[go: up one dir, main page]

FR2506844A1 - AIR-FUEL RATIO CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - Google Patents

AIR-FUEL RATIO CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

Info

Publication number
FR2506844A1
FR2506844A1 FR8209379A FR8209379A FR2506844A1 FR 2506844 A1 FR2506844 A1 FR 2506844A1 FR 8209379 A FR8209379 A FR 8209379A FR 8209379 A FR8209379 A FR 8209379A FR 2506844 A1 FR2506844 A1 FR 2506844A1
Authority
FR
France
Prior art keywords
detector
air
control device
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.)
Withdrawn
Application number
FR8209379A
Other languages
French (fr)
Inventor
Kazuo Nakazato
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 JP8287381A external-priority patent/JPS57198353A/en
Priority claimed from JP56082874A external-priority patent/JPS57198354A/en
Application filed by Fuji Jukogyo KK, Fuji Heavy Industries Ltd filed Critical Fuji Jukogyo KK
Publication of FR2506844A1 publication Critical patent/FR2506844A1/en
Withdrawn legal-status Critical Current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
    • F02D41/02—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
    • F02D41/1486—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor with correction for particular operating conditions
    • F02D41/1488—Inhibiting the regulation
    • F02D41/1489—Replacing of the control value by a constant

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

CE DISPOSITIF COMPREND UN PREMIER DETECTEUR 5 POUR DETECTER LA CONCENTRATION DE O DES GAZ D'ECHAPPEMENT, UN SECOND DETECTEUR 29 SENSIBLE A LA DEPRESSION AU VENTURI DU CARBURATEUR DU MOTEUR ET PRODUISANT UN SIGNAL SOUS L'ACTION DE CETTE DEPRESSION, EN FONCTION DES CONDITIONS DE FONCTIONNEMENT DU MOTEUR, UN CIRCUIT 32 GENERATEUR DE SIGNAL FIXE, ET DES COMMUTATEURS 35, 39 ACTIONNES PAR LE SIGNAL DU SECOND DETECTEUR 29 POUR RENDRE INEFFICACE LE SIGNAL DE SORTIE DU PREMIER DETECTEUR 5 ET POUR APPLIQUER LEDIT SIGNAL FIXE A UN CIRCUIT 37 D'ACTIONNEMENT D'ELECTROVANNES DE CORRECTION DU MELANGE.THIS DEVICE INCLUDES A FIRST DETECTOR 5 TO DETECT THE CONCENTRATION OF O IN THE EXHAUST GASES, A SECOND DETECTOR 29 SENSITIVE TO VENTURI VENTURI OF THE ENGINE CARBURETOR AND PRODUCING A SIGNAL UNDER THE ACTION OF THIS DEPRESSION, ACCORDING TO THE CONDITIONS OF MOTOR OPERATION, A FIXED SIGNAL GENERATOR CIRCUIT 32, AND SWITCHES 35, 39 ACTIVATED BY THE SIGNAL OF THE SECOND DETECTOR 29 TO RENDER THE OUTPUT SIGNAL OF THE FIRST DETECTOR 5 AND TO APPLY THIS FIXED SIGNAL TO AN ACTUATION CIRCUIT 37 MIXING CORRECTION SOLENOID VALVES.

FR8209379A 1981-05-29 1982-05-28 AIR-FUEL RATIO CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE Withdrawn FR2506844A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8287381A JPS57198353A (en) 1981-05-29 1981-05-29 Control device of air-fuel ratio in internal combustion engine
JP56082874A JPS57198354A (en) 1981-05-29 1981-05-29 Control device of air-fuel ratio in internal combustion engine

Publications (1)

Publication Number Publication Date
FR2506844A1 true FR2506844A1 (en) 1982-12-03

Family

ID=26423900

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8209379A Withdrawn FR2506844A1 (en) 1981-05-29 1982-05-28 AIR-FUEL RATIO CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

Country Status (3)

Country Link
DE (1) DE3220259A1 (en)
FR (1) FR2506844A1 (en)
GB (1) GB2111254B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5987243A (en) * 1982-11-10 1984-05-19 Fuji Heavy Ind Ltd Air-fuel ratio controller of internal-combustion engine
JPS60162087A (en) * 1984-02-02 1985-08-23 Sanden Corp Capacity-control type compressor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1525825A (en) * 1975-08-05 1978-09-20 Nissan Motor Closed-loop air-fuel mixture control apparatus for internal combustion engines with means for minimizing voltage swing during transient engine operating conditions
US4132199A (en) * 1976-07-12 1979-01-02 Hitachi, Ltd. Air-fuel ratio control apparatus
GB2059118A (en) * 1979-08-02 1981-04-15 Nissan Motor Automatic control of air/fuel mixture in ic engines
GB2061563A (en) * 1979-08-02 1981-05-13 Fuji Heavy Ind Ltd Automatic control of air fuel ratio in ic engines

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1576522C3 (en) * 1966-09-27 1976-01-08 Daimler-Benz Ag, 7000 Stuttgart Stage carburetor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1525825A (en) * 1975-08-05 1978-09-20 Nissan Motor Closed-loop air-fuel mixture control apparatus for internal combustion engines with means for minimizing voltage swing during transient engine operating conditions
US4132199A (en) * 1976-07-12 1979-01-02 Hitachi, Ltd. Air-fuel ratio control apparatus
GB2059118A (en) * 1979-08-02 1981-04-15 Nissan Motor Automatic control of air/fuel mixture in ic engines
GB2061563A (en) * 1979-08-02 1981-05-13 Fuji Heavy Ind Ltd Automatic control of air fuel ratio in ic engines

Also Published As

Publication number Publication date
GB2111254A (en) 1983-06-29
DE3220259A1 (en) 1982-12-30
GB2111254B (en) 1985-11-06

Similar Documents

Publication Publication Date Title
JPS562438A (en) Mixing ratio controller for internal combustion engine
JPS57210137A (en) Feedback control device of air-fuel ratio in internal combustion engine
JPS57151039A (en) Purifying device of exhaust from multi-cylinder engine
KR870010288A (en) Fuel control device of internal combustion engine
KR840004476A (en) Fuel injection controller
JPS5759039A (en) Working condition display process in internal combustion engine
FR2506844A1 (en) AIR-FUEL RATIO CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
FR2418346A1 (en) Ignition system for IC engine - detects too little fuel in combustion chamber and causes computer to advance ignition pulse
JPS523925A (en) Fuel control device for internal combustion engine
JPS52115917A (en) Intake method and intake system device for internal combustion engine
FR2603697A1 (en) AIR / FUEL RATIO DETECTION SENSOR FOR AN INTERNAL COMBUSTION ENGINE
JPS523926A (en) Fuel injection device for internal combustion engine
JPS52149524A (en) Air fuel ratio control device for internal combustion engine
SE9102629D0 (en) DEVICE IN COMBUSTION ENGINE
JPS5519933A (en) Fuel injection system in gasoline engine
JPS5321330A (en) Air-intake control device in internal combustion engine for vehicle
JPS5546060A (en) Electronic fuel injection device for internal combustion engine
JPS521233A (en) Exhaust gas recirculation device control system
JPS52124532A (en) Ignition timing and fuel feed quantit control for engine for cars
JPS566041A (en) Air-fuel ratio controlling device
JPS55109734A (en) Circuit for controlling internal combustion engine
JPS521234A (en) Harmful exhaust gas elimination device for internal combustion engine of diesel engine etc
JPS55137342A (en) Combustion controller for internal combustion engine
JPS5270234A (en) Apparatus to return exhaust in internal-combustion engine
JPS53112329A (en) Intake apparatus for internal combustion engine

Legal Events

Date Code Title Description
ST Notification of lapse