry Paul D.,CAX ; Rasokas Raymond,CAX, Automotive evaporative emission leak detection system and method.
  2. Benjey Robert P., Detecting vapor leakage in a motor vehicle fuel system.
  3. Fabre, Laurent; Calvairac, Pierre, Diagnosis of components used for leak detection in a vapor handling system.
  4. Lampert Jordan K. ; Kouznetsov Andrian I. ; Wong Jacob Y. ; Heck Ronald M. ; Steger John J. ; Robertson Arthur Bruce ; Moser Jeff H., Dynamic infrared sensor for automotive pre-vaporized fueling control.
  5. Stockbridge, Michael; Reason, John R.; Steele, John T., Engine throttle position sensor calibration.
  6. Malcolm James Grieve ; Stephen F. Majkowski ; Kenneth M. Simpson ; Michael J. Steckler ; Carelton Williams, Enhanced vacuum decay diagnostic and integration with purge function.
  7. Takashi Isobe JP; Takashi Yamaguchi JP; Satoshi Kiso JP, Evaporated fuel treatment apparatus for internal combustion engine.
  8. Shinohara Susumu (Toyota JPX), Evaporative emission control system for an internal combustion engine.
  9. Mieczkowski Daniel ; Hasenberg Mark J. ; Becker Thomas P. ; Crass Matthew M. ; Braun Robert D. ; Gisske Edward T. ; Caldwell Donald J., Evaporative emission tester.
  10. Mieczkowski Daniel ; Hasenberg Mark J. ; Becker Thomas P. ; Crass Matthew M. ; Braun Robert D. ; Gisske Edward T. ; Caldwell Donald J., Evaporative emission tester.
  11. Shigetaka Kuroda JP; Kazutomo Sawamura JP; Masayoshi Yamanaka JP; Hiroshi Maruyama JP; Masataka Chikamatsu JP; Shoichi Nemoto JP; Takeshi Suzuki JP, Evaporative fuel-processing system for internal combustion engines.
  12. Dawson Gary D., Evaporative system leak detection for an evaporative emission control system.
  13. Saito, Kenji; Kanao, Hidetsugu, Fault diagnosis apparatus of fuel evaporation/dissipation prevention system.
  14. Shinohara Susumu (Toyota JPX) Teraoka Katsuhiko (Toyota JPX), Fault diagnostic apparatus for evaporated fuel purging system.
  15. Itoi,Makoto, Fuel flow rate measuring apparatus for an internal combustion engine.
  16. Reddy Sam Raghuma, Fuel reid vapor pressure estimation.
  17. Akita, Minoru; Miyabe, Yoshikazu; Tagawa, Naoyuki; Kimoto, Junya, Fuel vapor processing apparatus.
  18. Reddy Sam Raghuma, Fuel vapor storage and recovery apparatus and method.
  19. Reddy Sam Raghuma ; Rich Gregory Earl ; Labus Gregory Edward ; Mc Carthy Timothy E., Leak detection for a vapor handling system.
  20. Fabre, Laurent, Leak detection in a closed vapor handling system using a pressure switch, temperature and statistics.
  21. Huls Thomas Allan, Method and system for estimating fuel vapor pressure.
  22. Veinotte,Andre, Method for determining vapor canister loading using temperature.
  23. Nankee ; II Robert J. (Canton MI) Moote Richard K. (Ann Arbor MI) Dupuis Charles B. (St. Clair Shores MI) Krozek Dennis A. (Canton MI) Huff Shean P. (Ann Arbor MI) Boss Erika J. (Plymouth MI) Schuelk, Method of controlling a vapor storage canister for a purge control system.
  24. Blomquist William B. (Clarkston MI) Dawson Gary D. (Rochester MI) Richardson Roland T. (Detroit MI) Tallarek Glen (Grosse Pointe Woods MI) Letcher John E. (Glendale AZ) Hope Mark E. (Ann Arbor MI), Method of leak detection for an evaporative emission control system.
  25. Blomquist William B. (Clarkston MI) Dawson Gary D. (Rochester MI) Richardson Roland T. (Detroit MI) Tallarek Glen (Grosse Pointe Woods MI), Method of pinched line detection for an evaporative emission control system.
  26. Esteghlal Gholamabas,DEX ; Sorg Wilhelm,DEX ; Mallebrein Georg,DEX, Method of suppressing erroneous announcements in on-board diagnostic equipment of a motor vehicle resulting from a deficiency of fuel.
  27. Dawson Gary D. ; Blomquist William B. ; Booms Chris J., Purge monitor/switch rationality diagnostics.
  28. Artail Hassan A. (Dearborn MI) Blumke Dennis M. (Washington Township MI), Sealed housing evaporative determination testing apparatus and method.
  29. Dawson, Gary D.; Blomquist, William B.; Booms, Chris J.; Kanafani, Fadi S., Small/gross leak check.
  30. Deleon, Marcos J., System and method for verifying fuel cap engagement.
  31. Dudar, Aed M., Systems and methods for canister filter diagnostics.
  32. Dudar, Aed M., Systems and methods for emissions leak detection.
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