JPH0335258U - - Google Patents
Info
- Publication number
- JPH0335258U JPH0335258U JP1989095616U JP9561689U JPH0335258U JP H0335258 U JPH0335258 U JP H0335258U JP 1989095616 U JP1989095616 U JP 1989095616U JP 9561689 U JP9561689 U JP 9561689U JP H0335258 U JPH0335258 U JP H0335258U
- Authority
- JP
- Japan
- Prior art keywords
- injector body
- fuel injection
- plunger
- piezoelectric element
- axial side
- 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 8
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図ないし第４図は本考案の実施例に係り、
第１図はフユーエルインジエクタの全体構成を示
す縦断面図、第２図は第１図の−線矢視方向
から見た断面図、第３図は第１図のフユーエルイ
ンジエクタの積層圧電素子を示す要部断面図、第
４図は本考案の他の実施例を示す要部断面図、第
５図は従来技術に係るフユーエルインジエクタの
縦断面図である。
２１……インジエクタ本体、２５……噴射ノズ
ル、２５Ｃ……噴射口、２７……プランジヤ、３
０……スプリング、３１……積層圧電素子。
1 to 4 relate to embodiments of the present invention,
Fig. 1 is a longitudinal cross-sectional view showing the overall structure of the fuel injector, Fig. 2 is a cross-sectional view seen from the - line arrow direction in Fig. 1, and Fig. 3 is a stacked layer of the fuel injector shown in Fig. 1. FIG. 4 is a cross-sectional view of a main part showing a piezoelectric element, FIG. 4 is a cross-sectional view of a main part showing another embodiment of the present invention, and FIG. 5 is a longitudinal cross-sectional view of a fuel injector according to the prior art. 21... Injector body, 25... Injection nozzle, 25C... Injection port, 27... Plunger, 3
0... Spring, 31... Laminated piezoelectric element.
Claims (1)
エクタ本体と、該インジエクタ本体の軸方向一側
に位置して設けられ、燃料の噴射口を有する噴射
ノズルと、前記インジエクタ本体内に軸方向へ可
動に設けられ、前記噴射口からの燃料の噴射を制
御するプランジヤと、該プランジヤを燃料の噴射
停止方向へ付勢すべく前記インジエクタ本体内に
設けられたスプリングと、前記インジエクタ本体
の軸方向他側に設けられ、通電されたときに該ス
プリングの付勢力に抗して前記プランジヤを燃料
の噴射方向に変位させる圧電素子とから構成して
なるフユーエルインジエクタ。 An injector body formed in a cylindrical shape and having a fuel passage inside; an injection nozzle located on one axial side of the injector body and having a fuel injection port; and an axially movable injector body within the injector body. a plunger provided in the injector body to control fuel injection from the injection port; a spring provided in the injector body to bias the plunger in a direction to stop fuel injection; and the other axial side of the injector body. and a piezoelectric element disposed in a piezoelectric element that displaces the plunger in a fuel injection direction against the biasing force of the spring when energized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989095616U JPH0335258U (en) | 1989-08-15 | 1989-08-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989095616U JPH0335258U (en) | 1989-08-15 | 1989-08-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0335258U true JPH0335258U (en) | 1991-04-05 |
Family
ID=31644873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989095616U Pending JPH0335258U (en) | 1989-08-15 | 1989-08-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0335258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002536591A (en) * | 1999-02-10 | 2002-10-29 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Injector with piezoelectric multilayer actuator for injection system |
-
1989
- 1989-08-15 JP JP1989095616U patent/JPH0335258U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002536591A (en) * | 1999-02-10 | 2002-10-29 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Injector with piezoelectric multilayer actuator for injection system |