DE69307824T2 - Vorrichtung zum Feststellen des Verschleisses eines Katalysators für eine Brennkraftmaschine - Google Patents

Vorrichtung zum Feststellen des Verschleisses eines Katalysators für eine Brennkraftmaschine

Info

Publication number
DE69307824T2
DE69307824T2 DE69307824T DE69307824T DE69307824T2 DE 69307824 T2 DE69307824 T2 DE 69307824T2 DE 69307824 T DE69307824 T DE 69307824T DE 69307824 T DE69307824 T DE 69307824T DE 69307824 T2 DE69307824 T2 DE 69307824T2
Authority
DE
Germany
Prior art keywords
wear
determining
combustion engine
internal combustion
catalytic converter
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 - Lifetime
Application number
DE69307824T
Other languages
English (en)
Other versions
DE69307824D1 (de
Inventor
Yasuhiro Shimizu
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
Priority claimed from JP4261840A external-priority patent/JP2621746B2/ja
Priority claimed from JP4263746A external-priority patent/JP2570555B2/ja
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of DE69307824D1 publication Critical patent/DE69307824D1/de
Application granted granted Critical
Publication of DE69307824T2 publication Critical patent/DE69307824T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02D41/02—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
    • F02D41/1443—Plural sensors with one sensor per cylinder or group of cylinders
    • 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
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • 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
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F01N11/007—Monitoring 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
    • 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
    • F01N13/00—Exhaust 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
    • F01N13/009—Exhaust 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
    • 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
    • F01N13/00—Exhaust 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
    • F01N13/011—Exhaust 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 purifying devices arranged in parallel
    • 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
    • F01N13/00—Exhaust 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • F01N13/107—More than one exhaust manifold or exhaust collector
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/16—Plurality of inlet tubes, e.g. discharging into different chambers
    • 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
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02—Catalytic activity of catalytic converters
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0422—Methods of control or diagnosing measuring the elapsed time
    • 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
    • Y02T10/12—Improving ICE efficiencies
    • 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
DE69307824T 1992-09-30 1993-09-29 Vorrichtung zum Feststellen des Verschleisses eines Katalysators für eine Brennkraftmaschine Expired - Lifetime DE69307824T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4261840A JP2621746B2 (ja) 1992-09-30 1992-09-30 内燃機関の触媒劣化検出装置
JP4263746A JP2570555B2 (ja) 1992-10-01 1992-10-01 内燃機関の触媒劣化検出装置

Publications (2)

Publication Number Publication Date
DE69307824D1 DE69307824D1 (de) 1997-03-13
DE69307824T2 true DE69307824T2 (de) 1997-06-19

Family

ID=26545272

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69307824T Expired - Lifetime DE69307824T2 (de) 1992-09-30 1993-09-29 Vorrichtung zum Feststellen des Verschleisses eines Katalysators für eine Brennkraftmaschine

Country Status (3)

Country Link
US (1) US5417058A (de)
EP (1) EP0595044B1 (de)
DE (1) DE69307824T2 (de)

Cited By (1)

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DE10101593A1 (de) * 2001-01-16 2002-07-18 Bayerische Motoren Werke Ag Verfahren zum Betreiben eines mit direkter Kraftstoffeinspritzung in den Brenn raum versehenen Verbrennungsmotors

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US5385016A (en) * 1993-12-27 1995-01-31 Ford Motor Company Air/fuel control system responsive to duo upstream EGO sensors with converter monitoring
JPH07224703A (ja) * 1994-02-09 1995-08-22 Fuji Heavy Ind Ltd 空燃比制御方法
JP3380366B2 (ja) * 1995-05-22 2003-02-24 株式会社日立製作所 エンジン排気ガス浄化装置の診断装置
DE69627100T2 (de) * 1995-10-26 2004-02-19 Toyota Jidosha K.K., Toyota Feststellungsvorrichtung der Katalysatorverschlechterung einer Brennkraftmaschine
JP3156604B2 (ja) * 1996-02-28 2001-04-16 トヨタ自動車株式会社 内燃機関の空燃比制御装置
US5887421A (en) * 1996-03-18 1999-03-30 Toyota Jidosha Kabushiki Kaisha Apparatus for detecting the deterioration of a three-way catalytic converter for an internal combustion engine
JP3336854B2 (ja) * 1996-04-11 2002-10-21 トヨタ自動車株式会社 内燃機関の触媒劣化判別装置
US5894727A (en) * 1997-11-03 1999-04-20 Ford Global Technologies, Inc. Method and system for generating an inferred EGO signal in an asymmetrical Y-pipe exhaust system
US6151889A (en) * 1998-10-19 2000-11-28 Ford Global Technologies, Inc. Catalytic monitoring method
JP2000320371A (ja) * 1999-05-10 2000-11-21 Toyota Motor Corp 内燃機関の空燃比制御装置
JP3838318B2 (ja) * 1999-06-04 2006-10-25 日産自動車株式会社 エンジンの空燃比制御装置
JP3672081B2 (ja) * 1999-10-29 2005-07-13 株式会社デンソー 内燃機関の排ガス浄化装置
US6301880B1 (en) 2000-01-20 2001-10-16 Ford Global Technologies, Inc. Method and system for controlling air/fuel level for internal combustion engine with two exhaust banks
US6276129B1 (en) 2000-01-20 2001-08-21 Ford Global Technologies, Inc. Method for controlling air/fuel mixture in an internal combustion engine
US6354077B1 (en) 2000-01-20 2002-03-12 Ford Global Technologies, Inc. Method and system for controlling air/fuel level in two-bank exhaust system
US6282888B1 (en) * 2000-01-20 2001-09-04 Ford Technologies, Inc. Method and system for compensating for degraded pre-catalyst oxygen sensor in a two-bank exhaust system
EP1118752B1 (de) 2000-01-20 2004-09-22 Ford Global Technologies, Inc. Diagnosesystem zur Überwachung der Funktionsfähigkeit eines Katalysators unter Verwendung eines Bogenlängen-Verhältnisses
US6467254B1 (en) 2000-01-20 2002-10-22 Ford Global Technologies, Inc. Diagnostic system for detecting catalyst failure using switch ratio
JP2001227369A (ja) * 2000-02-17 2001-08-24 Honda Motor Co Ltd 気筒休止内燃機関の制御装置
JP2003120381A (ja) * 2001-10-15 2003-04-23 Nissan Motor Co Ltd 内燃機関の空燃比制御装置
US6725830B2 (en) * 2002-06-04 2004-04-27 Ford Global Technologies, Llc Method for split ignition timing for idle speed control of an engine
US20050193988A1 (en) * 2004-03-05 2005-09-08 David Bidner System for controlling valve timing of an engine with cylinder deactivation
DE10257059B4 (de) * 2002-12-06 2013-05-23 Volkswagen Ag Verfahren und Vorrichtung zur Diagnose von Katalysatoreinheiten
US7028670B2 (en) * 2004-03-05 2006-04-18 Ford Global Technologies, Llc Torque control for engine during cylinder activation or deactivation
US6978204B2 (en) * 2004-03-05 2005-12-20 Ford Global Technologies, Llc Engine system and method with cylinder deactivation
US7159387B2 (en) 2004-03-05 2007-01-09 Ford Global Technologies, Llc Emission control device
US7025039B2 (en) * 2004-03-05 2006-04-11 Ford Global Technologies, Llc System and method for controlling valve timing of an engine with cylinder deactivation
US7073322B2 (en) * 2004-03-05 2006-07-11 Ford Global Technologies, Llc System for emission device control with cylinder deactivation
US7073494B2 (en) * 2004-03-05 2006-07-11 Ford Global Technologies, Llc System and method for estimating fuel vapor with cylinder deactivation
US7044885B2 (en) * 2004-03-05 2006-05-16 Ford Global Technologies, Llc Engine system and method for enabling cylinder deactivation
US7367180B2 (en) * 2004-03-05 2008-05-06 Ford Global Technologies Llc System and method for controlling valve timing of an engine with cylinder deactivation
US7086386B2 (en) * 2004-03-05 2006-08-08 Ford Global Technologies, Llc Engine system and method accounting for engine misfire
JP6318005B2 (ja) * 2014-05-28 2018-04-25 日立オートモティブシステムズ株式会社 エンジンの制御装置

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10101593A1 (de) * 2001-01-16 2002-07-18 Bayerische Motoren Werke Ag Verfahren zum Betreiben eines mit direkter Kraftstoffeinspritzung in den Brenn raum versehenen Verbrennungsmotors
DE10101593B4 (de) * 2001-01-16 2010-07-15 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Betreiben eines mit direkter Kraftstoffeinspritzung in den Brennraum versehenen Verbrennungsmotors

Also Published As

Publication number Publication date
EP0595044A3 (de) 1995-02-15
EP0595044A2 (de) 1994-05-04
DE69307824D1 (de) 1997-03-13
EP0595044B1 (de) 1997-01-29
US5417058A (en) 1995-05-23

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