JPH0264753U - - Google Patents
Info
- Publication number
- JPH0264753U JPH0264753U JP14339588U JP14339588U JPH0264753U JP H0264753 U JPH0264753 U JP H0264753U JP 14339588 U JP14339588 U JP 14339588U JP 14339588 U JP14339588 U JP 14339588U JP H0264753 U JPH0264753 U JP H0264753U
- Authority
- JP
- Japan
- Prior art keywords
- swirl
- tip
- fuel
- valve
- swirl portion
- 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 3
- 239000007924 injection Substances 0.000 claims 3
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の第１実施例を示す縦断面図、
第２図は第１図の部分の拡大縦断面図、第３図
は第２実施例を示す第１図の相当部分の拡大縦
断面図、第４図は従来例を示す縦断面図、第５図
は第４図の部分の拡大縦断面図、第６図はスワ
ール部の要部の拡大縦断面図である。
１：燃料弁本体、２：針弁、３：シート部、１
０：スワール部、１１：ノズルキヤツプ、２２，
３２：絞り孔（噴口）、２２ａ，３２ａ：テーパ
。
FIG. 1 is a longitudinal sectional view showing a first embodiment of the present invention;
2 is an enlarged longitudinal sectional view of the portion shown in FIG. 1, FIG. 3 is an enlarged longitudinal sectional view of a portion corresponding to that in FIG. 5 is an enlarged longitudinal sectional view of the portion shown in FIG. 4, and FIG. 6 is an enlarged longitudinal sectional view of the main part of the swirl portion. 1: Fuel valve body, 2: Needle valve, 3: Seat part, 1
0: Swirl part, 11: Nozzle cap, 22,
32: Throttle hole (spout), 22a, 32a: Taper.
Claims (1)
ート部を設けた針弁と、該シート部に突設された
スワール部と、前記燃料弁本体の先端部に装着さ
れ前記スワール部を摺動可能に囲繞し同スワール
部の先端側に配置された噴口を有するノズルキヤ
ツプを具備した外開き型の燃料噴射弁において、
前記噴口を前記スワール部の先端側から順次に小
径となるテーパ付き絞り孔に構成したことを特徴
とする燃料噴射弁。 A needle valve that is slidably disposed within a fuel valve body and has a seat portion at its tip; a swirl portion that protrudes from the seat portion; and a needle valve that is attached to the tip portion of the fuel valve body and that slides over the swirl portion. In an outward-opening fuel injection valve equipped with a nozzle cap movably surrounding the nozzle cap and having a nozzle port disposed on the tip side of the swirl portion,
A fuel injection valve characterized in that the injection port is configured as a tapered orifice having a diameter that becomes smaller sequentially from the tip side of the swirl portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14339588U JPH0264753U (en) | 1988-11-04 | 1988-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14339588U JPH0264753U (en) | 1988-11-04 | 1988-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0264753U true JPH0264753U (en) | 1990-05-15 |
Family
ID=31410181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14339588U Pending JPH0264753U (en) | 1988-11-04 | 1988-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0264753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008523313A (en) * | 2004-12-15 | 2008-07-03 | 浙江飛亜電子有限公司 | Fuel injection nozzle |
-
1988
- 1988-11-04 JP JP14339588U patent/JPH0264753U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008523313A (en) * | 2004-12-15 | 2008-07-03 | 浙江飛亜電子有限公司 | Fuel injection nozzle |