JPS6393412U - - Google Patents
Info
- Publication number
- JPS6393412U JPS6393412U JP18848186U JP18848186U JPS6393412U JP S6393412 U JPS6393412 U JP S6393412U JP 18848186 U JP18848186 U JP 18848186U JP 18848186 U JP18848186 U JP 18848186U JP S6393412 U JPS6393412 U JP S6393412U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust port
- wall
- unevenness
- combustion engine
- internal combustion
- 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 1
- 230000017525 heat dissipation Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図はこの考案の第１の実施例のシリンダヘ
ツドの断面図、第２図は第１図の―線方向か
らの拡大された断面図、第３図は第１図の下面図
、第４図は第２の実施例の排気ポートの断面図、
第５図乃至第７図はともに排気ポートの断面形状
の変形例を示す断面図である。
５……排気ポート、５ａ……外壁、１７……ウ
オータジヤケツト（放熱部）。
Figure 1 is a sectional view of the cylinder head of the first embodiment of this invention, Figure 2 is an enlarged sectional view taken from the - line direction of Figure 1, Figure 3 is a bottom view of Figure 1, and Figure 3 is a bottom view of Figure 1. Figure 4 is a cross-sectional view of the exhaust port of the second embodiment;
5 to 7 are sectional views showing modified examples of the cross-sectional shape of the exhaust port. 5...Exhaust port, 5a...Outer wall, 17...Water jacket (heat radiation part).
Claims (1)
ことを特徴とする内燃機関の排気ポート構造。 An exhaust port structure for an internal combustion engine, characterized in that an outer wall of the exhaust port facing a heat dissipation part is provided with unevenness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18848186U JPS6393412U (en) | 1986-12-09 | 1986-12-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18848186U JPS6393412U (en) | 1986-12-09 | 1986-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6393412U true JPS6393412U (en) | 1988-06-16 |
Family
ID=31139889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18848186U Pending JPS6393412U (en) | 1986-12-09 | 1986-12-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6393412U (en) |
-
1986
- 1986-12-09 JP JP18848186U patent/JPS6393412U/ja active Pending