JPS6421262U - - Google Patents
Info
- Publication number
- JPS6421262U JPS6421262U JP11460587U JP11460587U JPS6421262U JP S6421262 U JPS6421262 U JP S6421262U JP 11460587 U JP11460587 U JP 11460587U JP 11460587 U JP11460587 U JP 11460587U JP S6421262 U JPS6421262 U JP S6421262U
- Authority
- JP
- Japan
- Prior art keywords
- needle
- electrostrictive
- nozzle
- hydraulic chamber
- injection valve
- 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 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案による電歪式燃料噴射弁を示す
第２図の要部拡大図、第２図は本考案による電歪
式燃料噴射弁を示す断面図である。
１２……センターボデイ、１４……ノズルボデ
イ、１８……噴口、２０……ニードル、２２……
テーパー部、２８……油たまり、３２……小油圧
室、３６……凹陥部、４０……電歪アクチユエー
タ、４８……ピストン、５０……大油圧室。
FIG. 1 is an enlarged view of the main part of FIG. 2 showing an electrostrictive fuel injection valve according to the present invention, and FIG. 2 is a sectional view showing the electrostrictive fuel injection valve according to the present invention. 12... Center body, 14... Nozzle body, 18... Nozzle, 20... Needle, 22...
Tapered portion, 28... Oil pool, 32... Small hydraulic chamber, 36... Recessed portion, 40... Electrostrictive actuator, 48... Piston, 50... Large hydraulic chamber.
Claims (1)
閉することのできるニードルを備え、該ニードル
のテーパー部に燃料の圧力をかけるとともに、該
ニードルの反対側には油圧室を介して電歪アクチ
ユエータの圧力をかけ、該電歪アクチユエータが
縮退したときに該ニードルが噴口を開弁させるよ
うにした電歪式燃料噴射弁において、該ニードル
の油圧室に面する端部を凹陥して形成したことを
特徴とする電歪式燃料噴射弁。 A needle is inserted into a body having a nozzle to open and close the nozzle. Fuel pressure is applied to the tapered part of the needle, and an electrostrictive actuator is connected to the opposite side of the needle via a hydraulic chamber. In an electrostrictive fuel injection valve in which the needle opens the injection port when the electrostrictive actuator retracts when pressure is applied, the end of the needle facing the hydraulic chamber is recessed. Features an electrostrictive fuel injection valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11460587U JPH051651Y2 (en) | 1987-07-28 | 1987-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11460587U JPH051651Y2 (en) | 1987-07-28 | 1987-07-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6421262U true JPS6421262U (en) | 1989-02-02 |
| JPH051651Y2 JPH051651Y2 (en) | 1993-01-18 |
Family
ID=31355501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11460587U Expired - Lifetime JPH051651Y2 (en) | 1987-07-28 | 1987-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH051651Y2 (en) |
-
1987
- 1987-07-28 JP JP11460587U patent/JPH051651Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH051651Y2 (en) | 1993-01-18 |