JPH0342068U - - Google Patents
Info
- Publication number
- JPH0342068U JPH0342068U JP10140889U JP10140889U JPH0342068U JP H0342068 U JPH0342068 U JP H0342068U JP 10140889 U JP10140889 U JP 10140889U JP 10140889 U JP10140889 U JP 10140889U JP H0342068 U JPH0342068 U JP H0342068U
- Authority
- JP
- Japan
- Prior art keywords
- air
- cover
- injection nozzle
- assist
- chamber
- 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
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000000446 fuel Substances 0.000 claims 4
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図および第２図は本考案の第１の実施例を
示し、第１図はインジエクタの要部縦断面図、第
２図は第１図中の矢示−方向拡大断面図、第
３図は第２の実施例を示すインジエクタの要部半
断面図である。
１……インジエクタ本体、２……噴射ノズル、
２Ｃ……噴射口、３……ニードル弁、４……カバ
ー、５……エア室、６，２１……筒体、７……キ
ヤツプ部材、７Ｄ……噴出口、８……スワールチ
ヤンバ、９，２２……導入口、１０……エア導管
、１１，２３……逆止弁。
1 and 2 show a first embodiment of the present invention, in which FIG. 1 is a vertical sectional view of the main part of the injector, FIG. 2 is an enlarged sectional view in the direction of the arrow in FIG. The figure is a half-sectional view of a main part of an injector showing a second embodiment. 1... Injector body, 2... Injection nozzle,
2C... Injection port, 3... Needle valve, 4... Cover, 5... Air chamber, 6, 21... Cylindrical body, 7... Cap member, 7D... Spout port, 8... Swirl chamber, 9, 22...Inlet, 10...Air conduit, 11, 23...Check valve.
Claims (1)
端側に設けられ、燃料の噴射口を有する噴射ノズ
ルと、該噴射ノズルの周囲を取囲むように有底筒
状に形成され、該噴射ノズルとの間にエア室を画
成したカバーと、該カバーの筒部に設けられ、外
部圧気源からの過給アシストエアをエア導管を介
して前記エア室内に導入する導入口と、前記カバ
ーの底部に形成され、前記噴射ノズルの噴射口か
ら噴射される燃料を前記エア室内の過給アシスト
エアと共に外部に噴出させる噴出口とからなるア
シストエア式フユーエルインジエクタにおいて、
前記カバーの筒部には前記導入口を開、閉する逆
止弁を設け、該逆止弁は前記エア導管からエア室
内に向けて過給アシストエアが流通するのを許し
、逆向きの流れを阻止する構成としたことを特徴
とするアシストエア式フユーエルインジエクタ。 An injector body, an injection nozzle provided on the tip side of the injector body and having a fuel injection port, and an air gap between the injector body and the injection nozzle, which is formed into a bottomed cylindrical shape surrounding the injection nozzle. a cover defining a chamber; an inlet provided in a cylindrical portion of the cover for introducing supercharging assist air from an external pressure air source into the air chamber via an air conduit; and an inlet formed at the bottom of the cover; An assist air type fuel injector comprising an injection port for ejecting fuel injected from the injection port of the injection nozzle to the outside together with supercharged assist air in the air chamber,
The cylindrical portion of the cover is provided with a check valve that opens and closes the introduction port, and the check valve allows supercharging assist air to flow from the air conduit into the air chamber, and prevents flow in the opposite direction. An assist air type fuel injector characterized by having a configuration that prevents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10140889U JPH0342068U (en) | 1989-08-30 | 1989-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10140889U JPH0342068U (en) | 1989-08-30 | 1989-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0342068U true JPH0342068U (en) | 1991-04-22 |
Family
ID=31650362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10140889U Pending JPH0342068U (en) | 1989-08-30 | 1989-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0342068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06189817A (en) * | 1993-09-10 | 1994-07-12 | Morito Kk | Handgrip piece forming tape |
-
1989
- 1989-08-30 JP JP10140889U patent/JPH0342068U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06189817A (en) * | 1993-09-10 | 1994-07-12 | Morito Kk | Handgrip piece forming tape |
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