JPS5975557U - Direct injection fuel injection valve - Google Patents
Direct injection fuel injection valveInfo
- Publication number
- JPS5975557U JPS5975557U JP17040882U JP17040882U JPS5975557U JP S5975557 U JPS5975557 U JP S5975557U JP 17040882 U JP17040882 U JP 17040882U JP 17040882 U JP17040882 U JP 17040882U JP S5975557 U JPS5975557 U JP S5975557U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- valve
- injection valve
- direct
- view
- 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一例の構成を示す断面図
、第２図は、第１図の燃料噴射弁の先端の拡大増面図、
第３図は、本考案による直噴式燃料噴射弁の先端部の一
例の構成を示す拡大断面図、第４図は、第３図の直噴式
燃料噴射を用いた機関燃焼室部の断面図、第５図は本考
案の直噴式燃料噴射弁の先端部の他の例の構成を示す拡
大断面図、第６図は、第５図の直噴式燃料噴射弁の中心
軸に対する各円周方向位置における、ニードル弁移動量
と噴口断面積との関係を示すグラフ図、第７図は、第５
図の直噴式燃料噴射弁を用いた機関燃焼室部の断面図、
第８図は、第７図のＬＩ断面を示す断面図、第９図Ａ−
Ｈは、本考案による燃料噴射弁のノズルボディ先端部の
さらに他の例の構成を示す斜視図、第１０図は、本考案
による直噴式燃料噴射弁のノズル先端部のさらに他の例
の構成を示す拡大断面図、第１１図は、本考案による直
−゛噴式燃料噴射弁のノズル先端部のさらに他の例の構
成を示す拡大断面図、第１２図は、本考案による直噴式
燃料噴射弁のノズル先端部のさらに他の例の構成を示す
拡大断面図、第１３図ａ及びｂは１、ノズルボディ及び
ニードル弁の両方を切削して噴射特性を調整した直噴式
燃料噴射弁の部分断面図及びその底面図である。
３・・・直噴式燃料噴射弁、４・・・ノズルホルダ、５
・・・シリンダヘッド、８・・・燃焼室、９・・・点火
栓、１２・・・ノズルボディ、１４・・・ニードル弁、
１５゜１７・・・シート面、１６．２０・・・スロット
ル部、１９・・・テーパ一部、２２． ２３． ３３・
・・噴口。
Ｌ−一４−−コ昏２ＩFIG. 1 is a sectional view showing the configuration of an example of a conventional fuel injection valve, and FIG. 2 is an enlarged view of the tip of the fuel injection valve shown in FIG. 1.
FIG. 3 is an enlarged sectional view showing an example of the structure of the tip of the direct injection fuel injection valve according to the present invention, FIG. 4 is a sectional view of the combustion chamber of the engine using the direct injection fuel injection shown in FIG. FIG. 5 is an enlarged sectional view showing the structure of another example of the tip of the direct injection fuel injection valve of the present invention, and FIG. 6 shows each circumferential direction position with respect to the central axis of the direct injection fuel injection valve of FIG. FIG. 7 is a graph showing the relationship between the needle valve movement amount and the nozzle cross-sectional area in FIG.
A cross-sectional view of the engine combustion chamber using the direct injection fuel injection valve shown in the figure.
FIG. 8 is a sectional view showing the LI cross section of FIG. 7, and FIG.
H is a perspective view showing the structure of still another example of the nozzle body tip of the fuel injection valve according to the present invention, and FIG. 10 is a perspective view showing the structure of still another example of the nozzle tip of the direct injection fuel injection valve according to the present invention. FIG. 11 is an enlarged sectional view showing the configuration of still another example of the nozzle tip of the direct injection fuel injection valve according to the invention, and FIG. 12 is an enlarged sectional view showing the structure of the direct injection fuel injection valve according to the invention. FIGS. 13a and 13b are enlarged cross-sectional views showing the configuration of still another example of the nozzle tip of the valve. 1. A portion of a direct injection fuel injection valve in which injection characteristics are adjusted by cutting both the nozzle body and the needle valve. FIG. 2 is a cross-sectional view and a bottom view thereof. 3... Direct injection fuel injection valve, 4... Nozzle holder, 5
... cylinder head, 8 ... combustion chamber, 9 ... spark plug, 12 ... nozzle body, 14 ... needle valve,
15°17...Seat surface, 16.20...Throttle part, 19...Taper part, 22. 23. 33・
...Spout. L-14--Koko 2I
Claims (1)
対応して前記噴口部の各円周方向位置における燃料噴射
量を調整する噴射方向調整装置を設けたことを特徴とす
る直噴式燃料噴射弁。Direct injection type fuel injection, characterized in that an injection direction adjustment device is provided that adjusts the amount of fuel injection at each circumferential position of the nozzle port in accordance with the shape of the combustion chamber and the mounting position of the fuel injection valve with respect to the shape of the combustion chamber. valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17040882U JPS5975557U (en) | 1982-11-12 | 1982-11-12 | Direct injection fuel injection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17040882U JPS5975557U (en) | 1982-11-12 | 1982-11-12 | Direct injection fuel injection valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5975557U true JPS5975557U (en) | 1984-05-22 |
Family
ID=30372020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17040882U Pending JPS5975557U (en) | 1982-11-12 | 1982-11-12 | Direct injection fuel injection valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5975557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12188664B2 (en) | 2020-09-09 | 2025-01-07 | Samsung Electronics Co., Ltd. | Fan, air conditioner including the fan, and method for manufacturing the fan |
-
1982
- 1982-11-12 JP JP17040882U patent/JPS5975557U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12188664B2 (en) | 2020-09-09 | 2025-01-07 | Samsung Electronics Co., Ltd. | Fan, air conditioner including the fan, and method for manufacturing the fan |
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