DE69204298D1 - Überwachungsverfahren des wirkungsgrads eines katalysators zur abbehandlung von verbrennungsmotor-abgasen. - Google Patents

Überwachungsverfahren des wirkungsgrads eines katalysators zur abbehandlung von verbrennungsmotor-abgasen.

Info

Publication number
DE69204298D1
DE69204298D1 DE69204298T DE69204298T DE69204298D1 DE 69204298 D1 DE69204298 D1 DE 69204298D1 DE 69204298 T DE69204298 T DE 69204298T DE 69204298 T DE69204298 T DE 69204298T DE 69204298 D1 DE69204298 D1 DE 69204298D1
Authority
DE
Germany
Prior art keywords
catalyst
efficiency
exhaust gas
combustion engine
monitoring method
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
DE69204298T
Other languages
English (en)
Other versions
DE69204298T2 (de
Inventor
Alain Atanasyan
Francis Tarroux
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.)
Continental Automotive France SAS
Original Assignee
Siemens Automotive SA
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 Siemens Automotive SA filed Critical Siemens Automotive SA
Application granted granted Critical
Publication of DE69204298D1 publication Critical patent/DE69204298D1/de
Publication of DE69204298T2 publication Critical patent/DE69204298T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/24Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425Particular ways of programming the data
    • F02D41/2429Methods of calibrating or learning
    • F02D41/2451Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2454Learning of the air-fuel ratio control
    • F02D41/2458Learning of the air-fuel ratio control with an additional dither signal
    • 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
    • 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
DE69204298T 1991-10-28 1992-10-06 Überwachungsverfahren des wirkungsgrads eines katalysators zur abbehandlung von verbrennungsmotor-abgasen. Expired - Fee Related DE69204298T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9113237A FR2682993B1 (fr) 1991-10-28 1991-10-28 Procede de surveillance de l'efficacite d'un pot catalytique de traitement des gaz d'echappement d'un moteur a combustion interne.
PCT/EP1992/002303 WO1993009335A1 (en) 1991-10-28 1992-10-06 Method for monitoring the efficiency of a catalytic converter for treating exhaust gases from an internal combustion engine

Publications (2)

Publication Number Publication Date
DE69204298D1 true DE69204298D1 (de) 1995-09-28
DE69204298T2 DE69204298T2 (de) 1996-04-04

Family

ID=9418347

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69204298T Expired - Fee Related DE69204298T2 (de) 1991-10-28 1992-10-06 Überwachungsverfahren des wirkungsgrads eines katalysators zur abbehandlung von verbrennungsmotor-abgasen.

Country Status (8)

