JPH023060U - - Google Patents
Info
- Publication number
- JPH023060U JPH023060U JP8135488U JP8135488U JPH023060U JP H023060 U JPH023060 U JP H023060U JP 8135488 U JP8135488 U JP 8135488U JP 8135488 U JP8135488 U JP 8135488U JP H023060 U JPH023060 U JP H023060U
- Authority
- JP
- Japan
- Prior art keywords
- anchor
- needle
- fuel injection
- injection valve
- combustion engine
- 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 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 3
- 239000000696 magnetic material Substances 0.000 claims 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図はこの考案に係る電磁式燃料噴射弁の一
実施例を示す断面図、第２図はその要部の半断面
図、第３図は従来における電磁式燃料噴射弁の要
部を示す断面図である。
２…ソレノイド、５…鉄芯、５ａ…先端面、１
１…ボデイ、１５…ニードル、１６…コイルスプ
リング、１７…アンカー、１７ａ…基端面。
Fig. 1 is a sectional view showing an embodiment of the electromagnetic fuel injection valve according to this invention, Fig. 2 is a half sectional view of the main part thereof, and Fig. 3 is a main part of the conventional electromagnetic fuel injection valve. FIG. 2... Solenoid, 5... Iron core, 5a... Tip surface, 1
DESCRIPTION OF SYMBOLS 1...Body, 15...Needle, 16...Coil spring, 17...Anchor, 17a...Proximal end surface.
Claims (1)
方向に付勢するコイルスプリングと、上記ニード
ルの基端に取り付けられた磁性体からなるアンカ
ーと、ソレノイドの中心部に配置され、かつその
先端面が上記アンカーの基端面に対向した鉄芯と
を備えてなる内燃機関の電磁式燃料噴射弁におい
て、上記アンカーの基端面を、中心側が膨らんだ
曲面もしくは円錐面に形成し、かつ上記鉄芯の先
端面を、上記アンカー基端面に対応して中心側が
凹んだ曲面もしくは円錐面に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 needle that opens and closes the nozzle hole, a coil spring that biases the needle in the closing direction, an anchor made of a magnetic material attached to the base end of the needle, and a solenoid that is located at the center of the solenoid and whose tip surface is In an electromagnetic fuel injection valve for an internal combustion engine, the electromagnetic fuel injection valve for an internal combustion engine is provided with an iron core facing the proximal end surface of the anchor, the proximal end surface of the anchor being formed into a curved surface or conical surface with a bulging center side, and the distal end of the iron core. An electromagnetic fuel injection valve for an internal combustion engine, characterized in that the surface is formed into a curved surface or a conical surface with a concave center side corresponding to the anchor base end surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8135488U JPH023060U (en) | 1988-06-20 | 1988-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8135488U JPH023060U (en) | 1988-06-20 | 1988-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH023060U true JPH023060U (en) | 1990-01-10 |
Family
ID=31306140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8135488U Pending JPH023060U (en) | 1988-06-20 | 1988-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH023060U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62150069A (en) * | 1985-12-24 | 1987-07-04 | Nippon Denso Co Ltd | Solenoid type fuel injection valve |
-
1988
- 1988-06-20 JP JP8135488U patent/JPH023060U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62150069A (en) * | 1985-12-24 | 1987-07-04 | Nippon Denso Co Ltd | Solenoid type fuel injection valve |