US20040226282A1 - Abnormality detecting system for oxygen sensor and abnormality detecting method - Google Patents

Abnormality detecting system for oxygen sensor and abnormality detecting method Download PDF

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Publication number
US20040226282A1
US20040226282A1 US10/449,606 US44960603A US2004226282A1 US 20040226282 A1 US20040226282 A1 US 20040226282A1 US 44960603 A US44960603 A US 44960603A US 2004226282 A1 US2004226282 A1 US 2004226282A1
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United States
Prior art keywords
air
catalyst
fuel ratio
oxygen
abnormality
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.)
Abandoned
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US10/449,606
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English (en)
Inventor
Kazutaka Hattori
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Toyota Motor Corp
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Toyota Motor Corp
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Filing date
Publication date
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA reassignment TOYOTA JIDOSHA KABUSHIKI KAISHA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HATTORI, KAZUTAKA
Publication of US20040226282A1 publication Critical patent/US20040226282A1/en
Abandoned legal-status Critical Current

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    • 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
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1493—Details
    • F02D41/1495—Detection of abnormalities in the air/fuel ratio feedback system
    • 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
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/0295—Control according to the amount of oxygen that is stored on the exhaust gas treating 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • 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
    • F02D2200/023—Temperature of lubricating oil or working fluid
    • 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
    • F02D2200/0404—Throttle position
    • 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
    • F02D2200/08—Exhaust gas treatment apparatus parameters
    • F02D2200/0814—Oxygen storage amount
    • 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
    • F02D2200/08—Exhaust gas treatment apparatus parameters
    • F02D2200/0816—Oxygen storage capacity
    • 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
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors
    • 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
    • F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor
US10/449,606 2002-06-17 2003-06-02 Abnormality detecting system for oxygen sensor and abnormality detecting method Abandoned US20040226282A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002175274A JP2004019542A (ja) 2002-06-17 2002-06-17 酸素センサの異常検出装置
JP2002-175274 2002-06-17

Publications (1)

Publication Number Publication Date
US20040226282A1 true US20040226282A1 (en) 2004-11-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
US10/449,606 Abandoned US20040226282A1 (en) 2002-06-17 2003-06-02 Abnormality detecting system for oxygen sensor and abnormality detecting method

Country Status (4)

Country Link
US (1) US20040226282A1 (de)
JP (1) JP2004019542A (de)
DE (1) DE10326736A1 (de)
FR (1) FR2840954A1 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090288391A1 (en) * 2006-06-27 2009-11-26 Keiichiro Aoki Catalyst deterioration detection device
US20120324869A1 (en) * 2010-03-09 2012-12-27 Toyota Jidosha Kabushiki Kaisha Catalyst degradation detection apparatus
WO2015050267A1 (en) * 2013-10-01 2015-04-09 Toyota Jidosha Kabushiki Kaisha Abnormality diagnosis system of air-fuel ratio sensor
US20150122003A1 (en) * 2013-11-04 2015-05-07 Denso Corporation Abnormality diagnosis device for exhaust gas sensor
AU2016201876B2 (en) * 2015-03-31 2017-09-28 Toyota Jidosha Kabushiki Kaisha Exhaust purification system of internal combustion engine
US9903292B2 (en) 2014-10-23 2018-02-27 Toyota Jidosha Kabushiki Kaisha Abnormality diagnosis system of air-fuel ratio sensor
CN110050112A (zh) * 2016-12-09 2019-07-23 康明斯有限公司 用于催化剂传感器诊断的系统和方法
US10365183B2 (en) 2013-10-01 2019-07-30 Toyota Jidosha Kabushiki Kaisha Abnormality diagnosis system of air-fuel ratio sensor
CN114753939A (zh) * 2021-01-08 2022-07-15 丰田自动车株式会社 内燃机的控制装置及控制方法

