JPS59566U - Direct injection gasoline engine fuel supply system - Google Patents
Direct injection gasoline engine fuel supply systemInfo
- 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
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
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)
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.
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)
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 |
-
1982
- 1982-06-23 JP JP9388382U patent/JPS59566U/en active Pending
Cited By (1)
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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