JPS58122780U - Diesel engine fuel injection nozzle - Google Patents
Diesel engine fuel injection nozzleInfo
- Publication number
- JPS58122780U JPS58122780U JP1842082U JP1842082U JPS58122780U JP S58122780 U JPS58122780 U JP S58122780U JP 1842082 U JP1842082 U JP 1842082U JP 1842082 U JP1842082 U JP 1842082U JP S58122780 U JPS58122780 U JP S58122780U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- diesel engine
- injection nozzle
- nozzle
- engine fuel
- 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
- Fuel-Injection Apparatus (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１−は燃料噴射ノズルの従来例を示す断面図、
−第２図は本考案の一実施例を示す断面図、第３図は針
弁リフトと燃料流路最小断面積との関係を示 −す
線図である。
１１・・・ノズル本体、１２・・・針弁、１６・・・す
きま容積、１７・・・セラミック製ノズルチップ、１８
・・・主通路、１９・・・噴孔、２０・・・突起。1- is a sectional view showing a conventional example of a fuel injection nozzle;
- Fig. 2 is a sectional view showing an embodiment of the present invention, and Fig. 3 is a diagram showing the relationship between the needle valve lift and the minimum cross-sectional area of the fuel flow path. 11... Nozzle body, 12... Needle valve, 16... Gap volume, 17... Ceramic nozzle tip, 18
...Main passage, 19...Nozzle hole, 20...Protrusion.
Claims (1)
弁の先端に突起を設けて、針弁の所定のリフト区間にて
この突起をノズル本体に噴孔に連ねてその上流側に形成
した主通路に突入させ、当該リフト区間にて主通路の断
面積を噴孔の断面積の総和より小さくするように制御す
ることを特徴とするディーゼル機関の燃料噴射ノズル。In a hole-type fuel injection nozzle for a diesel engine, a protrusion is provided at the tip of the needle valve, and at a predetermined lift section of the needle valve, this protrusion connects to the nozzle hole in the nozzle body and enters the main passage formed on the upstream side. A fuel injection nozzle for a diesel engine, characterized in that the cross-sectional area of the main passage is controlled to be smaller than the total cross-sectional area of the nozzle holes in the lift section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1842082U JPS58122780U (en) | 1982-02-15 | 1982-02-15 | Diesel engine fuel injection nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1842082U JPS58122780U (en) | 1982-02-15 | 1982-02-15 | Diesel engine fuel injection nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58122780U true JPS58122780U (en) | 1983-08-20 |
Family
ID=30030672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1842082U Pending JPS58122780U (en) | 1982-02-15 | 1982-02-15 | Diesel engine fuel injection nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58122780U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01170755A (en) * | 1987-12-25 | 1989-07-05 | Isuzu Motors Ltd | Fuel injection nozzle |
| JPH01177450A (en) * | 1987-12-28 | 1989-07-13 | Isuzu Motors Ltd | Fuel injection nozzle |
-
1982
- 1982-02-15 JP JP1842082U patent/JPS58122780U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01170755A (en) * | 1987-12-25 | 1989-07-05 | Isuzu Motors Ltd | Fuel injection nozzle |
| JPH01177450A (en) * | 1987-12-28 | 1989-07-13 | Isuzu Motors Ltd | Fuel injection nozzle |
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