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Engine control and catalyst monitoring with downstream exhaust gas sensors

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01N-003/00
출원번호 US-0454329 (2003-06-04)
발명자 / 주소
  • Makki, Imad Hassan
  • Surnilla, Gopichandra
  • Kerns, James Michael
  • Smith, Stephen B.
출원인 / 주소
  • Ford Global Technologies, LLC
대리인 / 주소
    Ford Global Technologies, LLC
인용정보 피인용 횟수 : 43  인용 특허 : 14

초록

A system and method for controlling an internal combustion engine for low emissions include an inner feedback control loop to control the engine fuel/air ratio with feedback provided by a first exhaust gas sensor and an outer feedback control loop that modifies a reference fuel/air ratio provided to

대표청구항

1. A method for controlling an internal combustion engine, the method comprising:determining a reference air/fuel ratio based on first and second exhaust gas sensors, the first exhaust gas sensor being positioned downstream relative to a first portion of a catalyst and upstream relative to a second

이 특허에 인용된 특허 (14)

  1. Bradley ; Sr. John E. ; Omara Ahmed A. ; Hamburg Douglas Ray, Active adaptive bias for closed loop air/fuel control system.
  2. Curran Judith M. (Northville MI) Culbertson Thomas R. (Livonia MI) Hamburg Douglas R. (Bloomfield MI), Air fuel ratio feedback control.
  3. Omara Ahmed Abdelaziz ; Hamburg Douglas Ray ; Bradley John Edward, Air-fuel ratio feedback control.
  4. Kitamura Toru,JPX ; Kitagawa Hiroshi,JPX ; Akazaki Shusuke,JPX, Air/fuel ratio control system for an internal combustion engine.
  5. Agustin Rogelio B.,JPX ; Numata Akihito,JPX ; Fukuchi Eisaku,JPX ; Takaku Yutaka,JPX ; Ishii Toshio,JPX, Diagnostic apparatus for exhaust gas clarification apparatus for internal combustion engine.
  6. Gopp Alexander Y. (Ann Arbor MI), Dual EGO sensor closed loop fuel control.
  7. Ikemoto, Noriaki; Yamashita, Yukihiro; Iida, Hisashi; Shimizu, Kouichi, Exhaust emission control system for internal combustion engine.
  8. Yoshihiro Majima JP; Yukihiro Yamashita JP; Noriaki Ikemoto JP, Exhaust gas purification device for engines.
  9. Sullivan Raymond J. ; Teague Bruce H. ; DeGroot Kenneth P. ; Reale Michael J., Fuel control system with multiple oxygen sensors.
  10. Surnilla Gopichandra ; Bidner David Karl, Method for improved air-fuel ratio control in engines.
  11. Hepburn Jeffrey Scott, Method for monitoring the performance of a no.sub.x trap.
  12. Ketterer Alexander,DEX ; Pfleger Hartmut,DEX, Method of checking the functional capability of a catalytic converter.
  13. Yasui Yuji,JPX ; Akazaki Shusuke,JPX ; Iwaki Yoshihisa,JPX, Plant control system.
  14. Sullivan Raymond J. ; Teague Bruce H. ; DeGroot Kenneth P. ; Reale Michael J., Triple oxygen sensor arrangement.

이 특허를 인용한 특허 (43)

