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JPS57113931A - Control device of fuel injection valve - Google Patents

Control device of fuel injection valve

Info

Publication number
JPS57113931A
JPS57113931A JP87681A JP87681A JPS57113931A JP S57113931 A JPS57113931 A JP S57113931A JP 87681 A JP87681 A JP 87681A JP 87681 A JP87681 A JP 87681A JP S57113931 A JPS57113931 A JP S57113931A
Authority
JP
Japan
Prior art keywords
voltage
inputted
resistance
control device
solenoid
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
JP87681A
Other languages
Japanese (ja)
Inventor
Junichi Watanabe
Keiji Kusaka
Takahiko Aoyama
Hisashi Fujii
Yoshiaki Omori
Tsuneo Sugimori
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.)
Kawasaki Heavy Industries Ltd
Kawasaki Motors Ltd
Original Assignee
Kawasaki Heavy Industries Ltd
Kawasaki Jukogyo KK
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 Kawasaki Heavy Industries Ltd, Kawasaki Jukogyo KK filed Critical Kawasaki Heavy Industries Ltd
Priority to JP87681A priority Critical patent/JPS57113931A/en
Publication of JPS57113931A publication Critical patent/JPS57113931A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To reduce the electric consumption by intercepting a switching element for a previously fixed period when solenoid exciting current reaches to a previously fixed value for controlling the solenoid exciting current at a low level.
CONSTITUTION: An electric source 29, a switching element 21, and a resistance 22 are connected toa solenoid 17 in a control device 16 in series, while a diode 23 is connected in parallel. The voltage on both ends of the resistance 22 is inputted into one end of a comparison circuit 25, while a reference voltage determined by voltage-dividing resistances 46 and 47 is inputted to another end. The comparison circuit 25 gives an H-level signal to a single ballast circuit 26 when the voltage on both ends of the resistance 22 is increased over the reference voltage determined by voltage-dividing resistances 46 and 47. Correspondingly, the single ballast circuit 26 inputs an L-level signal to one end of an NAND gate 27 for a fixed period, while an injection signal is inputted to another end from a processor 14.
COPYRIGHT: (C)1982,JPO&Japio
JP87681A 1981-01-07 1981-01-07 Control device of fuel injection valve Pending JPS57113931A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP87681A JPS57113931A (en) 1981-01-07 1981-01-07 Control device of fuel injection valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP87681A JPS57113931A (en) 1981-01-07 1981-01-07 Control device of fuel injection valve

Publications (1)

Publication Number Publication Date
JPS57113931A true JPS57113931A (en) 1982-07-15

Family

ID=11485867

Family Applications (1)

Application Number Title Priority Date Filing Date
JP87681A Pending JPS57113931A (en) 1981-01-07 1981-01-07 Control device of fuel injection valve

Country Status (1)

Country Link
JP (1) JPS57113931A (en)

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