DE69709577D1 - Vorrichtung zur Detektion einer Fehlfunktion eines Abgasrückführungssystems - Google Patents

Vorrichtung zur Detektion einer Fehlfunktion eines Abgasrückführungssystems

Info

Publication number
DE69709577D1
DE69709577D1 DE69709577T DE69709577T DE69709577D1 DE 69709577 D1 DE69709577 D1 DE 69709577D1 DE 69709577 T DE69709577 T DE 69709577T DE 69709577 T DE69709577 T DE 69709577T DE 69709577 D1 DE69709577 D1 DE 69709577D1
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
DE69709577T
Other languages
English (en)
Other versions
DE69709577T2 (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
Application granted granted Critical
Publication of DE69709577D1 publication Critical patent/DE69709577D1/de
Publication of DE69709577T2 publication Critical patent/DE69709577T2/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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/005—Controlling exhaust gas recirculation [EGR] according to engine operating conditions
    • F02D41/0055—Special engine operating conditions, e.g. for regeneration of exhaust gas treatment apparatus
    • 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
    • F02M26/52—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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/0077—Control of the EGR valve or actuator, e.g. duty cycle, closed loop control of position
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

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)
DE69709577T 1996-06-12 1997-06-02 Vorrichtung zur Detektion einer Fehlfunktion eines Abgasrückführungssystems Expired - Fee Related DE69709577T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP08151302A JP3075181B2 (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
DE69709577D1 true DE69709577D1 (de) 2002-02-21
DE69709577T2 DE69709577T2 (de) 2002-06-13

Family

ID=15515713

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69709577T Expired - Fee Related DE69709577T2 (de) 1996-06-12 1997-06-02 Vorrichtung zur Detektion einer Fehlfunktion eines Abgasrückführungssystems

Country Status (4)

Country Link
US (1) US5943999A (de)
EP (1) EP0812984B1 (de)
JP (1) JP3075181B2 (de)
DE (1) DE69709577T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001098989A (ja) * 1999-09-29 2001-04-10 Mazda Motor Corp エンジンの制御装置及びエンジンの制御装置の異常診断装置
JP4241035B2 (ja) * 2000-08-24 2009-03-18 三菱電機株式会社 排気ガス再循環バルブの制御装置
JP3481226B2 (ja) * 2001-12-12 2003-12-22 本田技研工業株式会社 ハイブリッド車両における異常検知方法
US8423269B2 (en) * 2009-07-08 2013-04-16 Cummins Inc. Exhaust gas recirculation valve contaminant removal
JP5473849B2 (ja) * 2010-09-21 2014-04-16 三菱重工業株式会社 内燃機関の排ガス再循環装置
JP6225701B2 (ja) * 2013-12-27 2017-11-08 スズキ株式会社 Ｅｇｒ装置の故障診断装置
CN104088728B (zh) * 2014-06-24 2016-12-07 潍柴动力股份有限公司 一种egr阀老化修正方法及装置
JP6392023B2 (ja) * 2014-08-08 2018-09-19 日野自動車株式会社 異常判定装置
JP7134114B2 (ja) * 2019-02-19 2022-09-09 愛三工業株式会社 エンジンのｅｇｒ装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62203969A (ja) * 1986-02-28 1987-09-08 Fuji Heavy Ind Ltd 排気ガス還流装置の故障診断装置
JPH07116995B2 (ja) * 1987-04-10 1995-12-18 三菱自動車工業株式会社 排気還流装置の故障検出方法
JP2691367B2 (ja) * 1989-07-26 1997-12-17 マツダ株式会社 エンジンの排気ガス還流弁故障判定装置
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
JPH04269364A (ja) * 1991-02-26 1992-09-25 Mitsubishi Electric Corp Ｅｇｒ制御装置の故障診断装置
JP2550788B2 (ja) * 1991-03-13 1996-11-06 三菱電機株式会社 排気ガス再循環制御装置の故障診断装置
US5309887A (en) * 1992-08-07 1994-05-10 Mitsubishi Denki Kabushiki Kaisha Method of detecting abnormality in exhaust gas recirculation control system of internal combustion engine and apparatus for carrying out the same
JPH07269392A (ja) * 1994-03-31 1995-10-17 Suzuki Motor Corp エンジンの自動始動停止装置
US5508926A (en) * 1994-06-24 1996-04-16 General Motors Corporation Exhaust gas recirculation diagnostic
JPH0886248A (ja) * 1994-09-16 1996-04-02 Nissan Motor Co Ltd 内燃機関の排気還流装置の自己診断装置
US5722363A (en) * 1995-05-15 1998-03-03 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Cylinder-injection type internal combustion engine and a fuel injection control apparatus therefor
US5771869A (en) * 1996-06-12 1998-06-30 Toyota Jidosha Kabushiki Kaisha Malfunction determining apparatus of an exhaust gas recirculation system

Also Published As

Publication number Publication date
DE69709577T2 (de) 2002-06-13
US5943999A (en) 1999-08-31
JP3075181B2 (ja) 2000-08-07
EP0812984B1 (de) 2002-01-16
EP0812984A3 (de) 1998-04-22
EP0812984A2 (de) 1997-12-17
JPH09329061A (ja) 1997-12-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee