JPS5984270U - Internal combustion engine fuel injection system - Google Patents
Internal combustion engine fuel injection systemInfo
- Publication number
- JPS5984270U JPS5984270U JP17901482U JP17901482U JPS5984270U JP S5984270 U JPS5984270 U JP S5984270U JP 17901482 U JP17901482 U JP 17901482U JP 17901482 U JP17901482 U JP 17901482U JP S5984270 U JPS5984270 U JP S5984270U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- internal combustion
- combustion engine
- injection system
- engine fuel
- 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
- 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図はこの考案の系統説明図、第２図Ａ、 Ｂは燃料
噴射弁のそれぞれ定量時、噴射時における作動説明図で
ある。
１は作動油供給ポンプ、４は分配弁、５は燃料噴射弁、
６は燃料供給ポンプ、８，１９は逆止弁、９は増圧機構
、１１はニードル弁、１３はノズル、・ １４は増圧シ
リンダ、１５は調量シリンダ、１６は増圧ピストン、１
７は調量プランジャ、１８はリターンスプリング、２０
は調量室、２１は吸戻し溝。FIG. 1 is an explanatory diagram of the system of this invention, and FIGS. 2A and 2B are explanatory diagrams of the operation of the fuel injection valve during metering and injection, respectively. 1 is a hydraulic oil supply pump, 4 is a distribution valve, 5 is a fuel injection valve,
6 is a fuel supply pump, 8 and 19 are check valves, 9 is a pressure increase mechanism, 11 is a needle valve, 13 is a nozzle, 14 is a pressure increase cylinder, 15 is a metering cylinder, 16 is a pressure increase piston, 1
7 is a metering plunger, 18 is a return spring, 20
is the metering chamber, and 21 is the suction and return groove.
Claims (1)
動油４こより圧下される増圧ピストン１６およびこの増
圧ピストンによりリターンスプリング１８を介して調量
シリンダ１５内を下降し調量シリンダ内の燃料をノズル
１３に送り込む調量プランジャ１７を備えた増圧機構９
を各付設するとともに、別に設けた作動油供給ポンプ１
を分配弁４・を介して各増圧機構９・・・に、また別に
設けた燃料供給ポンプ６を直接、燃料噴射弁５・・・に
それぞれ接続してなる内燃機関の燃料噴射装置。The pressure increasing piston 16 is compressed by the hydraulic oil 4 into the fuel injection valve 5 provided for each cylinder of the engine, and this pressure increasing piston descends inside the metering cylinder 15 via the return spring 18 and is then pumped into the metering cylinder. Pressure increase mechanism 9 equipped with a metering plunger 17 that sends fuel inside to the nozzle 13
and a separate hydraulic oil supply pump 1.
A fuel injection device for an internal combustion engine, in which a separately provided fuel supply pump 6 is connected directly to each fuel injection valve 5 through a distribution valve 4 to each pressure increasing mechanism 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17901482U JPS5984270U (en) | 1982-11-29 | 1982-11-29 | Internal combustion engine fuel injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17901482U JPS5984270U (en) | 1982-11-29 | 1982-11-29 | Internal combustion engine fuel injection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5984270U true JPS5984270U (en) | 1984-06-07 |
Family
ID=30388502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17901482U Pending JPS5984270U (en) | 1982-11-29 | 1982-11-29 | Internal combustion engine fuel injection system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5984270U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5629270B2 (en) * | 1973-04-13 | 1981-07-07 | ||
| JPS5698562A (en) * | 1980-01-09 | 1981-08-08 | Nippon Denso Co Ltd | Fuel injecting device for use in internal combustion engine |
| JPS57188762A (en) * | 1981-05-15 | 1982-11-19 | Komatsu Ltd | Fuel injector of diesel engine |
-
1982
- 1982-11-29 JP JP17901482U patent/JPS5984270U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5629270B2 (en) * | 1973-04-13 | 1981-07-07 | ||
| JPS5698562A (en) * | 1980-01-09 | 1981-08-08 | Nippon Denso Co Ltd | Fuel injecting device for use in internal combustion engine |
| JPS57188762A (en) * | 1981-05-15 | 1982-11-19 | Komatsu Ltd | Fuel injector of diesel engine |
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