JPH01105725U - - Google Patents
Info
- Publication number
- JPH01105725U JPH01105725U JP20006287U JP20006287U JPH01105725U JP H01105725 U JPH01105725 U JP H01105725U JP 20006287 U JP20006287 U JP 20006287U JP 20006287 U JP20006287 U JP 20006287U JP H01105725 U JPH01105725 U JP H01105725U
- Authority
- JP
- Japan
- Prior art keywords
- curved groove
- cylinder
- combustion chamber
- cylinder head
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 5
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図は本考案エンジン燃焼室の一実施例を示
した要部縦断面図、第２図は第１図―線の矢
視図、第３図は本考案エンジン燃焼室におけるシ
リンダヘツド内面の構造を拡大して示した縦断面
図、第４図ａ，ｂは本考案エンジン燃焼室におけ
る曲溝を拡大して示した横断面図である。
１…シリンダ、２…シリンダボデイ、３…シリ
ンダヘツド、４…ピストン、５…点火プラグ、６
…吸入弁、７…排気弁、８…曲溝、８ａ…曲溝の
上り勾配部、８ｂ…曲溝の下り勾配部、９…突起
。
Fig. 1 is a vertical cross-sectional view of essential parts showing one embodiment of the engine combustion chamber of the invention, Fig. 2 is a view taken along the line shown in Fig. 1, and Fig. 3 is a view of the inner surface of the cylinder head in the engine combustion chamber of the invention. FIGS. 4A and 4B are enlarged longitudinal cross-sectional views of the structure, and FIGS. 4A and 4B are cross-sectional views showing enlarged curved grooves in the combustion chamber of the engine according to the present invention. 1...Cylinder, 2...Cylinder body, 3...Cylinder head, 4...Piston, 5...Spark plug, 6
... Suction valve, 7... Exhaust valve, 8... Curved groove, 8a... Upward slope part of curved groove, 8b... Downward slope part of curved groove, 9... Projection.
Claims (1)
いて、シリンダヘツド内面の一部には、その外周
から中心に向けて曲溝が設けられて、該曲溝の内
端側がシリンダの軸心部に向けて下降しており、
シリンダヘツド内面の他の一部には、上記曲溝の
内端側に位置して突起が設けられていることを特
徴とするエンジン燃焼室。 In a cylinder that constitutes the combustion chamber of an engine, a curved groove is provided on a part of the inner surface of the cylinder head from the outer periphery toward the center, and the inner end of the curved groove is directed toward the axis of the cylinder. It is descending;
An engine combustion chamber characterized in that another part of the inner surface of the cylinder head is provided with a protrusion located on the inner end side of the curved groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20006287U JPH01105725U (en) | 1987-12-30 | 1987-12-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20006287U JPH01105725U (en) | 1987-12-30 | 1987-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105725U true JPH01105725U (en) | 1989-07-17 |
Family
ID=31490489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20006287U Pending JPH01105725U (en) | 1987-12-30 | 1987-12-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01105725U (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53127906A (en) * | 1977-04-15 | 1978-11-08 | Suzuki Motor Co Ltd | Combustion chamber of four-stroke engine |
| JPS5927131B2 (en) * | 1976-01-14 | 1984-07-03 | 株式会社東芝 | Muting method in angular modulated wave demodulation circuit |
| JPS6027726A (en) * | 1983-07-26 | 1985-02-12 | Nissan Motor Co Ltd | Combustion chamber of internal-combustion engine |
| JPS606826B2 (en) * | 1976-12-24 | 1985-02-20 | ヤンマー農機株式会社 | Steering devices for mobile agricultural machinery, etc. |
| JPS6251719A (en) * | 1985-08-30 | 1987-03-06 | Yamaha Motor Co Ltd | Combustion chamber of 2-cycle engine |
-
1987
- 1987-12-30 JP JP20006287U patent/JPH01105725U/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5927131B2 (en) * | 1976-01-14 | 1984-07-03 | 株式会社東芝 | Muting method in angular modulated wave demodulation circuit |
| JPS606826B2 (en) * | 1976-12-24 | 1985-02-20 | ヤンマー農機株式会社 | Steering devices for mobile agricultural machinery, etc. |
| JPS53127906A (en) * | 1977-04-15 | 1978-11-08 | Suzuki Motor Co Ltd | Combustion chamber of four-stroke engine |
| JPS6027726A (en) * | 1983-07-26 | 1985-02-12 | Nissan Motor Co Ltd | Combustion chamber of internal-combustion engine |
| JPS6251719A (en) * | 1985-08-30 | 1987-03-06 | Yamaha Motor Co Ltd | Combustion chamber of 2-cycle engine |