JPS5832166U - Internal combustion engine fuel injection nozzle - Google Patents

Internal combustion engine fuel injection nozzle

Info

Publication number
JPS5832166U
JPS5832166U JP12647581U JP12647581U JPS5832166U JP S5832166 U JPS5832166 U JP S5832166U JP 12647581 U JP12647581 U JP 12647581U JP 12647581 U JP12647581 U JP 12647581U JP S5832166 U JPS5832166 U JP S5832166U
Authority
JP
Japan
Prior art keywords
fuel injection
fuel
combustion engine
internal combustion
pumping chamber
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
JP12647581U
Other languages
Japanese (ja)
Inventor
和気 恂一
Original Assignee
日産デイ−ゼル工業株式会社
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 日産デイ−ゼル工業株式会社 filed Critical 日産デイ−ゼル工業株式会社
Priority to JP12647581U priority Critical patent/JPS5832166U/en
Publication of JPS5832166U publication Critical patent/JPS5832166U/en
Pending 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 the drawing]

図は本考案の一実施例に係る燃料噴射ノズルの縦断面図
である。 1・・・燃料噴射ノズル、2・・・ノズルホルダ、6・
・・シリンダ、7・・・プランジャ、8・・・スプリン
グ、9・・・ソレノイド、10・・・燃料入口、12・
・・ポンピング室、13・・・チェックバルブ、14・
・・燃料通路、15・・・針弁、16・・・燃料溜り、
17・・・燃料通路、19・・・スプリング収納孔、2
1・・・スプリング、22・・・燃料通路、23・・・
噴射口。
The figure is a longitudinal sectional view of a fuel injection nozzle according to an embodiment of the present invention. 1... Fuel injection nozzle, 2... Nozzle holder, 6...
... Cylinder, 7... Plunger, 8... Spring, 9... Solenoid, 10... Fuel inlet, 12...
...Pumping chamber, 13...Check valve, 14.
... fuel passage, 15 ... needle valve, 16 ... fuel reservoir,
17...Fuel passage, 19...Spring storage hole, 2
1...Spring, 22...Fuel passage, 23...
injection port.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] (1)ノズルホルダ内部に形成したシリンダ内を摺動自
由に嵌挿された針弁にスプリングを介して閉弁方向のセ
ット荷重を付与するプランジャと、該プランジャと前記
シリンダとの間に画成されるポンピング室と、燃料噴射
ポンプに接続された燃料入口と前記ポンピング室とを前
者から後者への流れを許容するチェックバルブを介して
連通させた燃料通路と、前記ポンピング室と燃料噴射口
とを針弁を介して連通させた燃料通路と、制御信号入力
時電磁吸引力により前記スプリングの付勢力に抗してプ
ランジャを移動させてボンピング室内の燃料を加圧する
ソレノイドと、を備えて構成したことを特徴とする内燃
機関の燃料噴射ノズル。
(1) A plunger that applies a set load in the valve closing direction via a spring to a needle valve that is slidably inserted into a cylinder formed inside a nozzle holder, and a structure defined between the plunger and the cylinder. a pumping chamber connected to a fuel injection pump, a fuel passage connecting a fuel inlet connected to a fuel injection pump and the pumping chamber via a check valve that allows flow from the former to the latter; and a fuel passage connecting the pumping chamber and the fuel injection port. and a solenoid that pressurizes the fuel in the pumping chamber by moving the plunger against the biasing force of the spring using electromagnetic attraction force when a control signal is input. A fuel injection nozzle for an internal combustion engine characterized by:
(2)針弁は閉弁方向に燃料圧力を加えられてなる実用
新案登録請求の範囲第1項記載の内燃機関の燃料噴射ノ
ズル。
(2) A fuel injection nozzle for an internal combustion engine according to claim 1, wherein the needle valve is formed by applying fuel pressure in the valve closing direction.
JP12647581U 1981-08-28 1981-08-28 Internal combustion engine fuel injection nozzle Pending JPS5832166U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12647581U JPS5832166U (en) 1981-08-28 1981-08-28 Internal combustion engine fuel injection nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12647581U JPS5832166U (en) 1981-08-28 1981-08-28 Internal combustion engine fuel injection nozzle

Publications (1)

Publication Number Publication Date
JPS5832166U true JPS5832166U (en) 1983-03-02

Family

ID=29920261

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12647581U Pending JPS5832166U (en) 1981-08-28 1981-08-28 Internal combustion engine fuel injection nozzle

Country Status (1)

Country Link
JP (1) JPS5832166U (en)

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