JPS59566U - Direct injection gasoline engine fuel supply system - Google Patents

Direct injection gasoline engine fuel supply system

Info

Publication number
JPS59566U
JPS59566U JP9388382U JP9388382U JPS59566U JP S59566 U JPS59566 U JP S59566U JP 9388382 U JP9388382 U JP 9388382U JP 9388382 U JP9388382 U JP 9388382U JP S59566 U JPS59566 U JP S59566U
Authority
JP
Japan
Prior art keywords
fuel
fuel pump
direct injection
gasoline engine
injection gasoline
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
JP9388382U
Other languages
Japanese (ja)
Inventor
丹下　昭二
井上　隆三郎
相原　久元
Original Assignee
日産自動車株式会社
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 日産自動車株式会社 filed Critical 日産自動車株式会社
Priority to JP9388382U priority Critical patent/JPS59566U/en
Publication of JPS59566U publication Critical patent/JPS59566U/en
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Reciprocating Pumps (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来装置の燃料供給系を示す回路図、第２図は
機械式高圧燃料式ポンプの吐出圧特性を示す説明図であ
る。第３図は本考案の第１実施例を示す回路図、第４図
は同じく第２実施例を示す回路図である。 １・・・燃料タンク、３・・・燃料フィルタ、４・・・
電動式中圧燃料ポンプ、５・・・機械式高圧燃料ポンプ
、７・・・燃料分配器、８・・・燃料噴射インジェクタ
、１０・・・余剰燃料戻り配管、１５・・・供給配管、
１９・・・制御回路、２０・・・バッテリ、２１・・・
キースイッチ、２２〜２４・・・抵抗、２５・・・リレ
ー、２６・・・比較器、２７・・・水温センサ、３０・
・・点火コイル、３１・・・燃料圧センサ、３２・・・
可変抵抗器、３３・・・制御回路。 と）＝祠　１− ２０２１FIG. 1 is a circuit diagram showing a fuel supply system of a conventional device, and FIG. 2 is an explanatory diagram showing discharge pressure characteristics of a mechanical high-pressure fuel pump. FIG. 3 is a circuit diagram showing a first embodiment of the present invention, and FIG. 4 is a circuit diagram showing a second embodiment. 1...Fuel tank, 3...Fuel filter, 4...
Electric medium pressure fuel pump, 5... Mechanical high pressure fuel pump, 7... Fuel distributor, 8... Fuel injection injector, 10... Excess fuel return pipe, 15... Supply pipe,
19... Control circuit, 20... Battery, 21...
Key switch, 22-24...Resistor, 25...Relay, 26...Comparator, 27...Water temperature sensor, 30...
...Ignition coil, 31...Fuel pressure sensor, 32...
Variable resistor, 33...control circuit. ) = Shrine 1- 2021

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 各気筒の燃焼室にそれぞれ燃料噴射インジェクタを配設
し、エンジンにて駆動される機械式燃料−ポンプを設け
、この燃料ポンプから吐出燃料を上記インジェクタに供
給するようにした直噴式ガソリン機関の燃料供給装置に
おいて、燃料タンクからの燃料を上記機械式燃料ポンプ
の吸い込み側に送り込む電動式燃料ポンプを設けこの電
動式燃料ポンプの吐出圧が、機関クランキング時は所定
の燃料供給圧となり、かつ始動後は機械式燃料ポンプの
フィードポンプとして所定の燃料圧となるように、電動
式燃料ポンプの通電量を制御する制御回路を設けたこと
を特徴とする直噴式ガソリン機関の燃料供給装置。Fuel for a direct injection gasoline engine, in which a fuel injector is provided in the combustion chamber of each cylinder, a mechanical fuel pump driven by the engine is provided, and discharged fuel is supplied from the fuel pump to the injector. The supply device includes an electric fuel pump that sends fuel from the fuel tank to the suction side of the mechanical fuel pump, and the discharge pressure of the electric fuel pump becomes a predetermined fuel supply pressure during engine cranking, and when the engine is started. 1. A fuel supply device for a direct injection gasoline engine, characterized in that a control circuit is provided for controlling the amount of electricity supplied to an electric fuel pump so that a predetermined fuel pressure is achieved as a feed pump for a mechanical fuel pump.
JP9388382U 1982-06-23 1982-06-23 Direct injection gasoline engine fuel supply system Pending JPS59566U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9388382U JPS59566U (en) 1982-06-23 1982-06-23 Direct injection gasoline engine fuel supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9388382U JPS59566U (en) 1982-06-23 1982-06-23 Direct injection gasoline engine fuel supply system

Publications (1)

Publication Number Publication Date
JPS59566U true JPS59566U (en) 1984-01-05

Family

ID=30225012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9388382U Pending JPS59566U (en) 1982-06-23 1982-06-23 Direct injection gasoline engine fuel supply system

Country Status (1)

Country Link
JP (1) JPS59566U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6133964U (en) * 1984-07-31 1986-03-01 トヨタ自動車株式会社 fuel supply device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6133964U (en) * 1984-07-31 1986-03-01 トヨタ自動車株式会社 fuel supply device

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