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006257944A (ja) * 2005-03-16 2006-09-28 Fujitsu Ten Ltd 内燃機関の異常検出装置
JP4940903B2 (ja) * 2005-11-18 2012-05-30 トヨタ自動車株式会社 排気浄化システム
JP4561702B2 (ja) * 2006-07-06 2010-10-13 トヨタ自動車株式会社 排気センサの異常診断装置
US7444235B2 (en) * 2007-02-06 2008-10-28 Gm Global Technology Operations, Inc. Post catalyst oxygen sensor diagnostic
JP4548443B2 (ja) * 2007-04-27 2010-09-22 トヨタ自動車株式会社 内燃機関の酸素センサ故障診断装置
JP6065888B2 (ja) * 2014-07-29 2017-01-25 トヨタ自動車株式会社 空燃比センサの異常診断装置
JP7103176B2 (ja) 2018-11-07 2022-07-20 トヨタ自動車株式会社 ガスセンサの故障検出装置、ガスセンサの故障検出方法
JP2021116730A (ja) * 2020-01-24 2021-08-10 トヨタ自動車株式会社 下流側空燃比検出装置の異常診断装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5331808A (en) * 1992-04-16 1994-07-26 Nippondenso Co., Ltd. Oxygen-sensor abnormality detecting device for internal combustion engine
US5533332A (en) * 1993-09-02 1996-07-09 Unisia Jecs Corporation Method and apparatus for self diagnosis of an internal combustion engine
US5697214A (en) * 1994-07-19 1997-12-16 MAGNETI MARELLI S.p.A. Electronic concentration control system
US5842340A (en) * 1997-02-26 1998-12-01 Motorola Inc. Method for controlling the level of oxygen stored by a catalyst within a catalytic converter
US5956943A (en) * 1996-03-12 1999-09-28 MAGNETI MARELLI S.p.A. Method of diagnosing the efficiency of an exhaust gas stoichiometric composition sensor placed downstream of a catalytic converter
US6176080B1 (en) * 1997-09-10 2001-01-23 Honda Giken Kogyo Kabushiki Kaisha Oxygen concentration sensor abnormality-detecting system for internal combustion engines
US6494038B2 (en) * 2000-02-23 2002-12-17 Nissan Motor Co., Ltd. Engine air-fuel ratio controller
US6662638B2 (en) * 2001-11-26 2003-12-16 Ford Global Technologies, Llc System and method for determining degradation of an exhaust gas sensor in an engine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5331808A (en) * 1992-04-16 1994-07-26 Nippondenso Co., Ltd. Oxygen-sensor abnormality detecting device for internal combustion engine
US5533332A (en) * 1993-09-02 1996-07-09 Unisia Jecs Corporation Method and apparatus for self diagnosis of an internal combustion engine
US5697214A (en) * 1994-07-19 1997-12-16 MAGNETI MARELLI S.p.A. Electronic concentration control system
US5956943A (en) * 1996-03-12 1999-09-28 MAGNETI MARELLI S.p.A. Method of diagnosing the efficiency of an exhaust gas stoichiometric composition sensor placed downstream of a catalytic converter
US5842340A (en) * 1997-02-26 1998-12-01 Motorola Inc. Method for controlling the level of oxygen stored by a catalyst within a catalytic converter
US6176080B1 (en) * 1997-09-10 2001-01-23 Honda Giken Kogyo Kabushiki Kaisha Oxygen concentration sensor abnormality-detecting system for internal combustion engines
US6494038B2 (en) * 2000-02-23 2002-12-17 Nissan Motor Co., Ltd. Engine air-fuel ratio controller
US6662638B2 (en) * 2001-11-26 2003-12-16 Ford Global Technologies, Llc System and method for determining degradation of an exhaust gas sensor in an engine

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090288391A1 (en) * 2006-06-27 2009-11-26 Keiichiro Aoki Catalyst deterioration detection device
US20120324869A1 (en) * 2010-03-09 2012-12-27 Toyota Jidosha Kabushiki Kaisha Catalyst degradation detection apparatus
US8938947B2 (en) * 2010-03-09 2015-01-27 Toyota Jidosha Kabushiki Kaisha Catalyst degradation detection apparatus
US10316779B2 (en) 2013-10-01 2019-06-11 Toyota Jidosha Kabushiki Kaisha Abnormality diagnosis system of air-fuel ratio sensor
WO2015050267A1 (en) * 2013-10-01 2015-04-09 Toyota Jidosha Kabushiki Kaisha Abnormality diagnosis system of air-fuel ratio sensor
CN105593498A (zh) * 2013-10-01 2016-05-18 丰田自动车株式会社 空燃比传感器的异常诊断系统
AU2014330331B2 (en) * 2013-10-01 2016-12-15 Toyota Jidosha Kabushiki Kaisha Abnormality diagnosis system of air-fuel ratio sensor
US10365183B2 (en) 2013-10-01 2019-07-30 Toyota Jidosha Kabushiki Kaisha Abnormality diagnosis system of air-fuel ratio sensor
RU2643801C2 (ru) * 2013-10-01 2018-02-06 Тойота Дзидося Кабусики Кайся Система диагностики неисправности датчика соотношения воздух-топливо
JP2015071946A (ja) * 2013-10-01 2015-04-16 トヨタ自動車株式会社 空燃比センサの異常診断装置
US20150122003A1 (en) * 2013-11-04 2015-05-07 Denso Corporation Abnormality diagnosis device for exhaust gas sensor
US9945312B2 (en) * 2013-11-04 2018-04-17 Denso Corporation Abnormality diagnosis device for exhaust gas sensor
US9903292B2 (en) 2014-10-23 2018-02-27 Toyota Jidosha Kabushiki Kaisha Abnormality diagnosis system of air-fuel ratio sensor
AU2016201876B2 (en) * 2015-03-31 2017-09-28 Toyota Jidosha Kabushiki Kaisha Exhaust purification system of internal combustion engine
CN110050112A (zh) * 2016-12-09 2019-07-23 康明斯有限公司 用于催化剂传感器诊断的系统和方法
EP3551861A4 (de) * 2016-12-09 2020-11-04 Cummins Inc. Systeme und verfahren für katalysatorsensordiagnostik
US11255245B2 (en) * 2016-12-09 2022-02-22 Cummins Inc. Systems and methods for catalyst sensor diagnostics
CN114753939A (zh) * 2021-01-08 2022-07-15 丰田自动车株式会社 内燃机的控制装置及控制方法
US11441504B2 (en) 2021-01-08 2022-09-13 Toyota Jidosha Kabushiki Kaisha Controller and control method for internal combustion engine

Also Published As

Publication number Publication date
FR2840954A1 (fr) 2003-12-19
DE10326736A1 (de) 2004-01-08
JP2004019542A (ja) 2004-01-22

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AS Assignment

Owner name: TOYOTA JIDOSHA KABUSHIKI KAISHA, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HATTORI, KAZUTAKA;REEL/FRAME:014136/0366

Effective date: 20030526

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION