JPS58113806U - Valve seat device for intake and exhaust valves - Google Patents
Valve seat device for intake and exhaust valvesInfo
- Publication number
- JPS58113806U JPS58113806U JP1008982U JP1008982U JPS58113806U JP S58113806 U JPS58113806 U JP S58113806U JP 1008982 U JP1008982 U JP 1008982U JP 1008982 U JP1008982 U JP 1008982U JP S58113806 U JPS58113806 U JP S58113806U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- valve seat
- seat
- outer diameter
- valve
- 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
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来の内燃機関の要部縦断面図、第2図は第1
図の/<ルブシート要部拡大の縦断面図、第3図は本考
案の一実施例におけるバルブシート要部拡大の縦断面図
、第4−A図はバルブシートの面取角度を30°程度に
した場合のバルブシート要部拡大の縦断面図、そして第
4二B図はバルブシートの面取角度を15°程度にした
場合のバルブシート要部拡大の縦断面図である。
3・・・燃焼室、4・・・吸排気弁、4A・・・シート
面、訃・・シリンダヘッド、9・・・バルブシート、9
A・・・シート面、9B・・・対向面、d、、 d、・
・・外径、S・・・面幅、θS・・・面取角度。Figure 1 is a vertical cross-sectional view of the main parts of a conventional internal combustion engine, and Figure 2 is a vertical cross-sectional view of the main parts of a conventional internal combustion engine.
Figure 3 is an enlarged vertical cross-sectional view of the main part of the valve seat in an embodiment of the present invention, and Figure 4-A shows the chamfer angle of the valve seat of approximately 30 degrees. Fig. 42B is an enlarged vertical sectional view of the main part of the valve seat when the chamfer angle of the valve seat is about 15 degrees. 3...Combustion chamber, 4...Intake and exhaust valve, 4A...Seat surface, butt...Cylinder head, 9...Valve seat, 9
A... Sheet surface, 9B... Opposing surface, d,, d,...
...outer diameter, S...face width, θS...chamfer angle.
Claims (1)
いて、そのバルブシートのシート面の外径を該吸排気弁
のシート面の外径より−も大きく形成すると共に、該バ
ルブシートの燃焼室への対向面の面幅を極く小さくし、
更に該シリンダヘッドの該バルブシート嵌着部周囲の面
取り部の面取角度を、15°から30°の範囲に設定し
たことを特徴とする吸排気弁のバルブシート装置。In the valve seat of the intake/exhaust valve fitted in the cylinder head, the outer diameter of the seat surface of the valve seat is formed to be larger than the outer diameter of the seat surface of the intake/exhaust valve, and the outer diameter of the seat surface of the valve seat is formed to be larger than the outer diameter of the seat surface of the intake/exhaust valve. The width of the facing surface is made extremely small,
A valve seat device for an intake and exhaust valve, further comprising: a chamfer angle of a chamfered portion around the valve seat fitting portion of the cylinder head set in a range of 15° to 30°.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1008982U JPS58113806U (en) | 1982-01-29 | 1982-01-29 | Valve seat device for intake and exhaust valves |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1008982U JPS58113806U (en) | 1982-01-29 | 1982-01-29 | Valve seat device for intake and exhaust valves |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58113806U true JPS58113806U (en) | 1983-08-03 |
Family
ID=30022751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1008982U Pending JPS58113806U (en) | 1982-01-29 | 1982-01-29 | Valve seat device for intake and exhaust valves |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58113806U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5611308B2 (en) * | 1976-11-15 | 1981-03-13 |
-
1982
- 1982-01-29 JP JP1008982U patent/JPS58113806U/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5611308B2 (en) * | 1976-11-15 | 1981-03-13 |
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