JPS6324362U - - Google Patents
Info
- Publication number
- JPS6324362U JPS6324362U JP11921286U JP11921286U JPS6324362U JP S6324362 U JPS6324362 U JP S6324362U JP 11921286 U JP11921286 U JP 11921286U JP 11921286 U JP11921286 U JP 11921286U JP S6324362 U JPS6324362 U JP S6324362U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- needle
- valve
- receiving surface
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例を示す燃料噴射弁の
断面図である。
２１…圧電アクチユエータ、３８…制御ロツド
、４１…絞り通路、６０…ニードル。
FIG. 1 is a sectional view of a fuel injection valve showing an embodiment of the present invention. 21... Piezoelectric actuator, 38... Control rod, 41... Throttle passage, 60... Needle.
Claims (1)
開弁方向の燃料圧を受ける受圧面を有する燃料噴
射弁において、 絞り通路を介して供給された燃料を加・減圧す
る圧電アクチユエータと、 上記ニードルと直列に配置された制御ロツドと
、 を具備すると共に、 上記制御ロツドに、ニードル閉弁方向の燃料圧
を受ける第１受圧面とニードル開弁方向の上記圧
電アクチユエータによる燃料圧を受ける第２受圧
面とを、開弁状態において、上記第１受圧面、第
２受圧面及びニードルに各々加わる燃料圧により
開弁を維持する面積として形成した ことを特徴とする燃料噴射弁。[Scope of Claim for Utility Model Registration] In a fuel injection valve that has a pressure-receiving surface where the needle is spring-biased in the valve-closing direction and receives fuel pressure in the needle-opening direction, the fuel supplied through the throttle passage is pressurized or depressurized. a piezoelectric actuator disposed in series with the needle, the control rod having a first pressure receiving surface receiving fuel pressure in the needle valve closing direction and the piezoelectric actuator in the needle valve opening direction. A second pressure-receiving surface that receives fuel pressure is formed as an area that maintains the valve open by fuel pressure applied to the first pressure-receiving surface, second pressure-receiving surface, and needle, respectively, in the valve open state. valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11921286U JPH0435574Y2 (en) | 1986-08-01 | 1986-08-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11921286U JPH0435574Y2 (en) | 1986-08-01 | 1986-08-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6324362U true JPS6324362U (en) | 1988-02-17 |
| JPH0435574Y2 JPH0435574Y2 (en) | 1992-08-24 |
Family
ID=31006367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11921286U Expired JPH0435574Y2 (en) | 1986-08-01 | 1986-08-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0435574Y2 (en) |
-
1986
- 1986-08-01 JP JP11921286U patent/JPH0435574Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0435574Y2 (en) | 1992-08-24 |