DE69603997T2 - Abgasemissionssteuerung einer Brennkraftmaschine - Google Patents

Abgasemissionssteuerung einer Brennkraftmaschine

Info

Publication number
DE69603997T2
DE69603997T2 DE69603997T DE69603997T DE69603997T2 DE 69603997 T2 DE69603997 T2 DE 69603997T2 DE 69603997 T DE69603997 T DE 69603997T DE 69603997 T DE69603997 T DE 69603997T DE 69603997 T2 DE69603997 T2 DE 69603997T2
Authority
DE
Germany
Prior art keywords
combustion engine
internal combustion
emission control
exhaust emission
exhaust
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
DE69603997T
Other languages
English (en)
Other versions
DE69603997D1 (de
Inventor
Satyadeo Narain Sinha
Raymond Henry Berger
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 Motor Co
Original Assignee
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 Motor Co filed Critical Ford Motor Co
Publication of DE69603997D1 publication Critical patent/DE69603997D1/de
Application granted granted Critical
Publication of DE69603997T2 publication Critical patent/DE69603997T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F02D41/1494—Control of sensor heater
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (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)
  • Exhaust Gas After Treatment (AREA)
DE69603997T 1995-03-10 1996-02-19 Abgasemissionssteuerung einer Brennkraftmaschine Expired - Fee Related DE69603997T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/402,429 US5505183A (en) 1995-03-10 1995-03-10 Method and system for controlling emissions from an internal combustion engine

Publications (2)

Publication Number Publication Date
DE69603997D1 DE69603997D1 (de) 1999-10-07
DE69603997T2 true DE69603997T2 (de) 1999-12-23

Family

ID=23591849

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69603997T Expired - Fee Related DE69603997T2 (de) 1995-03-10 1996-02-19 Abgasemissionssteuerung einer Brennkraftmaschine

Country Status (4)

Country Link
US (1) US5505183A (de)
EP (1) EP0731266B1 (de)
JP (1) JPH08296483A (de)
DE (1) DE69603997T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5901553A (en) * 1995-03-29 1999-05-11 Ford Global Technologies, Inc. Method and system for estimating temperature of a heated exhaust gas oxygen sensor in an exhaust system having a variable length pipe
JPH08338288A (ja) * 1995-06-08 1996-12-24 Mitsubishi Electric Corp Ｏ▲２▼センサ故障診断装置及びｏ▲２▼センサ故障診断方法
JP3743577B2 (ja) * 1995-09-25 2006-02-08 本田技研工業株式会社 内燃エンジンの空燃比制御装置
JP3284862B2 (ja) * 1995-12-20 2002-05-20 トヨタ自動車株式会社 空燃比センサの活性状態判定装置
US5950599A (en) * 1997-10-29 1999-09-14 Chrysler Corporation Method of determining the composition of fuel in a flexible fueled vehicle without an O2 sensor
DE19838334B4 (de) 1998-08-24 2012-03-15 Robert Bosch Gmbh Diagnoseeinrichtung für eine potentiometrische, elektrisch beheizte Abgassonde zur Regelung von Verbrennungsprozessen
US6409969B1 (en) 1999-06-01 2002-06-25 Cummins, Inc. System and method for controlling a self-heated gas sensor based on sensor impedance
US6752135B2 (en) * 2002-11-12 2004-06-22 Woodward Governor Company Apparatus for air/fuel ratio control
FR2924167A1 (fr) * 2007-11-27 2009-05-29 Renault Sas Procede et dispositif de diagnostic du fonctionnement d'une sonde a oxygene
US8079351B2 (en) * 2008-01-10 2011-12-20 Ford Global Technologies, Llc Temperature sensor diagnostics
WO2010066954A1 (fr) * 2008-12-09 2010-06-17 Renault S.A.S Procede et dipositif de diagnostic du fonctionnement d'une sonde a oxygene
JP6222037B2 (ja) * 2014-10-23 2017-11-01 トヨタ自動車株式会社 空燃比センサの異常診断装置
DE102015009489A1 (de) * 2015-07-22 2017-01-26 Audi Ag Verfahren zum Betreiben einer Antriebseinrichtung sowie entsprechende Antriebseinrichtung
US10024265B2 (en) 2016-07-13 2018-07-17 Ford Global Technologies, Llc Systems and methods for estimating exhaust pressure
US10563605B2 (en) * 2018-03-13 2020-02-18 Ford Global Technologies, Llc Systems and methods for reducing vehicle emissions

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0005613A3 (de) * 1978-05-15 1979-12-12 Allied Corporation Temperaturschaltung für Sauerstoff-Sensor während des Erwärmens
JPS6042368Y2 (ja) * 1979-10-25 1985-12-26 日産自動車株式会社 空燃比制御装置
JPS63106343A (ja) * 1986-10-23 1988-05-11 Ngk Spark Plug Co Ltd 内燃機関の空燃比制御装置
JPS63129146A (ja) * 1986-11-18 1988-06-01 Mazda Motor Corp エンジンの空燃比制御装置
JPH07119742B2 (ja) * 1988-06-30 1995-12-20 本田技研工業株式会社 酸素濃度検出装置の劣化判定方法
DE3840148A1 (de) * 1988-11-29 1990-05-31 Bosch Gmbh Robert Verfahren und vorrichtung zum erkennen eines fehlerzustandes einer lambdasonde
DE3928709A1 (de) * 1989-08-30 1991-03-07 Bosch Gmbh Robert Verfahren und vorrichtung zur ueberpruefung der funktionsfaehigkeit einer abgassondenheizung und deren zuleitungssystem
JP2704991B2 (ja) * 1989-09-12 1998-01-26 本田技研工業株式会社 ヒータ付排気濃度センサの活性化判別方法
DE3941995A1 (de) * 1989-12-20 1991-06-27 Bosch Gmbh Robert Verfahren und vorrichtung zur ueberwachung der funktionsfaehigkeit einer sonden-heizeinrichtung
JP2916831B2 (ja) * 1991-11-05 1999-07-05 株式会社ユニシアジェックス 空燃比制御装置の診断装置
US5228426A (en) * 1992-10-28 1993-07-20 Ford Motor Company Oxygen sensor system with an automatic heater malfunction detector
US5245979A (en) * 1992-10-28 1993-09-21 Ford Motor Company Oxygen sensor system with a dynamic heater malfunction detector

Also Published As

Publication number Publication date
DE69603997D1 (de) 1999-10-07
EP0731266B1 (de) 1999-09-01
JPH08296483A (ja) 1996-11-12
EP0731266A1 (de) 1996-09-11
US5505183A (en) 1996-04-09

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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