JPH0261180U - - Google Patents
Info
- Publication number
- JPH0261180U JPH0261180U JP14096888U JP14096888U JPH0261180U JP H0261180 U JPH0261180 U JP H0261180U JP 14096888 U JP14096888 U JP 14096888U JP 14096888 U JP14096888 U JP 14096888U JP H0261180 U JPH0261180 U JP H0261180U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- plunger
- valve
- nozzle body
- injection means
- 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)
Description
第１図は、本考案の燃料噴射弁の一実施例を示
す構成図で、第２図は従来の超音波燃料噴射弁を
示す図である。
２１……弁体、２２……ノズル本体、２３……
ストツパ、２４……ばね、２７……ケーシング、
２９……コイル、３０……筒状体、３１……霧化
部、３３ａ，３３ｂ……環状圧電素子、４０……
ハウジング。
FIG. 1 is a block diagram showing an embodiment of the fuel injection valve of the present invention, and FIG. 2 is a diagram showing a conventional ultrasonic fuel injection valve. 21... Valve body, 22... Nozzle body, 23...
Stopper, 24... Spring, 27... Casing,
29... Coil, 30... Cylindrical body, 31... Atomizing section, 33a, 33b... Annular piezoelectric element, 40...
housing.
Claims (1)
孔したノズル本体と、該ノズル本体内に軸上の規
定された微小距離を移動可能に緩挿され端部にプ
ランジヤを配設し前記ノズル本体と協働する弁体
と、該弁体をノズル本体に押圧し常時閉弁する圧
縮ばねと、前記プランジヤ外周部に配設され、通
電により圧縮ばねのばね力に抗してプランジヤを
電磁吸引し開弁するコイルとを、ケーシング内に
一体収納した燃料噴射手段と、筒状体であつて、
上端内部において前記燃料噴射手段上部を支持し
て該燃料噴射手段を囲繞し下端部を固設するハウ
ジングと、該ハウジングと燃料噴射手段との中間
に位置する筒状体であつて、該筒状体の下端部に
噴出口に近接して対向する霧化部と、該霧化部を
超音波駆動する環状の圧電素子を該筒状体に配設
し上端外周をハウジング内壁に固設した霧化手段
とから構成したことを特徴とする燃料噴射弁。 The nozzle body has a nozzle body having a drilled spout that communicates with a fuel supply port and spouts fuel, and a plunger that is loosely inserted into the nozzle body so as to be movable over a predetermined minute distance on an axis, and a plunger is disposed at the end of the nozzle body. a compression spring that presses the valve body against the nozzle body and normally closes the valve; and a compression spring that is disposed on the outer circumference of the plunger and electromagnetically attracts the plunger against the spring force of the compression spring when energized. A fuel injection means that integrally houses a coil for opening a valve in a casing, and a cylindrical body,
a housing that supports the upper part of the fuel injection means inside the upper end, surrounds the fuel injection means, and has a fixed lower end; a cylindrical body located between the housing and the fuel injection means; A mist comprising: an atomizing section facing close to the jet nozzle at the lower end of the body; an annular piezoelectric element for ultrasonically driving the atomizing section; disposed in the cylindrical body; the outer periphery of the upper end being fixed to the inner wall of the housing; 1. A fuel injection valve comprising:
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14096888U JPH0261180U (en) | 1988-10-28 | 1988-10-28 | |
| US07/367,840 US4974780A (en) | 1988-06-22 | 1989-06-19 | Ultrasonic fuel injection nozzle |
| EP89111324A EP0347891B1 (en) | 1988-06-22 | 1989-06-21 | An ultrasonic fuel injection nozzle |
| CA000603474A CA1333866C (en) | 1988-06-22 | 1989-06-21 | Ultrasonic fuel injection nozzle |
| DE68924202T DE68924202T2 (en) | 1988-06-22 | 1989-06-21 | Supersonic fuel injector. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14096888U JPH0261180U (en) | 1988-10-28 | 1988-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0261180U true JPH0261180U (en) | 1990-05-07 |
Family
ID=31405615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14096888U Pending JPH0261180U (en) | 1988-06-22 | 1988-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0261180U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58150065A (en) * | 1982-03-01 | 1983-09-06 | Nippon Soken Inc | Atomizer device of injection fuel in internal-combustion engine |
| JPS5911747A (en) * | 1982-07-09 | 1984-01-21 | Hitachi Ltd | Sealed motor-driven compressor |
-
1988
- 1988-10-28 JP JP14096888U patent/JPH0261180U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58150065A (en) * | 1982-03-01 | 1983-09-06 | Nippon Soken Inc | Atomizer device of injection fuel in internal-combustion engine |
| JPS5911747A (en) * | 1982-07-09 | 1984-01-21 | Hitachi Ltd | Sealed motor-driven compressor |
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