DE69521610D1 - Gerät und verfahren zum ermitteln der verschlechterung einer vorrichtung zum erfassen des sauerstoffgehaltes für eine katalytische vorrichtung - Google Patents

Gerät und verfahren zum ermitteln der verschlechterung einer vorrichtung zum erfassen des sauerstoffgehaltes für eine katalytische vorrichtung

Info

Publication number
DE69521610D1
DE69521610D1 DE69521610T DE69521610T DE69521610D1 DE 69521610 D1 DE69521610 D1 DE 69521610D1 DE 69521610 T DE69521610 T DE 69521610T DE 69521610 T DE69521610 T DE 69521610T DE 69521610 D1 DE69521610 D1 DE 69521610D1
Authority
DE
Germany
Prior art keywords
degradation
detecting
determining
oxygen content
catalytic
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
DE69521610T
Other languages
English (en)
Other versions
DE69521610T2 (de
Inventor
Beom Yoo
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.)
Hyundai Motor Co
Original Assignee
Hyundai Motor Co
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 Hyundai Motor Co filed Critical Hyundai Motor Co
Publication of DE69521610D1 publication Critical patent/DE69521610D1/de
Application granted granted Critical
Publication of DE69521610T2 publication Critical patent/DE69521610T2/de
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
    • F01N11/007—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
    • 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
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors
    • 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
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0421—Methods of control or diagnosing using an increment counter when a predetermined event occurs
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0422—Methods of control or diagnosing measuring the elapsed time
    • 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)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
DE69521610T 1995-03-16 1995-03-16 Gerät und verfahren zum ermitteln der verschlechterung einer vorrichtung zum erfassen des sauerstoffgehaltes für eine katalytische vorrichtung Expired - Fee Related DE69521610T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR1995/000022 WO1996028646A1 (en) 1995-03-16 1995-03-16 Apparatus and method for judging deterioration of catalysts device and oxygen content sensing device

Publications (2)

Publication Number Publication Date
DE69521610D1 true DE69521610D1 (de) 2001-08-09
DE69521610T2 DE69521610T2 (de) 2002-05-08

Family

ID=19406355

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521610T Expired - Fee Related DE69521610T2 (de) 1995-03-16 1995-03-16 Gerät und verfahren zum ermitteln der verschlechterung einer vorrichtung zum erfassen des sauerstoffgehaltes für eine katalytische vorrichtung

Country Status (5)

