JPS5984269U - Internal combustion engine fuel injection system - Google Patents
Internal combustion engine fuel injection systemInfo
- Publication number
- JPS5984269U JPS5984269U JP17901382U JP17901382U JPS5984269U JP S5984269 U JPS5984269 U JP S5984269U JP 17901382 U JP17901382 U JP 17901382U JP 17901382 U JP17901382 U JP 17901382U JP S5984269 U JPS5984269 U JP S5984269U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- cylinder
- internal combustion
- combustion engine
- metering
- 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ば分配弁、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、１７は引張りばね、１８は調量プラン
ジャ、２０は調量室、２１は吸戻し溝。FIG. 1 is a system explanatory diagram of this invention, and FIGS. 2A and B 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 increasing mechanism, 11 is a needle valve, 13 is a nozzle, 14 is a pressure increasing cylinder, 15 is a metering cylinder, and 16. 1 is a pressure increasing piston, 17 is a tension spring, 18 is a metering plunger, 20 is a metering chamber, and 21 is a suction return groove.
Claims (1)
、調量シリンダ１５内に昇降自由に嵌挿され、増圧シリ
ンダ１４内に引張ばね１７を介して嵌挿吊持された増圧
ピストン１６に押されて下降し、−調量シリンダ１５内
の燃料をノズル１３に送り込む調量プランジャ１８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の増圧
シリンダ１４に、また別に設けた燃料供給ポンプ５を直
接燃料噴射弁５にそれぞれ接続しそなる内燃機関の燃料
噴射装置。(1) A pressure booster piston that is inserted into the fuel injection valve 5 provided for each cylinder of the engine, is inserted into the metering cylinder 15 to freely rise and fall, and is inserted into the pressure increaser cylinder 14 via a tension spring 17 and is suspended. A pressure increasing mechanism 9 equipped with a metering plunger 18 that is pushed down by the metering cylinder 16 and feeds the fuel in the metering cylinder 15 to the nozzle 13 is attached to each, and a separately provided hydraulic oil supply pump 1 is connected to the distribution valve 4. A fuel injection device for an internal combustion engine, in which a separately provided fuel supply pump 5 is directly connected to a pressure increasing cylinder 14 of each pressure increasing mechanism 9 and a fuel injection valve 5 via a separate fuel supply pump 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17901382U JPS5984269U (en) | 1982-11-29 | 1982-11-29 | Internal combustion engine fuel injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17901382U JPS5984269U (en) | 1982-11-29 | 1982-11-29 | Internal combustion engine fuel injection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5984269U true JPS5984269U (en) | 1984-06-07 |
Family
ID=30388500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17901382U Pending JPS5984269U (en) | 1982-11-29 | 1982-11-29 | Internal combustion engine fuel injection system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5984269U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 JP17901382U patent/JPS5984269U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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