JPH02124264U - - Google Patents
Info
- Publication number
- JPH02124264U JPH02124264U JP3290489U JP3290489U JPH02124264U JP H02124264 U JPH02124264 U JP H02124264U JP 3290489 U JP3290489 U JP 3290489U JP 3290489 U JP3290489 U JP 3290489U JP H02124264 U JPH02124264 U JP H02124264U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- hole
- nozzle
- needle valve
- nozzle body
- 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 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案に係るホール型燃料噴射ノズル
の要部断面図、第２図及び第３図は従来のホール
型燃料噴射ノズルの要部断面図である。
１ａ……ノズル本体、１１……噴孔（主噴孔）
、１５……副噴孔、１９……燃料噴射ノズル、２
１……ニードル弁、２１ａ……ニードル弁の先端
、２３……サツクボリユーム。
FIG. 1 is a sectional view of a main part of a hole-type fuel injection nozzle according to the present invention, and FIGS. 2 and 3 are sectional views of a main part of a conventional hole-type fuel injection nozzle. 1a... Nozzle body, 11... Nozzle hole (main nozzle hole)
, 15...Sub-nozzle hole, 19...Fuel injection nozzle, 2
1...Needle valve, 21a...Tip of needle valve, 23...Summary volume.
Claims (1)
放射状に開口する主噴孔と当該ノズル本体の略軸
線方向に開口する副噴孔を設け、当該ノズル本体
先端の内壁面と上記ニードル弁の先端とでサツク
ボリユームを形成してなるデイーゼルエンジンの
ホール型燃料噴射ノズルに於て、上記ニードル弁
の先端を、平坦形状としたことを特徴とするデイ
ーゼルエンジンのホール型燃料噴射ノズル。 At the tip of the nozzle body where the needle valve is inserted,
A hole for a diesel engine, which has a main nozzle hole that opens radially and a sub nozzle hole that opens approximately in the axial direction of the nozzle body, and forms a sac volume with the inner wall surface of the tip of the nozzle body and the tip of the needle valve. A hole-type fuel injection nozzle for a diesel engine, characterized in that the tip of the needle valve has a flat shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3290489U JPH02124264U (en) | 1989-03-23 | 1989-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3290489U JPH02124264U (en) | 1989-03-23 | 1989-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02124264U true JPH02124264U (en) | 1990-10-12 |
Family
ID=31536167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3290489U Pending JPH02124264U (en) | 1989-03-23 | 1989-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02124264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007097092A1 (en) * | 2006-02-21 | 2007-08-30 | Isuzu Motors Limited | Injector nozzle |
-
1989
- 1989-03-23 JP JP3290489U patent/JPH02124264U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007097092A1 (en) * | 2006-02-21 | 2007-08-30 | Isuzu Motors Limited | Injector nozzle |