JPS5840522U - Combustion chamber of internal combustion engine - Google Patents
Combustion chamber of internal combustion engineInfo
- Publication number
- JPS5840522U JPS5840522U JP13370181U JP13370181U JPS5840522U JP S5840522 U JPS5840522 U JP S5840522U JP 13370181 U JP13370181 U JP 13370181U JP 13370181 U JP13370181 U JP 13370181U JP S5840522 U JPS5840522 U JP S5840522U
- Authority
- JP
- Japan
- Prior art keywords
- polygon
- combustion chamber
- combustion engine
- internal combustion
- corner
- 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
- Combustion Methods Of Internal-Combustion Engines (AREA)
- 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図は従来の直接噴射式ディーゼル機関の燃 ′
焼室を示す断面図、第２図は本考案による１実施例の燃
焼室を設けたピストンを示す上面図、第３図は第２図の
■−■矢視断面図、第４図は第２図のＩＶ−ＩＶ矢視断
面図である。
０１・・・・・・ピストン、２０・・・・・・燃焼室、
７０・・・・・・ −燃料噴射方向、ｒ１＋ ｒ
２・・・・・・多角形の隅角部を形成する円弧の半径。Figure 1 shows the fuel consumption of a conventional direct injection diesel engine.
2 is a top view showing a piston equipped with a combustion chamber according to one embodiment of the present invention; FIG. 3 is a sectional view taken along the line ■-■ of FIG. 2; and FIG. FIG. 2 is a sectional view taken along the line IV-IV in FIG. 2; 01... Piston, 20... Combustion chamber,
70... - fuel injection direction, r1+ r
2...Radius of the arc forming the corner of the polygon.
Claims (1)
トンに形成される燃焼室のピストン上面への開口部形状
を上記燃料噴射弁の噴口数と同数の辺を有する多角形に
また同燃焼室の底面形状を上記多角形と同数の辺を有し
かつ同多角形と周方向に偏位した多角形に形成すると共
に、上記同多角形の各隅角部部は円弧状に形成され上記
開口部多角形の各隅角部を形成する円弧の半径を上記底
面部多角形の各隅角部を形成する円弧の半径よりも大き
くしたことを特徴とする内燃機関の燃焼室。In a direct injection internal combustion engine having a fuel injection valve, the shape of the opening of the combustion chamber formed in the piston to the top surface of the piston is a polygon having the same number of sides as the number of nozzles of the fuel injection valve, and the bottom surface of the combustion chamber is The shape is formed into a polygon having the same number of sides as the polygon and offset in the circumferential direction from the polygon, and each corner of the polygon is formed into an arc shape to form the opening polygon. A combustion chamber for an internal combustion engine, characterized in that the radius of the circular arc forming each corner of the polygon is larger than the radius of the circular arc forming each corner of the bottom polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13370181U JPS5840522U (en) | 1981-09-10 | 1981-09-10 | Combustion chamber of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13370181U JPS5840522U (en) | 1981-09-10 | 1981-09-10 | Combustion chamber of internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5840522U true JPS5840522U (en) | 1983-03-17 |
Family
ID=29927149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13370181U Pending JPS5840522U (en) | 1981-09-10 | 1981-09-10 | Combustion chamber of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5840522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011185242A (en) * | 2010-03-11 | 2011-09-22 | Isuzu Motors Ltd | Diesel engine combustion chamber |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5264515A (en) * | 1975-11-25 | 1977-05-28 | Komatsu Ltd | Combustion chamber of engine |
| JPS5617319B2 (en) * | 1975-03-19 | 1981-04-21 |
-
1981
- 1981-09-10 JP JP13370181U patent/JPS5840522U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5617319B2 (en) * | 1975-03-19 | 1981-04-21 | ||
| JPS5264515A (en) * | 1975-11-25 | 1977-05-28 | Komatsu Ltd | Combustion chamber of engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011185242A (en) * | 2010-03-11 | 2011-09-22 | Isuzu Motors Ltd | Diesel engine combustion chamber |
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