JPS6427427U - - Google Patents
Info
- Publication number
- JPS6427427U JPS6427427U JP12228787U JP12228787U JPS6427427U JP S6427427 U JPS6427427 U JP S6427427U JP 12228787 U JP12228787 U JP 12228787U JP 12228787 U JP12228787 U JP 12228787U JP S6427427 U JPS6427427 U JP S6427427U
- Authority
- JP
- Japan
- Prior art keywords
- valve seat
- cylinder head
- water jacket
- inner body
- intake
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は、本考案の一実施例に係るエンジンの
バルブシートの冷却構造の縦断面図、第２図は、
第１図のポート部内体の斜視図、第３図は、第２
図のポート部内体小体とバルブシートの分解斜視
図、第４図は、従来のエンジンのバルブシートの
冷却構造の縦断面図（実開昭５８―４５９１３の
中の図面を転載したもの）である。
１……バルブシート、３……ポート部内体、４
……燃焼室、６……シリンダヘツド、７……連通
路、１０……冷却水通路、１１……シリンダヘツ
ド本体、１２……吸気ポート、１３……排気ポー
ト、３１，３２，３３……ウオータジヤケツト。
FIG. 1 is a longitudinal sectional view of a cooling structure for an engine valve seat according to an embodiment of the present invention, and FIG.
Fig. 1 is a perspective view of the inner body of the port section, and Fig. 3 is a perspective view of the inner body of the port section.
Figure 4 is an exploded perspective view of the internal body of the port section and the valve seat, and Figure 4 is a vertical cross-sectional view of the cooling structure for the valve seat of a conventional engine (reproduced from the drawing in Utility Model Application Publication No. 58-45913). be. 1... Valve seat, 3... Port inner body, 4
... Combustion chamber, 6 ... Cylinder head, 7 ... Communication passage, 10 ... Cooling water passage, 11 ... Cylinder head body, 12 ... Intake port, 13 ... Exhaust port, 31, 32, 33 ... water jacket.
Claims (1)
るポート部内体がシリンダヘツド本体の中に配置
されてシリンダヘツドが出来ており、前記ポート
部内体の中にある吸排気ポートが燃焼室に開口す
る部分にはバルブシートが圧入によつて固定され
ており、該バルブシートの周囲には冷却水通路が
設けられており、該冷却水通路は連通路によつて
シリンダブロツクの中のウオータジヤケツトとシ
リンダヘツドの中のウオータジヤケツトとにそれ
ぞれ連通されていることを特徴とするエンジンの
バルブシートの冷却構造。 A port part inner body defining a combustion chamber and having intake and exhaust ports therein is placed inside a cylinder head body to form a cylinder head, and the intake and exhaust ports in the port part inner body open into the combustion chamber. A valve seat is fixed by press-fitting in the part where the valve seat is attached, and a cooling water passage is provided around the valve seat, and the cooling water passage is connected to the water jacket in the cylinder block by a communication passage. A cooling structure for a valve seat of an engine, characterized in that the valve seat is in communication with a water jacket in a cylinder head, and a water jacket in a cylinder head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12228787U JPS6427427U (en) | 1987-08-09 | 1987-08-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12228787U JPS6427427U (en) | 1987-08-09 | 1987-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6427427U true JPS6427427U (en) | 1989-02-16 |
Family
ID=31370077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12228787U Pending JPS6427427U (en) | 1987-08-09 | 1987-08-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6427427U (en) |
-
1987
- 1987-08-09 JP JP12228787U patent/JPS6427427U/ja active Pending