JPS62143067U - - Google Patents
Info
- Publication number
- JPS62143067U JPS62143067U JP3037986U JP3037986U JPS62143067U JP S62143067 U JPS62143067 U JP S62143067U JP 3037986 U JP3037986 U JP 3037986U JP 3037986 U JP3037986 U JP 3037986U JP S62143067 U JPS62143067 U JP S62143067U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- nozzle
- fuel injection
- return chamber
- leakage pipe
- 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 16
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例に係る燃料噴射装置
を備えるデイーゼルエンジンの要部平面図、第２
図はこのデイーゼルエンジンに設けられている燃
料噴射ポンプの側面図、第３図はこの燃料噴射ポ
ンプと接続されている燃料噴射ノズルの拡大縦断
面図である。
なお図面に用いた符号において、１１……燃料
噴射ノズル、１２……燃料噴射ポンプ、２０……
ノズルホルダ、２２……ノズル本体、２３……ノ
ズルニードル、２４……噴口、２６……圧縮コイ
ルばね、３０……リーケージパイプ、３１……リ
ターンチヤンバ、３２……リターンパイプ、であ
る。
FIG. 1 is a plan view of main parts of a diesel engine equipped with a fuel injection device according to an embodiment of the present invention, and FIG.
The figure is a side view of a fuel injection pump provided in this diesel engine, and FIG. 3 is an enlarged vertical sectional view of a fuel injection nozzle connected to this fuel injection pump. In addition, in the symbols used in the drawings, 11... fuel injection nozzle, 12... fuel injection pump, 20...
Nozzle holder, 22... nozzle body, 23... nozzle needle, 24... spout, 26... compression coil spring, 30... leakage pipe, 31... return chamber, 32... return pipe.
Claims (1)
ズルに供給し、この燃料噴射ノズルの噴口から燃
料を噴射するとともに、前記燃料噴射ノズルのノ
ズルホルダ内に漏れた燃料をリーケージパイプを
通して供給側に戻すようにした装置において、前
記リーケージパイプにリターンチヤンバを接続す
るとともに、このリターンチヤンバ内に燃料圧を
蓄圧し、前記噴口を開閉するノズルニードルが閉
じるように前記リターンチヤンバ内の燃料圧を前
記ノズルホルダに加えるようにしたことを特徴と
する燃料噴射装置。 The fuel pressurized by the fuel injection pump is supplied to the fuel injection nozzle, and the fuel is injected from the nozzle of the fuel injection nozzle, and the fuel leaked into the nozzle holder of the fuel injection nozzle is returned to the supply side through the leakage pipe. In the apparatus, a return chamber is connected to the leakage pipe, fuel pressure is accumulated in the return chamber, and the fuel pressure in the return chamber is adjusted so that a nozzle needle that opens and closes the injection port is closed. A fuel injection device characterized in that it is attached to the nozzle holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3037986U JPS62143067U (en) | 1986-03-03 | 1986-03-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3037986U JPS62143067U (en) | 1986-03-03 | 1986-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62143067U true JPS62143067U (en) | 1987-09-09 |
Family
ID=30835128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3037986U Pending JPS62143067U (en) | 1986-03-03 | 1986-03-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62143067U (en) |
-
1986
- 1986-03-03 JP JP3037986U patent/JPS62143067U/ja active Pending
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