JPH0424657U - - Google Patents
Info
- Publication number
- JPH0424657U JPH0424657U JP6648790U JP6648790U JPH0424657U JP H0424657 U JPH0424657 U JP H0424657U JP 6648790 U JP6648790 U JP 6648790U JP 6648790 U JP6648790 U JP 6648790U JP H0424657 U JPH0424657 U JP H0424657U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- fuel injection
- valve unit
- electromagnetic
- nozzle
- 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 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図はａは本考案の一実施例を示す燃料噴射
弁の縦断面図、第１図ｂは本実施例におけるノズ
ルプレートの要部の拡大断面図、第２図は本実施
例におけるノズル孔部分の一部を切り欠いて示す
斜視図、第３図は本実施例の動作説明図、第４図
は従来のノズルプレートの平面図、第５図は第４
図の−線に沿う断面図、第６図は従来の動作
説明図である。
１０……燃料噴射弁、２０……ハウジング、３
０……電磁コイル、４０……コイルばね、５０…
…バルブユニツト、５０１……バルブボデイ、５
０２……弁体、５０４……ノズルプレート、５０
５……ノズル孔、５０６……突部。
In FIG. 1, a is a vertical sectional view of a fuel injection valve showing an embodiment of the present invention, FIG. 1b is an enlarged sectional view of the main part of the nozzle plate in this embodiment, and FIG. FIG. 3 is an explanatory view of the operation of this embodiment; FIG. 4 is a plan view of a conventional nozzle plate; and FIG.
FIG. 6, a sectional view taken along the line - in the figure, is a diagram illustrating the conventional operation. 10...Fuel injection valve, 20...Housing, 3
0... Electromagnetic coil, 40... Coil spring, 50...
... Valve unit, 501 ... Valve body, 5
02... Valve body, 504... Nozzle plate, 50
5... Nozzle hole, 506... Protrusion.
Claims (1)
電磁コイルへの通電を制御することにより開閉動
作されるバルブユニツトと、このバルブユニツト
の燃料吐出側に設けられ燃料を霧状に噴射するノ
ズルプレートを有する電磁式燃料噴射弁において
、 前記ノズルプレートに燃料噴射流が互いに衝突
する向きの少なくとも２つのノズル孔を形成し、
この各ノズル孔の内周壁に突部を形成したことを
特徴とする電磁式燃料噴射弁。[Claims for Utility Model Registration] An electromagnetic coil installed in the housing, a valve unit that is opened and closed by controlling the energization of the electromagnetic coil, and a valve unit that is installed on the fuel discharge side of the valve unit and that sprays fuel. In an electromagnetic fuel injection valve having a nozzle plate that injects fuel in a shape, at least two nozzle holes are formed in the nozzle plate in a direction in which fuel injection flows collide with each other,
An electromagnetic fuel injection valve characterized in that a protrusion is formed on the inner peripheral wall of each nozzle hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6648790U JPH0424657U (en) | 1990-06-22 | 1990-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6648790U JPH0424657U (en) | 1990-06-22 | 1990-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0424657U true JPH0424657U (en) | 1992-02-27 |
Family
ID=31599255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6648790U Pending JPH0424657U (en) | 1990-06-22 | 1990-06-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424657U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001097977A1 (en) * | 2000-06-20 | 2001-12-27 | Ngk Insulators, Ltd. | Liquid droplet ejecting device and liquid droplet ejecting method |
| JP2009236048A (en) * | 2008-03-27 | 2009-10-15 | Toyota Motor Corp | Fuel injection valve for internal combustion engine |
| JP2010065541A (en) * | 2008-09-08 | 2010-03-25 | Toyota Motor Corp | Fuel injection valve of internal combustion engine |
| JP2016148273A (en) * | 2015-02-12 | 2016-08-18 | 株式会社デンソー | Fuel injection nozzle |
-
1990
- 1990-06-22 JP JP6648790U patent/JPH0424657U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001097977A1 (en) * | 2000-06-20 | 2001-12-27 | Ngk Insulators, Ltd. | Liquid droplet ejecting device and liquid droplet ejecting method |
| JP2009236048A (en) * | 2008-03-27 | 2009-10-15 | Toyota Motor Corp | Fuel injection valve for internal combustion engine |
| JP2010065541A (en) * | 2008-09-08 | 2010-03-25 | Toyota Motor Corp | Fuel injection valve of internal combustion engine |
| JP2016148273A (en) * | 2015-02-12 | 2016-08-18 | 株式会社デンソー | Fuel injection nozzle |