JPS58189369U - Fuel injection valve for direct injection internal combustion engine - Google Patents
Fuel injection valve for direct injection internal combustion engineInfo
- Publication number
- JPS58189369U JPS58189369U JP8641182U JP8641182U JPS58189369U JP S58189369 U JPS58189369 U JP S58189369U JP 8641182 U JP8641182 U JP 8641182U JP 8641182 U JP8641182 U JP 8641182U JP S58189369 U JPS58189369 U JP S58189369U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- combustion engine
- internal combustion
- needle valve
- valve
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の燃料噴射弁の断面図、第２図は本考案の
一実施例を示す燃料噴射弁要部の断面図、第３図は第２
図のＡ−Ａ線断面図、第４図は第２図のＢ−Ｂ線断面図
、第５図は他の実施例の要部断面図、第６図は第５図の
Ｃ−Ｃ線断面図、第７図はさらに他の実施例の要部断面
図、第８図は第７図のＤ−Ｄ線断面図である。
３・・・ノズルヘッド、３ａ・・・噴口部、５・・・ニ
ードル弁、５ａ・・・受圧部、５ｂ・・・スロットル部
、９ａ、 ’９ｂ、 ９ｃ・・・燃料通路、１０
・・・燃料溜め、１１・・・噴射口、１３．１５・・・
切欠、１４・・・突起、１６・・・突起。Fig. 1 is a sectional view of a conventional fuel injection valve, Fig. 2 is a sectional view of the main part of a fuel injection valve showing an embodiment of the present invention, and Fig. 3 is a sectional view of a conventional fuel injection valve.
4 is a sectional view taken along line BB in FIG. 2, FIG. 5 is a sectional view of main parts of another embodiment, and FIG. 6 is taken along line C-C in FIG. 5. 7 is a sectional view of a main part of still another embodiment, and FIG. 8 is a sectional view taken along the line D--D in FIG. 7. 3... Nozzle head, 3a... Spout part, 5... Needle valve, 5a... Pressure receiving part, 5b... Throttle part, 9a, '9b, 9c... Fuel passage, 10
...Fuel reservoir, 11...Injection port, 13.15...
Notch, 14... protrusion, 16... protrusion.
Claims (1)
および燃料圧力の受圧部を持ったニードル弁と、前記ス
ロットル部との間に噴射口を形成する噴口部および前記
受圧部との間に形成した燃料溜めを有するノズルヘッド
と、前記燃料溜めに燃料を供給する燃料通路とを備え、
燃料溜めの燃圧に応じてニードル弁をリフトさせるよう
にした直噴式内燃機関の燃料噴射弁において、前記受圧
部に燃料圧力を受けてニードル弁を回転付勢する切欠ま
たは突起を設けるとともに、ノズルヘッドの前記噴口部
またはニードル弁の前記スロットル部に噴射口に付着す
るカーボン掻き落し用の突起を設けてなる直噴式内燃機
関の燃料噴射弁。A needle valve whose tip part faces into the combustion chamber and has a throttle part and a pressure receiving part for fuel pressure on the upstream side thereof, and a nozzle part that forms an injection port between the throttle part and the pressure receiving part. a nozzle head having a fuel reservoir, and a fuel passage supplying fuel to the fuel reservoir,
In a fuel injection valve for a direct injection internal combustion engine in which a needle valve is lifted in response to fuel pressure in a fuel reservoir, the pressure receiving part is provided with a notch or a protrusion that receives fuel pressure and urges the needle valve to rotate, and a nozzle head is provided. A fuel injection valve for a direct injection internal combustion engine, wherein the injection port or the throttle portion of the needle valve is provided with a protrusion for scraping off carbon adhering to the injection port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8641182U JPS58189369U (en) | 1982-06-10 | 1982-06-10 | Fuel injection valve for direct injection internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8641182U JPS58189369U (en) | 1982-06-10 | 1982-06-10 | Fuel injection valve for direct injection internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58189369U true JPS58189369U (en) | 1983-12-16 |
Family
ID=30095213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8641182U Pending JPS58189369U (en) | 1982-06-10 | 1982-06-10 | Fuel injection valve for direct injection internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58189369U (en) |
-
1982
- 1982-06-10 JP JP8641182U patent/JPS58189369U/en active Pending
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