JPS58113806U - Valve seat device for intake and exhaust valves - Google Patents

Valve seat device for intake and exhaust valves

Info

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
Application number
JP1008982U
Other languages
Japanese (ja)
Inventor
昌史 高田
佐々木 孔洋
Original Assignee
ヤンマーディーゼル株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ヤンマーディーゼル株式会社 filed Critical ヤンマーディーゼル株式会社
Priority to JP1008982U priority Critical patent/JPS58113806U/en
Publication of JPS58113806U publication Critical patent/JPS58113806U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダヘッドに嵌着した吸排気弁のバルブシートにお
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°.
JP1008982U 1982-01-29 1982-01-29 Valve seat device for intake and exhaust valves Pending JPS58113806U (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611308B2 (en) * 1976-11-15 1981-03-13

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611308B2 (en) * 1976-11-15 1981-03-13

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