DE69410420D1 - Startkatalysatorüberwachung - Google Patents

Startkatalysatorüberwachung

Info

Publication number
DE69410420D1
DE69410420D1 DE69410420T DE69410420T DE69410420D1 DE 69410420 D1 DE69410420 D1 DE 69410420D1 DE 69410420 T DE69410420 T DE 69410420T DE 69410420 T DE69410420 T DE 69410420T DE 69410420 D1 DE69410420 D1 DE 69410420D1
Authority
DE
Germany
Prior art keywords
starting catalyst
catalyst monitoring
monitoring
starting
catalyst
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 - Lifetime
Application number
DE69410420T
Other languages
English (en)
Other versions
DE69410420T3 (de
DE69410420T2 (de
Inventor
Wallace Robert Wade
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.)
Ford Werke GmbH
Original Assignee
Ford Werke GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22606796&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69410420(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ford Werke GmbH filed Critical Ford Werke GmbH
Publication of DE69410420D1 publication Critical patent/DE69410420D1/de
Application granted granted Critical
Publication of DE69410420T2 publication Critical patent/DE69410420T2/de
Publication of DE69410420T3 publication Critical patent/DE69410420T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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)
DE69410420T 1993-12-16 1994-11-21 Startkatalysatorüberwachung Expired - Lifetime DE69410420T3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/167,301 US5351484A (en) 1993-12-16 1993-12-16 Light-off catalyst monitor

Publications (3)

Publication Number Publication Date
DE69410420D1 true DE69410420D1 (de) 1998-06-25
DE69410420T2 DE69410420T2 (de) 1998-10-01
DE69410420T3 DE69410420T3 (de) 2001-08-23

Family

ID=22606796

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69410420T Expired - Lifetime DE69410420T3 (de) 1993-12-16 1994-11-21 Startkatalysatorüberwachung

Country Status (3)

Country Link
US (1) US5351484A (de)
EP (1) EP0659988B2 (de)
DE (1) DE69410420T3 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19506012C2 (de) * 1995-02-17 1998-12-10 Siemens Ag Vorrichtung zur Anpassung von Verfahren zur Katalysatorwirkungsgradüberprüfung an Katalysatoren für Brennkraftmaschinen mit zwei Lambdasonden
US5724809A (en) * 1995-06-12 1998-03-10 Toyota Jidosha Kabushiki Kaisha Device for determining deterioration of a catalytic converter for an engine
DE69635916T2 (de) * 1995-10-26 2006-10-19 Toyota Jidosha Kabushiki Kaisha, Toyota Feststellungsvorrichtung der Katalysatorverschlechterung einer Brennkraftmaschine
US5787705A (en) * 1996-08-30 1998-08-04 General Motors Corporation Catalyst diagnostic
US5732551A (en) * 1996-12-11 1998-03-31 Motorola Inc. Method for monitoring the performance of a catalytic converter using mass transfer coefficients
US5842340A (en) * 1997-02-26 1998-12-01 Motorola Inc. Method for controlling the level of oxygen stored by a catalyst within a catalytic converter
US5842339A (en) * 1997-02-26 1998-12-01 Motorola Inc. Method for monitoring the performance of a catalytic converter
US6050128A (en) * 1998-05-28 2000-04-18 Ford Global Technologies, Inc. Catalyst deterioration monitoring
US5877413A (en) * 1998-05-28 1999-03-02 Ford Global Technologies, Inc. Sensor calibration for catalyst deterioration detection
US6131439A (en) * 1998-05-28 2000-10-17 Ford Global Technologies, Inc. Catalyst deterioration detection with sensor calibration
US6151889A (en) * 1998-10-19 2000-11-28 Ford Global Technologies, Inc. Catalytic monitoring method
DE19852294A1 (de) * 1998-11-12 2000-05-18 Bayerische Motoren Werke Ag Abgasanlage einer Mehrzylinder-Brennkraftmaschine
US6523341B1 (en) 2000-01-07 2003-02-25 Ford Global Technologies, Inc. Cold start vehicle catalyst monitor
EP1118752B1 (de) * 2000-01-20 2004-09-22 Ford Global Technologies, Inc. Diagnosesystem zur Überwachung der Funktionsfähigkeit eines Katalysators unter Verwendung eines Bogenlängen-Verhältnisses
US6301880B1 (en) * 2000-01-20 2001-10-16 Ford Global Technologies, Inc. Method and system for controlling air/fuel level for internal combustion engine with two exhaust banks
US6467254B1 (en) * 2000-01-20 2002-10-22 Ford Global Technologies, Inc. Diagnostic system for detecting catalyst failure using switch ratio
US6912842B2 (en) * 2001-06-19 2005-07-05 Ford Global Technologies, Inc. Oxygen storage capacity estimation
US6594986B2 (en) * 2001-06-19 2003-07-22 Ford Global Technologies, Inc. Oxidant storage capacity estimation
US7007458B2 (en) * 2003-02-27 2006-03-07 Ford Global Technologies, Llc Vehicle having an emission control device diagnostic computer
DE10333337B4 (de) * 2003-06-30 2010-09-16 Volkswagen Ag Verfahren und Vorrichtung zur Diagnose eines Katalysatorsystems
DE102010030635B4 (de) 2010-06-29 2023-09-21 Robert Bosch Gmbh Verfahren und Vorrichtung zur Aufheizung eines Katalysators zur Abgasreinigung
DE102021114932A1 (de) 2021-06-10 2022-12-15 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Betreiben einer Abgasnachbehandlungseinrichtung für eine Verbrennungskraftmaschine sowie Steuereinheit

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699683A (en) * 1971-04-05 1972-10-24 Chemical Construction Corp Engine exhaust emission control system
US3783619A (en) * 1972-05-03 1974-01-08 Phillips Petroleum Co Oxidative catalytic converter
US5083427A (en) * 1990-02-12 1992-01-28 Ford Motor Company Apparatus and method to reduce automotive emissions using filter catalyst interactive with uego
US5077970A (en) * 1990-06-11 1992-01-07 Ford Motor Company Method of on-board detection of automotive catalyst degradation
JP2943433B2 (ja) * 1990-08-24 1999-08-30 株式会社デンソー 触媒の浄化率検出装置
JP2720589B2 (ja) * 1990-09-03 1998-03-04 日産自動車株式会社 内燃機関の触媒劣化診断装置
DE4039429A1 (de) * 1990-12-11 1992-06-17 Abb Patent Gmbh Verfahren und vorrichtung zur ueberpruefung eines katalysators
DE4112478C2 (de) * 1991-04-17 2001-03-08 Bosch Gmbh Robert Verfahren und Vorrichtung zum Beurteilen des Alterungszustandes eines Katalysators
JP3076417B2 (ja) * 1991-07-23 2000-08-14 マツダ株式会社 エンジンの排気浄化装置
US5159810A (en) * 1991-08-26 1992-11-03 Ford Motor Company Catalytic converter monitoring using downstream oxygen sensor
DE4201136C2 (de) † 1992-01-17 1998-01-08 Emitec Emissionstechnologie Verfahren zur Überwachung einer katalytischen Abgasreinigungsanlage eines Verbrennungsmotors

Also Published As

Publication number Publication date
DE69410420T3 (de) 2001-08-23
EP0659988B2 (de) 2001-04-11
DE69410420T2 (de) 1998-10-01
EP0659988A1 (de) 1995-06-28
US5351484A (en) 1994-10-04
EP0659988B1 (de) 1998-05-20

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: FORD-WERKE GMBH, 50735 KOELN, DE