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JPS5898470U - Internal combustion engine fuel injection system - Google Patents

Internal combustion engine fuel injection system

Info

Publication number
JPS5898470U
JPS5898470U JP19550681U JP19550681U JPS5898470U JP S5898470 U JPS5898470 U JP S5898470U JP 19550681 U JP19550681 U JP 19550681U JP 19550681 U JP19550681 U JP 19550681U JP S5898470 U JPS5898470 U JP S5898470U
Authority
JP
Japan
Prior art keywords
fuel
fuel injection
combustion engine
internal combustion
passage
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.)
Granted
Application number
JP19550681U
Other languages
Japanese (ja)
Other versions
JPS6115250Y2 (en
Inventor
斉藤　正昭
明信 森山
博通 三輪
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 JP19550681U priority Critical patent/JPS5898470U/en
Publication of JPS5898470U publication Critical patent/JPS5898470U/en
Application granted granted Critical
Publication of JPS6115250Y2 publication Critical patent/JPS6115250Y2/ja
Granted legal-status Critical Current

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  • 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図は従来の燃料噴射装置の系統図、第２図はその燃
料噴射弁の断面図、第３図は本考案の燃料噴射弁の断面
図、第４図は本考案の燃料噴射装置の系統図、第５図は
燃料噴射弁の他の実施例を示す断面図である。 ２・・・インジェクションポンプ、１９・・・フューエ
ルポンプ、２１・・・フューエルフィルタ、２５・・・
インジェクションチューブ、３１・・・ニールト、３２
・・ヅズル、４２・・・バルブ、４４・・・燃料通路、
４５・・・油溜め、４６・・・噴口、４７・・・圧力室
、４９・・・ピストン、５５・・・フィードポンプ。Fig. 1 is a system diagram of a conventional fuel injection device, Fig. 2 is a sectional view of the fuel injection valve thereof, Fig. 3 is a sectional view of the fuel injection valve of the present invention, and Fig. 4 is a diagram of the fuel injection device of the present invention. The system diagram, FIG. 5, is a sectional view showing another embodiment of the fuel injection valve. 2... Injection pump, 19... Fuel pump, 21... Fuel filter, 25...
Injection tube, 31... Neilt, 32
...Tuzzle, 42...Valve, 44...Fuel passage,
45... Oil reservoir, 46... Nozzle, 47... Pressure chamber, 49... Piston, 55... Feed pump.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] フューエルポンプからの燃料を加圧しインジェクション
チューブを介して燃料噴射弁に供給するインジェクショ
ンポンプと、該インジェクションチューブと燃料噴射弁
のノズルとの間の通路内に設けられ、燃料の加圧力に応
じて軸方向移動可能なピストンと、該ピストンとノズル
との間の通路にチェックバルブを介して燃料を供給する
フィードポンプを備え、インジェクションポンプ停止時
前記通路内に前記フィードポンプより燃料を供給し、こ
の通路内に一定の供給圧を保持するようにしたことを特
徴とする内燃機関の燃料噴射装置。The injection pump pressurizes the fuel from the fuel pump and supplies it to the fuel injection valve via the injection tube, and is installed in the passage between the injection tube and the nozzle of the fuel injection valve. A piston that is movable in a direction, and a feed pump that supplies fuel to a passage between the piston and the nozzle through a check valve, and when the injection pump is stopped, the feed pump supplies fuel into the passage, and the passage 1. A fuel injection device for an internal combustion engine, characterized in that a constant supply pressure is maintained within the fuel injection device.
JP19550681U 1981-12-26 1981-12-26 Internal combustion engine fuel injection system Granted JPS5898470U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19550681U JPS5898470U (en) 1981-12-26 1981-12-26 Internal combustion engine fuel injection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19550681U JPS5898470U (en) 1981-12-26 1981-12-26 Internal combustion engine fuel injection system

Publications (2)

Publication Number Publication Date
JPS5898470U true JPS5898470U (en) 1983-07-04
JPS6115250Y2 JPS6115250Y2 (en) 1986-05-12

Family

ID=30108780

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19550681U Granted JPS5898470U (en) 1981-12-26 1981-12-26 Internal combustion engine fuel injection system

Country Status (1)

Country Link
JP (1) JPS5898470U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6090979A (en) * 1983-10-25 1985-05-22 Mitsubishi Heavy Ind Ltd Fuel injection device
JPS6090977A (en) * 1983-10-22 1985-05-22 Mitsubishi Heavy Ind Ltd Fuel injection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6090977A (en) * 1983-10-22 1985-05-22 Mitsubishi Heavy Ind Ltd Fuel injection device
JPS6090979A (en) * 1983-10-25 1985-05-22 Mitsubishi Heavy Ind Ltd Fuel injection device

Also Published As

Publication number Publication date
JPS6115250Y2 (en) 1986-05-12

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