Country Link
US (1) US5929320A (de)
EP (1) EP0760055B1 (de)
JP (1) JP2753397B2 (de)
DE (1) DE69521610T2 (de)
WO (1) WO1996028646A1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3331161B2 (ja) * 1996-11-19 2002-10-07 本田技研工業株式会社 排気ガス浄化用触媒装置の劣化判別方法
US6085582A (en) * 1998-04-29 2000-07-11 Sensors, Inc. Vehicle mass emission measurement
DE19856367C1 (de) 1998-12-07 2000-06-21 Siemens Ag Verfahren zur Reinigung des Abgases mit Lambda-Regelung
JP2000314684A (ja) 1999-04-16 2000-11-14 Sensors Inc 車両用質量排出量測定
GB2352040A (en) * 1999-07-12 2001-01-17 Jaguar Cars Fault detection of a motor vehicle exhaust oxygen sensor
US6860100B1 (en) 2000-03-17 2005-03-01 Ford Global Technologies, Llc Degradation detection method for an engine having a NOx sensor
US6360530B1 (en) 2000-03-17 2002-03-26 Ford Global Technologies, Inc. Method and apparatus for measuring lean-burn engine emissions
US6360529B1 (en) * 2000-03-17 2002-03-26 Ford Global Technologies, Inc. Method and apparatus for enabling lean engine operation upon engine start-up
US6691507B1 (en) 2000-10-16 2004-02-17 Ford Global Technologies, Llc Closed-loop temperature control for an emission control device
US6691020B2 (en) 2001-06-19 2004-02-10 Ford Global Technologies, Llc Method and system for optimizing purge of exhaust gas constituent stored in an emission control device
US6553754B2 (en) 2001-06-19 2003-04-29 Ford Global Technologies, Inc. Method and system for controlling an emission control device based on depletion of device storage capacity
US6463733B1 (en) 2001-06-19 2002-10-15 Ford Global Technologies, Inc. Method and system for optimizing open-loop fill and purge times for an emission control device
US6539706B2 (en) 2001-06-19 2003-04-01 Ford Global Technologies, Inc. Method and system for preconditioning an emission control device for operation about stoichiometry
US6650991B2 (en) 2001-06-19 2003-11-18 Ford Global Technologies, Llc Closed-loop method and system for purging a vehicle emission control
US6615577B2 (en) 2001-06-19 2003-09-09 Ford Global Technologies, Llc Method and system for controlling a regeneration cycle of an emission control device
US6487853B1 (en) 2001-06-19 2002-12-03 Ford Global Technologies. Inc. Method and system for reducing lean-burn vehicle emissions using a downstream reductant sensor
US6604504B2 (en) 2001-06-19 2003-08-12 Ford Global Technologies, Llc Method and system for transitioning between lean and stoichiometric operation of a lean-burn engine
US6502387B1 (en) 2001-06-19 2003-01-07 Ford Global Technologies, Inc. Method and system for controlling storage and release of exhaust gas constituents in an emission control device
US6453666B1 (en) 2001-06-19 2002-09-24 Ford Global Technologies, Inc. Method and system for reducing vehicle tailpipe emissions when operating lean
US6694244B2 (en) 2001-06-19 2004-02-17 Ford Global Technologies, Llc Method for quantifying oxygen stored in a vehicle emission control device
US6467259B1 (en) 2001-06-19 2002-10-22 Ford Global Technologies, Inc. Method and system for operating dual-exhaust engine
US6490860B1 (en) 2001-06-19 2002-12-10 Ford Global Technologies, Inc. Open-loop method and system for controlling the storage and release cycles of an emission control device
US6546718B2 (en) 2001-06-19 2003-04-15 Ford Global Technologies, Inc. Method and system for reducing vehicle emissions using a sensor downstream of an emission control device
DE10328015A1 (de) * 2003-06-23 2005-01-13 Volkswagen Ag Virtuelle Lambdasonde für ein Kraftfahrzeug
US7624572B2 (en) * 2004-12-29 2009-12-01 Caterpillar Inc. Exhaust treatment device monitoring system
JP5263142B2 (ja) * 2009-12-18 2013-08-14 株式会社デンソー 電子制御装置
US8726723B2 (en) * 2010-02-23 2014-05-20 Cummins Emission Solutions Detection of aftertreatment catalyst degradation

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2876544B2 (ja) * 1990-09-05 1999-03-31 本田技研工業株式会社 触媒温度センサ劣化検出装置
JPH0726580B2 (ja) * 1990-11-20 1995-03-29 トヨタ自動車株式会社 内燃機関の触媒劣化判定装置
DE4112479C2 (de) * 1991-04-17 2002-06-06 Bosch Gmbh Robert Verfahren und Vorrichtung zum Bestimmen des Alterungszustandes eines Katalysators
DE4112477C2 (de) * 1991-04-17 2001-03-08 Bosch Gmbh Robert Verfahren und Vorrichtung zum Simulieren des zeitlichen Verhaltens des Lambda-Wertes am Auslaß eines Abgaskatalysators und zur Betimmung des Alterungszustandes des Katalysators
JP2503829B2 (ja) * 1991-04-23 1996-06-05 トヨタ自動車株式会社 内燃機関の空燃比制御装置
US5377112A (en) * 1991-12-19 1994-12-27 Caterpillar Inc. Method for diagnosing an engine using computer based models
DE4211092A1 (de) 1992-04-03 1993-10-07 Bosch Gmbh Robert Verfahren und Vorrichtung zum Beurteilen der Funktionsfähigkeit eines Katalysators
JP2978960B2 (ja) 1992-07-31 1999-11-15 本田技研工業株式会社 内燃エンジンの酸素センサ劣化検出装置
JPH06101455A (ja) * 1992-09-18 1994-04-12 Honda Motor Co Ltd 内燃エンジンの触媒劣化検知装置
US5359852A (en) * 1993-09-07 1994-11-01 Ford Motor Company Air fuel ratio feedback control
US5522250A (en) * 1995-04-06 1996-06-04 Ford Motor Company Aged exhaust gas oxygen sensor simulator

Also Published As

Publication number Publication date
US5929320A (en) 1999-07-27
JPH09505382A (ja) 1997-05-27
EP0760055B1 (de) 2001-07-04
JP2753397B2 (ja) 1998-05-20
EP0760055A1 (de) 1997-03-05
WO1996028646A1 (en) 1996-09-19
DE69521610T2 (de) 2002-05-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee