DE69502831D1 - System zur überwachung der wirksamkeit eines kraftfahrzeugkatalysators - Google Patents

System zur überwachung der wirksamkeit eines kraftfahrzeugkatalysators

Info

Publication number
DE69502831D1
DE69502831D1 DE69502831T DE69502831T DE69502831D1 DE 69502831 D1 DE69502831 D1 DE 69502831D1 DE 69502831 T DE69502831 T DE 69502831T DE 69502831 T DE69502831 T DE 69502831T DE 69502831 D1 DE69502831 D1 DE 69502831D1
Authority
DE
Germany
Prior art keywords
effectiveness
monitoring
motor vehicle
vehicle catalyst
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 - Fee Related
Application number
DE69502831T
Other languages
English (en)
Other versions
DE69502831T2 (de
Inventor
Chaitanya Narula
Andrew Adamczyk
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
Application filed by Ford Werke GmbH filed Critical Ford Werke GmbH
Application granted granted Critical
Publication of DE69502831D1 publication Critical patent/DE69502831D1/de
Publication of DE69502831T2 publication Critical patent/DE69502831T2/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
    • 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)
  • Catalysts (AREA)
DE69502831T 1994-07-05 1995-07-05 System zur überwachung der wirksamkeit eines kraftfahrzeugkatalysators Expired - Fee Related DE69502831T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/270,616 US5431012A (en) 1994-07-05 1994-07-05 System for monitoring the performance of automotive catalysts
PCT/GB1995/001574 WO1996001364A1 (en) 1994-07-05 1995-07-05 System for monitoring the performance of automotive catalysts

Publications (2)

Publication Number Publication Date
DE69502831D1 true DE69502831D1 (de) 1998-07-09
DE69502831T2 DE69502831T2 (de) 1998-10-01

Family

ID=23032069

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69502831T Expired - Fee Related DE69502831T2 (de) 1994-07-05 1995-07-05 System zur überwachung der wirksamkeit eines kraftfahrzeugkatalysators

Country Status (5)

Country Link
US (1) US5431012A (de)
EP (1) EP0769096B1 (de)
JP (1) JPH10502428A (de)
DE (1) DE69502831T2 (de)
WO (1) WO1996001364A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5480622A (en) * 1994-07-05 1996-01-02 Ford Motor Company Electrically heatable catalyst device using electrically conductive non-metallic materials
US5707148A (en) * 1994-09-23 1998-01-13 Ford Global Technologies, Inc. Catalytic calorimetric gas sensor
US5626014A (en) * 1995-06-30 1997-05-06 Ford Motor Company Catalyst monitor based on a thermal power model
EP0761308A1 (de) * 1995-09-12 1997-03-12 Basf Aktiengesellschaft Schalenkatalysatoren für instationär geführte Verfahren
GB9602652D0 (en) * 1996-02-09 1996-04-10 Sun Electric Uk Ltd Analysing catalyst and other systems operations
US5996337A (en) * 1998-02-06 1999-12-07 Engelhard Corporation Dynamic calorimetric sensor system
US6297185B1 (en) 1998-02-23 2001-10-02 T/J Technologies, Inc. Catalyst
DE19926139A1 (de) * 1999-06-09 2000-12-14 Volkswagen Ag Kalibrierung eines NOx-Sensors
US7481915B2 (en) * 2001-02-08 2009-01-27 Ford Global Technologies, Llc Exhaust gas temperature measurement utilizing an exhaust gas sensor
DE102005040906A1 (de) * 2005-08-30 2007-03-08 Daimlerchrysler Ag Verfahren zur Überwachung eines Abgasreinigungsbauteils
US8383293B2 (en) * 2006-11-22 2013-02-26 GM Global Technology Operations LLC Supports for fuel cell catalysts based on transition metal silicides
DE102008036370A1 (de) 2008-08-05 2010-02-18 Deutsches Zentrum für Luft- und Raumfahrt e.V. Sensor-integrierte Vorrichtung
DE102014201072A1 (de) * 2013-02-01 2014-08-07 Ford Global Technologies, Llc Bestimmen eines Alterungsgrades eines Oxidationskatalysators

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5129260B2 (de) * 1972-09-14 1976-08-24
DE2643739C2 (de) * 1976-09-29 1986-03-13 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur Überwachung der Aktivität von Katalysatoren für die Abgasreinigung
JPS55134728A (en) * 1979-04-04 1980-10-20 Nippon Denso Co Ltd Method for protecting exhaust-gas purifying apparatus from overheat
WO1989000439A1 (en) * 1985-05-10 1989-01-26 Brandell John R Exercise device
IT1187855B (it) * 1986-01-14 1987-12-23 Fiat Auto Spa Dispositivo di protezione per il catalizzatore di una marmitta catalitica per autoveicoli
US4656829A (en) * 1986-01-27 1987-04-14 General Motors Corporation System for predicting catalytic converter temperature
JPS62223427A (ja) * 1986-03-20 1987-10-01 Nissan Motor Co Ltd 空燃比制御装置
US5060473A (en) * 1988-07-13 1991-10-29 Nissan Motor Company, Limited System for detecting deterioration of catalyst in catalytic converter
JP2809284B2 (ja) * 1990-03-16 1998-10-08 日本特殊陶業株式会社 触媒劣化検知センサ
EP0565142B1 (de) * 1990-03-19 1996-02-28 Emitec Gesellschaft für Emissionstechnologie mbH Katalysator mit mindestens einem Temperaturfühler
DE4020383C2 (de) * 1990-06-27 1999-04-01 Bosch Gmbh Robert Verfahren zum Schutz von Katalysatoren für die Abgasreinigung sowie Wärmetönungssensor zur Durchführung des Verfahrens
US5265417A (en) * 1993-01-07 1993-11-30 Ford Motor Company Method and apparatus for determining the hydrocarbon conversion efficiency of a catalytic converter

Also Published As

Publication number Publication date
US5431012A (en) 1995-07-11
JPH10502428A (ja) 1998-03-03
WO1996001364A1 (en) 1996-01-18
DE69502831T2 (de) 1998-10-01
EP0769096B1 (de) 1998-06-03
EP0769096A1 (de) 1997-04-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

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

8339 Ceased/non-payment of the annual fee