Country Link
US (1) US5487269A (de)
EP (1) EP0611415B1 (de)
JP (1) JPH07500398A (de)
KR (1) KR100259478B1 (de)
DE (1) DE69204298T2 (de)
ES (1) ES2076038T3 (de)
FR (1) FR2682993B1 (de)
WO (1) WO1993009335A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1257100B (it) * 1992-09-14 1996-01-05 Fiat Auto Spa Sistema di monitoraggio dell'efficienza di un catalizzatore, particolarmente per autoveicoli.
ES2083793T3 (es) * 1993-05-27 1996-04-16 Siemens Ag Procedimiento para la comprobacion del rendimiento de un catalizador.
US5732553A (en) * 1995-04-20 1998-03-31 Toyota Jidosha Kabushiki Kaisha Device for determining deterioration of a catalytic converter for an engine
JP3542404B2 (ja) * 1995-04-26 2004-07-14 本田技研工業株式会社 内燃機関の空燃比制御装置
US5737916A (en) * 1995-10-26 1998-04-14 Toyota Jidosha Kabushiki Kaisha Catalyst deterioration detection device for internal combustion engine
GB2311863B (en) * 1996-04-03 1999-11-24 Gen Motors Corp Catalytic converter monitor
US5966930A (en) * 1996-08-22 1999-10-19 Honda Giken Kogyo Kabushiki Kaisha Catalyst deterioration-determining system for internal combustion engines
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
US5842339A (en) * 1997-02-26 1998-12-01 Motorola Inc. Method for monitoring the performance of a catalytic converter
US5848528A (en) * 1997-08-13 1998-12-15 Siemens Automotive Corporation Optimization of closed-loop and post O2 fuel control by measuring catalyst oxygen storage capacity
GB9722950D0 (en) * 1997-10-30 1998-01-07 Lotus Car A method of monitoring efficiency of a catalytic converter and a control systemsuitable for use in the method
FR2774127B1 (fr) * 1998-01-26 2000-03-31 Renault Procede de surveillance du fonctionnement d'un pot catalytique de vehicule automobile
JP3868693B2 (ja) 1999-03-03 2007-01-17 日産自動車株式会社 内燃機関の空燃比制御装置
JP3625163B2 (ja) * 1999-11-08 2005-03-02 株式会社デンソー 排気浄化用触媒の劣化検出装置
JP3528739B2 (ja) * 2000-02-16 2004-05-24 日産自動車株式会社 エンジンの排気浄化装置
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
JP4635365B2 (ja) * 2001-04-11 2011-02-23 三菱自動車工業株式会社 排気浄化触媒の劣化判定装置
US6694244B2 (en) * 2001-06-19 2004-02-17 Ford Global Technologies, Llc Method for quantifying oxygen stored in a vehicle emission control device
DE10307010B3 (de) 2003-02-19 2004-05-27 Siemens Ag Verfahren zur Einstellung einer definierten Sauerstoffbeladung mit binärer Lambdaregelung zur Durchführung der Abgaskatalysatordiagnose
US7431502B2 (en) * 2004-09-15 2008-10-07 Anchor Lamina America, Inc. Universal cam slide
DE102005011446B4 (de) * 2005-03-12 2007-04-12 Audi Ag Verfahren zur Bestimmung des tatsächlichen Mittelwertes der Sauerstoffbeladung eines Abgaskatalysators
DE102005059894B4 (de) 2005-12-15 2019-07-25 Robert Bosch Gmbh Verfahren zur Messung der Sauerstoffspeicherfähigkeit einer Abgasreinigungsanlage
FR3114842A1 (fr) 2020-10-06 2022-04-08 Psa Automobiles Sa Procede de diagnostic d’endommagement d’un catalyseur et d’une sonde a oxygene

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH668620A5 (de) * 1984-04-12 1989-01-13 Daimler Benz Ag Verfahren zur ueberpruefung und justierung von katalytischen abgasreinigungsanlagen von verbrennungsmotoren.
DE3524592C1 (de) * 1985-07-10 1986-09-25 Pierburg Gmbh & Co Kg, 4040 Neuss Verfahren zur UEberpruefung der Funktionstuechtigkeit katalytischer Reaktoren und Einrichtung zur Durchfuehrung des Verfahrens
DE3527175A1 (de) * 1985-07-30 1987-02-12 Daimler Benz Ag Verfahren zur erkennung des alterungszustandes eines abgaskatalysators bei einem mit (lambda)-sonderregelung des kraftstoff-luft-verhaeltnisses ausgeruesteten verbrennungsmotor
US5077970A (en) * 1990-06-11 1992-01-07 Ford Motor Company Method of on-board detection of automotive catalyst degradation
JP2796413B2 (ja) * 1990-08-29 1998-09-10 株式会社日立製作所 内燃機関の空燃比制御方法及び装置

Also Published As

Publication number Publication date
DE69204298T2 (de) 1996-04-04
KR100259478B1 (ko) 2000-06-15
EP0611415B1 (de) 1995-08-23
US5487269A (en) 1996-01-30
JPH07500398A (ja) 1995-01-12
EP0611415A1 (de) 1994-08-24
ES2076038T3 (es) 1995-10-16
FR2682993A1 (fr) 1993-04-30
WO1993009335A1 (en) 1993-05-13
FR2682993B1 (fr) 1994-01-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BERG, P., DIPL.-ING., PAT.-ASS., 80339 MUENCHEN

8327 Change in the person/name/address of the patent owner

Owner name: SIEMENS VDO AUTOMOTIVE, TOULOUSE, FR

8328 Change in the person/name/address of the agent

Representative=s name: MAIER, D., DIPL.-ING. UNIV., PAT.-ASS., 85221 DACH

8339 Ceased/non-payment of the annual fee