JPS6155126U - - Google Patents
Info
- Publication number
- JPS6155126U JPS6155126U JP13946084U JP13946084U JPS6155126U JP S6155126 U JPS6155126 U JP S6155126U JP 13946084 U JP13946084 U JP 13946084U JP 13946084 U JP13946084 U JP 13946084U JP S6155126 U JPS6155126 U JP S6155126U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- spray
- explanatory diagram
- injection valve
- combustion chamber
- 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
- 239000007921 spray Substances 0.000 claims description 13
- 239000000446 fuel Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 13
- 239000006185 dispersion Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第１図ａは本考案による１実施例の噴霧の状態
を示す説明図、第１図ｂは第１図ａの噴霧に対応
する噴孔を示す説明図、第２図ａは本考案による
他の実施例の噴霧の状態を示す説明図、第２図ｂ
は第２図ａの噴霧に対応する噴孔を示す説明図、
第３図ａは本考案によるさらに他の実施例の噴霧
の状態を示す説明図、第３図ｂは第３図ａの噴霧
に対応する噴孔を示す説明図、第４図は各噴霧が
−矢視断面まで直進した時の位置を示す説明
図、第５図は第１図の燃料噴霧の燃焼室内での分
散状況をスワールの影響も加味して模式的に示し
た説明図、第６図は従来の側方噴射式デイーゼル
機関の燃焼室を示す説明図、第７図は第６図の
−矢視図で、３噴孔ノズルの従来例の１つで、
燃料噴霧の軌跡を模式的に示した説明図、第８図
は第６図の燃料噴射弁の先端部の噴孔を示す説明
図、第９図は同じく３噴孔の従来例の１つで、燃
料噴霧の軌跡を模式的に示した説明図、第１０図
は同じく４噴孔の従来例の１つで、燃料噴霧の軌
跡を模式的に示した説明図である。
Ａ……ノズル先端部、〜……噴霧番号、１
〜６……噴孔番号。
Fig. 1a is an explanatory diagram showing the spray state of one embodiment according to the present invention, Fig. 1b is an explanatory diagram showing the nozzle hole corresponding to the spray of Fig. 1a, and Fig. 2a is an explanatory diagram showing the spray state of one embodiment according to the present invention. An explanatory diagram showing the state of spraying in the example, FIG. 2b
is an explanatory diagram showing the nozzle holes corresponding to the spray in FIG. 2a,
FIG. 3a is an explanatory diagram showing the spray state of still another embodiment according to the present invention, FIG. 3b is an explanatory diagram showing the spray holes corresponding to the spray in FIG. 3a, and FIG. - An explanatory diagram showing the position when going straight to the arrow-view cross section, Fig. 5 is an explanatory diagram schematically showing the dispersion situation of the fuel spray in the combustion chamber of Fig. 1, taking into account the influence of swirl, and Fig. 6 The figure is an explanatory diagram showing the combustion chamber of a conventional side-injection type diesel engine, and Fig. 7 is a view taken in the - arrow direction of Fig. 6, which is one of the conventional examples of a three-hole nozzle.
An explanatory diagram schematically showing the locus of fuel spray, Fig. 8 is an explanatory diagram showing the nozzle holes at the tip of the fuel injector shown in Fig. 6, and Fig. 9 is one of the conventional examples with three nozzle holes. FIG. 10 is an explanatory diagram schematically showing the locus of fuel spray, which is also one of the conventional examples with four injection holes. A... Nozzle tip, ~... Spray number, 1
~6... Nozzle hole number.
Claims (1)
の燃料噴射弁を設けると共に燃焼室に空気渦流が
形成される側方噴射式デイーゼル機関において、
上記燃料噴射弁の噴孔数を６孔とし、同噴孔の３
孔ずつをそれぞれ合体噴霧の円錐角θｃが７°≦
θｃ≦１２°になるように配置し、かつ二つの噴
霧群の中心角度θｐが３０°≦θｐ≦３８°とな
るように形成したことを特徴とするデイーゼル機
関の燃料噴射弁。 In a side-injection diesel engine in which a plurality of fuel injection valves are provided around the cylinder head facing the combustion chamber and an air vortex is formed in the combustion chamber,
The number of nozzle holes of the above fuel injection valve is 6, and 3 of the nozzle holes are
The cone angle θc of the combined spray for each hole is 7°≦
A fuel injection valve for a diesel engine, characterized in that the fuel injection valve is arranged such that θ c ≦12°, and the center angle θ p of two spray groups is formed such that 30°≦θ p ≦38°.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984139460U JPH0421009Y2 (en) | 1984-09-17 | 1984-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984139460U JPH0421009Y2 (en) | 1984-09-17 | 1984-09-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6155126U true JPS6155126U (en) | 1986-04-14 |
| JPH0421009Y2 JPH0421009Y2 (en) | 1992-05-13 |
Family
ID=30697839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984139460U Expired JPH0421009Y2 (en) | 1984-09-17 | 1984-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0421009Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013113096A (en) * | 2011-11-24 | 2013-06-10 | Mitsubishi Heavy Ind Ltd | Fuel injection device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5970874A (en) * | 1982-10-15 | 1984-04-21 | Mitsubishi Heavy Ind Ltd | Fuel injection valve for diesel engine |
-
1984
- 1984-09-17 JP JP1984139460U patent/JPH0421009Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5970874A (en) * | 1982-10-15 | 1984-04-21 | Mitsubishi Heavy Ind Ltd | Fuel injection valve for diesel engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013113096A (en) * | 2011-11-24 | 2013-06-10 | Mitsubishi Heavy Ind Ltd | Fuel injection device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0421009Y2 (en) | 1992-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6553960B1 (en) | Combustion system for direct injection diesel engines | |
| JPS6155126U (en) | ||
| JPH0428905B2 (en) | ||
| JP2562600Y2 (en) | Two-valve diesel engine | |
| JPS6319588Y2 (en) | ||
| JPH0475158U (en) | ||
| JPH0224066U (en) | ||
| JPS61140174U (en) | ||
| JPS6224020U (en) | ||
| JPH01152025U (en) | ||
| JPS61167474U (en) | ||
| JPH01124041U (en) | ||
| JPS62101066U (en) | ||
| JPS61178073U (en) | ||
| JPS63160373U (en) | ||
| JPS6178277U (en) | ||
| JPS6197531U (en) | ||
| JPS61198573U (en) | ||
| JPH01115841U (en) | ||
| JPH0269214U (en) | ||
| JPH01113132U (en) | ||
| JPS62105362U (en) | ||
| JPS6182030U (en) | ||
| JPH0437837U (en) | ||
| JPS6367735U (en) |