FR2726909B1 - Procede de controle du degre de conversion d'un convertisseur catalytique de gaz d'echappement - Google Patents

Procede de controle du degre de conversion d'un convertisseur catalytique de gaz d'echappement

Info

Publication number
FR2726909B1
FR2726909B1 FR9509732A FR9509732A FR2726909B1 FR 2726909 B1 FR2726909 B1 FR 2726909B1 FR 9509732 A FR9509732 A FR 9509732A FR 9509732 A FR9509732 A FR 9509732A FR 2726909 B1 FR2726909 B1 FR 2726909B1
Authority
FR
France
Prior art keywords
monitoring
conversion
degree
exhaust gas
gas 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 - Fee Related
Application number
FR9509732A
Other languages
English (en)
Other versions
FR2726909A1 (fr
Inventor
Hanno Jelden
Winfried Schultalbers
Thomas Bizenberger
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
Application filed by Volkswagen AG filed Critical Volkswagen AG
Publication of FR2726909A1 publication Critical patent/FR2726909A1/fr
Application granted granted Critical
Publication of FR2726909B1 publication Critical patent/FR2726909B1/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
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or 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
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (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)
  • Testing Of Engines (AREA)
FR9509732A 1994-11-11 1995-08-10 Procede de controle du degre de conversion d'un convertisseur catalytique de gaz d'echappement Expired - Fee Related FR2726909B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4440276A DE4440276C2 (de) 1994-11-11 1994-11-11 Verfahren zur Überwachung des Konvertierungsgrades eines Abgaskatalysators

Publications (2)

Publication Number Publication Date
FR2726909A1 FR2726909A1 (fr) 1996-05-15
FR2726909B1 true FR2726909B1 (fr) 1999-01-29

Family

ID=6533040

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9509732A Expired - Fee Related FR2726909B1 (fr) 1994-11-11 1995-08-10 Procede de controle du degre de conversion d'un convertisseur catalytique de gaz d'echappement

Country Status (5)

Country Link
US (1) US5592815A (fr)
JP (1) JPH08226874A (fr)
DE (1) DE4440276C2 (fr)
FR (1) FR2726909B1 (fr)
GB (1) GB2295033B (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19648427C2 (de) * 1996-11-22 2001-10-18 Siemens Ag Verfahren zur Regelung der Temperatur eines Katalysators
DE19726791A1 (de) * 1997-06-24 1999-01-07 Volkswagen Ag Verfahren zur Überwachung der Konvertierungsrate eines Abgaskatalysators für eine Brennkraftmaschine
US6651422B1 (en) 1998-08-24 2003-11-25 Legare Joseph E. Catalyst efficiency detection and heating method using cyclic fuel control
US7707821B1 (en) 1998-08-24 2010-05-04 Legare Joseph E Control methods for improved catalytic converter efficiency and diagnosis
US7886523B1 (en) 1998-08-24 2011-02-15 Legare Joseph E Control methods for improved catalytic converter efficiency and diagnosis
DE19910336A1 (de) * 1999-03-09 2000-09-21 Porsche Ag Verfahren zur Überprüfung der Funktion von Katalysatoren in Brennkraftmaschinen
DE19924029C2 (de) 1999-05-26 2001-05-23 Porsche Ag Verfahren zur Überwachung der Funktion eines Systems zur Abgasnachbehandlung
US7481915B2 (en) * 2001-02-08 2009-01-27 Ford Global Technologies, Llc Exhaust gas temperature measurement utilizing an exhaust gas sensor
DE10108182A1 (de) * 2001-02-21 2002-08-29 Bosch Gmbh Robert Verfahren und Vorrichtung zur Ermittlung einer Temperaturgröße
DE10113010A1 (de) * 2001-03-17 2002-09-19 Bosch Gmbh Robert Verfahren und Vorrichtung zur Überwachung eines Abgasnachbehandlungssystems
JP3970083B2 (ja) * 2002-04-23 2007-09-05 住友電気工業株式会社 レドックスフロー電池システムの運転方法
KR100582996B1 (ko) * 2004-05-21 2006-05-25 삼성전자주식회사 산화촉매유닛, 이를 구비한 습식 전자사진방식화상형성장치 및 산화촉매 수명 판단방법
FR2873160B1 (fr) * 2004-07-19 2008-02-22 Renault Sas Procede de gestion de la regeneration d'un filtre a particules
US7523653B2 (en) * 2007-06-14 2009-04-28 Ford Gobal Technologies, Llc Exhaust temperature sensor monitoring
US8745970B2 (en) * 2010-04-27 2014-06-10 GM Global Technology Operations LLC Ammonia slip catalyst diagnostic methods and systems
US8720189B2 (en) * 2011-01-26 2014-05-13 GM Global Technology Operations LLC Apparatus and method for onboard performance monitoring of oxidation catalyst
KR101305632B1 (ko) * 2011-09-21 2013-09-09 기아자동차주식회사 배기정화장치의 피독감지시스템 및 감지방법
US9181843B2 (en) * 2011-09-26 2015-11-10 GM Global Technology Operations LLC On-board diagnostic method for NO2 formation in an oxidation catalyst

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5917255B2 (ja) * 1977-06-21 1984-04-20 株式会社デンソー 内燃機関の触媒過熱防止装置
JPS59162339A (ja) * 1983-03-08 1984-09-13 Nissan Motor Co Ltd 内燃機関の空燃比制御装置
DE4100397C2 (de) * 1990-02-10 1999-08-05 Volkswagen Ag Verfahren und Anordnung zur Überwachung des Konvertierungsgrads eines Katalysators
US5133184A (en) * 1990-02-10 1992-07-28 Volkswagen Ag Method and apparatus for monitoring the conversion ratio of a catalytic converter
GB9003316D0 (en) * 1990-02-14 1990-04-11 Lucas Ind Plc Monitoring of operation of catalytic converter
DE4122787A1 (de) * 1990-07-23 1992-01-30 Volkswagen Ag Einrichtung zur ueberwachung des konvertierungsgrads eines katalysators
EP0655104B1 (fr) * 1992-08-17 1997-12-10 Emitec Gesellschaft für Emissionstechnologie mbH Procede permettant de surveiller le fonctionnement d'un convertisseur catalytique
DE4227207C2 (de) * 1992-08-17 1996-10-31 Emitec Emissionstechnologie Verfahren zur Überprüfung zumindest eines Bereiches eines von einem Fluid entlang einer Strömungsrichtung durchströmbaren wabenförmigen katalytischen Konverters im Abgassystem eines Verbrennungsmotors
DE4302779C2 (de) * 1993-02-02 1995-10-05 Porsche Ag Verfahren zur Überprüfung der Funktionstüchtigkeit von im Abgasstrang, von mit einer Brennkraftmaschine ausgerüsteten Kraftfahrzeugen eingesetzten Abgaskatalysatoren

Also Published As

Publication number Publication date
GB2295033B (en) 1999-03-10
DE4440276C2 (de) 1996-09-05
FR2726909A1 (fr) 1996-05-15
DE4440276A1 (de) 1996-05-15
GB9521259D0 (en) 1995-12-20
JPH08226874A (ja) 1996-09-03
US5592815A (en) 1997-01-14
GB2295033A (en) 1996-05-15

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Legal Events

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