FR2634823B1 - Procede et dispositif de regulation de la richesse d'un melange air-carburant d'alimentation d'un moteur a combustion interne - Google Patents

Procede et dispositif de regulation de la richesse d'un melange air-carburant d'alimentation d'un moteur a combustion interne

Info

Publication number
FR2634823B1
FR2634823B1 FR8810113A FR8810113A FR2634823B1 FR 2634823 B1 FR2634823 B1 FR 2634823B1 FR 8810113 A FR8810113 A FR 8810113A FR 8810113 A FR8810113 A FR 8810113A FR 2634823 B1 FR2634823 B1 FR 2634823B1
Authority
FR
France
Prior art keywords
wealth
regulating
air
combustion engine
internal combustion
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
FR8810113A
Other languages
English (en)
Other versions
FR2634823A1 (fr
Inventor
Mariano Sans
Francois Marcel Charles Roche
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.)
Bendix Electronics SA
Original Assignee
Bendix Electronics SA
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 Bendix Electronics SA filed Critical Bendix Electronics SA
Priority to FR8810113A priority Critical patent/FR2634823B1/fr
Priority to ES89113601T priority patent/ES2030565T3/es
Priority to DE8989113601T priority patent/DE68901364D1/de
Priority to EP19890113601 priority patent/EP0352704B1/fr
Publication of FR2634823A1 publication Critical patent/FR2634823A1/fr
Application granted granted Critical
Publication of FR2634823B1 publication Critical patent/FR2634823B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02D41/2458—Learning of the air-fuel ratio control with an additional dither signal
    • 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
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F02D41/1456—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen

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)
FR8810113A 1988-07-27 1988-07-27 Procede et dispositif de regulation de la richesse d'un melange air-carburant d'alimentation d'un moteur a combustion interne Expired - Lifetime FR2634823B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8810113A FR2634823B1 (fr) 1988-07-27 1988-07-27 Procede et dispositif de regulation de la richesse d'un melange air-carburant d'alimentation d'un moteur a combustion interne
ES89113601T ES2030565T3 (es) 1988-07-27 1989-07-24 Procedimiento y dispositivo para regular la riqueza de una mezcla de aire/combustible que alimenta un motor de combustion interna.
DE8989113601T DE68901364D1 (de) 1988-07-27 1989-07-24 Verfahren und vorrichtung zur regelung des einem verbrennungsmotor zugefuehrten kraftstoff-luftgemischgehaltes.
EP19890113601 EP0352704B1 (fr) 1988-07-27 1989-07-24 Procédé et dispositif de régulation de la richesse d'un mélange air-carburant d'alimentation d'un moteur à combustion interne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8810113A FR2634823B1 (fr) 1988-07-27 1988-07-27 Procede et dispositif de regulation de la richesse d'un melange air-carburant d'alimentation d'un moteur a combustion interne

Publications (2)

Publication Number Publication Date
FR2634823A1 FR2634823A1 (fr) 1990-02-02
FR2634823B1 true FR2634823B1 (fr) 1990-11-23

Family

ID=9368821

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8810113A Expired - Lifetime FR2634823B1 (fr) 1988-07-27 1988-07-27 Procede et dispositif de regulation de la richesse d'un melange air-carburant d'alimentation d'un moteur a combustion interne

Country Status (4)

Country Link
EP (1) EP0352704B1 (fr)
DE (1) DE68901364D1 (fr)
ES (1) ES2030565T3 (fr)
FR (1) FR2634823B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3065992A1 (fr) * 2017-05-03 2018-11-09 Peugeot Citroen Automobiles Sa Procede de filtrage et de correction d’oscillations d’un signal de richesse issu d’une sonde en sortie d’un moteur

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122811A (en) * 1977-07-25 1978-10-31 General Motors Corporation Digital closed loop fuel control system
US4528962A (en) * 1981-12-11 1985-07-16 Robert Bosch Gmbh Method and apparatus for lambda regulation in an internal combustion engine
JPS58190532A (ja) * 1982-04-30 1983-11-07 Nissan Motor Co Ltd 内燃機関の空燃比帰還制御方法
JPS58195044A (ja) * 1982-05-07 1983-11-14 Mitsubishi Electric Corp 空燃比制御方法

Also Published As

Publication number Publication date
DE68901364D1 (de) 1992-06-04
EP0352704B1 (fr) 1992-04-29
ES2030565T3 (es) 1992-11-01
FR2634823A1 (fr) 1990-02-02
EP0352704A1 (fr) 1990-01-31

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Legal Events

Date Code Title Description
ST Notification of lapse