EP0297217A3 - Procédé de modification de la composition des gaz d'échappement de moteurs "otto" - Google Patents

Procédé de modification de la composition des gaz d'échappement de moteurs "otto" Download PDF

Info

Publication number
EP0297217A3
EP0297217A3 EP88104624A EP88104624A EP0297217A3 EP 0297217 A3 EP0297217 A3 EP 0297217A3 EP 88104624 A EP88104624 A EP 88104624A EP 88104624 A EP88104624 A EP 88104624A EP 0297217 A3 EP0297217 A3 EP 0297217A3
Authority
EP
European Patent Office
Prior art keywords
improving
otto
composition
exhaust gases
controller
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.)
Withdrawn
Application number
EP88104624A
Other languages
German (de)
English (en)
Other versions
EP0297217A2 (fr
Inventor
Bernhard Lukas
Wolfgang Reisch
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.)
Mannesmann VDO AG
Original Assignee
Mannesmann VDO AG
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 Mannesmann VDO AG filed Critical Mannesmann VDO AG
Publication of EP0297217A2 publication Critical patent/EP0297217A2/fr
Publication of EP0297217A3 publication Critical patent/EP0297217A3/fr
Withdrawn legal-status Critical Current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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2454—Learning of the air-fuel ratio control

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)
  • Output Control And Ontrol Of Special Type Engine (AREA)
EP88104624A 1987-07-03 1988-03-23 Procédé de modification de la composition des gaz d'échappement de moteurs "otto" Withdrawn EP0297217A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873721971 DE3721971A1 (de) 1987-07-03 1987-07-03 Verfahren zur verbesserung des abgasverhaltens von ottomotoren
DE3721971 1987-07-03

Publications (2)

Publication Number Publication Date
EP0297217A2 EP0297217A2 (fr) 1989-01-04
EP0297217A3 true EP0297217A3 (fr) 1989-11-23

Family

ID=6330813

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88104624A Withdrawn EP0297217A3 (fr) 1987-07-03 1988-03-23 Procédé de modification de la composition des gaz d'échappement de moteurs "otto"

Country Status (2)

Country Link
EP (1) EP0297217A3 (fr)
DE (1) DE3721971A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3925877C2 (de) * 1989-08-04 1998-10-08 Bosch Gmbh Robert Verfahren und Einrichtung zur Steuerung der Kraftstoffzumessung bei einer Dieselbrennkraftmaschine
DE4033026C2 (de) * 1990-10-18 1997-09-04 Bayerische Motoren Werke Ag Verfahren zur Vermeidung thermisch kritischer Zustände einer Abgasnachbehandlungsvorrichtung für eine Brennkraftmaschine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466410A (en) * 1981-07-15 1984-08-21 Nippondenso Co., Ltd. Air-fuel ratio control for internal combustion engine
US4594985A (en) * 1983-12-29 1986-06-17 Toyota Jidosha Kabushiki Kaisha Method and apparatus of learning control for air/fuel ratio of an internal combustion engine to avoid sticking to lean or rich side operation
US4669439A (en) * 1984-09-10 1987-06-02 Mazda Motor Corporation Air-to-fuel ratio control systems for internal combustion engines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466410A (en) * 1981-07-15 1984-08-21 Nippondenso Co., Ltd. Air-fuel ratio control for internal combustion engine
US4594985A (en) * 1983-12-29 1986-06-17 Toyota Jidosha Kabushiki Kaisha Method and apparatus of learning control for air/fuel ratio of an internal combustion engine to avoid sticking to lean or rich side operation
US4669439A (en) * 1984-09-10 1987-06-02 Mazda Motor Corporation Air-to-fuel ratio control systems for internal combustion engines

Also Published As

Publication number Publication date
EP0297217A2 (fr) 1989-01-04
DE3721971A1 (de) 1989-01-12

Similar Documents

Publication Publication Date Title
DE3872249D1 (de) Regelsystem fuer das luft/kraftstoff-verhaeltnis einer brennkraftmaschine.
CA2422970A1 (fr) Systeme et methode de commande neuronale pour moteurs a combustion a bicarburant
EP0067545A2 (fr) Méthode et appareil pour le contrôle de systèmes à combustion
EP0258543A3 (fr) Procédé et circuit pour reconnaítre l'état de service d'une sonde de mesure d'oxygène
FR2451581A1 (fr) Procede et appareil pour mesurer la richesse d'un melange air/carburant fourni, par exemple, a un moteur a combustion interne
Prigent et al. Nitrous Oxide N₂O in engines Exhaust Gases-A first appraisal of catalyst impact
JPS5269689A (en) Method of analyzing and controlling constituens of gaseous fuel mixtures in internal combustion engine and system for carrying out the method
EP0597232A3 (fr) (Dispositif) et méthode de commande pour moteur à combustion interne et à combustion pauvre
US4878380A (en) Method of testing catalytic converters and oxygen sensors
GB1518763A (en) Closed loop air fuel ratio control system using exhaust composition sensor
JPS52115922A (en) Method and apparatus for operation of internal combustion engine with mixed fuel of hydrogen * air and hydrocarbon group
EP0297217A3 (fr) Procédé de modification de la composition des gaz d'échappement de moteurs "otto"
FR2416467A1 (fr) Procede et appareil pour l'analyse de gaz
US4174689A (en) Electronic closed loop air-fuel ratio control system
DE3778295D1 (de) Verfahren und schaltungsanordnung zur erkennung der betriebsbereitschaft einer sauerstoffmesssonde.
Spilski et al. Closed loop carburetor emission control system
ATE46766T1 (de) Verfahren und vorrichtung zum bestimmen des kraftstoff-luftverhaeltnisses von ottomotoren.
Hamburg et al. An engine-dynamometer study of the a/f compatibility between a three-way catalyst and an exhaust gas oxygen sensor
GB2051377B (en) Method of measuring the oxygen concentration in a gaseous mixture in particular of determining the oxygen percentagein the exhaust gases of an internal combustion or externalcombustion engine and ionization probes for carrying out this method
ATE151528T1 (de) Verfahren und messanordnung zur bestimmung von betriebsdaten einer brennkraftmaschine
EP0044403A3 (fr) Procédé pour la mesure de la consommation de combustible
Cassidy Comments on the engine control problem
DE68901822D1 (de) Verfahren zum regeln des kraftstoff/luft-verhaeltnisses eines einem verbrennungsmotor zugefuehrten gemisches ohne physikalische messung des kraftstoff/luft-verhaeltnisses.
CA2100233A1 (fr) Capteur de rapports air-carburant base sur le travail de sortie
Hass et al. The Influence of Vehicle Operating Variables on Exhaust Emissions

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19900524