JPH0452959U - - Google Patents
Info
- Publication number
- JPH0452959U JPH0452959U JP9675490U JP9675490U JPH0452959U JP H0452959 U JPH0452959 U JP H0452959U JP 9675490 U JP9675490 U JP 9675490U JP 9675490 U JP9675490 U JP 9675490U JP H0452959 U JPH0452959 U JP H0452959U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- nozzle
- fuel injection
- hole
- nozzle holes
- 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 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図はこの考案に係る燃料噴射弁の一実施例
を示す断面図、第２図はそのプレートオリフイス
の平面図、第３図はこの実施例の噴射パターンを
示す説明図、第４図および第５図はそれぞれ従来
における燃料噴射弁の要部を示す断面図である。
６…ボデイ、８…開口部、１０…ニードル、１
３…プレートオリフイス、１４Ａ，１４Ｂ，１４
Ｃ，１５Ａ，１５Ｂ，１５Ｃ…噴孔、１７，１８
…案内孔。
Fig. 1 is a sectional view showing an embodiment of the fuel injection valve according to this invention, Fig. 2 is a plan view of its plate orifice, Fig. 3 is an explanatory diagram showing the injection pattern of this embodiment, Figs. FIG. 5 is a sectional view showing a main part of a conventional fuel injection valve. 6...Body, 8...Opening, 10...Needle, 1
3...Plate orifice, 14A, 14B, 14
C, 15A, 15B, 15C... Nozzle hole, 17, 18
...Guidance hole.
Claims (1)
流側に着座面が形成されたボデイと、このボデイ
先端面に配設され、上記開口部を閉塞するととも
に、複数の噴孔が貫通形成された板状のプレート
オリフイスと、上記ボデイ中心部に摺動可能に嵌
合し、上記着座面に着座するとともに、ソレノイ
ドによつてリフトするニードルとを備えてなる内
燃機関の電磁式燃料噴射弁において、上記噴孔の
下流側に一対の案内孔を設けるとともに、上記噴
孔を各案内孔に対応した２群の噴孔から構成し、
かつ各群に含まれる複数の噴孔を、各案内孔の周
方向に沿うように傾斜させて形成したことを特徴
とする内燃機関の電磁式燃料噴射弁。 A body having an opening at the center of the tip and a seating surface formed on the upstream side of the opening, and a body disposed on the tip surface of the body to close the opening and have a plurality of nozzle holes formed through the body. an electromagnetic fuel injection valve for an internal combustion engine, comprising: a plate-like plate orifice; and a needle that is slidably fitted into the center of the body, is seated on the seating surface, and is lifted by a solenoid. A pair of guide holes is provided on the downstream side of the nozzle hole, and the nozzle hole is composed of two groups of nozzle holes corresponding to each guide hole,
An electromagnetic fuel injection valve for an internal combustion engine, characterized in that the plurality of nozzle holes included in each group are formed to be inclined along the circumferential direction of each guide hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9675490U JPH0452959U (en) | 1990-09-12 | 1990-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9675490U JPH0452959U (en) | 1990-09-12 | 1990-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0452959U true JPH0452959U (en) | 1992-05-06 |
Family
ID=31836542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9675490U Pending JPH0452959U (en) | 1990-09-12 | 1990-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452959U (en) |
-
1990
- 1990-09-12 JP JP9675490U patent/JPH0452959U/ja active Pending