WO2009078344A1 - 排気環流装置の異常診断装置 - Google Patents

排気環流装置の異常診断装置 Download PDF

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Publication number
WO2009078344A1
WO2009078344A1 PCT/JP2008/072578 JP2008072578W WO2009078344A1 WO 2009078344 A1 WO2009078344 A1 WO 2009078344A1 JP 2008072578 W JP2008072578 W JP 2008072578W WO 2009078344 A1 WO2009078344 A1 WO 2009078344A1
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust gas
gas recirculation
opening degree
abnormality diagnosis
valve
Prior art date
Application number
PCT/JP2008/072578
Other languages
English (en)
French (fr)
Inventor
Kenichiro Kawase
Yousuke Hashimoto
Keisuke Yamashita
Original Assignee
Toyota Jidosha Kabushiki Kaisha
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 Jidosha Kabushiki Kaisha filed Critical Toyota Jidosha Kabushiki Kaisha
Priority to EP08862091.9A priority Critical patent/EP2226488B1/en
Priority to CN2008801200949A priority patent/CN101896714B/zh
Priority to US12/747,119 priority patent/US8397700B2/en
Publication of WO2009078344A1 publication Critical patent/WO2009078344A1/ja

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]
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D41/221—Safety or indicating devices for abnormal conditions relating to the failure of actuators or electrically driven elements
    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D2041/228—Warning displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0406—Intake manifold pressure
    • 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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/12—Introducing corrections for particular operating conditions for deceleration
    • F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
    • 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)
  • Exhaust-Gas Circulating Devices (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

　内燃機関における排気還流装置の異常診断装置が提供される。前記排気環流装置は前記機関の排気通路から吸気通路に戻される排気の環流量を調節する排気環流弁を備える。異常診断装置は、前記排気環流装置の異常を診断するために前記排気環流弁の開度を変化させる制御部を備える。前記制御部は、異常診断実行条件が成立した場合、閉弁処理の実行に先行して、開度補正を禁止するとともに前記排気環流弁の開度をそのときの開度から前記第１目標開度よりも大きい第２目標開度まで増大させる開弁処理を実行する。
PCT/JP2008/072578 2007-12-14 2008-12-11 排気環流装置の異常診断装置 WO2009078344A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08862091.9A EP2226488B1 (en) 2007-12-14 2008-12-11 Abnormality diagnosis device for exhaust gas recirculation device
CN2008801200949A CN101896714B (zh) 2007-12-14 2008-12-11 排气回流装置的异常诊断装置
US12/747,119 US8397700B2 (en) 2007-12-14 2008-12-11 Abnormality diagnosis device for exhaust gas recirculation device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-323569 2007-12-14
JP2007323569A JP4720820B2 (ja) 2007-12-14 2007-12-14 排気環流装置の異常診断装置

Publications (1)

Publication Number Publication Date
WO2009078344A1 true WO2009078344A1 (ja) 2009-06-25

Family

ID=40795460

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/072578 WO2009078344A1 (ja) 2007-12-14 2008-12-11 排気環流装置の異常診断装置

Country Status (5)

Country Link
US (1) US8397700B2 (ja)
EP (1) EP2226488B1 (ja)
JP (1) JP4720820B2 (ja)
CN (1) CN101896714B (ja)
WO (1) WO2009078344A1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4859718B2 (ja) * 2007-03-15 2012-01-25 本田技研工業株式会社 ターボ過給機の異常判定装置
US8775011B2 (en) 2011-04-18 2014-07-08 Ford Global Technologies, Llc Distinguishing between EGR valve and oxygen sensor degradation
KR101316863B1 (ko) * 2011-12-09 2013-10-08 기아자동차주식회사 배기가스 재순환 진단 방법 및 시스템
US9422896B2 (en) 2013-01-29 2016-08-23 General Electric Company Method and system for charge air system valve diagnosis
JP2014227844A (ja) * 2013-05-20 2014-12-08 トヨタ自動車株式会社 内燃機関の制御装置
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
KR20170128785A (ko) * 2016-05-13 2017-11-24 현대자동차주식회사 차량의 egr밸브 제어방법 및 그 제어시스템

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59215954A (ja) * 1983-05-23 1984-12-05 Toyota Motor Corp デイ−ゼル機関の排気ガス再循環制御方法
JPH04140464A (ja) * 1990-09-28 1992-05-14 Nissan Motor Co Ltd 排気還流装置の故障診断装置
JPH06288303A (ja) 1993-04-05 1994-10-11 Unisia Jecs Corp 内燃機関の排気還流装置における自己診断装置
JP2001349231A (ja) * 2000-06-07 2001-12-21 Honda Motor Co Ltd 内燃機関の燃料供給制御装置
JP2003343361A (ja) * 2002-05-24 2003-12-03 Toyota Motor Corp 排気再循環制御装置の異常判定方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0658211A (ja) 1992-08-07 1994-03-01 Mitsubishi Electric Corp 排気還流制御装置の故障診断方法
JPH06229323A (ja) 1993-01-30 1994-08-16 Suzuki Motor Corp 排気ガス再循環装置の自己診断装置
JPH07180615A (ja) 1993-12-24 1995-07-18 Nippondenso Co Ltd 内燃機関の排気還流制御装置
JP3158340B2 (ja) 1995-11-21 2001-04-23 株式会社ユニシアジェックス 内燃機関の排気還流装置の故障診断装置
JP2004036544A (ja) * 2002-07-04 2004-02-05 Mitsubishi Fuso Truck & Bus Corp 内燃機関の故障検出装置
JP2005054588A (ja) * 2003-08-04 2005-03-03 Isuzu Motors Ltd 内燃機関の制御装置
JP4225322B2 (ja) * 2006-01-27 2009-02-18 トヨタ自動車株式会社 内燃機関の排気還流装置
JP4143868B1 (ja) * 2007-02-27 2008-09-03 三菱自動車工業株式会社 内燃機関のｅｇｒシステム
JP4788631B2 (ja) * 2007-03-02 2011-10-05 いすゞ自動車株式会社 エキゾーストスロットルバルブ診断装置および方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59215954A (ja) * 1983-05-23 1984-12-05 Toyota Motor Corp デイ−ゼル機関の排気ガス再循環制御方法
JPH04140464A (ja) * 1990-09-28 1992-05-14 Nissan Motor Co Ltd 排気還流装置の故障診断装置
JPH06288303A (ja) 1993-04-05 1994-10-11 Unisia Jecs Corp 内燃機関の排気還流装置における自己診断装置
JP2001349231A (ja) * 2000-06-07 2001-12-21 Honda Motor Co Ltd 内燃機関の燃料供給制御装置
JP2003343361A (ja) * 2002-05-24 2003-12-03 Toyota Motor Corp 排気再循環制御装置の異常判定方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2226488A4 *

Also Published As

Publication number Publication date
EP2226488A1 (en) 2010-09-08
EP2226488B1 (en) 2013-09-25
JP2009144617A (ja) 2009-07-02
CN101896714A (zh) 2010-11-24
JP4720820B2 (ja) 2011-07-13
EP2226488A4 (en) 2012-01-25
US20100294253A1 (en) 2010-11-25
CN101896714B (zh) 2012-10-24
US8397700B2 (en) 2013-03-19

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