JPS63143746U - - Google Patents
Info
- Publication number
- JPS63143746U JPS63143746U JP3670587U JP3670587U JPS63143746U JP S63143746 U JPS63143746 U JP S63143746U JP 3670587 U JP3670587 U JP 3670587U JP 3670587 U JP3670587 U JP 3670587U JP S63143746 U JPS63143746 U JP S63143746U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder head
- exhaust port
- exhaust
- ports
- communicate
- 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
- 238000005192 partition Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000000498 cooling water Substances 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図乃至第４図はこの考案の一実施例を示す
もので、第１図は排気ポートライナの斜視図、第
２図は同断面図、第３図および第４図はシリンダ
ヘツドに鋳込んだ状態の断面図、第５図はこの考
案の他の実施例を示す断面図、第６図は従来の排
気ポートライナの斜視図である。
７……シリンダヘツド、８……吸気口、１０…
…排気口、１１……排気ポートライナ、１３……
連通口、１６……逃げ部、１７……仕切り壁、１
８……冷却水路。
Figures 1 to 4 show one embodiment of this invention, in which Figure 1 is a perspective view of the exhaust port liner, Figure 2 is a sectional view of the same, and Figures 3 and 4 are molded in the cylinder head. FIG. 5 is a sectional view showing another embodiment of this invention, and FIG. 6 is a perspective view of a conventional exhaust port liner. 7...Cylinder head, 8...Intake port, 10...
...Exhaust port, 11...Exhaust port liner, 13...
Communication port, 16...Escape part, 17...Partition wall, 1
8... Cooling water channel.
Claims (1)
連通する２つの吸気口と２つの排気口を設け、少
なくとも前記排気口と連通する２つの排気口を有
する１本の排気ポートおよびその内周面に耐熱性
の高い材料からなる排気ポートライナを設けたシ
リンダヘツド構造において、前記２つの排気口の
近傍に位置する排気ポートライナの端部に逃げ部
を設け、この逃げ部にシリンダヘツド本体と一体
の仕切り壁を設け、この仕切り壁に冷却水路を設
けたことを特徴とするシリンダヘツド構造。 A cylinder head body made of cast metal is provided with two intake ports and two exhaust ports that communicate with the combustion chamber, and at least one exhaust port has two exhaust ports that communicate with the exhaust port, and its inner peripheral surface is heat-resistant. In a cylinder head structure provided with an exhaust port liner made of a highly durable material, a relief part is provided at the end of the exhaust port liner located near the two exhaust ports, and a partition integrated with the cylinder head body is provided in this relief part. A cylinder head structure characterized in that a wall is provided and a cooling waterway is provided in this partition wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3670587U JPS63143746U (en) | 1987-03-13 | 1987-03-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3670587U JPS63143746U (en) | 1987-03-13 | 1987-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63143746U true JPS63143746U (en) | 1988-09-21 |
Family
ID=30847360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3670587U Pending JPS63143746U (en) | 1987-03-13 | 1987-03-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63143746U (en) |
-
1987
- 1987-03-13 JP JP3670587U patent/JPS63143746U/ja active Pending