JPS6199669U - - Google Patents
Info
- Publication number
- JPS6199669U JPS6199669U JP18363684U JP18363684U JPS6199669U JP S6199669 U JPS6199669 U JP S6199669U JP 18363684 U JP18363684 U JP 18363684U JP 18363684 U JP18363684 U JP 18363684U JP S6199669 U JPS6199669 U JP S6199669U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- fuel
- injection hole
- hole
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の第１実施例に係る燃料噴射弁
の先端部の断面図、第２図は第１図の装置の先端
部の部分底面図、第３図は第１図の燃料噴射弁の
全体側面図、第４図は噴射弁雰囲気圧と噴射量変
化率との関係図、第５図は本考案の第２実施例に
係る燃料噴射弁の先端部の断面図、第６図は本考
案の第３実施例に係る燃料噴射弁の先端部の断面
図、第７図は本考案の第４実施例に係る燃料噴射
弁の先端部の断面図、である。
１……燃料噴射弁、２……燃料供給通路、３…
…燃料噴孔、７，１７……アダプタ、８ａ，８ｂ
……噴射燃料通路、９……合流部、１２……グロ
メツト、１３，１６，１８，１９……外気圧導入
孔。
FIG. 1 is a sectional view of the tip of the fuel injection valve according to the first embodiment of the present invention, FIG. 2 is a partial bottom view of the tip of the device shown in FIG. 1, and FIG. 3 is the fuel injection valve of FIG. 1. FIG. 4 is a diagram showing the relationship between the atmospheric pressure of the injector and the rate of change in injection amount; FIG. 5 is a sectional view of the tip of the fuel injector according to the second embodiment of the present invention; FIG. 6 is a side view of the entire valve; 7 is a sectional view of the tip of a fuel injection valve according to a third embodiment of the invention, and FIG. 7 is a sectional view of the tip of a fuel injection valve according to a fourth embodiment of the invention. 1...Fuel injection valve, 2...Fuel supply passage, 3...
...Fuel injection hole, 7, 17...Adapter, 8a, 8b
... Injection fuel passage, 9 ... Merging section, 12 ... Grommet, 13, 16, 18, 19 ... External pressure introduction hole.
Claims (1)
噴孔の下流側に位置し、燃料噴孔からの燃料を所
定方向に分岐させて出口から噴射する複数の噴射
燃料通路とを有する燃料噴射弁において、前記燃
料噴孔の下流側の通路の燃料噴孔の出口近傍に、
該通路内と燃料噴射弁先端部の外気とを連通する
外気圧導入孔を設けたことを特徴とする燃料噴射
弁。 A fuel injection system having one fuel injection hole that measures injected fuel, and a plurality of injection fuel passages that are located downstream of the fuel injection hole and that branch the fuel from the fuel injection hole in a predetermined direction and inject it from an outlet. In the valve, near the outlet of the fuel injection hole in the downstream passage of the fuel injection hole,
A fuel injection valve characterized in that an outside pressure introduction hole is provided that communicates the inside of the passage with outside air at the tip of the fuel injection valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984183636U JPH0413417Y2 (en) | 1984-12-05 | 1984-12-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984183636U JPH0413417Y2 (en) | 1984-12-05 | 1984-12-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6199669U true JPS6199669U (en) | 1986-06-25 |
| JPH0413417Y2 JPH0413417Y2 (en) | 1992-03-27 |
Family
ID=30741135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984183636U Expired JPH0413417Y2 (en) | 1984-12-05 | 1984-12-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0413417Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011220209A (en) * | 2010-04-08 | 2011-11-04 | Toyota Motor Corp | Fuel injection nozzle and direct injection type fuel injection valve |
| CN103492703A (en) * | 2010-12-20 | 2014-01-01 | 丰田自动车株式会社 | Fuel injection valve |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57183559A (en) * | 1981-05-06 | 1982-11-11 | Hitachi Ltd | Fuel injection valve |
| JPS5977074A (en) * | 1982-09-21 | 1984-05-02 | ドイチエ・フオルシユンクス・ウント・フエルザハザンシユタルト・ヒユ−ル・ルフト・ウント・ラオムフア−ルト・アインゲトウラゲナ−・ヘライン | Fuel injection device for diesel engine |
-
1984
- 1984-12-05 JP JP1984183636U patent/JPH0413417Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57183559A (en) * | 1981-05-06 | 1982-11-11 | Hitachi Ltd | Fuel injection valve |
| JPS5977074A (en) * | 1982-09-21 | 1984-05-02 | ドイチエ・フオルシユンクス・ウント・フエルザハザンシユタルト・ヒユ−ル・ルフト・ウント・ラオムフア−ルト・アインゲトウラゲナ−・ヘライン | Fuel injection device for diesel engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011220209A (en) * | 2010-04-08 | 2011-11-04 | Toyota Motor Corp | Fuel injection nozzle and direct injection type fuel injection valve |
| CN103492703A (en) * | 2010-12-20 | 2014-01-01 | 丰田自动车株式会社 | Fuel injection valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0413417Y2 (en) | 1992-03-27 |
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