DE3070458D1 - Electronic control unit to regulate the air-fuel ratio of the mixture fed to an internal-combustion engine - Google Patents

Electronic control unit to regulate the air-fuel ratio of the mixture fed to an internal-combustion engine

Info

Publication number
DE3070458D1
DE3070458D1 DE8080401409T DE3070458T DE3070458D1 DE 3070458 D1 DE3070458 D1 DE 3070458D1 DE 8080401409 T DE8080401409 T DE 8080401409T DE 3070458 T DE3070458 T DE 3070458T DE 3070458 D1 DE3070458 D1 DE 3070458D1
Authority
DE
Germany
Prior art keywords
regulate
internal
control unit
air
combustion engine
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
DE8080401409T
Other languages
English (en)
Inventor
Pierre Planteline
Roger Machetel
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.)
PSA GIE RECH DEV
Original Assignee
PSA GIE RECH DEV
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 PSA GIE RECH DEV filed Critical PSA GIE RECH DEV
Application granted granted Critical
Publication of DE3070458D1 publication Critical patent/DE3070458D1/de
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
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • 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
    • F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
    • F02D41/1482—Integrator, i.e. variable slope

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
DE8080401409T 1979-10-19 1980-10-03 Electronic control unit to regulate the air-fuel ratio of the mixture fed to an internal-combustion engine Expired DE3070458D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7926045A FR2467985B1 (fr) 1979-10-19 1979-10-19 Controleur electronique de regulation du rapport air/carburant du melange fourni a un moteur a combustion interne

Publications (1)

Publication Number Publication Date
DE3070458D1 true DE3070458D1 (en) 1985-05-15

Family

ID=9230853

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080401409T Expired DE3070458D1 (en) 1979-10-19 1980-10-03 Electronic control unit to regulate the air-fuel ratio of the mixture fed to an internal-combustion engine

Country Status (5)

Country Link
US (1) US4391251A (de)
EP (1) EP0028174B1 (de)
JP (1) JPS56124649A (de)
DE (1) DE3070458D1 (de)
FR (1) FR2467985B1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5827857A (ja) * 1981-08-12 1983-02-18 Mitsubishi Electric Corp 空燃比制御方法
JPS58217749A (ja) * 1982-06-11 1983-12-17 Honda Motor Co Ltd 内燃エンジンの特定運転状態時の燃料供給制御方法
JPS59539A (ja) * 1982-06-25 1984-01-05 Honda Motor Co Ltd 車輌用内燃エンジンの混合気の空燃比制御方法
JPS6181537A (ja) * 1984-09-26 1986-04-25 Honda Motor Co Ltd 内燃エンジンのフイ−ドバツクモ−ド移行時の空燃比制御装置
US5379635A (en) * 1993-12-03 1995-01-10 Ford Motor Company Method and apparatus for identifying characteristic shift downward
US6591817B2 (en) 2001-03-21 2003-07-15 Motorola, Inc. Dual fuel method and system
WO2015023885A2 (en) 2013-08-15 2015-02-19 Kohler Co. Systems and methods for electronically controlling fuel-to-air ratio for an internal combustion engine
US10161899B2 (en) * 2014-09-30 2018-12-25 Rosemount Inc. Oxygen sensor with electrochemical protection mode
US10054081B2 (en) 2014-10-17 2018-08-21 Kohler Co. Automatic starting system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2029418A1 (de) * 1969-01-31 1970-10-23 Electronique Informatique Soc
US3895611A (en) * 1972-10-17 1975-07-22 Nippon Denso Co Air-fuel ratio feedback type fuel injection system
FR2263384A1 (en) * 1974-03-06 1975-10-03 Sopromi Soc Proc Modern Inject Correction cct. for engine fuel injection system - varies duration of injection time according to exhaust oxygen content
JPS5148021A (ja) * 1974-10-21 1976-04-24 Nissan Motor Kunenhiseigyosochi
JPS51117231A (en) * 1975-04-08 1976-10-15 Nissan Motor Co Ltd Air-fuel ratio control system
JPS6020570B2 (ja) * 1976-10-25 1985-05-22 トヨタ自動車株式会社 内燃機関の燃料供給装置
DE2633617C2 (de) * 1976-07-27 1986-09-25 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Vorrichtung zur Bestimmung von Einstellgrößen bei einer Brennkraftmaschine, insbesondere der Dauer von Kraftstoffeinspritzimpulsen, des Zündwinkels, der Abgasrückführrate
DE2713988A1 (de) * 1977-03-30 1978-10-05 Bosch Gmbh Robert Verfahren und einrichtung zur bestimmung der verhaeltnisanteile des einer brennkraftmaschine zugefuehrten kraftstoff-luftgemisches
FR2389770A1 (en) * 1977-05-06 1978-12-01 Sibe Electronic control for IC engine carburettor - has computer memory storing information from warm running for electronic circuit control
US4279230A (en) * 1977-05-06 1981-07-21 Societe Industrielle De Brevets Et D'etudes S.I.B.E. Fuel control systems for internal combustion engines
US4122811A (en) * 1977-07-25 1978-10-31 General Motors Corporation Digital closed loop fuel control system
JPS5493718A (en) * 1977-12-30 1979-07-25 Sibe Fuel feeder for internal combustion engine
JPS54158527A (en) * 1978-06-02 1979-12-14 Hitachi Ltd Electronic type fuel control device for internal combustion engine
US4307694A (en) * 1980-06-02 1981-12-29 Ford Motor Company Digital feedback system

Also Published As

Publication number Publication date
FR2467985B1 (fr) 1985-06-07
EP0028174A1 (de) 1981-05-06
US4391251A (en) 1983-07-05
FR2467985A1 (fr) 1981-04-30
EP0028174B1 (de) 1985-04-10
JPS56124649A (en) 1981-09-30

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee