JPS63182273U - - Google Patents
Info
- Publication number
- JPS63182273U JPS63182273U JP7253887U JP7253887U JPS63182273U JP S63182273 U JPS63182273 U JP S63182273U JP 7253887 U JP7253887 U JP 7253887U JP 7253887 U JP7253887 U JP 7253887U JP S63182273 U JPS63182273 U JP S63182273U
- Authority
- JP
- Japan
- Prior art keywords
- seat member
- injector
- mounting hole
- electromagnetic actuator
- seat
- 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 2
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図および第２図は本考案の実施例を示し、
第１図はインジエクタの要部断面図、第２図は第
１図中に示す噴射ノズルの拡大図、第３図ないし
第６図は従来技術を示し、第３図はインジエクタ
の縦断面図、第４図はシート部材への噴射ノズル
の組付け状態を示す縦断面図、第５図はデツドス
ペースが増大した状態を示すインジエクタの要部
断面図、第６図は弁体が噴射ノズルに接触した状
態を示すインジエクタの要部断面図である。
１……インジエクタ本体、３……ソレノイド、
６……ノズルホルダ、７……シート部材、７Ａ…
…取付穴、７Ｂ……弁座、９……ポペツト弁体、
１２……弁ばね、２１……噴射ノズル、２１Ａ…
…蓋部、２１Ｂ……小孔、２２……凹湾曲面。
1 and 2 show an embodiment of the present invention,
FIG. 1 is a sectional view of the main parts of the injector, FIG. 2 is an enlarged view of the injection nozzle shown in FIG. 1, FIGS. 3 to 6 show the prior art, and FIG. Figure 4 is a longitudinal cross-sectional view showing how the injection nozzle is assembled to the seat member, Figure 5 is a cross-sectional view of the main part of the injector showing the state in which the dead space has increased, and Figure 6 is the valve body in contact with the injection nozzle. FIG. 3 is a sectional view of a main part of the injector showing the state. 1...Injector body, 3...Solenoid,
6... Nozzle holder, 7... Sheet member, 7A...
...Mounting hole, 7B...Valve seat, 9...Poppet valve body,
12...Valve spring, 21...Injection nozzle, 21A...
...Lid part, 21B...Small hole, 22...Concave curved surface.
Claims (1)
体と、該インジエクタ本体にノズルホルダを介し
て設けられ、取付穴周囲の内端面側に弁座が形成
されたシート部材と、該シート部材の取付穴に固
着された有蓋筒状の噴射ノズルと、前記電磁アク
チユエータの作動によつて前記シート部材の弁座
に離着座する球形状のポペツト弁体とからなるフ
ユーエルインジエクタにおいて、前記噴射ノズル
の蓋部には、前記ポペツト弁体と対応する曲率を
もつた凹湾曲面を形成したことを特徴とするフユ
ーエルインジエクタ。 An injector body containing an electromagnetic actuator, a seat member provided on the injector body via a nozzle holder and having a valve seat formed on the inner end surface around the mounting hole, and a lid fixed to the mounting hole of the seat member. A fuel injector comprising a cylindrical injection nozzle and a spherical poppet valve body that is seated on and off the valve seat of the seat member by the operation of the electromagnetic actuator. A fuel injector characterized by forming a concave curved surface with a curvature corresponding to that of a poppet valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7253887U JPS63182273U (en) | 1987-05-15 | 1987-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7253887U JPS63182273U (en) | 1987-05-15 | 1987-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63182273U true JPS63182273U (en) | 1988-11-24 |
Family
ID=30916074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7253887U Pending JPS63182273U (en) | 1987-05-15 | 1987-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63182273U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61160564A (en) * | 1985-01-09 | 1986-07-21 | Japan Electronic Control Syst Co Ltd | Electromagnetic fuel injection valve of internal-combustion engine |
-
1987
- 1987-05-15 JP JP7253887U patent/JPS63182273U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61160564A (en) * | 1985-01-09 | 1986-07-21 | Japan Electronic Control Syst Co Ltd | Electromagnetic fuel injection valve of internal-combustion engine |