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JPS56132424A - Electronically controlled fuel injection device - Google Patents

Electronically controlled fuel injection device

Info

Publication number
JPS56132424A
JPS56132424A JP3533080A JP3533080A JPS56132424A JP S56132424 A JPS56132424 A JP S56132424A JP 3533080 A JP3533080 A JP 3533080A JP 3533080 A JP3533080 A JP 3533080A JP S56132424 A JPS56132424 A JP S56132424A
Authority
JP
Japan
Prior art keywords
pulse
circuit
fuel
reinjection
cutting
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
JP3533080A
Other languages
Japanese (ja)
Inventor
Naomi Tomizawa
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.)
Hitachi Unisia Automotive Ltd
Original Assignee
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 Japan Electronic Control Systems Co Ltd filed Critical Japan Electronic Control Systems Co Ltd
Priority to JP3533080A priority Critical patent/JPS56132424A/en
Publication of JPS56132424A publication Critical patent/JPS56132424A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

PURPOSE: To reduce a reinjection pulse for fuel after cutting off the fuel and decrease a shock at reinjection, by providing a divider circuit for frequency-dividing rotary pulses of an engine and a pulse width setter circuit for adjusting pulse width of a generated pulse in the divider circuit.
CONSTITUTION: A solenoid injection valve is driven by a rotary pulse generator circuit 6 for generating a rotary pulse, basic pulse generator circuit 2 for generating a basic pulse in accordance with an amount of intake air, fuel cutting circuit 3 and correction circuit 4. On the other hand, width of a pulse generated in a divider circuit 7 is adjusted by a pulse width setter circuit 11. Within a prescribed time after cutting off fuel from reinjection of the fuel, a fuel injection pulse is decreased by a switching circuit 10 and the pulse width setter circuit 11, thus a shock can be reduced at the time of reinjection.
COPYRIGHT: (C)1981,JPO&Japio
JP3533080A 1980-03-19 1980-03-19 Electronically controlled fuel injection device Pending JPS56132424A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3533080A JPS56132424A (en) 1980-03-19 1980-03-19 Electronically controlled fuel injection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3533080A JPS56132424A (en) 1980-03-19 1980-03-19 Electronically controlled fuel injection device

Publications (1)

Publication Number Publication Date
JPS56132424A true JPS56132424A (en) 1981-10-16

Family

ID=12438810

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3533080A Pending JPS56132424A (en) 1980-03-19 1980-03-19 Electronically controlled fuel injection device

Country Status (1)

Country Link
JP (1) JPS56132424A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60249636A (en) * 1984-05-23 1985-12-10 Fuji Heavy Ind Ltd Fuel cut apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60249636A (en) * 1984-05-23 1985-12-10 Fuji Heavy Ind Ltd Fuel cut apparatus

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