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GB2411008B - Diagnostic process for determining a condition of a catalytic converter system - Google Patents

Diagnostic process for determining a condition of a catalytic converter system

Info

Publication number
GB2411008B
GB2411008B GB0501898A GB0501898A GB2411008B GB 2411008 B GB2411008 B GB 2411008B GB 0501898 A GB0501898 A GB 0501898A GB 0501898 A GB0501898 A GB 0501898A GB 2411008 B GB2411008 B GB 2411008B
Authority
GB
United Kingdom
Prior art keywords
determining
condition
catalytic converter
converter system
diagnostic process
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
GB0501898A
Other versions
GB2411008A (en
GB0501898D0 (en
Inventor
Axel Lang
Jorg Gunnewig
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 GB0501898D0 publication Critical patent/GB0501898D0/en
Publication of GB2411008A publication Critical patent/GB2411008A/en
Application granted granted Critical
Publication of GB2411008B publication Critical patent/GB2411008B/en
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
    • F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus the diagnostic devices measuring oxygen or air concentration 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
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
    • 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
    • F01N13/011—Exhaust or silencing apparatus characterised by constructional features having two or more purifying devices arranged in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/08—Safety, indicating, or supervising devices
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
    • 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
    • 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
    • F01N2550/03—Monitoring or diagnosing the deterioration of exhaust systems of sorbing activity of adsorbents or absorbents
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14—Nitrogen oxides
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/16—Oxygen
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust 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
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust 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
    • F01N3/0842—Nitrogen oxides
    • 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)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
GB0501898A 2004-02-12 2005-01-31 Diagnostic process for determining a condition of a catalytic converter system Expired - Fee Related GB2411008B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004006992A DE102004006992B4 (en) 2004-02-12 2004-02-12 A diagnostic method for determining a state of a catalyst system

Publications (3)

Publication Number Publication Date
GB0501898D0 GB0501898D0 (en) 2005-03-09
GB2411008A GB2411008A (en) 2005-08-17
GB2411008B true GB2411008B (en) 2007-06-13

Family

ID=34306506

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0501898A Expired - Fee Related GB2411008B (en) 2004-02-12 2005-01-31 Diagnostic process for determining a condition of a catalytic converter system

Country Status (2)

Country Link
DE (1) DE102004006992B4 (en)
GB (1) GB2411008B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005045888B3 (en) 2005-09-26 2006-09-14 Siemens Ag Operating device for internal combustion engine has Lambda regulator, trimming regulator and setting signal unit
DE102006053124B4 (en) * 2006-11-10 2017-08-03 Robert Bosch Gmbh Method and control unit for on-board diagnosis of a catalytic converter system of an internal combustion engine
DE102006053103B4 (en) * 2006-11-10 2018-01-04 Robert Bosch Gmbh Method and control unit for diagnosing a catalytic converter system comprising a plurality of catalytic converters of an internal combustion engine
DE102007060421B4 (en) * 2007-12-14 2013-10-31 Audi Ag Method for evaluating a catalyst system consisting of at least two catalysts for a motor vehicle and associated measuring and diagnostic device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5647205A (en) * 1993-03-19 1997-07-15 Siemens Aktiengesellschaft Process for checking the conversion capability of a catalyst
DE10333337A1 (en) * 2003-06-30 2005-02-24 Volkswagen Ag Continual process and assembly to monitor the performance of an automotive catalytic converter by use of oxygen storage capacity and sensor

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1237742B (en) * 1989-12-22 1993-06-15 Fiat Auto Spa ALARM DEVICE FOR THE PROTECTION OF CATALYTIC CONVERTERS FOR THE EXHAUST GASES OF ENDOTHERMAL ENGINES AND VEHICLE EQUIPPED WITH SUCH DEVICE
DE4201136C2 (en) * 1992-01-17 1998-01-08 Emitec Emissionstechnologie Method for monitoring a catalytic exhaust gas cleaning system of an internal combustion engine
DE4319924A1 (en) * 1993-06-16 1994-12-22 Emitec Emissionstechnologie Method for monitoring the function of a catalytic converter
DE4330997A1 (en) * 1993-09-13 1995-03-16 Bosch Gmbh Robert Method for monitoring the light-off performance of a catalytic converter system in a motor vehicle
US5509267A (en) * 1994-11-14 1996-04-23 General Motors Corporation Automotive vehicle catalyst diagnostic
JP3380366B2 (en) * 1995-05-22 2003-02-24 株式会社日立製作所 Diagnosis device for engine exhaust gas purification device
US5896743A (en) * 1997-06-24 1999-04-27 Heraeus Electro-Nite International N.V. Catalyst monitor utilizing a lifetime temperature profile for determining efficiency
DE19828928C2 (en) * 1998-06-29 2003-04-17 Siemens Ag Method for monitoring the exhaust gas purification system of an internal combustion engine
IT1311110B1 (en) * 1999-10-26 2002-02-28 Magneti Marelli Spa METHOD FOR DIAGNOSIS OF AN EXHAUST GAS ABATEMENT SYSTEM FOR AN INTERNAL COMBUSTION ENGINE.
DE10032571A1 (en) * 2000-07-05 2002-03-28 Volkswagen Ag Process for the detection of the condition of a catalyst system
US6502386B1 (en) * 2000-08-02 2003-01-07 Ford Global Technologies, Inc. Catalyst monitoring in a diesel engine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5647205A (en) * 1993-03-19 1997-07-15 Siemens Aktiengesellschaft Process for checking the conversion capability of a catalyst
DE10333337A1 (en) * 2003-06-30 2005-02-24 Volkswagen Ag Continual process and assembly to monitor the performance of an automotive catalytic converter by use of oxygen storage capacity and sensor

Also Published As

Publication number Publication date
GB2411008A (en) 2005-08-17
DE102004006992B4 (en) 2013-05-29
DE102004006992A1 (en) 2005-09-01
GB0501898D0 (en) 2005-03-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20220131