DE112007001052B8 - Vorrichtung zum Erfassen einer Katalysatorverschlechterung - Google Patents

Vorrichtung zum Erfassen einer Katalysatorverschlechterung Download PDF

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Publication number
DE112007001052B8
DE112007001052B8 DE112007001052T DE112007001052T DE112007001052B8 DE 112007001052 B8 DE112007001052 B8 DE 112007001052B8 DE 112007001052 T DE112007001052 T DE 112007001052T DE 112007001052 T DE112007001052 T DE 112007001052T DE 112007001052 B8 DE112007001052 B8 DE 112007001052B8
Authority
DE
Germany
Prior art keywords
catalyst deterioration
detecting catalyst
detecting
deterioration
catalyst
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
DE112007001052T
Other languages
English (en)
Other versions
DE112007001052T5 (de
DE112007001052B4 (de
Inventor
Keiichiro Aoki
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 DE112007001052T5 publication Critical patent/DE112007001052T5/de
Publication of DE112007001052B4 publication Critical patent/DE112007001052B4/de
Application granted granted Critical
Publication of DE112007001052B8 publication Critical patent/DE112007001052B8/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F01N11/007Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring oxygen or air concentration downstream of the exhaust apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0093Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are of the same type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/021Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/0295Control according to the amount of oxygen that is stored on the exhaust gas treating apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2550/00Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02Catalytic activity of catalytic converters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D2200/00Input parameters for engine control
    • F02D2200/02Input parameters for engine control the parameters being related to the engine
    • F02D2200/08Exhaust gas treatment apparatus parameters
    • F02D2200/0814Oxygen storage amount
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D2200/00Input parameters for engine control
    • F02D2200/02Input parameters for engine control the parameters being related to the engine
    • F02D2200/08Exhaust gas treatment apparatus parameters
    • F02D2200/0816Oxygen storage capacity
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/40Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE112007001052T 2006-06-27 2007-06-05 Vorrichtung zum Erfassen einer Katalysatorverschlechterung Expired - Fee Related DE112007001052B8 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006176822A JP4844257B2 (ja) 2006-06-27 2006-06-27 触媒劣化検出装置
JP2006-176822 2006-06-27
PCT/JP2007/061354 WO2008001584A1 (fr) 2006-06-27 2007-06-05 Unité de détection de dégradation de catalyseur

Publications (3)

Publication Number Publication Date
DE112007001052T5 DE112007001052T5 (de) 2009-02-19
DE112007001052B4 DE112007001052B4 (de) 2013-04-18
DE112007001052B8 true DE112007001052B8 (de) 2013-06-27

Family

ID=38845354

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112007001052T Expired - Fee Related DE112007001052B8 (de) 2006-06-27 2007-06-05 Vorrichtung zum Erfassen einer Katalysatorverschlechterung

Country Status (5)

Country Link
US (1) US20090288391A1 (de)
JP (1) JP4844257B2 (de)
CN (1) CN101479452B (de)
DE (1) DE112007001052B8 (de)
WO (1) WO2008001584A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7937209B2 (en) * 2007-08-17 2011-05-03 GM Global Technology Operations LLC Air fuel ratio control system for internal combustion engines
JP4844587B2 (ja) * 2008-04-23 2011-12-28 トヨタ自動車株式会社 触媒劣化診断装置
JP4578544B2 (ja) * 2008-07-07 2010-11-10 三菱電機株式会社 内燃機関の制御装置
JP5088632B2 (ja) * 2008-10-30 2012-12-05 トヨタ自動車株式会社 触媒劣化診断装置
GB0822626D0 (en) * 2008-12-12 2009-01-21 Univ Belfast Method and apparatus for ageing a catalytic converter
US8091416B2 (en) * 2009-01-16 2012-01-10 GM Global Technology Operations LLC Robust design of diagnostic enabling conditions for SCR NOx conversion efficiency monitor
GB2473215A (en) 2009-09-03 2011-03-09 Johnson Matthey Plc HC trap system comprising an oxygen storage component material
US8516796B2 (en) * 2009-11-20 2013-08-27 GM Global Technology Operations LLC System and method for monitoring catalyst efficiency and post-catalyst oxygen sensor performance
JP5071557B2 (ja) * 2010-02-15 2012-11-14 トヨタ自動車株式会社 内燃機関の触媒劣化診断装置
JP5024405B2 (ja) * 2010-03-09 2012-09-12 トヨタ自動車株式会社 触媒劣化検出装置
JP5029718B2 (ja) 2010-03-18 2012-09-19 トヨタ自動車株式会社 内燃機関の排気浄化装置
BR112012005529A2 (pt) * 2010-09-01 2017-02-21 Toyota Motor Co Ltd aparelho e método para detecção de deterioração do catalisador
GB2487386A (en) * 2011-01-19 2012-07-25 Gm Global Tech Operations Inc Method for managing transition between rich and lean engine modes
US8112218B2 (en) * 2011-03-10 2012-02-07 Ford Global Technologies, Llc Method for controlling an engine
US9163574B2 (en) * 2011-05-24 2015-10-20 Toyota Jidosha Kabushiki Kaisha Sensor characteristic correction device
US9599006B2 (en) 2011-08-30 2017-03-21 GM Global Technology Operations LLC Catalyst oxygen storage capacity adjustment systems and methods
US8793976B2 (en) 2012-01-19 2014-08-05 GM Global Technology Operations LLC Sulfur accumulation monitoring systems and methods
JP6165783B2 (ja) 2012-02-28 2017-07-19 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. 光ベースの皮膚トリートメントのための装置
US9771888B2 (en) 2013-10-18 2017-09-26 GM Global Technology Operations LLC System and method for controlling an engine based on an oxygen storage capability of a catalytic converter
US9650981B1 (en) 2015-12-28 2017-05-16 GM Global Technology Operations LLC Adjustment of measured oxygen storage capacity based on upstream O2 sensor performance
BR112018068854A2 (pt) * 2016-03-16 2019-01-22 Yamaha Motor Co Ltd veículo montado
JP6586942B2 (ja) * 2016-12-26 2019-10-09 トヨタ自動車株式会社 内燃機関の制御装置
JP2019138278A (ja) * 2018-02-15 2019-08-22 トヨタ自動車株式会社 異常診断装置
JP7044022B2 (ja) * 2018-09-25 2022-03-30 株式会社デンソー 排気浄化システムの制御装置
DE102018251720A1 (de) * 2018-12-27 2020-07-02 Robert Bosch Gmbh Verfahren zur Ermittlung einer maximalen Speicherfähigkeit eines Abgaskomponentenspeichers eines Katalysators
DE102019100577B3 (de) * 2019-01-11 2019-12-19 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Überwachung von Sensorsignalen und quantitative Ermittlung des stöchiometrischen Kraftstoff-Luftverhältnisses des gefahrenen Kraftstoffs mittels Injektortest und Katalysatordiagnose in einem Fahrzeug
KR20200111469A (ko) * 2019-03-19 2020-09-29 현대자동차주식회사 차량용 촉매의 고장 판단 시스템 및 방법
CN111140389B (zh) * 2019-12-25 2022-08-05 中国第一汽车股份有限公司 一种汽油机催化器清氧方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020152743A1 (en) * 2000-02-16 2002-10-24 Takeshi Nakamura Engine exhaust purification device
JP2003097334A (ja) * 2001-09-19 2003-04-03 Toyota Motor Corp 内燃機関の触媒劣化検出装置
DE10232385A1 (de) * 2001-07-18 2003-08-07 Toyota Motor Co Ltd Katalysatorverschlechterungserfassungsgerät und Verfahren

Family Cites Families (15)

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JPH06323133A (ja) * 1993-05-11 1994-11-22 Honda Motor Co Ltd 触媒コンバータの劣化検出装置
JPH07189797A (ja) * 1993-12-27 1995-07-28 Nissan Motor Co Ltd エンジンの空燃比制御装置
JP3722167B2 (ja) * 1995-11-08 2005-11-30 株式会社デンソー 触媒状態検出装置
US5845489A (en) * 1995-11-08 1998-12-08 Denso Corporation Abnormality detector for air-fuel ratio control system
JP3570274B2 (ja) * 1999-03-04 2004-09-29 トヨタ自動車株式会社 空燃比センサの制御装置
JP3680217B2 (ja) * 2000-06-26 2005-08-10 トヨタ自動車株式会社 内燃機関の空燃比制御装置
JP2003155953A (ja) * 2001-11-19 2003-05-30 Hitachi Unisia Automotive Ltd エンジンの空燃比検出装置
JP2004019542A (ja) * 2002-06-17 2004-01-22 Toyota Motor Corp 酸素センサの異常検出装置
JP4503222B2 (ja) * 2002-08-08 2010-07-14 本田技研工業株式会社 内燃機関の空燃比制御装置
JP4026505B2 (ja) * 2003-02-10 2007-12-26 トヨタ自動車株式会社 内燃機関の制御装置
DE10307010B3 (de) * 2003-02-19 2004-05-27 Siemens Ag Verfahren zur Einstellung einer definierten Sauerstoffbeladung mit binärer Lambdaregelung zur Durchführung der Abgaskatalysatordiagnose
JP3855979B2 (ja) * 2003-08-04 2006-12-13 トヨタ自動車株式会社 内燃機関の排気ガスセンサの制御装置
JP4312668B2 (ja) * 2004-06-24 2009-08-12 三菱電機株式会社 内燃機関の空燃比制御装置
JP2006017078A (ja) * 2004-07-05 2006-01-19 Toyota Industries Corp 内燃機関における触媒の劣化判定装置
JP2006152853A (ja) * 2004-11-26 2006-06-15 Toyota Motor Corp 触媒酸素吸蔵能力評価装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020152743A1 (en) * 2000-02-16 2002-10-24 Takeshi Nakamura Engine exhaust purification device
DE10232385A1 (de) * 2001-07-18 2003-08-07 Toyota Motor Co Ltd Katalysatorverschlechterungserfassungsgerät und Verfahren
JP2003097334A (ja) * 2001-09-19 2003-04-03 Toyota Motor Corp 内燃機関の触媒劣化検出装置

Also Published As

Publication number Publication date
JP2008008158A (ja) 2008-01-17
DE112007001052T5 (de) 2009-02-19
WO2008001584A1 (fr) 2008-01-03
DE112007001052B4 (de) 2013-04-18
CN101479452B (zh) 2011-09-14
JP4844257B2 (ja) 2011-12-28
US20090288391A1 (en) 2009-11-26
CN101479452A (zh) 2009-07-08

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R016 Response to examination communication
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R018 Grant decision by examination section/examining division
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Representative=s name: KUHNEN & WACKER PATENT- UND RECHTSANWALTSBUERO, DE

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Effective date: 20130719

R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee