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Self-diagnostic apparatus of air-fuel ratio control system of internal combustion engine

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F02D-041/14
  • G01M-015/00
출원번호 US-0574211 (1995-12-13)
우선권정보 JP-0328086 (1994-12-28)
발명자 / 주소
  • Sagisaka Yasuo (Komaki JPX) Nakayama Masaaki (Toyoake JPX) Mukai Yasuo (Kariya JPX) Yamashita Yukihiro (Kariya JPX) Iida Hisashi (Kariya JPX)
출원인 / 주소
  • Nippondenso Co., Ltd. (Kariya JPX 03)
인용정보 피인용 횟수 : 42  인용 특허 : 0

초록

A self-diagnostic apparatus of an air-fuel ratio control system of an internal combustion engine performs processes of starting the diagnostic process as the fuel-cut is started, reading and storing a sensor output at the start of the fuel-cut and counting an elapsed time after the start of the fuel

대표청구항

In combination: a sensor for detecting an air-fuel ratio within an exhaust gas of an internal combustion engine, said sensor having an output which varies proportionally with the detected air-fuel ratio; and a self-diagnostic apparatus of an air-fuel ratio control system of said internal combustion

이 특허를 인용한 특허 (42)

  1. Nakamura, Takashi, Abnormality determination apparatus and method for oxygen sensor.
  2. Kitagawa Hiroshi,JPX ; Maki Hidetaka,JPX, Air-fuel ratio control system based on adaptive control theory for internal combustion engines.
  3. Fujiki, Kenichi, Air/fuel ratio control system for internal combustion engine.
  4. Isoda, Naoya; Nagatsu, Yoshiyuki, Anti-knocking device an method.
  5. Akihiro Shinjyo JP; Hiroshi Kitagawa JP; Toshihiro Mibe JP, Apparatus for determining a failure of an oxygen concentration sensor.
  6. Kerns, James Michael; Clark, Timothy Joseph, Approach for determining exhaust gas sensor degradation.
  7. Jankovic, Mrdjan J.; Magner, Stephen William, Bias mitigation for air-fuel ratio sensor degradation.
  8. Takahashi,Yuri; Iida,Hisashi; Morinaga,Shuujirou; Yoshiume,Naoki, Device for detecting response characteristics of sensor.
  9. Kishimoto Youichi,BEX ; Katayama Akio,JPX, Device for diagnosing oxygen sensor deterioration.
  10. Miyamoto, Hiroshi; Aoki, Keiichiro; Iwazaki, Yasushi, Diagnosis system of internal combustion engine.
  11. Fukagai, Reina; Ieda, Norikazu; Tanaka, Masahiro; Inagaki, Hiroshi; Takamatsu, Kunihiko; Hirata, Masaki; Suzuki, Takahiro, Diagnostic method and control apparatus for gas sensor.
  12. Enoyoshi, Masahiko; Isoda, Naoya; Nagatsu, Yoshiyuki, Engine control method and apparatus.
  13. Gartner Paul M. ; Darin Bradley J. ; List Werner ; Nick Dennis P., Engine management system.
  14. King, Paul John; Kennedy, Timothy John, Evaluation of a motor vehicle oxygen sensor performance.
  15. Isoda, Naoya; Nagatsu, Yoshiyuki, Exhaust timing controller for two-stroke engine.
  16. Surnilla, Gopichandra; Smith, Stephen B., Idle speed control for lean burn engine with variable-displacement-like characteristic.
  17. Surnilla,Gopichandra; Smith,Stephen B., Idle speed control for lean burn engine with variable-displacement-like characteristic.
  18. Isoda, Naoya; Nagatsu, Yoshiyuki, Ignition controller.
  19. Sakaguchi,Shigeyuki; Nakahara,Yoichiro, Internal combustion engine control device.
  20. Adachi Shin,JPX ; Amano Hidetoshi,JPX, Internal combustion engine diagnostic apparatus.
  21. Enoyoshi, Masahiko; Asaeda, Shiro, Method and device for controlling fuel injection in internal combustion engine.
  22. Plonka, Peter; Bludau, Alexander; Feldmann, Benedikt; Steinert, Thomas; Mueller, Wolfgang, Method and device for dynamically diagnosing an exhaust gas probe.
  23. Steinert, Thomas, Method and device for monitoring the function of an exhaust-gas sensor.
  24. Ingram,Grant Alan; Surnilla,Gopichandra, Method and system for rapid heating of an emission control device.
  25. Stewart, Gregory E., Method and system for using a measure of fueling rate in the air side control of an engine.
  26. Surnilla, Gopichandra, Method and system of adaptive learning for engine exhaust gas sensors.
  27. Surnilla, Gopichandra, Method for air-fuel ratio control of a lean burn engine.
  28. Gopichandra, Surnilla, Method for air-fuel ratio sensor diagnosis.
  29. Bidner,David Karl; Surnilla,Gopichandra, Method for controlling an engine to obtain rapid catalyst heating.
  30. Surnilla,Gopichandra, Method for controlling the temperature of an emission control device.
  31. Surnilla, Gopichandra, Method for controlling transitions between operating modes of an engine for rapid heating of an emission control device.
  32. Surnilla, Gopichandra, Method for controlling transitions between operating modes of an engine for rapid heating of an emission control device.
  33. Surnilla, Gopichandra, Method for rapid catalyst heating.
  34. Ries-Muller Klaus,DEX, Method of detecting disturbances in an internal combustion engine caused by an empty fuel tank.
  35. Bahlo, Jan M. S.; Tims, Dion; Wettig, Christine I.; Seufert, Ulrich; Kihyun, Chai, Method to adapt the O2 signal of an O2 sensor during overrun.
  36. Bidner, David Karl; Surnilla, Gopichandra, Method to control fuel vapor purging.
  37. Surnilla, Gopichandra, Method to control transitions between modes of operation of an engine.
  38. Surnilla,Gopichandra; Cullen,Michael J., Method to control transitions between modes of operation of an engine.
  39. Surnilla, Gopichandra; Roth, John M., Overall scheduling of a lean burn engine system.
  40. Surnilla, Gopichandra, System and method for monitoring and exhaust gas sensor in an engine.
  41. Nagashima,Wataru; Yamashita,Yukihiro; Yoshiume,Naoki, System for diagnosing degradation of air-fuel sensor.
  42. Sealy, Brent Edward; Casedy, Michael; Gernant, Timothy Robert, Systems and methods for improving catalyst diagnostics in the presence of sensor degradation.
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