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Method and system for estimating fuel vapor pressure 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F02M-033/04
출원번호 US-0867313 (1997-06-02)
발명자 / 주소
  • Huls Thomas Allan
출원인 / 주소
  • Ford Global Technologies, Inc.
대리인 / 주소
    Dottavio
인용정보 피인용 횟수 : 25  인용 특허 : 14

초록

A method for estimating fuel vapor pressure includes determining (102) an amount of fuel present in a fuel tank, pumping (104) a vapor mixture from the fuel tank until a predetermined gauge pressure is obtained, and measuring (108) the time necessary to reach the predetermined gauge pressure. Fuel v

대표청구항

[ What is claimed is:] [1.] A method for estimating fuel vapor pressure comprising the steps of:determining an amount of liquid fuel present in a fuel tank;applying a vacuum to the fuel tank;measuring a length of time necessary to reach a predetermined pressure within the fuel tank; anddetermining f

이 특허에 인용된 특허 (14)

  1. Otsuka Takayuki (Susono JPX), Apparatus for detecting a malfunction in an evaporated fuel purge system.
  2. Otsuka Takayuki (Susono JPX) Kayanuma Nobuaki (Gotenba JPX) Osawa Kouichi (Susono JPX) Okamizu Hironori (Susono JPX) Kunimasa Chikao (Okazaki JPX), Apparatus for detecting malfunction in fuel evaporative prurge system.
  3. Thomson Jon (Jackson MI), Diagnostic system for canister purge system.
  4. Gross Rainer P. (Union Lake MI), Evaporative emission system diagnostic.
  5. Hyodo Yoshihiko (Susono JPX) Itou Takaaki (Mishima JPX) Osanai Akinori (Susono JPX) Kidokoro Toru (Susono JPX), Evaporative fuel control apparatus of internal combustion engine.
  6. Lipinski Daniel J. (Livonia MI) Marshall Charles E. (Novi MI) Prior Ernest C. (Woodhaven MI), Evaporative purge monitoring strategy and system.
  7. Nakai Kazuhiro (Kariya JPX) Nakashima Akihiro (Chiryu JPX) Iida Hisashi (Ama JPX), Fuel evaporative emission amount detection system.
  8. Ishida Yasuhiko (Himeji JPX), Fuel vapor purge system for internal combustion engine and method of diagnosis thereof.
  9. Kawamura Katsuhiko (Yokohama JPX) Matsuno Osamu (Ebina JPX) Kishimoto Yoichi (Chigasaki JPX), Leak diagnosis system for evaporative emission control system.
  10. Takahata Toshio (Aikou-gun JPX) Nakazawa Shinsuke (Yokohama JPX) Iochi Atsushi (Yokohama JPX) Kuriki Hiroshi (Yokohama JPX) Gotoh Kenichi (Zama JPX), Leak test system for vaporized fuel treatment mechanism.
  11. Namiki Koichi (Kyoto JPX) Matsumoto Takuya (Kyoto JPX) Hashimoto Toru (Kyoto JPX) Yoshida Yasuhisa (Okazaki JPX), Method and apparatus of detecting faults for fuels evaporative emission treatment system.
  12. Denz Helmut (Stuttgart DEX) Blumenstock Andreas (Ludwigsburg DEX), Method and device for detecting the fluid level in a tank.
  13. Curran Patrick J. (Farmington Hills MI) McCoy Juliette J. (South Lyon MI) Panganis Michael A. (Plymouth MI) Waskiewicz David C. (Novi MI) Schwager Bryce A. (Ypsilanti MI) Rychlick Edward G. (Dearborn, Method and system for monitoring an evaporative purge system.
  14. Koshimizu Akira (Hyogo JPX) Nagano Susumu (Hyogo JPX), Pressure difference detector, a method for judging an abnormality of the detector, and a fuel vapor emission preventing.

이 특허를 인용한 특허 (25)

  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. Wiese,Matthias; Zhang,Hong, Device for determining fuel quality and corresponding method.
  3. Kaiser, Jeffrey; Lehmen, Allen Joseph; Gernant, Timothy, Diagnostic method for vehicle evaporative emissions.
  4. Dudar, Aed M.; Jentz, Robert Roy, Estimating vehicle fuel Reid vapor pressure.
  5. Isobe Takashi,JPX ; Yamaguchi Takashi,JPX ; Kiso Satoshi,JPX, Evaporated fuel treatment apparatus for internal combustion engine.
  6. Takashi Isobe JP; Takashi Yamaguchi JP; Satoshi Kiso JP, Evaporated fuel treatment apparatus for internal combustion engine.
  7. Corkill William John,GBX, Fuel system leak detection.
  8. Hyodo Yoshihiko,JPX ; Murai Toshimi,JPX ; Sasaki Hidekazu,JPX ; Takeuchi Koichi,JPX, Fuel vapor control apparatus.
  9. Michael Joseph Harrigan, Sr., Fuel vapor emission control system employing vacuum.
  10. Jeffrey Kaiser ; Allen Joseph Lehmen ; Timothy Gernant, Fuel weathering method for vehicle evaporative emission system.
  11. Klein, Dale F.; Thiagarajan, Manoharan; Shaw, Andrew M., Gasoline Reid Vapor Pressure detection with brushless fuel pump.
  12. Sanborn, Ethan D.; Kumar, Pankaj; Makki, Imad Hassan; Pursifull, Ross Dykstra, Identifying fuel system degradation.
  13. Steckler, Michael J.; Melby, Steve L., Leak detection method for an evaporative emission system including a flexible fuel tank.
  14. Garman Benjamin D. ; Albers Jeffrey Maurice ; Merrell Robert James, Method and apparatus for detecting vapor leakage.
  15. Lee, Han-Sheng; Lambert, David K.; Harrington, Charles Robert; Kerr, Rick Daniel, Method and apparatus for determining an approximation for fuel volatility on-board a vehicle.
  16. Criel, Bjorn; Hill, David; Chaussinand, Antoine, Method and system for determining the volatility of a fuel.
  17. Jamrog James Richard, Method for controlling evaporative emission control system.
  18. Penschuck,Juergen, Method for determining the fuel vapor pressure in a motor vehicle with on-board means.
  19. Pursifull, Ross Dykstra, Method for lift pump control.
  20. Ulrey, Joseph Norman; Pursifull, Ross Dykstra, Optimizing intermittent fuel pump control.
  21. Andri, Michael Jon, Plug-in hybrid electric vehicle.
  22. Leone, Thomas G., Plug-in hybrid electric vehicle.
  23. Dawson, Gary D.; Blomquist, William B.; Booms, Chris J.; Kanafani, Fadi S., Small/gross leak check.
  24. Ulrey, Joseph Norman; Pursifull, Ross Dykstra; Kumar, Pankaj; Makki, Imad Hassan, Systems and methods for sensing fuel vapor pressure.
  25. Amlin, David J., Temperature, vapor space and fuel volatility-compensated evaporative emissions system leak test method.
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