JPS616672U - Diesel engine fuel injection nozzle - Google Patents
Diesel engine fuel injection nozzleInfo
- Publication number
- JPS616672U JPS616672U JP9026784U JP9026784U JPS616672U JP S616672 U JPS616672 U JP S616672U JP 9026784 U JP9026784 U JP 9026784U JP 9026784 U JP9026784 U JP 9026784U JP S616672 U JPS616672 U JP S616672U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- diesel engine
- fuel injection
- injection nozzle
- 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図は本考案に係る燃料噴射ノズルの一実施例を示す
縦断面図、第２図から第４図までは二一ドル弁体に冷却
通路を形成する加工工程をそれそれ示す縦断面図、第５
図は本考案の二一ドル弁体の他め実施例を示す縦断面図
、第６図は従来の燃料噴射ノズルの縦断面図である。
、図中、１はノズル本体、２は二一ドル弁体、３は燃料
供給通路、５は噴孔、６は燃焼室、７は着座部、９は冷
却通路、１０は横孔、１１は縦孔である。FIG. 1 is a longitudinal sectional view showing one embodiment of a fuel injection nozzle according to the present invention, and FIGS. 2 to 4 are longitudinal sectional views showing the processing steps for forming a cooling passage in a twenty-one dollar valve body. , 5th
The figure is a longitudinal sectional view showing an embodiment of the 21 dollar valve body of the present invention, and FIG. 6 is a longitudinal sectional view of a conventional fuel injection nozzle. In the figure, 1 is the nozzle body, 2 is the 21-dollar valve body, 3 is the fuel supply passage, 5 is the injection hole, 6 is the combustion chamber, 7 is the seating part, 9 is the cooling passage, 10 is the side hole, and 11 is the It is a vertical hole.
Claims (1)
れを開閉すべく上記通路側から出没自在に設けられた二
一ドル弁体と、二一ドル弁体の着座部上方に二一ドル弁
体を径方向に貫通する横孔と該横孔に連通し二一ドル弁
体の軸方向に二一ドル弁什の先端側に貫通することなく
形成された縦孔とからなり、上記燃料供給通路からの燃
料をニード，ル弁体の先端側に導入して冷却する冷却通
路とを備えたことを特徴とするディーゼル機関の燃料噴
射ノズル。A 21-dollar valve body is provided in the nozzle hole opened from the four-way fuel passage facing the combustion chamber so that it can freely protrude and retract from the passage side to open and close the nozzle hole, and a Consisting of a horizontal hole that penetrates the one-dollar valve body in the radial direction, and a vertical hole that communicates with the horizontal hole and is formed in the axial direction of the twenty-one dollar valve body without penetrating the tip side of the twenty-one dollar valve body, A fuel injection nozzle for a diesel engine, characterized in that the fuel injection nozzle for a diesel engine is equipped with a cooling passage that introduces fuel from the fuel supply passage to the tip side of the needle valve body and cools it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9026784U JPS616672U (en) | 1984-06-19 | 1984-06-19 | Diesel engine fuel injection nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9026784U JPS616672U (en) | 1984-06-19 | 1984-06-19 | Diesel engine fuel injection nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS616672U true JPS616672U (en) | 1986-01-16 |
Family
ID=30645104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9026784U Pending JPS616672U (en) | 1984-06-19 | 1984-06-19 | Diesel engine fuel injection nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS616672U (en) |
-
1984
- 1984-06-19 JP JP9026784U patent/JPS616672U/en active Pending
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