JPH01136676U - - Google Patents
Info
- Publication number
- JPH01136676U JPH01136676U JP3167888U JP3167888U JPH01136676U JP H01136676 U JPH01136676 U JP H01136676U JP 3167888 U JP3167888 U JP 3167888U JP 3167888 U JP3167888 U JP 3167888U JP H01136676 U JPH01136676 U JP H01136676U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- widened part
- injection direction
- notch
- widens
- 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 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案に係る一実施例を示す正面図、
第２図は同上の底面図、第３図は従来の燃料噴射
弁を示す断面図、第４図は同上の部分拡大図であ
る。
１……ノズルボデイ、２……針弁、３……電磁
コイル、４……スプリング、５……シート面、６
……噴孔、８……拡角部、９……切り欠き部。
FIG. 1 is a front view showing an embodiment of the present invention;
FIG. 2 is a bottom view of the same as above, FIG. 3 is a sectional view showing a conventional fuel injection valve, and FIG. 4 is a partially enlarged view of the same as above. 1... Nozzle body, 2... Needle valve, 3... Electromagnetic coil, 4... Spring, 5... Seat surface, 6
... Nozzle hole, 8 ... Widening part, 9 ... Notch part.
Claims (1)
先端に、燃焼噴射方向に対して拡がつた拡角部を
形成し、該拡角部外周面に燃料噴射方向に沿つて
深さを増す切り欠き部を周方向にほぼ等間隔に複
数形成したことを特徴とする燃料噴射弁。 At the tip of the needle valve protruding from the nozzle hole provided in the nozzle body, a widened part that widens in the combustion injection direction is formed, and a notch that increases in depth along the fuel injection direction is formed on the outer peripheral surface of the widened part. A fuel injection valve characterized in that a plurality of portions are formed at approximately equal intervals in a circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3167888U JPH01136676U (en) | 1988-03-11 | 1988-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3167888U JPH01136676U (en) | 1988-03-11 | 1988-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01136676U true JPH01136676U (en) | 1989-09-19 |
Family
ID=31257709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3167888U Pending JPH01136676U (en) | 1988-03-11 | 1988-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01136676U (en) |
-
1988
- 1988-03-11 JP JP3167888U patent/JPH01136676U/ja active Pending
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