JPS57102528A - Air-fuel ratio change-over unit for electronic control fuel injection equipment - Google Patents

Air-fuel ratio change-over unit for electronic control fuel injection equipment

Info

Publication number
JPS57102528A
JPS57102528A JP55175800A JP17580080A JPS57102528A JP S57102528 A JPS57102528 A JP S57102528A JP 55175800 A JP55175800 A JP 55175800A JP 17580080 A JP17580080 A JP 17580080A JP S57102528 A JPS57102528 A JP S57102528A
Authority
JP
Japan
Prior art keywords
ratio change
fuel ratio
solenoid
air
air flow
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.)
Pending
Application number
JP55175800A
Other languages
Japanese (ja)
Inventor
Tatsumi Sunaga
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.)
NIHON DENSHI KIKI KK
Hitachi Unisia Automotive Ltd
Original Assignee
NIHON DENSHI KIKI KK
Japan Electronic Control Systems Co 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
Application filed by NIHON DENSHI KIKI KK, Japan Electronic Control Systems Co Ltd filed Critical NIHON DENSHI KIKI KK
Priority to JP55175800A priority Critical patent/JPS57102528A/en
Publication of JPS57102528A publication Critical patent/JPS57102528A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electrical Control Of Ignition Timing (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

PURPOSE: To perform an appropriate air-fuel ratio change-over control during the time of acceleration, a cruise, and deceleration of a vehicle by cnducting the air-fuel ratio change-over by using the throttle valve opening rate and an voltage signal.
CONSTITUTION: A signal on an intake air flow rate detected by a take air flow meter 7 is input to a combined circuit 9, which consists of an EGI control unit 3 and a composite circuit 8 constisting of circuits classified by the intake air flow rate, a solenoid driving circuit for the ignition timing control, and a solenoid driving circuit for an EGR control. From the combined circuit 9, driving electric power is output to a terminal 6' for an ignition timing control solenoid, a terminal 5' for an EGR control solenoid, and a fuel injection valve 4.
COPYRIGHT: (C)1982,JPO&Japio
JP55175800A 1980-12-15 1980-12-15 Air-fuel ratio change-over unit for electronic control fuel injection equipment Pending JPS57102528A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55175800A JPS57102528A (en) 1980-12-15 1980-12-15 Air-fuel ratio change-over unit for electronic control fuel injection equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55175800A JPS57102528A (en) 1980-12-15 1980-12-15 Air-fuel ratio change-over unit for electronic control fuel injection equipment

Publications (1)

Publication Number Publication Date
JPS57102528A true JPS57102528A (en) 1982-06-25

Family

ID=16002463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55175800A Pending JPS57102528A (en) 1980-12-15 1980-12-15 Air-fuel ratio change-over unit for electronic control fuel injection equipment

Country Status (1)

Country Link
JP (1) JPS57102528A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5232426A (en) * 1975-09-08 1977-03-11 Nippon Denso Co Ltd Electronic controlled fuel jet device for internal combustion engine
JPS5514988A (en) * 1979-03-12 1980-02-01 Japan Electronic Control Syst Co Ltd Air absorbing flow quantity for fuel injection device
JPS55125335A (en) * 1979-03-20 1980-09-27 Nissan Motor Co Ltd Fuel injection controller for internal combustion engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5232426A (en) * 1975-09-08 1977-03-11 Nippon Denso Co Ltd Electronic controlled fuel jet device for internal combustion engine
JPS5514988A (en) * 1979-03-12 1980-02-01 Japan Electronic Control Syst Co Ltd Air absorbing flow quantity for fuel injection device
JPS55125335A (en) * 1979-03-20 1980-09-27 Nissan Motor Co Ltd Fuel injection controller for internal combustion engine

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