DE69710127D1 - Vorrichtung zur Detektion einer Fehlfunktion eines Abgasrückführungssystems - Google Patents

Vorrichtung zur Detektion einer Fehlfunktion eines Abgasrückführungssystems

Info

Publication number
DE69710127D1
DE69710127D1 DE69710127T DE69710127T DE69710127D1 DE 69710127 D1 DE69710127 D1 DE 69710127D1 DE 69710127 T DE69710127 T DE 69710127T DE 69710127 T DE69710127 T DE 69710127T DE 69710127 D1 DE69710127 D1 DE 69710127D1
Authority
DE
Germany
Prior art keywords
malfunction
detecting
exhaust gas
gas recirculation
recirculation system
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.)
Expired - Fee Related
Application number
DE69710127T
Other languages
English (en)
Other versions
DE69710127T2 (de
Inventor
Masatomo Yoshihara
Tokiji Ito
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
Publication of DE69710127D1 publication Critical patent/DE69710127D1/de
Application granted granted Critical
Publication of DE69710127T2 publication Critical patent/DE69710127T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/55—Systems for actuating EGR valves using vacuum actuators
    • F02M26/56—Systems for actuating EGR valves using vacuum actuators having pressure modulation valves
    • F02M26/57—Systems for actuating EGR valves using vacuum actuators having pressure modulation valves using electronic means, e.g. electromagnetic valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/49—Detecting, diagnosing or indicating an abnormal function of the EGR system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/45—Sensors specially adapted for EGR systems
    • F02M26/46—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition
    • F02M26/47—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition the characteristics being temperatures, pressures or flow rates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/45—Sensors specially adapted for EGR systems
    • F02M26/48—EGR valve position sensors

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)
DE69710127T 1996-06-12 1997-06-02 Vorrichtung zur Detektion einer Fehlfunktion eines Abgasrückführungssystems Expired - Fee Related DE69710127T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8151303A JP2845198B2 (ja) 1996-06-12 1996-06-12 排気ガス再循環装置の異常判定装置

Publications (2)

Publication Number Publication Date
DE69710127D1 true DE69710127D1 (de) 2002-03-14
DE69710127T2 DE69710127T2 (de) 2002-06-27

Family

ID=15515731

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69710127T Expired - Fee Related DE69710127T2 (de) 1996-06-12 1997-06-02 Vorrichtung zur Detektion einer Fehlfunktion eines Abgasrückführungssystems

Country Status (3)

Country Link
EP (1) EP0812983B1 (de)
JP (1) JP2845198B2 (de)
DE (1) DE69710127T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10122058A (ja) * 1996-10-16 1998-05-12 Toyota Motor Corp 内燃機関の排ガス再循環装置
FR2836517B1 (fr) 2002-02-25 2004-05-28 Renault Procede et dispositif de diagnostic de l'etat de fonctionnement d'une vanne de recirculation de gaz d'echappement d'un moteur a combustion interne
JP3846381B2 (ja) * 2002-08-23 2006-11-15 トヨタ自動車株式会社 排気還流装置の異常診断装置
JP4531597B2 (ja) * 2005-03-15 2010-08-25 本田技研工業株式会社 内燃機関の制御装置
CN113090421B (zh) * 2021-04-20 2022-08-05 潍柴动力股份有限公司 一种egr系统的检测方法及装置
CN114962039B (zh) * 2022-06-29 2023-04-28 东风汽车集团股份有限公司 一种egr阀性能失效监测方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55123345A (en) * 1979-03-12 1980-09-22 Toyota Motor Corp Exhaust gas reflux apparatus
JPS59185857A (ja) * 1983-04-05 1984-10-22 Honda Motor Co Ltd 内燃エンジンの排気還流量制御方法
JPS6011665A (ja) * 1983-06-30 1985-01-21 Honda Motor Co Ltd 内燃エンジンの排気還流弁制御方法
JPS6181567A (ja) * 1984-09-13 1986-04-25 Honda Motor Co Ltd 内燃エンジンの排気還流制御方法
JP2727534B2 (ja) * 1990-08-21 1998-03-11 本田技研工業株式会社 内燃エンジンの排気還流制御方法
JP2870418B2 (ja) * 1994-09-30 1999-03-17 三菱自動車工業株式会社 排気ガス再循環装置の故障診断装置

Also Published As

Publication number Publication date
EP0812983A2 (de) 1997-12-17
JPH09329062A (ja) 1997-12-22
EP0812983A3 (de) 1998-07-01
JP2845198B2 (ja) 1999-01-13
DE69710127T2 (de) 2002-06-27
EP0812983B1 (de) 2002-01-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee