JPS61126081U - - Google Patents
Info
- Publication number
- JPS61126081U JPS61126081U JP1084585U JP1084585U JPS61126081U JP S61126081 U JPS61126081 U JP S61126081U JP 1084585 U JP1084585 U JP 1084585U JP 1084585 U JP1084585 U JP 1084585U JP S61126081 U JPS61126081 U JP S61126081U
- Authority
- JP
- Japan
- Prior art keywords
- lift
- needle valve
- opening area
- nozzle
- prelift
- 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 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の実施例に係る燃料噴射ノズル
の縦断面図、第２図はホールノズルにおけるノズ
ル噴口とエンジンの全負荷性能との相関図、第３
図は第１図に示した燃料噴射ノズルのノズルリフ
トと噴口面積の相関図である。
１……ノズルホルダー、２……ニードル弁、３
……噴口、４……弁体部、１０，１２……バネ受
け、１１……ノズルスプリング、１３……センタ
ースピンドル、１４……ピストン部。
Fig. 1 is a longitudinal cross-sectional view of a fuel injection nozzle according to an embodiment of the present invention, Fig. 2 is a correlation diagram between the nozzle nozzle in a Hall nozzle and full-load performance of the engine, and Fig. 3
The figure is a correlation diagram between the nozzle lift and the nozzle area of the fuel injection nozzle shown in FIG. 1. 1... Nozzle holder, 2... Needle valve, 3
. . . Spout port, 4 . . . Valve body portion, 10, 12 . . . Spring receiver, 11 .
Claims (1)
ル弁とで決定される有効開口面積が、該ニードル
弁の最大リフト量の約１／４リフト以上で最大と
なる構成とし、かつニードル弁を所定のプリリフ
ト量でリフト圧力を段階的に増大させるプリリフ
ト機構を設け、該プリリフト量を、上記開口面積
の全閉状態と最大開口状態の略中間に設定したこ
とを特徴とするデイーゼルエンジンの燃料噴射ノ
ズル。 In the hole nozzle, the effective opening area determined by the nozzle body and the needle valve is maximized at a lift of about 1/4 or more of the maximum lift of the needle valve, and the needle valve is set to a lift pressure at a predetermined pre-lift. A fuel injection nozzle for a diesel engine, characterized in that a prelift mechanism is provided to increase the amount of the opening area in stages, and the prelift amount is set approximately halfway between the fully closed state and the maximum open state of the opening area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1084585U JPS61126081U (en) | 1985-01-28 | 1985-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1084585U JPS61126081U (en) | 1985-01-28 | 1985-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61126081U true JPS61126081U (en) | 1986-08-07 |
Family
ID=30492402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1084585U Pending JPS61126081U (en) | 1985-01-28 | 1985-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61126081U (en) |
-
1985
- 1985-01-28 JP JP1084585U patent/JPS61126081U/ja active Pending