JPS61118964U - - Google Patents
Info
- Publication number
- JPS61118964U JPS61118964U JP261785U JP261785U JPS61118964U JP S61118964 U JPS61118964 U JP S61118964U JP 261785 U JP261785 U JP 261785U JP 261785 U JP261785 U JP 261785U JP S61118964 U JPS61118964 U JP S61118964U
- Authority
- JP
- Japan
- Prior art keywords
- supply passage
- chamber
- cylinder chamber
- communicating
- hydraulic oil
- 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
- 239000000446 fuel Substances 0.000 claims description 5
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例を示す要部の縦断面
図である。第２図は従来例を示す縦断面図である
。
５……ノズル本体、１８……噴出口、２０……
シリンダ室、２１……フリーピストン、２２……
上室、２３……下室、２４……中央貫通穴、２６
……燃料供給通路、２７……逆止弁、２８……作
動油供給通路。
FIG. 1 is a vertical cross-sectional view of the main parts of an embodiment of the present invention. FIG. 2 is a longitudinal sectional view showing a conventional example. 5... Nozzle body, 18... Spout port, 20...
Cylinder chamber, 21...Free piston, 22...
Upper chamber, 23... Lower chamber, 24... Center through hole, 26
...Fuel supply passage, 27...Check valve, 28...Hydraulic oil supply passage.
Claims (1)
ダ室を設け、該シリンダ室内に昇降自在に配設さ
れてこのシリンダ室内を上室と下室とに分けると
共に中央貫通穴がニードル弁に外嵌するフリーピ
ストンを設け、上記下室に連通する燃料供給通路
を設け、該燃料供給通路に逆止弁を介在させ、上
記上室に連通する作動油供給通路を設け、該作動
油供給通路をポンプに接続したことを特徴とする
燃料噴射弁。 A cylinder chamber communicating with a fuel injection outlet is provided in the nozzle body, and a cylinder chamber is arranged such that it can be raised and lowered within the cylinder chamber, dividing the cylinder chamber into an upper chamber and a lower chamber, and having a central through hole that fits externally into the needle valve. A piston is provided, a fuel supply passage communicating with the lower chamber is provided, a check valve is interposed in the fuel supply passage, a hydraulic oil supply passage is provided communicating with the upper chamber, and the hydraulic oil supply passage is connected to a pump. A fuel injection valve characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP261785U JPS61118964U (en) | 1985-01-11 | 1985-01-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP261785U JPS61118964U (en) | 1985-01-11 | 1985-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61118964U true JPS61118964U (en) | 1986-07-26 |
Family
ID=30476460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP261785U Pending JPS61118964U (en) | 1985-01-11 | 1985-01-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61118964U (en) |
-
1985
- 1985-01-11 JP JP261785U patent/JPS61118964U/ja active Pending
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