JPH0475155U - - Google Patents
Info
- Publication number
- JPH0475155U JPH0475155U JP11857690U JP11857690U JPH0475155U JP H0475155 U JPH0475155 U JP H0475155U JP 11857690 U JP11857690 U JP 11857690U JP 11857690 U JP11857690 U JP 11857690U JP H0475155 U JPH0475155 U JP H0475155U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection valve
- electromagnetic fuel
- air
- swirling
- 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 25
- 238000002347 injection Methods 0.000 claims description 23
- 239000007924 injection Substances 0.000 claims description 23
- 239000007921 spray Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例による電磁式燃料の
噴射弁の縦断面図、第２図は空気旋回室、アダプ
タ（２方向分配素子）部の拡大図、第３図は空気
旋回素子の外観図、第４図は燃料の微粒化状態図
、第５図は第３図の全体図、第６図はアダプタ形
状図である。
１……燃料噴射弁、１０……スワラー、１３…
…空気旋回素子、１６……空気噴射孔、１７……
アダプタ。
Fig. 1 is a longitudinal sectional view of an electromagnetic fuel injection valve according to an embodiment of the present invention, Fig. 2 is an enlarged view of the air swirling chamber and adapter (two-way distribution element), and Fig. 3 is an enlarged view of the air swirling element. FIG. 4 is a diagram of the atomization state of fuel, FIG. 5 is an overall diagram of FIG. 3, and FIG. 6 is a diagram of the shape of the adapter. 1...Fuel injection valve, 10...Swirler, 13...
...Air swirling element, 16...Air injection hole, 17...
adapter.
Claims (1)
座および燃料噴射オリフイスを有するノズルと、
前記ノズル内においてその軸方向に移動し、前記
弁座および燃料噴射オリフイスを開閉するボール
バルブと、前記ノズリ内に設けられ、前記燃料噴
射オリフイスに流入する加圧燃料に旋回力を付与
する燃料旋回素子とを備えた電磁式燃料噴射弁に
おいて、 前記燃料噴射オリフイスの下流に空気の旋回室
を設け、さらに噴霧で２方向に分ける素子を具備
することを特徴とする電磁式燃料噴射弁。 ２ 請求項１記載の電磁式燃料噴射弁において、
前記旋回室を円錐形状とすることを特徴とする電
磁式燃料噴射弁。 ３ 請求項２記載の円錐面の下流側の円弧に噴霧
を２方向に分割する穴の長径が内接することを特
徴とした電磁式燃料噴射弁。 ４ 請求項１記載の電磁式燃料噴射弁において、
燃料噴射オリフイスの下流にある空気の旋回室の
中心軸に直角の面上に複数個の空気噴射孔を配置
し、且つ旋回室の内壁に対し接線方向に設け或い
は中心軸線方向前後に設けることを特徴とする電
磁燃料噴射弁。 ５ 請求項１記載の電磁式燃料噴射弁において、
該２方向分割素子の端面に分割穴に向けてテーパ
形状とすることを特徴とする電磁式燃料噴射弁。 ６ 請求項１記載の電磁式燃料噴射弁において、
ハウジング、ハウジング下部に設けられた弁座お
よび燃料噴射オリフイスを有するノズルと、燃料
噴射オリフイス下流の空気旋回室を２部材とする
ことを特徴とする電磁式燃料噴射弁。 ７ 請求項６記載の燃料噴射オリフイスの下流に
空気を旋回供給する部材を設け、前記空気旋回流
供給部材の下流には噴射された燃流と、旋回空気
を２方向に分配する２方向分配素子を設け前記２
方向分配素子の内側に形成された分配孔の壁面を
滑らかに連続した曲面で形成したことを特徴とす
る電磁式燃料噴射弁。[Claims for Utility Model Registration] 1. A housing, a valve seat provided at the bottom of the housing, and a nozzle having a fuel injection orifice;
a ball valve that moves in the axial direction within the nozzle to open and close the valve seat and the fuel injection orifice; and a fuel swirl that is provided within the nozzle and applies a swirling force to the pressurized fuel flowing into the fuel injection orifice. What is claimed is: 1. An electromagnetic fuel injection valve comprising: an element that provides an air swirling chamber downstream of the fuel injection orifice, and further includes an element that separates the spray into two directions. 2. The electromagnetic fuel injection valve according to claim 1,
An electromagnetic fuel injection valve characterized in that the swirling chamber has a conical shape. 3. An electromagnetic fuel injection valve characterized in that the long diameter of the hole that divides the spray into two directions is inscribed in the downstream circular arc of the conical surface according to claim 2. 4. The electromagnetic fuel injection valve according to claim 1,
A plurality of air injection holes are arranged on a plane perpendicular to the central axis of the air swirling chamber downstream of the fuel injection orifice, and are provided tangentially to the inner wall of the swirling chamber or in front and behind the central axis direction. Features an electromagnetic fuel injection valve. 5. In the electromagnetic fuel injection valve according to claim 1,
An electromagnetic fuel injection valve characterized in that the end face of the two-way splitting element is tapered toward the splitting hole. 6. The electromagnetic fuel injection valve according to claim 1,
An electromagnetic fuel injection valve characterized by having two members: a housing, a nozzle having a valve seat and a fuel injection orifice provided at the lower part of the housing, and an air swirling chamber downstream of the fuel injection orifice. 7. A member for supplying air in a swirling manner is provided downstream of the fuel injection orifice according to claim 6, and a two-way distribution element is provided downstream of the swirling air flow supplying member for distributing the injected fuel flow and the swirling air in two directions. The above 2
An electromagnetic fuel injection valve characterized in that a wall surface of a distribution hole formed inside a directional distribution element is formed into a smoothly continuous curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11857690U JPH0475155U (en) | 1990-11-14 | 1990-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11857690U JPH0475155U (en) | 1990-11-14 | 1990-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0475155U true JPH0475155U (en) | 1992-06-30 |
Family
ID=31866521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11857690U Pending JPH0475155U (en) | 1990-11-14 | 1990-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0475155U (en) |
-
1990
- 1990-11-14 JP JP11857690U patent/JPH0475155U/ja active Pending
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