FR2849471B1 - Procede pour le diagnostic d'un catalyseur dans un flux de gaz d'echappement d'un moteur a combustion interne et dispositif pour la mise en oeuvre du procede - Google Patents

Procede pour le diagnostic d'un catalyseur dans un flux de gaz d'echappement d'un moteur a combustion interne et dispositif pour la mise en oeuvre du procede

Info

Publication number
FR2849471B1
FR2849471B1 FR0315579A FR0315579A FR2849471B1 FR 2849471 B1 FR2849471 B1 FR 2849471B1 FR 0315579 A FR0315579 A FR 0315579A FR 0315579 A FR0315579 A FR 0315579A FR 2849471 B1 FR2849471 B1 FR 2849471B1
Authority
FR
France
Prior art keywords
diagnosis
implementing
catalyst
exhaust gas
combustion engine
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
FR0315579A
Other languages
English (en)
Other versions
FR2849471A1 (fr
Inventor
Ekkehard Pott
Axel Lang
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.)
Volkswagen AG
Original Assignee
Volkswagen 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
Priority claimed from DE10305452A external-priority patent/DE10305452B4/de
Application filed by Volkswagen AG filed Critical Volkswagen AG
Publication of FR2849471A1 publication Critical patent/FR2849471A1/fr
Application granted granted Critical
Publication of FR2849471B1 publication Critical patent/FR2849471B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F02D41/008Controlling each cylinder individually
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404Removing only nitrogen compounds
    • B01D53/9409Nitrogen oxides
    • B01D53/9431Processes characterised by a specific device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9495Controlling the catalytic process
    • 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
    • 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
    • F01N13/011Exhaust 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
    • 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
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842Nitrogen oxides
    • 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
    • F02D41/027Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
    • F02D41/0275Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
    • 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
    • F01N2250/00Combinations of different methods of purification
    • F01N2250/12Combinations of different methods of purification absorption or adsorption, and catalytic conversion
    • 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
    • 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
    • F01N2550/03Monitoring or diagnosing the deterioration of exhaust systems of sorbing activity of adsorbents or absorbents
    • 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
    • F01N2570/00Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14Nitrogen oxides
    • 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
    • F01N2570/00Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/16Oxygen
    • 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
    • F01N2610/00Adding substances to exhaust gases
    • F01N2610/03Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
    • 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
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • 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
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1438Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • 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)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas After Treatment (AREA)
FR0315579A 2002-12-30 2003-12-30 Procede pour le diagnostic d'un catalyseur dans un flux de gaz d'echappement d'un moteur a combustion interne et dispositif pour la mise en oeuvre du procede Expired - Fee Related FR2849471B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10261753 2002-12-30
DE10305452A DE10305452B4 (de) 2002-12-30 2003-02-11 Verfahren zur Diagnose eines Katalysators im Abgasstrom einer Brennkraftmaschine und Vorrichtung zur Durchführung des Verfahrens
DE10309421A DE10309421B4 (de) 2002-12-30 2003-03-05 Verfahren zur Diagnose eines Katalysators in Abgasstrom einer Brennkraftmaschine und Vorrichtung zur Durchführung des Verfahrens

Publications (2)

Publication Number Publication Date
FR2849471A1 FR2849471A1 (fr) 2004-07-02
FR2849471B1 true FR2849471B1 (fr) 2006-02-10

Family

ID=32511961

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0315579A Expired - Fee Related FR2849471B1 (fr) 2002-12-30 2003-12-30 Procede pour le diagnostic d'un catalyseur dans un flux de gaz d'echappement d'un moteur a combustion interne et dispositif pour la mise en oeuvre du procede

Country Status (1)

Country Link
FR (1) FR2849471B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005062122B4 (de) 2005-12-23 2016-06-30 Robert Bosch Gmbh Verfahren und Steuergerät zur Diagnose eines Katalysatorsystems eines Verbrennungsmotors
GB2490940A (en) * 2011-05-19 2012-11-21 Gm Global Tech Operations Inc Method for operating a lean NOx trap
FR3033832B1 (fr) * 2015-03-17 2017-03-24 Peugeot Citroen Automobiles Sa Procede de purge ou de charge d’oxygene d’un catalyseur installe dans le flux d’un moteur
CN115387889B (zh) * 2022-08-10 2024-08-23 长城汽车股份有限公司 一种催化器故障确定方法、装置、车辆及存储介质

