JPS5820375U - Poppet type fuel injection valve - Google Patents
Poppet type fuel injection valveInfo
- Publication number
- JPS5820375U JPS5820375U JP11519981U JP11519981U JPS5820375U JP S5820375 U JPS5820375 U JP S5820375U JP 11519981 U JP11519981 U JP 11519981U JP 11519981 U JP11519981 U JP 11519981U JP S5820375 U JPS5820375 U JP S5820375U
- Authority
- JP
- Japan
- Prior art keywords
- injection valve
- type fuel
- fuel injection
- poppet type
- throttle
- 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図は従来のポペット型燃料噴射弁を示す一部破断正
面図、第２図は同噴射弁の要部拡大縦断面図、第３図は
本考案実施例における噴射弁の要部拡大縦断面図、第４
図は他の実施例における噴射弁の要部拡大縦断面図、第
５図、第６図は前記従来噴射弁の噴射特性図、第７図、
第８図は本考案実施例の噴射弁の噴射特性図である。
１・・・ノズル本体、２・・・弁ヘッド、３・・・ノズ
ルキャップ、４．４０・・・針弁部材、５１・・・第１
のスロットル部、５２・・・第２のスロットル部、６・
・・シート＆ ？、 ７１． ７２・・・スロットル
部とシール部との間隙。Fig. 1 is a partially cutaway front view showing a conventional poppet type fuel injection valve, Fig. 2 is an enlarged vertical sectional view of the main part of the same injection valve, and Fig. 3 is an enlarged longitudinal sectional view of the main part of the injection valve according to the embodiment of the present invention. Front view, 4th
The figure is an enlarged vertical sectional view of the main part of an injection valve in another embodiment, FIGS. 5 and 6 are injection characteristic diagrams of the conventional injection valve, and FIG.
FIG. 8 is an injection characteristic diagram of the injection valve according to the embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Nozzle body, 2... Valve head, 3... Nozzle cap, 4.40... Needle valve member, 51... First
Throttle section, 52...Second throttle section, 6.
・・Sheet & ? , 71. 72...Gap between the throttle part and the seal part.
Claims (1)
部との間隙を極少と七た第１のスロットル噴射形成部と
その後方にあってシート部との間隙を通常の大きさとし
た第２のスロットル噴射形成部とを設けてなるポペット
型燃料噴射弁。In a poppet type fuel injection valve, there is a first throttle injection forming part at the tip of the valve member having an extremely small gap with the seat part, and a second throttle injection forming part located behind the first throttle injection forming part having a normal size gap with the seat part. A poppet type fuel injection valve comprising an injection forming section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11519981U JPS5820375U (en) | 1981-07-31 | 1981-07-31 | Poppet type fuel injection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11519981U JPS5820375U (en) | 1981-07-31 | 1981-07-31 | Poppet type fuel injection valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5820375U true JPS5820375U (en) | 1983-02-08 |
Family
ID=29909467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11519981U Pending JPS5820375U (en) | 1981-07-31 | 1981-07-31 | Poppet type fuel injection valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5820375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0261363A (en) * | 1988-06-10 | 1990-03-01 | Orbital Engine Co Pty Ltd | Fuel injection nozzle |
-
1981
- 1981-07-31 JP JP11519981U patent/JPS5820375U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0261363A (en) * | 1988-06-10 | 1990-03-01 | Orbital Engine Co Pty Ltd | Fuel injection nozzle |
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