JPH048766U - - Google Patents
Info
- Publication number
- JPH048766U JPH048766U JP4814390U JP4814390U JPH048766U JP H048766 U JPH048766 U JP H048766U JP 4814390 U JP4814390 U JP 4814390U JP 4814390 U JP4814390 U JP 4814390U JP H048766 U JPH048766 U JP H048766U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- nozzle body
- fuel injection
- tip
- diesel engine
- 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 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000000446 fuel Substances 0.000 claims description 8
- 101150071927 AANAT gene Proteins 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の第１実施例を示す燃料噴射ノ
ズルの断面図、第２図は第２実施例を示す燃料噴
射ノズルの断面図、第３図は第３実施例を示す燃
料噴射ノズルの断面図、第４図は第４実施例を示
す燃料噴射ノズルの断面図、第５図は同上の部分
拡大図、第６図は従来例を示す燃料噴射ノズルの
断面図、第７図は従来の改良例を示す燃料噴射ノ
ズルの断面図である。
１……ノズルボデイ、２……シート部、３……
噴孔、４……ニードルバルブ、５……ニードルフ
エイス部、７……プランジヤー部、９……油圧室
、１１……スリーブ、１４……スナツプリング、
１５……皿バネ、２１……カラー、３１……ガイ
ド、４１……ラビリンス溝、Ａ……隙間。
FIG. 1 is a sectional view of a fuel injection nozzle showing a first embodiment of the present invention, FIG. 2 is a sectional view of a fuel injection nozzle showing a second embodiment, and FIG. 3 is a fuel injection nozzle showing a third embodiment. 4 is a sectional view of a fuel injection nozzle showing a fourth embodiment, FIG. 5 is a partially enlarged view of the same as above, FIG. 6 is a sectional view of a fuel injection nozzle showing a conventional example, and FIG. FIG. 2 is a sectional view of a fuel injection nozzle showing an improved example of the conventional art. 1... Nozzle body, 2... Seat section, 3...
Nozzle hole, 4...Needle valve, 5...Needle eighth part, 7...Plunger part, 9...Hydraulic chamber, 11...Sleeve, 14...Snat spring,
15... Disc spring, 21... Collar, 31... Guide, 41... Labyrinth groove, A... Gap.
Claims (1)
するノズルボデイと、このノズルボデイ内に収納
され、先端に前記シート部に着座するニードルフ
エイス部を有するニードルバルブとを備える直噴
式デイーゼルエンジン用燃料噴射ノズルにおいて
、 前記ニードルバルブの基端側のプランジヤー部
に径方向に所定の隙間を有して嵌合されると共に
、軸方向には固定されるスリーブを設け、このス
リーブをノズルボデイに摺動自在に案内させたこ
とを特徴とする直噴式デイーゼルエンジン用燃料
噴射ノズル。[Claims for Utility Model Registration] A nozzle body having a seat portion with a plurality of nozzle holes opened inside its tip, and a needle valve housed within the nozzle body and having a needle ace portion seated on the seat portion at its tip. In the fuel injection nozzle for a direct injection diesel engine, a sleeve is provided which is fitted in the plunger portion on the proximal end side of the needle valve with a predetermined gap in the radial direction and is fixed in the axial direction. A fuel injection nozzle for a direct injection diesel engine, characterized in that a nozzle body is slidably guided by a nozzle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4814390U JPH048766U (en) | 1990-05-10 | 1990-05-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4814390U JPH048766U (en) | 1990-05-10 | 1990-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH048766U true JPH048766U (en) | 1992-01-27 |
Family
ID=31564694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4814390U Pending JPH048766U (en) | 1990-05-10 | 1990-05-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014098450A (en) * | 2012-11-15 | 2014-05-29 | Saginomiya Seisakusho Inc | Pilot type solenoid valve |
-
1990
- 1990-05-10 JP JP4814390U patent/JPH048766U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014098450A (en) * | 2012-11-15 | 2014-05-29 | Saginomiya Seisakusho Inc | Pilot type solenoid valve |