JPS5738627A - Electronic control fuel injection apparatus - Google Patents

Electronic control fuel injection apparatus

Info

Publication number
JPS5738627A
JPS5738627A JP11363280A JP11363280A JPS5738627A JP S5738627 A JPS5738627 A JP S5738627A JP 11363280 A JP11363280 A JP 11363280A JP 11363280 A JP11363280 A JP 11363280A JP S5738627 A JPS5738627 A JP S5738627A
Authority
JP
Japan
Prior art keywords
fuel injection
accordance
fuel
negative pressure
shifted
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
JP11363280A
Other languages
Japanese (ja)
Inventor
Tadao Kakizaki
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 JP11363280A priority Critical patent/JPS5738627A/en
Publication of JPS5738627A publication Critical patent/JPS5738627A/en
Pending legal-status Critical Current

Links

Landscapes

  • Fuel-Injection Apparatus (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)

Abstract

PURPOSE: To change a fuel injection quantity per unit valve-opening time of a fuel injection valve in accordance with a manifold negative pressure so as to obtain a proper air-fuel ratio, by changing a difference between a fuel pressure and the manifold negative pressure in accordance with manifold negative pressure.
CONSTITUTION: Diaphragms d2 and d3, and pillar-shaped member 32 is shifted upward when a manifold negative pressure Pm is decreased, while shifted downward when the Pm is increased. In accordance with this up-down motion, a diaphragm d1 and a valve body 52 are shifted up- and downward, and the valve body 52 increases and decreases quantity of a pressurized fuel which is turned back to a fuel tank from a decompression chamber A through an oil sending tube 50 so as to control a pressure supplied to a fuel injection valve from the decompression chamber A. The upper end portion of a coil spring 38 is shifted downward or upward together with the upper diaphragm d2 in accordance with increase or decrease of the Pm.
COPYRIGHT: (C)1982,JPO&Japio
JP11363280A 1980-08-19 1980-08-19 Electronic control fuel injection apparatus Pending JPS5738627A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11363280A JPS5738627A (en) 1980-08-19 1980-08-19 Electronic control fuel injection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11363280A JPS5738627A (en) 1980-08-19 1980-08-19 Electronic control fuel injection apparatus

Publications (1)

Publication Number Publication Date
JPS5738627A true JPS5738627A (en) 1982-03-03

Family

ID=14617147

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11363280A Pending JPS5738627A (en) 1980-08-19 1980-08-19 Electronic control fuel injection apparatus

Country Status (1)

Country Link
JP (1) JPS5738627A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS593158A (en) * 1982-06-30 1984-01-09 Nec Home Electronics Ltd Fuel pressure regulating device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS593158A (en) * 1982-06-30 1984-01-09 Nec Home Electronics Ltd Fuel pressure regulating device

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