JPS6322375U - - Google Patents
Info
- Publication number
- JPS6322375U JPS6322375U JP11632586U JP11632586U JPS6322375U JP S6322375 U JPS6322375 U JP S6322375U JP 11632586 U JP11632586 U JP 11632586U JP 11632586 U JP11632586 U JP 11632586U JP S6322375 U JPS6322375 U JP S6322375U
- Authority
- JP
- Japan
- Prior art keywords
- sac
- nozzle hole
- fuel
- tip protrusion
- stage nozzle
- 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 5
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
本考案の他の実施例の断面図、第３図は第２図の
Ｘ―Ｘ視断面図、第４図は従来のものの断面図で
ある。
１…テーパ部、２…先端突起部、３…バルブシ
ート部、４…サツク部、５…上段噴孔、６…下段
噴孔、７…上摺動面部、８…下摺動面部、９…流
路、Ａ…ニードル弁、Ｂ…ノズル本体。
Fig. 1 is a sectional view of one embodiment of the present invention, Fig. 2 is a sectional view of another embodiment of the invention, Fig. 3 is a sectional view taken along line XX in Fig. 2, and Fig. 4 is a sectional view of a conventional FIG. DESCRIPTION OF SYMBOLS 1...Tapered part, 2...Tip projection part, 3...Valve seat part, 4...Suck part, 5...Upper stage nozzle hole, 6...Lower stage nozzle hole, 7...Upper sliding surface part, 8...Lower sliding surface part, 9... Flow path, A...needle valve, B...nozzle body.
Claims (1)
バルブシート部及びサツク部を有するノズル本体
内に挿入されると共に、前記バルブシート部に上
段噴孔が穿設され、サツク部に下段噴孔が穿設さ
れ、前記ニードル弁が先端突起部の上摺動面部と
サツク部内壁面と嵌合している範囲内で上昇する
とき燃料が上段噴孔より噴射され、上摺動面部と
サツク部内壁面と嵌合している範囲外まで上昇し
たとき上段噴孔及び下段噴孔より噴射される燃料
噴射ノズルに於て、上記上摺動面部を有するニー
ドル弁の先端突起部下に下摺動面部を設けると共
に、その先端突起部にサツク部内に通ずる流路を
設けてなることを特徴とする燃料噴射ノズル。 A needle valve having a tapered part and a tip protrusion is inserted into a nozzle body having a valve seat part and a sac part, and an upper stage nozzle hole is bored in the valve seat part, and a lower stage nozzle hole is bored in the sac part. When the needle valve rises within the range where the upper sliding surface of the tip protrusion and the inner wall surface of the sac part are engaged, fuel is injected from the upper nozzle hole, and the upper sliding surface part and the inner wall surface of the sac part are engaged with each other. In the fuel injection nozzle that injects fuel from the upper stage nozzle hole and the lower stage nozzle hole when the fuel rises above the range where A fuel injection nozzle characterized in that a tip protrusion is provided with a flow path that communicates with the inside of the sac.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11632586U JPS6322375U (en) | 1986-07-29 | 1986-07-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11632586U JPS6322375U (en) | 1986-07-29 | 1986-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6322375U true JPS6322375U (en) | 1988-02-15 |
Family
ID=31000810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11632586U Pending JPS6322375U (en) | 1986-07-29 | 1986-07-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6322375U (en) |
-
1986
- 1986-07-29 JP JP11632586U patent/JPS6322375U/ja active Pending
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