JPS5984274U - Fuel injection valve for internal combustion engine - Google Patents
Fuel injection valve for internal combustion engineInfo
- Publication number
- JPS5984274U JPS5984274U JP17922982U JP17922982U JPS5984274U JP S5984274 U JPS5984274 U JP S5984274U JP 17922982 U JP17922982 U JP 17922982U JP 17922982 U JP17922982 U JP 17922982U JP S5984274 U JPS5984274 U JP S5984274U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection valve
- internal combustion
- combustion engine
- nozzle
- 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図は本考案に係る燃料噴射弁を適用すべきディーゼ
ルエンジンの要部を示す断面図、第２図は本考案に係る
内燃機関用燃料噴射弁の実施例の要部を示す断面図、第
３図および第４図は本考案の第２および第３実施例を示
す第２図と同様の断面図、第５図は本考案の実施例に係
る燃料噴射弁と従来の燃料噴射弁におけるノズ）Ｉ／、
−一ドルのリフトと燃料噴孔流量との関係番比較して示
す特性線図である。 −
４，１４，２４・・・燃料噴射弁、１１．２１・・・ノ
ズルボディ、ＩＩＡ、２１Ａ・・・ノズルボディ側シー
ート面、１１Ｂ・・・ノズルボディ側部、１２・・・燃
料噴射孔、１３．２３・・・ノズルニードル、１３Ａ。
２３Ａ・・・ニードル側シート面、１３Ｂ・・・先端側
部分、１５・・・フッ素樹脂膜、１６・・・ビントル。FIG. 1 is a cross-sectional view showing the main parts of a diesel engine to which the fuel injection valve according to the present invention is applied, FIG. 2 is a cross-sectional view showing the main parts of an embodiment of the fuel injection valve for an internal combustion engine according to the present invention, 3 and 4 are sectional views similar to FIG. 2 showing second and third embodiments of the present invention, and FIG. 5 shows a fuel injection valve according to an embodiment of the present invention and a conventional fuel injection valve. Noz) I/,
- It is a characteristic diagram showing a comparison of the relationship between one dollar lift and fuel injection hole flow rate. - 4, 14, 24...Fuel injection valve, 11.21...Nozzle body, IIA, 21A...Nozzle body side seat surface, 11B...Nozzle body side part, 12...Fuel injection hole , 13.23... Nozzle needle, 13A. 23A... Needle side sheet surface, 13B... Tip side portion, 15... Fluororesin membrane, 16... Bintle.
Claims (1)
ルボディ先端の燃料噴孔よりも上流側でノズルボディ側
シート面に離接するニードル側シート面を備えたノズル
ニードルと、を有してなる内燃機関用燃料噴射弁におい
て、前記ノズルニードルの少くともニードル側シート面
およびこれより先端側部分およびこれらに対応する前記
ノズルボディ側部分の表面にフッ素樹脂膜を塗布したこ
とを特徴とする内燃機関用燃料噴射弁。An internal combustion engine comprising: a nozzle body; and a nozzle needle included in the nozzle body and having a needle-side seat surface that comes into contact with and separates from a nozzle-body-side seat surface on the upstream side of a fuel injection hole at the tip of the nozzle body. A fuel injection valve for an internal combustion engine, characterized in that a fluororesin film is coated on at least the seat surface on the needle side of the nozzle needle, a portion on the distal end thereof, and a surface on the corresponding portion on the nozzle body side. injection valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17922982U JPS5984274U (en) | 1982-11-26 | 1982-11-26 | Fuel injection valve for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17922982U JPS5984274U (en) | 1982-11-26 | 1982-11-26 | Fuel injection valve for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5984274U true JPS5984274U (en) | 1984-06-07 |
Family
ID=30388923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17922982U Pending JPS5984274U (en) | 1982-11-26 | 1982-11-26 | Fuel injection valve for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5984274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7607414B2 (en) | 2004-09-14 | 2009-10-27 | Nissan Motor Co., Ltd. | Member for internal combustion engine and production method thereof |
-
1982
- 1982-11-26 JP JP17922982U patent/JPS5984274U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7607414B2 (en) | 2004-09-14 | 2009-10-27 | Nissan Motor Co., Ltd. | Member for internal combustion engine and production method thereof |
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