JPH0449660U - - Google Patents
Info
- Publication number
- JPH0449660U JPH0449660U JP9073890U JP9073890U JPH0449660U JP H0449660 U JPH0449660 U JP H0449660U JP 9073890 U JP9073890 U JP 9073890U JP 9073890 U JP9073890 U JP 9073890U JP H0449660 U JPH0449660 U JP H0449660U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- nozzle
- nozzle body
- fuel injection
- passage
- 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 10
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図はこの考案による燃料噴射ノズルの一実
施例を示す概略断面図、第２図は第１図の燃料噴
射ノズルの閉鎖状態を示す要部の拡大断面図、及
び第３図は第１図の燃料噴射ノズルの開放状態を
示す要部の拡大断面図である。
１……ノズル本体、２……ホルダ、３……バル
ブ、４……リテーナ、５……リターンスプリング
、６……円筒部材、１０……噴孔、１１……孔部
、１４……突出部、１６，２１……燃料通路、１
７……螺旋溝、１８……孔。
FIG. 1 is a schematic sectional view showing one embodiment of the fuel injection nozzle according to this invention, FIG. 2 is an enlarged sectional view of the main part of the fuel injection nozzle shown in FIG. FIG. 2 is an enlarged cross-sectional view of main parts of the fuel injection nozzle shown in the figure in an open state. DESCRIPTION OF SYMBOLS 1... Nozzle body, 2... Holder, 3... Valve, 4... Retainer, 5... Return spring, 6... Cylindrical member, 10... Nozzle hole, 11... Hole, 14... Projection part , 16, 21...Fuel passage, 1
7...Spiral groove, 18...hole.
Claims (1)
噴孔を形成したノズル本体、該ノズル本体の前記
中空部内で摺動可能に且つ非回転状態に嵌合した
バルブ、該バルブに形成した燃料通路、及び前記
燃料通路に一端を開口し且つ前記バルブの前記ノ
ズル本体に対する摺動移動によつて他端を前記噴
孔に整合可能に形成した前記バルブに設けた螺旋
通路を有する燃料噴射ノズル。 (2) 前記螺旋通路は、前記燃料通路に連通し且
つ前記バルブに半径方向に形成した複数個の孔に
、外周面に螺旋溝を形成した円筒部材を嵌合する
ことによつて形成される請求項１に記載の燃料噴
射ノズル。 (3) デイーゼルエンジンに使用するサツクボリ
ユーム零にしたポペツトカバードオリフイス型に
適用した請求項１に記載の燃料噴射ノズル。[Claims for Utility Model Registration] (1) A nozzle body having a hollow portion and a plurality of nozzle holes formed near the tip thereof, and a nozzle body that is slidably and non-rotatably fitted within the hollow portion of the nozzle body. a combined valve, a fuel passage formed in the valve, and the valve having one end opened to the fuel passage and the other end formed so as to be aligned with the nozzle hole by sliding movement of the valve with respect to the nozzle body. A fuel injection nozzle having a spiral passage provided therein. (2) The spiral passage is formed by fitting a cylindrical member with a spiral groove formed on the outer circumferential surface into a plurality of holes communicating with the fuel passage and formed in the valve in a radial direction. The fuel injection nozzle according to claim 1. (3) The fuel injection nozzle according to claim 1, which is applied to a poppet covered orifice type with zero suction volume used in a diesel engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9073890U JPH0449660U (en) | 1990-08-31 | 1990-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9073890U JPH0449660U (en) | 1990-08-31 | 1990-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0449660U true JPH0449660U (en) | 1992-04-27 |
Family
ID=31825738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9073890U Pending JPH0449660U (en) | 1990-08-31 | 1990-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013539838A (en) * | 2010-10-14 | 2013-10-28 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Fuel injection device |
-
1990
- 1990-08-31 JP JP9073890U patent/JPH0449660U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013539838A (en) * | 2010-10-14 | 2013-10-28 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Fuel injection device |