FR2477639B1 - Dispositif de commande du rapport air/carburant pour un moteur a combustion interne - Google Patents

Dispositif de commande du rapport air/carburant pour un moteur a combustion interne

Info

Publication number
FR2477639B1
FR2477639B1 FR8104656A FR8104656A FR2477639B1 FR 2477639 B1 FR2477639 B1 FR 2477639B1 FR 8104656 A FR8104656 A FR 8104656A FR 8104656 A FR8104656 A FR 8104656A FR 2477639 B1 FR2477639 B1 FR 2477639B1
Authority
FR
France
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
Application number
FR8104656A
Other languages
English (en)
Other versions
FR2477639A1 (fr
Inventor
Masaaki Ohgami
Fujio Matsui
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.)
Subaru Corp
Original Assignee
Fuji Jukogyo KK
Fuji Heavy Industries Ltd
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
Priority claimed from JP2933680A external-priority patent/JPS56126649A/ja
Priority claimed from JP2933180A external-priority patent/JPS56126648A/ja
Application filed by Fuji Jukogyo KK, Fuji Heavy Industries Ltd filed Critical Fuji Jukogyo KK
Publication of FR2477639A1 publication Critical patent/FR2477639A1/fr
Application granted granted Critical
Publication of FR2477639B1 publication Critical patent/FR2477639B1/fr
Expired 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
    • F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
    • F02D41/1474—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method by detecting the commutation time of the sensor

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)
FR8104656A 1980-03-07 1981-03-09 Dispositif de commande du rapport air/carburant pour un moteur a combustion interne Expired FR2477639B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2933680A JPS56126649A (en) 1980-03-07 1980-03-07 Air-fuel ratio controlling apparatus
JP2933180A JPS56126648A (en) 1980-03-07 1980-03-07 Air-fuel ratio controlling apparatus

Publications (2)

Publication Number Publication Date
FR2477639A1 FR2477639A1 (fr) 1981-09-11
FR2477639B1 true FR2477639B1 (fr) 1986-04-04

Family

ID=26367518

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8104656A Expired FR2477639B1 (fr) 1980-03-07 1981-03-09 Dispositif de commande du rapport air/carburant pour un moteur a combustion interne

Country Status (3)

Country Link
DE (1) DE3108581C2 (fr)
FR (1) FR2477639B1 (fr)
GB (1) GB2071362B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3827040A1 (de) * 1988-08-10 1990-02-15 Bayerische Motoren Werke Ag Verfahren zur regelung des kraftstoff-luft-verhaeltnisses des einer brennkraftmaschine mit dreiwegekatalysator zuzufuehrenden kraftstoff-luft-gemisches
JP3868041B2 (ja) * 1996-06-25 2007-01-17 日本特殊陶業株式会社 空燃比検出装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5297030A (en) * 1976-02-12 1977-08-15 Nissan Motor Co Ltd Air fuel ratio controller
US4122811A (en) * 1977-07-25 1978-10-31 General Motors Corporation Digital closed loop fuel control system
JPS5623531A (en) * 1979-08-02 1981-03-05 Fuji Heavy Ind Ltd Air-fuel ratio controller

Also Published As

Publication number Publication date
GB2071362A (en) 1981-09-16
GB2071362B (en) 1984-02-22
DE3108581C2 (de) 1985-05-02
DE3108581A1 (de) 1982-01-07
FR2477639A1 (fr) 1981-09-11

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Legal Events

Date Code Title Description
ST Notification of lapse