JPH09151807A - 内燃機関の排気ガス再循環装置のための異常検出装置 - Google Patents

内燃機関の排気ガス再循環装置のための異常検出装置

Info

Publication number
JPH09151807A
JPH09151807A JP7315378A JP31537895A JPH09151807A JP H09151807 A JPH09151807 A JP H09151807A JP 7315378 A JP7315378 A JP 7315378A JP 31537895 A JP31537895 A JP 31537895A JP H09151807 A JPH09151807 A JP H09151807A
Authority
JP
Japan
Prior art keywords
valve
negative pressure
port
egr
exhaust gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7315378A
Other languages
English (en)
Japanese (ja)
Inventor
Tatsuaki Nakanishi
達明 中西
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP7315378A priority Critical patent/JPH09151807A/ja
Priority to EP96119377A priority patent/EP0778409A3/de
Publication of JPH09151807A publication Critical patent/JPH09151807A/ja
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/52Systems for actuating EGR valves
    • F02M26/55Systems for actuating EGR valves using vacuum actuators
    • F02M26/56Systems for actuating EGR valves using vacuum actuators having pressure modulation valves
    • F02M26/57Systems for actuating EGR valves using vacuum actuators having pressure modulation valves using electronic means, e.g. electromagnetic valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/49Detecting, diagnosing or indicating an abnormal function of the EGR system

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
JP7315378A 1995-12-04 1995-12-04 内燃機関の排気ガス再循環装置のための異常検出装置 Pending JPH09151807A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP7315378A JPH09151807A (ja) 1995-12-04 1995-12-04 内燃機関の排気ガス再循環装置のための異常検出装置
EP96119377A EP0778409A3 (de) 1995-12-04 1996-12-03 Vorrichtung zum Auffinden von Anomalien in einem Abgasrückführsystem zur Verwendung in einer Brennkraftmachine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7315378A JPH09151807A (ja) 1995-12-04 1995-12-04 内燃機関の排気ガス再循環装置のための異常検出装置

Publications (1)

Publication Number Publication Date
JPH09151807A true JPH09151807A (ja) 1997-06-10

Family

ID=18064694

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7315378A Pending JPH09151807A (ja) 1995-12-04 1995-12-04 内燃機関の排気ガス再循環装置のための異常検出装置

Country Status (2)

Country Link
EP (1) EP0778409A3 (de)
JP (1) JPH09151807A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3535077B2 (ja) * 2000-06-19 2004-06-07 本田技研工業株式会社 内燃機関の制御装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4428355A (en) * 1981-06-22 1984-01-31 Toyo Kogyo Co., Ltd. Exhaust gas recirculation control for internal combustion engines
JPS62214261A (ja) * 1986-03-12 1987-09-21 Fuji Heavy Ind Ltd 排気ガス還流装置の故障診断装置
JPH01310155A (ja) * 1988-06-08 1989-12-14 Mitsubishi Electric Corp Egrシステムの異常検出装置
JP2991760B2 (ja) * 1990-09-29 1999-12-20 マツダ株式会社 排気ガス還流装置の故障診断装置
US5190017A (en) * 1992-05-28 1993-03-02 Ford Motor Company Exhaust gas recirculation system fault detector
JP2870365B2 (ja) 1993-06-30 1999-03-17 トヨタ自動車株式会社 Egr装置付ディーゼルエンジンの燃料噴射量制御装置
JPH08128360A (ja) * 1994-11-01 1996-05-21 Toyota Motor Corp 排気ガス還流装置の故障診断装置

Also Published As

Publication number Publication date
EP0778409A2 (de) 1997-06-11
EP0778409A3 (de) 1998-01-14

Similar Documents

Publication Publication Date Title
JP3680515B2 (ja) 内燃機関の燃料系診断装置
US6732707B2 (en) Control system and method for internal combustion engine
US5140810A (en) Method of detecting failure in a secondary air supply system for internal combustion engines
US6993908B2 (en) Failure detection apparatus for an internal combustion engine
US6842690B2 (en) Failure detection apparatus for an internal combustion engine
US5119631A (en) Apparatus and method for detecting abnormalities in a secondary air supplier
JPH09203350A (ja) ディーゼルエンジンの排気ガス再循環制御装置
US6925864B2 (en) Method of operating an internal combustion engine
EP0769612B1 (de) Gerät zur Feststellung von Einlassdruckabnormalität einer Brennkraftmaschine
US4598684A (en) Apparatus for controlling air/fuel ratio for internal combustion engine
US6962145B2 (en) Failure detection apparatus for an internal combustion engine
US5103655A (en) Diagnostic arrangement for automotive engine EGR system
JP2964210B2 (ja) 筒内圧センサの診断装置
JP3721671B2 (ja) 車両用故障診断装置
JP3544197B2 (ja) 内燃機関の電子制御装置
JP2964447B2 (ja) 内燃機関の排気還流装置における診断装置
US7721707B2 (en) Abnormality determination apparatus and abnormality determination method for valve
JPH0942021A (ja) 内燃機関における燃焼改善機構の診断装置
JP2006342720A (ja) 上流側吸気圧センサの異常診断装置
JP3867189B2 (ja) 吸気系の異常検出装置
JP2781878B2 (ja) エンジン制御装置
JPH09151807A (ja) 内燃機関の排気ガス再循環装置のための異常検出装置
JPH09324683A (ja) 内燃機関におけるNOx濃度推定装置及び排気還流装置の故障診断装置
JP2855395B2 (ja) 内燃機関の排気還流装置における自己診断装置
JP2003129906A (ja) 排気還流装置の異常診断装置