JPS5984267U - Internal combustion engine fuel injection system - Google Patents
Internal combustion engine fuel injection systemInfo
- Publication number
- JPS5984267U JPS5984267U JP17901182U JP17901182U JPS5984267U JP S5984267 U JPS5984267 U JP S5984267U JP 17901182 U JP17901182 U JP 17901182U JP 17901182 U JP17901182 U JP 17901182U JP S5984267 U JPS5984267 U JP S5984267U
- Authority
- JP
- Japan
- Prior art keywords
- metering
- internal combustion
- combustion engine
- receiving surface
- fuel injection
- 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
Links
Landscapes
- 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
図面は本考案の実施例の要部を断面して示す構成説明図
である。
１はユニットインジェクタ、２はノズル、３はニードル
、３ａはばね、４は高圧室、５は調量室、８は調量ピス
トン、１３は調量ばね。The drawings are configuration explanatory diagrams showing a cross-section of essential parts of an embodiment of the present invention. 1 is a unit injector, 2 is a nozzle, 3 is a needle, 3a is a spring, 4 is a high pressure chamber, 5 is a metering chamber, 8 is a metering piston, and 13 is a metering spring.
Claims (1)
ドル３を設け、上記受圧面に高圧の燃料を作用すること
によりニードル３をばね３ａに抗して開動作し、上記高
圧の燃料をノズル２から噴射するようにしたユニットイ
ンジェクタ１において、上記ニードル３の受圧面に対向
する高圧室４に連通する調量室５に、調量ピストン８を
摺動自在に、かつ一端面を調量室５内に対向させ、他端
をドレン回路に対向させて嵌合し、この調量ピストン８
の他端に、エンジン回転に同調して回転するカム１１に
て移動することにより調量ピストン８を押動するブツシ
ュロッド９を対向させると共に両対向面間に調量用ばね
１３を介装し、さらに上記プ ゛ツシュロツド９に
、ブツシュロッド９が戻っている状態で調量室５と燃料
流入ボートとを連通し、ブツシュロッド、９が力λ１，
１にて押し込まれた状態で上記連通が閉じるようにした
開閉弁機構を設けたことを特徴とする内燃機関の燃料噴
射装置。2. The opening of the nozzle 2 has a pressure-receiving surface for opening.
In the unit injector 1, a needle 3 is provided, and the needle 3 is opened against a spring 3a by applying high pressure fuel to the pressure receiving surface, and the high pressure fuel is injected from the nozzle 2. A metering piston 8 is slidably placed in a metering chamber 5 communicating with the high pressure chamber 4 facing the pressure receiving surface of 3, with one end facing the metering chamber 5 and the other end facing the drain circuit. This metering piston 8
At the other end, a bushing rod 9 that pushes the metering piston 8 by moving with a cam 11 that rotates in synchronization with the engine rotation is opposed, and a metering spring 13 is interposed between the two opposing surfaces. Further, with the bushing rod 9 returned to the bushing rod 9, the metering chamber 5 and the fuel inflow boat are communicated, and the bushing rod 9 causes the force λ1,
1. A fuel injection device for an internal combustion engine, comprising an on-off valve mechanism in which the communication is closed when the communication valve is pushed in at step 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17901182U JPS5984267U (en) | 1982-11-29 | 1982-11-29 | Internal combustion engine fuel injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17901182U JPS5984267U (en) | 1982-11-29 | 1982-11-29 | Internal combustion engine fuel injection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5984267U true JPS5984267U (en) | 1984-06-07 |
| JPS622294Y2 JPS622294Y2 (en) | 1987-01-20 |
Family
ID=30388497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17901182U Granted JPS5984267U (en) | 1982-11-29 | 1982-11-29 | Internal combustion engine fuel injection system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5984267U (en) |
-
1982
- 1982-11-29 JP JP17901182U patent/JPS5984267U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS622294Y2 (en) | 1987-01-20 |
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