JPH0419661U - - Google Patents
Info
- Publication number
- JPH0419661U JPH0419661U JP5916290U JP5916290U JPH0419661U JP H0419661 U JPH0419661 U JP H0419661U JP 5916290 U JP5916290 U JP 5916290U JP 5916290 U JP5916290 U JP 5916290U JP H0419661 U JPH0419661 U JP H0419661U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- valve
- fuel injection
- axial direction
- substantially axial
- 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 11
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例を示す燃料噴射弁の
縦断面図、第２図は同上実施例において燃料通路
孔を７個設けた場合の噴孔に対する相対位置の変
化を示す状態図、第３図は燃料通路孔の噴孔に対
する相対位置が元に戻るまでの角度θ２と流量変
化との関係を示す線図、第４図は燃料通路孔の数
と流量変動巾との関係を示す線図、第５図は燃料
通路孔を６個設けた場合の噴孔に対する相対位置
の変化を示す状態図、第６図は従来の燃料噴射弁
の例を示す部分断面図、第７図は第６図示従来例
における孔位置関係を示す平面図である。
１……ハウジング、３……電磁コイル、４……
コイルボビン、５……鉄心、６ａ，６ｂ……噴孔
、７……ノズル部材、１１……弁体、１１ａ……
燃料通路孔、１２……シール用弁座、１２ａ……
シール面部。
FIG. 1 is a vertical cross-sectional view of a fuel injection valve showing an embodiment of the present invention, and FIG. 2 is a state diagram showing changes in relative position to the nozzle hole when seven fuel passage holes are provided in the same embodiment. Figure 3 is a diagram showing the relationship between the angle θ 2 until the relative position of the fuel passage hole to the nozzle hole returns to its original state and the flow rate change, and Figure 4 is a diagram showing the relationship between the number of fuel passage holes and the flow rate fluctuation range. Fig. 5 is a state diagram showing changes in the relative position to the nozzle hole when six fuel passage holes are provided, Fig. 6 is a partial sectional view showing an example of a conventional fuel injection valve, and Fig. 7 FIG. 6 is a plan view showing the hole positional relationship in the conventional example shown in FIG. 1... Housing, 3... Electromagnetic coil, 4...
Coil bobbin, 5... Iron core, 6a, 6b... Nozzle hole, 7... Nozzle member, 11... Valve body, 11a...
Fuel passage hole, 12... Seal valve seat, 12a...
Seal surface.
Claims (1)
向に貫通形成されたノズル部材と、該ノズル部材
に一体的に形成され前記弁体の一端面が着座する
環状のシール面部を有する弁座と、前記弁体を吸
引して開弁させる電磁石と、を備えて構成された
電磁式燃料噴射弁において、 前記弁体の同一円周上に噴射燃料の流路を構成
する燃料通路孔を略等間隔に複数かつ奇数個だけ
略軸方向に貫通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] A disk-shaped valve body, a nozzle member having two nozzle holes formed through each in a substantially axial direction, and one end surface of the valve body formed integrally with the nozzle member. In an electromagnetic fuel injection valve configured to include a valve seat having an annular sealing surface portion on which it is seated, and an electromagnet that attracts the valve body to open the valve, the injected fuel is distributed on the same circumference of the valve body. An electromagnetic fuel injection valve characterized in that a plurality of fuel passage holes constituting a flow path are formed at approximately equal intervals and an odd number thereof in a substantially axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5916290U JPH0419661U (en) | 1990-06-06 | 1990-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5916290U JPH0419661U (en) | 1990-06-06 | 1990-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0419661U true JPH0419661U (en) | 1992-02-19 |
Family
ID=31585418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5916290U Pending JPH0419661U (en) | 1990-06-06 | 1990-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0419661U (en) |
-
1990
- 1990-06-06 JP JP5916290U patent/JPH0419661U/ja active Pending
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