DE69608731D1 - Luft-Brennstoff-Verhältnisregelvorrichtung für eine Brennkraftmaschine - Google Patents

Luft-Brennstoff-Verhältnisregelvorrichtung für eine Brennkraftmaschine

Info

Publication number
DE69608731D1
DE69608731D1 DE69608731T DE69608731T DE69608731D1 DE 69608731 D1 DE69608731 D1 DE 69608731D1 DE 69608731 T DE69608731 T DE 69608731T DE 69608731 T DE69608731 T DE 69608731T DE 69608731 D1 DE69608731 D1 DE 69608731D1
Authority
DE
Germany
Prior art keywords
air
control device
combustion engine
internal combustion
fuel ratio
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
DE69608731T
Other languages
English (en)
Other versions
DE69608731T2 (de
Inventor
Robert Joseph Jerger
Christopher Kirk Davey
Donald Fenwick Dickison
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
Ford France SA
Ford Motor Co Ltd
Original Assignee
Ford Werke GmbH
Ford France SA
Ford Motor Co Ltd
Ford 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 Ford Werke GmbH, Ford France SA, Ford Motor Co Ltd, Ford Motor Co filed Critical Ford Werke GmbH
Application granted granted Critical
Publication of DE69608731D1 publication Critical patent/DE69608731D1/de
Publication of DE69608731T2 publication Critical patent/DE69608731T2/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
    • 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
    • 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)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
DE69608731T 1995-03-31 1996-03-01 Luft-Brennstoff-Verhältnisregelvorrichtung für eine Brennkraftmaschine Expired - Fee Related DE69608731T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/414,569 US5544481A (en) 1995-03-31 1995-03-31 Engine air/fuel control system and catalytic converter monitoring

Publications (2)

Publication Number Publication Date
DE69608731D1 true DE69608731D1 (de) 2000-07-13
DE69608731T2 DE69608731T2 (de) 2000-10-05

Family

ID=23642020

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69608731T Expired - Fee Related DE69608731T2 (de) 1995-03-31 1996-03-01 Luft-Brennstoff-Verhältnisregelvorrichtung für eine Brennkraftmaschine

Country Status (4)

Country Link
US (1) US5544481A (de)
EP (1) EP0735259B1 (de)
JP (1) JPH08277738A (de)
DE (1) DE69608731T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE505235C2 (sv) * 1995-06-07 1997-07-21 Volvo Ab Sätt och anordning för att bestämma syrebuffertkapaciteten i en katalytisk avgasrenare
US5845489A (en) * 1995-11-08 1998-12-08 Denso Corporation Abnormality detector for air-fuel ratio control system
US5653104A (en) * 1995-11-17 1997-08-05 Ford Global Technologies, Inc. Engine air/fuel control system with adaptively alignment of a catalytic converter's peak efficiency window
US5598703A (en) * 1995-11-17 1997-02-04 Ford Motor Company Air/fuel control system for an internal combustion engine
US5758494A (en) * 1997-01-16 1998-06-02 Ford Global Technologies, Inc. System and method for adaptive switch determination of exhaust gas sensors
US5974786A (en) * 1997-01-21 1999-11-02 Ford Global Technologies, Inc. Adaptive time window to synchronize pre- and post-catalyst oxygen sensor switch counters
US5848528A (en) * 1997-08-13 1998-12-15 Siemens Automotive Corporation Optimization of closed-loop and post O2 fuel control by measuring catalyst oxygen storage capacity
US5894727A (en) * 1997-11-03 1999-04-20 Ford Global Technologies, Inc. Method and system for generating an inferred EGO signal in an asymmetrical Y-pipe exhaust system
US5974790A (en) * 1998-03-05 1999-11-02 Ford Global Technologies, Inc. Catalytic converter decontamination method
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
US6354077B1 (en) * 2000-01-20 2002-03-12 Ford Global Technologies, Inc. Method and system for controlling air/fuel level in two-bank exhaust system
US6668617B2 (en) * 2001-08-01 2003-12-30 Daimlerchrysler Corporation 02 Sensor filter
US6532734B1 (en) 2002-02-01 2003-03-18 Ford Global Technologies, Inc. On-board diagnostic catalyst monitoring system
US6804951B2 (en) 2002-11-06 2004-10-19 Ford Global Technologies, Llc On-board diagnostic catalyst monitoring system
DE102004015836A1 (de) * 2004-03-31 2005-11-03 Siemens Ag Verfahren und Vorrichtung zum Steuern einer Brennkraftmaschine
JP7474207B2 (ja) * 2021-02-10 2024-04-24 日立Astemo株式会社 空燃比制御装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9003235D0 (en) * 1990-02-13 1990-04-11 Lucas Ind Plc Exhaust gas catalyst monitoring
JP2960576B2 (ja) * 1991-06-28 1999-10-06 マツダ株式会社 エンジンの排気浄化装置
JPH05280402A (ja) * 1992-03-30 1993-10-26 Fuji Heavy Ind Ltd エンジンの触媒の劣化検出方法
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
US5289678A (en) * 1992-11-25 1994-03-01 Ford Motor Company Apparatus and method of on-board catalytic converter efficiency monitoring
US5272872A (en) * 1992-11-25 1993-12-28 Ford Motor Company Method and apparatus of on-board catalytic converter efficiency monitoring
US5357751A (en) * 1993-04-08 1994-10-25 Ford Motor Company Air/fuel control system providing catalytic monitoring
US5386693A (en) * 1993-09-27 1995-02-07 Ford Motor Company Engine air/fuel control system with catalytic converter monitoring
US5383333A (en) * 1993-10-06 1995-01-24 Ford Motor Company Method for biasing a hego sensor in a feedback control system
US5385016A (en) * 1993-12-27 1995-01-31 Ford Motor Company Air/fuel control system responsive to duo upstream EGO sensors with converter monitoring
US5396875A (en) * 1994-02-08 1995-03-14 Ford Motor Company Air/fuel control with adaptively learned reference

Also Published As

Publication number Publication date
EP0735259A3 (de) 1997-05-28
US5544481A (en) 1996-08-13
JPH08277738A (ja) 1996-10-22
DE69608731T2 (de) 2000-10-05
EP0735259B1 (de) 2000-06-07
EP0735259A2 (de) 1996-10-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

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

Owner name: FORD FRANCE S.A., RUEIL-MALMAISON, FR

Owner name: FORD MOTOR CO. LTD., BRENTWOOD, ESSEX, GB

8339 Ceased/non-payment of the annual fee