JPS6290976U - - Google Patents
Info
- Publication number
- JPS6290976U JPS6290976U JP18217485U JP18217485U JPS6290976U JP S6290976 U JPS6290976 U JP S6290976U JP 18217485 U JP18217485 U JP 18217485U JP 18217485 U JP18217485 U JP 18217485U JP S6290976 U JPS6290976 U JP S6290976U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle body
- needle valve
- fuel oil
- fuel chamber
- 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
- 239000000446 fuel Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 2
- 239000000295 fuel oil Substances 0.000 claims 2
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の噴射ノズルの好適一実施例を
示す概略断面図、第２図は本考案の噴射ノズルの
他の実施例を示す概略断面図、第３図及び第４図
は従来の噴射ノズルの概略断面図である。
図中、１はノズルボデイ、２は針弁、３は燃料
室、６は燃料供給通路、１１はステム部、１３は
環流冷却通路である。
Fig. 1 is a schematic sectional view showing a preferred embodiment of the injection nozzle of the present invention, Fig. 2 is a schematic sectional view showing another embodiment of the injection nozzle of the invention, and Figs. FIG. 3 is a schematic cross-sectional view of an injection nozzle. In the figure, 1 is a nozzle body, 2 is a needle valve, 3 is a fuel chamber, 6 is a fuel supply passage, 11 is a stem portion, and 13 is a circulation cooling passage.
Claims (1)
る燃料油圧に応じて開弁方向に作動される針弁と
、該針弁の先端側のステム部を包囲して上記燃料
室からのリーク燃料油をノズルボデイ外部にリー
クさせる環流冷却通路とを備えたことを特徴とす
る噴射ノズル。 A needle valve is operated in the valve opening direction in response to fuel oil pressure supplied to a fuel chamber formed in the nozzle body, and a stem portion on the tip side of the needle valve is surrounded to prevent leakage fuel oil from the fuel chamber. An injection nozzle characterized by being equipped with a circulation cooling passageway for causing leakage to the outside of the nozzle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18217485U JPS6290976U (en) | 1985-11-28 | 1985-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18217485U JPS6290976U (en) | 1985-11-28 | 1985-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6290976U true JPS6290976U (en) | 1987-06-10 |
Family
ID=31127725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18217485U Pending JPS6290976U (en) | 1985-11-28 | 1985-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6290976U (en) |
-
1985
- 1985-11-28 JP JP18217485U patent/JPS6290976U/ja active Pending