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2836523B2 (ja) * 1995-03-24 1998-12-14 トヨタ自動車株式会社 内燃機関の排気浄化装置
US5704339A (en) * 1996-04-26 1998-01-06 Ford Global Technologies, Inc. method and apparatus for improving vehicle fuel economy
DE19801626B4 (de) * 1998-01-17 2010-08-12 Robert Bosch Gmbh Diagnose eines NOx-Speicherkatalysators beim Betrieb von Verbrennungsmotoren
DE19823921A1 (de) * 1998-05-28 1999-12-02 Siemens Ag Verfahren zur Überprüfung des Wirkungsgrades eines NOx-Speicherkatalysators

Also Published As

Publication number Publication date
FR2849471A1 (fr) 2004-07-02

Similar Documents

Publication Publication Date Title
FR2872201B1 (fr) Procede de dosage du carburant dans le canal des gaz d'echappement d'un moteur a combustion interne et dispositif pour sa mise en oeuvre
FR2875847B1 (fr) Procede de gestion d'un filtre a particules installe dans la zone des gaz d'echappement d'un moteur combustion interne et dispositif pour la mise en oeuvre du procede
FR2810079B1 (fr) Appareil de recirculation des gaz d'echappement susceptible d'etre utilise sur un moteur a combustion interne et son procede de mise en oeuvre
FR2868470B1 (fr) Dispositif de purification de gaz d'echappement et procede de purification de gaz d'echappement pour un moteur a combustion interne
FR2914354B1 (fr) Procede de diagnostic d'un capteur de gaz d'echappement installe dans la zone des gaz d'echappement d'un moteur a combustion interne et dispositif pour la mise en oeuvre.
FR2828714B1 (fr) Procede et dispositif de mise en oeuvre d'un moteur a combustion interne
FR2818310B1 (fr) Dispositif et procede de chauffage d'un catalyseur de gaz d'echappement pour moteur a combustion interne a suralimentation
FR2906312B1 (fr) Procede de diagnostic d'un capteur de gaz d'echappement equipant un moteur a combustion interne et dispositif pour sa mise en oeuvre.
FR2803877B1 (fr) Procede et dispositif de surveillance de fonctionnement d'un clapet pour ecoulement des gaz, notamment d'un moteur a combustion interne
FR2833994B1 (fr) Procede et dispositif de controle de l'etat de fonctionnement d'un convertisseur catalytique d'une ligne d'echappement d'un moteur a combustion interne
FR2879657B1 (fr) Procede de gestion d'un moteur a combustion interne et dispositif pour la mise en oeuvre du procede
FR2813100B1 (fr) Procede et dispositif pour la mise en oeuvre d'un moteur a combustion interne
FR2838500B1 (fr) Valve de by-pass pour dispositif refroidisseur de gaz d'un moteur a combustion interne
FR2829181B1 (fr) Dispositif et procede de purification de gaz d'echappement pour un moteur a combustion interne
FR2832758B1 (fr) Procede et dispositif de diagnostic de l'etat de fonctionnement d'une ligne d'echappement d'un moteur a combustion interne
FR2831923B1 (fr) Systeme et procede de purification de gaz d'echappement destines a un moteur a combustion interne
FR2849471B1 (fr) Procede pour le diagnostic d'un catalyseur dans un flux de gaz d'echappement d'un moteur a combustion interne et dispositif pour la mise en oeuvre du procede
FR2885953B1 (fr) Dispositif d'aide au fonctionnement d'un catalyseur d'oxydation pour l'epuration de gaz d'echappement d'un moteur a combustion interne et procede associe
FR2890412B1 (fr) Procede pour introduire un agent reactif dans la zone des gaz d'echappement d'un moteur a combustion et dispositif pour la mise en oeuvre du procede
FR2896270B1 (fr) Procede de gestion d'un filtre a particules installe dans le systeme des gaz d'echappement d'un moteur a combustion interne et dispositif pour la mise en oeuvre du procede
FR2818687B1 (fr) Dispositif de purification des gaz d'echappement et procede pour un moteur a combustion interne
FR2866061B1 (fr) Dispositif d'epuration des gaz d'echappement d'un moteur a combustion interne et procede de regeneration d'un tel dispositif
FR2847671B1 (fr) Dispositif de mesure de la quantite de particules contenues dans un fluide, notamment dans les gaz d'echappement d'un moteur a combustion interne
FR2855847B1 (fr) Procede et dispositif d'execution du procede pour determiner l'etat de charge d'un composant installe dans la zone des gaz d'echappement d'un moteur a combustion interne
FR2836957B1 (fr) Procede et dispositif destines a la surveillance du mode de fonctionnement d'un filtre de particules dispose dans l'echappement d'un moteur a combustion interne diesel

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 13

ST Notification of lapse

Effective date: 20170831