JPS6264875U - - Google Patents
Info
- Publication number
- JPS6264875U JPS6264875U JP15573185U JP15573185U JPS6264875U JP S6264875 U JPS6264875 U JP S6264875U JP 15573185 U JP15573185 U JP 15573185U JP 15573185 U JP15573185 U JP 15573185U JP S6264875 U JPS6264875 U JP S6264875U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle hole
- round holes
- fuel injection
- protrusion
- drilling
- 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
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第１図は、本考案の燃料噴射ノズルの要部正面
図であり、第２図は、同上燃料噴射ノズルの噴孔
部分の形状状態図である。第３図は、同上燃料噴
射ノズルの噴孔から噴射される燃料流の状態を示
す状態図である。
１……燃料噴射ノズル、２……噴孔、２０……
噴孔内壁、２１，２２，２３……微小丸型孔、３
……突出部、４……燃料流、５……乱れ。
FIG. 1 is a front view of the main parts of the fuel injection nozzle of the present invention, and FIG. 2 is a diagram showing the shape and state of the nozzle hole portion of the same fuel injection nozzle. FIG. 3 is a state diagram showing the state of the fuel flow injected from the nozzle hole of the same fuel injection nozzle. 1...Fuel injection nozzle, 2...Nozzle hole, 20...
Nozzle hole inner wall, 21, 22, 23...micro round hole, 3
... protrusion, 4 ... fuel flow, 5 ... turbulence.
Claims (1)
噴孔２において、複数の微小丸型孔２１，２２，
２３……を連ねて穿孔することにより、所定の特
殊噴孔形状を形成し、該形状の噴孔内壁２０に穿
孔で隣接した微小丸型孔間に存在する微小丸型孔
の穿孔での残り部分がバリとなつて突出部３を形
成したことを特徴とする突出部付噴孔を具備した
燃料噴射ノズル。 In the nozzle hole 2 drilled in the fuel injection nozzle 1 that injects fuel, a plurality of small round holes 21, 22,
By drilling 23... in series, a predetermined special nozzle hole shape is formed, and the remaining part of the minute round holes existing between the minute round holes adjacent to the nozzle hole inner wall 20 of the shape is formed by drilling. A fuel injection nozzle equipped with a nozzle hole with a protrusion, characterized in that a portion thereof becomes a burr to form a protrusion 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15573185U JPS6264875U (en) | 1985-10-14 | 1985-10-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15573185U JPS6264875U (en) | 1985-10-14 | 1985-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6264875U true JPS6264875U (en) | 1987-04-22 |
Family
ID=31076695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15573185U Pending JPS6264875U (en) | 1985-10-14 | 1985-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6264875U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009299630A (en) * | 2008-06-16 | 2009-12-24 | Nippon Soken Inc | Fuel injection valve |
| JP2010216412A (en) * | 2009-03-18 | 2010-09-30 | Hitachi Automotive Systems Ltd | Fuel injection valve |
-
1985
- 1985-10-14 JP JP15573185U patent/JPS6264875U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009299630A (en) * | 2008-06-16 | 2009-12-24 | Nippon Soken Inc | Fuel injection valve |
| JP2010216412A (en) * | 2009-03-18 | 2010-09-30 | Hitachi Automotive Systems Ltd | Fuel injection valve |