  1. Takubo, Hideki, Air fuel ratio control apparatus for an internal combustion engine.
  2. Yamashita,Yukihiro, Air-fuel ratio control system and method.
  3. Geveci, Mert; Osburn, Andrew W.; Stanton, Donald W., Ammonia sensor control of an SCR aftertreatment system.
  4. Geveci, Mert; Osburn, Andrew W., Ammonia sensor control, with NOx feedback, of an SCR aftertreatment system.
  5. Kamoto,Akira; Nagai,Toshinari; Oi,Yasuhiro; Adachi,Noriyasu; Ide,Koji; Kobayashi,Daisuke; Okazaki,Shuntaro; Kato,Naoto; Uchida,Takahiro, Catalyst degradation determining method.
  6. Fuxman, Adrian Matias; Pachner, Daniel, Condition-based powertrain control system.
  7. Stewart, Greg; Borrelli, Francesco; Pekar, Jaroslav, Configurable automotive controller.
  8. Nakagawa, Norihisa; Okazaki, Shuntaro; Yamaguchi, Yuji, Control system of internal combustion engine.
  9. Geveci, Mert; Osburn, Andrew; Haas, Michael, Control techniques for an SCR aftertreatment system.
  10. Stewart, Greg; Pekar, Jaroslav; Pachner, Daniel, Coordinated engine and emissions control system.
  11. Jeong, Jeongsu, Data storing circuit and repair circuit of memory device including the same.
  12. Uhrich, Michael James; Santillo, Mario Anthony; Magner, Stephen William; Jankovic, Mrdjan J., Dual HEGO method for identification and mitigation of air-fuel imbalance faults.
  13. Stewart, Gregory E.; Rhodes, Michael L., Emissions sensors for fuel control in engines.
  14. Stewart,Gregory E.; Rhodes,Michael L., Emissions sensors for fuel control in engines.
  15. Pachner, Daniel; Pekar, Jaroslav, Engine and aftertreatment optimization system.
  16. Stewart, Gregory E.; Rhodes, Michael L., Engine controller.
  17. Stewart, Gregory E.; Rhodes, Michael L., Engine controller.
  18. Santillo, Mario Anthony; Magner, Stephen William; Uhrich, Michael James; Jankovic, Mrdjan J., Identification and rejection of asymmetric faults.
  19. Pachner, Daniel, Identification approach for internal combustion engine mean value models.
  20. Jeong, Jeongsu; Kim, Youncheul; Yoon, Hyunsu; Kang, Yonggu; Kim, Kwidong; Hwang, Jeongtae, Integrated circuit and memory device.
  21. Lee, Joo-Hyeon; Chun, Jun-Hyun; Song, Ho-Uk, Integrated circuit with programmable storage cell array and boot-up operation method thereof.
  22. Uhrich, Michael James; Makki, Imad Hassan; Kumar, Pankaj; Casedy, Michael, Integrated fuel catalyst monitor.
  23. Song, Choung-Ki, Memory device and memory system including the same, and operation method of memory device.
  24. Yoon, Hyun-Su; Kwean, Ki-Chang, Memory device and operating method of memory device and memory system.
  25. Yoon, Hyunsu; Jeong, Jeongsu; Kim, Youncheul; Jeong, Gwangyeong Stanley; Yoon, Hyunju, Memory device and test method thereof.
  26. Lee, Joo-Hyeon, Memory device with post package repair, operation method of the same and memory system including the same.
  27. Jeong, Jeongsu; Kim, Youncheul; Jeong, Gwangyoung Stanley; Kang, Bokmoon, Memory device, memory system including a non-volatile memory configured to output a repair data in response to an initialization signal.
  28. Yoon, Hyunsu; Kim, Youncheol; Jeong, Jeongsu, Memory system and operating method thereof.
  29. Kihas, Dejan, Method and system for updating tuning parameters of a controller.
  30. Kihas, Dejan, Method and system for updating tuning parameters of a controller.
  31. Srinivasan, Prashant; Vining, William Collins; Devarakonda, Maruthi Narasinga Rao, Methods to adapt air-fuel (A/F) controls for catalyst aging.
  32. Srinivasan, Prashant; Vining, William Collins; Devarakonda, Maruthi Narasinga Rao, Methods to adapt reductant injection controls for catalyst aging.
  33. Kumar, Pankaj; Makki, Imad Hassan; Filev, Dimitar Petrov, Non-intrusive air/fuel sensor diagnostics.
  34. Stewart, Gregory; Shahed, Syed M.; Borrelli, Francesco; Hampson, Gregory J., Pedal position and/or pedal change rate for use in control of an engine.
  35. Cavataio, Giovanni; Doering, Jeffrey Allen; Leone, Thomas G.; Theis, Joseph Robert; Uhrich, Michael James, SCR catalyst diagnostics.
  36. Kim, Kwanweon; Yoon, Hyunsu; Hwang, Jeongtae, Semiconductor device and memory device.
  37. Jeong, Jeongsu, Semiconductor device and semiconductor memory device.
  38. Jung, Taehyung; Kim, Kwanweon, Semiconductor device and semiconductor memory device.
  39. Geveci, Mert; Osburn, Andrew, System and method to control selective catalytic reduction systems in feedback.
  40. Garimella, Phanindra V.; Osburn, Andrew W., Systems, methods, and apparatus for reductant dosing in an SCR aftertreatment system.
  41. Geveci, Mert; Osburn, Andrew W., Transient compensation control of an SCR aftertreatment system.
  42. Pekar, Jaroslav; Stewart, Gregory E., Using model predictive control to optimize variable trajectories and system control.
  43. Markham, Thomas R., Vehicle security module system.
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