JPH01176751U - - Google Patents
Info
- Publication number
- JPH01176751U JPH01176751U JP7359588U JP7359588U JPH01176751U JP H01176751 U JPH01176751 U JP H01176751U JP 7359588 U JP7359588 U JP 7359588U JP 7359588 U JP7359588 U JP 7359588U JP H01176751 U JPH01176751 U JP H01176751U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle hole
- tip
- injection valve
- fuel injection
- combustion engine
- 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
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims 2
- 239000007921 spray Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000001012 protector Effects 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図はこの考案に係る燃料噴射弁の要部を示
す断面図、第２図はその噴射パターンを示す説明
図、第３図は従来における燃料噴射弁の要部を示
す断面図、第４図はこの従来例の噴射パターンを
示す説明図、第５図は吸気２弁式機関の燃料噴射
弁を装着した状態の説明図である。
１……ボデイ、２……噴孔、４……ニードル、
６……ピントル部、８……プロフアイル部、１１
……プロテクタ、１３……案内面。
FIG. 1 is a sectional view showing the main parts of the fuel injection valve according to this invention, FIG. 2 is an explanatory diagram showing the injection pattern, FIG. 3 is a sectional view showing the main parts of the conventional fuel injection valve, and FIG. The figure is an explanatory diagram showing the injection pattern of this conventional example, and FIG. 5 is an explanatory diagram of the state in which the fuel injection valve of the intake two-valve engine is installed. 1...Body, 2...Nozzle hole, 4...Needle,
6...Pintle part, 8...Profile part, 11
...Protector, 13...Information surface.
Claims (1)
貫通する円柱状のピントル部が形成されるととも
に、このピントル部の先端に、上記噴孔から突出
し、かつ円錐形に拡がつたプロフアイル部が形成
されてなる内燃機関の燃料噴射弁において、上記
噴孔の先端側に、燃料噴霧外周を囲むように上記
プロフアイル部の傾斜に略沿つた円錐形の案内面
を形成したことを特徴とする内燃機関の燃料噴射
弁。 A cylindrical pintle portion passing through the nozzle hole is formed at the tip of the needle that opens and closes the nozzle hole, and a profile portion that protrudes from the nozzle hole and expands into a conical shape is formed at the tip of this pintle portion. The fuel injection valve for an internal combustion engine is characterized in that a conical guide surface is formed on the tip side of the nozzle hole and substantially follows the slope of the profile portion so as to surround the outer periphery of the fuel spray. Fuel injection valve for internal combustion engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7359588U JPH01176751U (en) | 1988-06-02 | 1988-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7359588U JPH01176751U (en) | 1988-06-02 | 1988-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01176751U true JPH01176751U (en) | 1989-12-18 |
Family
ID=31298732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7359588U Pending JPH01176751U (en) | 1988-06-02 | 1988-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01176751U (en) |
-
1988
- 1988-06-02 JP JP7359588U patent/JPH01176751U/ja active Pending
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