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FR2640383B1 - Procede et dispositif pour determiner l'etat de catalyseurs dans des moteurs a combustion interne - Google Patents

Procede et dispositif pour determiner l'etat de catalyseurs dans des moteurs a combustion interne

Info

Publication number
FR2640383B1
FR2640383B1 FR8916288A FR8916288A FR2640383B1 FR 2640383 B1 FR2640383 B1 FR 2640383B1 FR 8916288 A FR8916288 A FR 8916288A FR 8916288 A FR8916288 A FR 8916288A FR 2640383 B1 FR2640383 B1 FR 2640383B1
Authority
FR
France
Prior art keywords
catalysts
determining
condition
internal combustion
combustion engines
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
FR8916288A
Other languages
English (en)
Other versions
FR2640383A1 (fr
Inventor
Ferry Duerschmidt
Hartmut Kolb
Wolfgang Strauss
Hartmut Weckenmann
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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 Daimler Benz AG filed Critical Daimler Benz AG
Publication of FR2640383A1 publication Critical patent/FR2640383A1/fr
Application granted granted Critical
Publication of FR2640383B1 publication Critical patent/FR2640383B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F01N13/008—Mounting or arrangement of exhaust sensors in or on 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/10—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using catalysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
    • 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food Science & Technology (AREA)
  • Molecular Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
FR8916288A 1988-12-10 1989-12-08 Procede et dispositif pour determiner l'etat de catalyseurs dans des moteurs a combustion interne Expired - Fee Related FR2640383B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3841685A DE3841685A1 (de) 1988-12-10 1988-12-10 Verfahren zur erkennung des zustandes von katalysatoren

Publications (2)

Publication Number Publication Date
FR2640383A1 FR2640383A1 (fr) 1990-06-15
FR2640383B1 true FR2640383B1 (fr) 1994-06-03

Family

ID=6368911

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8916288A Expired - Fee Related FR2640383B1 (fr) 1988-12-10 1989-12-08 Procede et dispositif pour determiner l'etat de catalyseurs dans des moteurs a combustion interne

Country Status (6)

Country Link
US (1) US5018348A (fr)
JP (1) JPH02190756A (fr)
DE (1) DE3841685A1 (fr)
FR (1) FR2640383B1 (fr)
GB (1) GB2225860B (fr)
IT (1) IT1237223B (fr)

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US5154055A (en) * 1990-01-22 1992-10-13 Nippondenso Co., Ltd. Apparatus for detecting purification factor of catalyst
JPH0417141U (fr) * 1990-05-30 1992-02-13
JP2600987B2 (ja) * 1990-07-09 1997-04-16 日産自動車株式会社 空燃比制御装置の診断装置
DE4022546A1 (de) * 1990-07-16 1992-01-23 Emitec Emissionstechnologie Messfuehler fuer ein abgassystem und verfahren zu seinem betrieb
DE4024210C2 (de) * 1990-07-31 1999-09-02 Bosch Gmbh Robert Verfahren zur Lambdaregelung einer Brennkraftmaschine mit Katalysator
JP2943433B2 (ja) * 1990-08-24 1999-08-30 株式会社デンソー 触媒の浄化率検出装置
DE4032721A1 (de) * 1990-10-15 1992-04-16 Emitec Emissionstechnologie Ueberwachung der funktion eines von einem katalysierbaren fluid durchstroembaren katalysators
DE4027207A1 (de) * 1990-08-28 1992-03-05 Emitec Emissionstechnologie Ueberwachung der katalytischen aktivitaet eines katalysators im abgassystem einer brennkraftmaschine
JP2705039B2 (ja) * 1990-08-28 1998-01-26 本田技研工業株式会社 内燃エンジンの三元触媒の劣化検出装置
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
JP3186076B2 (ja) * 1991-03-20 2001-07-11 株式会社日立製作所 内燃機関の排気浄化用触媒転換効率推定法
DE4128718C2 (de) * 1991-08-29 2001-02-01 Bosch Gmbh Robert Verfahren und Vorrichtung zur Kraftstoffmengenregelung für einen Verbrennungsmotor mit Katalysator
JPH0598947A (ja) * 1991-10-11 1993-04-20 Toyota Motor Corp 内燃機関の触媒劣化判別装置
JP2812023B2 (ja) * 1991-11-12 1998-10-15 トヨタ自動車株式会社 触媒劣化度検出装置
DE4139560C2 (de) * 1991-11-30 2001-02-22 Bosch Gmbh Robert Verfahren und Vorrichtung zum Gewinnen eines Beurteilungswertes für den Alterungszustand eines Katalysators
JPH05263686A (ja) * 1992-03-23 1993-10-12 Toyota Motor Corp 内燃機関の触媒劣化判別装置
JPH0650194A (ja) * 1992-07-31 1994-02-22 Honda Motor Co Ltd 内燃エンジンの酸素センサ劣化検出装置
JP3010921B2 (ja) * 1992-08-27 2000-02-21 日産自動車株式会社 内燃機関の触媒劣化診断装置
JP2624107B2 (ja) * 1992-12-09 1997-06-25 トヨタ自動車株式会社 触媒劣化検出装置
JP2858288B2 (ja) * 1993-09-02 1999-02-17 株式会社ユニシアジェックス 内燃機関の空燃比制御装置における自己診断装置
DE4342136B4 (de) * 1993-12-10 2004-03-11 Audi Ag Verfahren zur Diagnose einer Lambda-Sonde
JP3355807B2 (ja) * 1994-09-19 2002-12-09 日産自動車株式会社 内燃機関の酸素センサ付触媒コンバータ装置
DE19506012C2 (de) * 1995-02-17 1998-12-10 Siemens Ag Vorrichtung zur Anpassung von Verfahren zur Katalysatorwirkungsgradüberprüfung an Katalysatoren für Brennkraftmaschinen mit zwei Lambdasonden
KR100345733B1 (ko) * 1997-12-20 2002-09-18 주식회사 포스코 클라우스플랜트촉매수명분석방법
DE19801626B4 (de) * 1998-01-17 2010-08-12 Robert Bosch Gmbh Diagnose eines NOx-Speicherkatalysators beim Betrieb von Verbrennungsmotoren
US6286305B1 (en) 2000-02-23 2001-09-11 Daimlerchrysler Corporation Model based enrichment for exhaust temperature protection
DE10053629A1 (de) 2000-10-28 2002-05-02 Bayerische Motoren Werke Ag Steuerverfahren für einen Verbrennungsmotor mit einem Abgas-Katalysator
US6804951B2 (en) * 2002-11-06 2004-10-19 Ford Global Technologies, Llc On-board diagnostic catalyst monitoring system
EP1426751A1 (fr) * 2002-12-02 2004-06-09 Delphi Technologies, Inc. Dispositif d'échantillon nage de gaz d'échappement
DE10345896A1 (de) 2003-09-30 2005-04-21 Emitec Emissionstechnologie Beschichteter Wabenkörper mit Messfühler
DE102004027907A1 (de) * 2004-06-09 2005-12-29 Emitec Gesellschaft Für Emissionstechnologie Mbh Regelsystem für eine mobile Verbrennungskraftmaschine
DE102004055231B3 (de) * 2004-11-16 2006-07-20 Siemens Ag Verfahren und Vorrichtung zur Lambda-Regelung bei einer Brennkraftmaschine
DE602005004772T2 (de) * 2005-06-28 2009-02-19 Delphi Technologies, Inc., Troy Verfahren zum Feststellen der Wirksamkeit einer Katalysatorvorrichtung im Abgasstrang einer mehrzylindrigen Brennkraftmaschine
US8110154B2 (en) * 2006-02-01 2012-02-07 Katcon Global S.A. Exhaust treatment device with sensor and method of making
GB0716833D0 (en) * 2007-08-31 2007-10-10 Nunn Andrew D On board diagnostic system
JP5135302B2 (ja) * 2009-08-25 2013-02-06 関西電力株式会社 酸素を含む流体の反応解析方法及び装置
DE102014208095B4 (de) * 2014-04-29 2016-06-30 Mtu Friedrichshafen Gmbh Verfahren zur Alterungserkennung eines heterogenen Katalysators, Abgasnachbehandlungssystem für eine Brennkraftmaschine und Brennkraftmaschine
DE102016121155B3 (de) * 2016-11-07 2017-07-13 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine mit einer Abgasnachbehandlung
BR202017013993U2 (pt) * 2017-06-28 2019-01-15 William Luiz De Lima dispositivo eletrônico de alerta para veículos
JP6881363B2 (ja) * 2018-03-16 2021-06-02 トヨタ自動車株式会社 異常診断装置

Family Cites Families (13)

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DE2444334A1 (de) * 1974-09-17 1976-03-25 Bosch Gmbh Robert Verfahren und einrichtung zur ueberwachung der aktivitaet von katalytischen reaktoren
DE2758835C2 (de) * 1977-12-30 1985-11-14 Robert Bosch Gmbh, 7000 Stuttgart Meßfühleranordnung
DE3224347A1 (de) * 1982-06-30 1983-08-04 Daimler-Benz Ag, 7000 Stuttgart Einrichtung zum verringern von abgas-schadstoffkomponenten einer brennkraftmaschine
CH668620A5 (de) * 1984-04-12 1989-01-13 Daimler Benz Ag Verfahren zur ueberpruefung und justierung von katalytischen abgasreinigungsanlagen von verbrennungsmotoren.
DE3443649A1 (de) * 1984-11-30 1986-06-05 Daimler-Benz Ag, 7000 Stuttgart Verfahren zur ueberpruefung der katalysatorfunktion bei einem mit (lambda)-sonden-regelung ausgeruesteten kraftfahrzeug-otto-motor
US4739614A (en) * 1985-02-22 1988-04-26 Toyota Jidosha Kabushiki Kaisha Double air-fuel ratio sensor system in internal combustion engine
JPH066913B2 (ja) * 1985-02-23 1994-01-26 トヨタ自動車株式会社 内燃機関の空燃比制御装置
US4707984A (en) * 1985-04-15 1987-11-24 Toyota Jidosha Kabushiki Kaisha Double air-fuel ratio sensor system having improved response characteristics
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
JPS6260941A (ja) * 1985-09-10 1987-03-17 Toyota Motor Corp 内燃機関の空燃比制御装置
CA1256569A (fr) * 1985-09-12 1989-06-27 Toshinari Nagai Systeme a double sonde du rapport air/carburant assimilateur de la fonction commande-regulation
DE3710268A1 (de) * 1987-03-28 1988-10-06 Phywe Systeme Gmbh Verfahren zur funktionsueberwachung von katalysatoren

Also Published As

Publication number Publication date
GB8927356D0 (en) 1990-01-31
GB2225860B (en) 1993-06-23
JPH02190756A (ja) 1990-07-26
IT8948609A0 (it) 1989-11-28
FR2640383A1 (fr) 1990-06-15
GB2225860A (en) 1990-06-13
IT1237223B (it) 1993-05-27
DE3841685A1 (de) 1990-06-13
DE3841685C2 (fr) 1990-09-20
US5018348A (en) 1991-05-28

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Legal Events

Date Code Title Description
ST Notification of lapse