FR2816709B1 - Procede et dispositif pour le diagnostic d'un etage final de systeme d'echappement de vehicule automobile - Google Patents

Procede et dispositif pour le diagnostic d'un etage final de systeme d'echappement de vehicule automobile

Info

Publication number
FR2816709B1
FR2816709B1 FR0114643A FR0114643A FR2816709B1 FR 2816709 B1 FR2816709 B1 FR 2816709B1 FR 0114643 A FR0114643 A FR 0114643A FR 0114643 A FR0114643 A FR 0114643A FR 2816709 B1 FR2816709 B1 FR 2816709B1
Authority
FR
France
Prior art keywords
diagnosis
motor vehicle
exhaust system
final stage
final
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
FR0114643A
Other languages
English (en)
Other versions
FR2816709A1 (fr
Inventor
Frank Schulze
Jens Druckhammer
Axel Lang
Michael Kroger
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 FR2816709A1 publication Critical patent/FR2816709A1/fr
Application granted granted Critical
Publication of FR2816709B1 publication Critical patent/FR2816709B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F02D41/1493—Details
    • F02D41/1494—Control of sensor heater
    • 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
    • F02D41/1493—Details
    • F02D41/1495—Detection of abnormalities in the air/fuel ratio feedback system
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/4067—Means for heating or controlling the temperature of the solid electrolyte
    • 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
    • G01N33/007—Arrangements to check the analyser

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Molecular Biology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
FR0114643A 2000-11-14 2001-11-13 Procede et dispositif pour le diagnostic d'un etage final de systeme d'echappement de vehicule automobile Expired - Fee Related FR2816709B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2000156320 DE10056320A1 (de) 2000-11-14 2000-11-14 Verfahren und Vorrichtung zur Endstufendiagnose

Publications (2)

Publication Number Publication Date
FR2816709A1 FR2816709A1 (fr) 2002-05-17
FR2816709B1 true FR2816709B1 (fr) 2006-07-28

Family

ID=7663209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0114643A Expired - Fee Related FR2816709B1 (fr) 2000-11-14 2001-11-13 Procede et dispositif pour le diagnostic d'un etage final de systeme d'echappement de vehicule automobile

Country Status (2)

Country Link
DE (1) DE10056320A1 (fr)
FR (1) FR2816709B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10250219A1 (de) * 2002-10-23 2004-05-06 Volkswagen Ag Regler und Verfahren zur Regelung eines in einem Abgaskanal einer Verbrennungskraftmaschine angeordneten NOx-Sensors
US7757478B2 (en) 2005-10-07 2010-07-20 Delphi Technologies, Inc. System and method for monitoring operation of an exhaust gas treatment system
DE102007019183B4 (de) 2006-04-24 2023-05-25 Ifm Electronic Gmbh Schaltanordnung mit mindestens einem Sensor und mit einer Auswerteeinheit
EP1850140A3 (fr) * 2006-04-24 2011-11-16 ifm electronic gmbh Circuit doté d'au moins un capteur et une unité d'évaluation
DE102007034251B4 (de) * 2007-07-23 2013-12-05 Continental Automotive Gmbh Fehleranalyseverfahren für eine Lambda-Sonde, Motorsteuerung für eine Brennkraftmaschine zur Ausführung des Fehleranalyseverfahrens sowie Programmspeicher
EP2781927A1 (fr) * 2013-03-19 2014-09-24 Delphi Technologies Holding S.à.r.l. Procédé et appareil pour détecter une fonctionnalité de dispositif
DE102020210925A1 (de) 2020-08-31 2022-03-03 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zur Leitungszuordnung eines Kurzschlusses einer Breitband-Lambdasonde

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4040329C2 (de) * 1990-12-17 2000-06-29 Itvi Inttech Venture Investa Verfahren und Sensor zur Detektion von NOx in komplexen Gasgemischen
DE4128385A1 (de) * 1991-08-27 1993-03-04 Bosch Gmbh Robert Verfahren und vorrichtung zur ueberwachung der funktionsfaehigkeit einer sauerstoffmesssonden-heizung
DE4132008C2 (de) * 1991-09-26 2000-04-06 Bosch Gmbh Robert Verfahren und Vorrichtung zur Überprüfung der Funktionsfähigkeit einer Heizung einer Sauerstoffsonde
US5245979A (en) * 1992-10-28 1993-09-21 Ford Motor Company Oxygen sensor system with a dynamic heater malfunction detector
DE4433632B4 (de) * 1994-09-21 2004-05-06 Robert Bosch Gmbh Verfahren zur Überwachung einer Heizeinrichtung eines im Abgassystem einer Brennkraftmaschine angebrachten Sensors
DE19636415B4 (de) * 1996-09-07 2007-12-27 Robert Bosch Gmbh Verfahren und Vorrichtung zur Überwachung der Funktionsweise eines Kohlenwasserstoffsensors für eine Brennkraftmaschine

Also Published As

Publication number Publication date
FR2816709A1 (fr) 2002-05-17
DE10056320A1 (de) 2002-05-16

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20150731