JPS6282328U - - Google Patents
Info
- Publication number
- JPS6282328U JPS6282328U JP17515885U JP17515885U JPS6282328U JP S6282328 U JPS6282328 U JP S6282328U JP 17515885 U JP17515885 U JP 17515885U JP 17515885 U JP17515885 U JP 17515885U JP S6282328 U JPS6282328 U JP S6282328U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- outer periphery
- groove
- swirl
- piston
- 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 2
- 238000005452 bending Methods 0.000 claims 1
- 239000000446 fuel Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図は吸排気ポートの構造を示すシリンダの
平面説明図、第２図はこの考案の一実施例を示す
シリンダの垂直断面説明図、第３図は第２図のピ
ストンの側面を拡大して示す説明図、第４図は第
３図の平面図、第５図は従来のピストンの第４図
相当図である。
８……燃焼室、１５……ピストン、１６……上
面、１７，１８……バルブ逃し弁溝、１７ａ，１
８ａ……外周部、１９……連通溝、１９ａ……外
周部、２０……吸気弁用バルブ逃し弁溝、２１，
２２……バルブ逃し弁溝、２１ａ，２２ａ……外
周部、２３……連通溝、２３ａ……外周部、２４
……排気弁用バルブ逃し弁溝。
Fig. 1 is an explanatory plan view of a cylinder showing the structure of the intake and exhaust ports, Fig. 2 is an explanatory vertical cross-sectional view of the cylinder showing an embodiment of this invention, and Fig. 3 is an enlarged side view of the piston in Fig. 2. FIG. 4 is a plan view of FIG. 3, and FIG. 5 is a diagram corresponding to FIG. 4 of a conventional piston. 8...Combustion chamber, 15...Piston, 16...Top surface, 17, 18...Valve relief valve groove, 17a, 1
8a...Outer circumference, 19...Communication groove, 19a...Outer circumference, 20...Intake valve relief valve groove, 21,
22...Valve relief valve groove, 21a, 22a...Outer periphery, 23...Communication groove, 23a...Outer periphery, 24
...Valve relief valve groove for exhaust valve.
Claims (1)
ワールを生成させるスワール生成手段を備えた多
弁式エンジンにおいて、ピストン上面に設けた隣
接するバルブ逃し溝が連通溝を介し互に連通され
、且つ該連通溝の外周部が上記両バルブ逃し溝の
外周部とそれぞれ折曲することなく接続されたこ
とを特徴とする多弁式エンジンのピストントツプ
構造。 In a multi-valve engine equipped with a swirl generating means for generating a swirl in the cylinder center of the air-fuel mixture supplied to a combustion chamber, adjacent valve relief grooves provided on the upper surface of the piston are communicated with each other via a communication groove; A piston top structure for a multi-valve engine, characterized in that the outer periphery of the groove is connected to the outer periphery of each of the valve relief grooves without bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17515885U JPS6282328U (en) | 1985-11-13 | 1985-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17515885U JPS6282328U (en) | 1985-11-13 | 1985-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6282328U true JPS6282328U (en) | 1987-05-26 |
Family
ID=31114218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17515885U Pending JPS6282328U (en) | 1985-11-13 | 1985-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6282328U (en) |
-
1985
- 1985-11-13 JP JP17515885U patent/JPS6282328U/ja active Pending