JPS58137804U - Engine cylinder head structure - Google Patents

Engine cylinder head structure

Info

Publication number
JPS58137804U
JPS58137804U JP3563482U JP3563482U JPS58137804U JP S58137804 U JPS58137804 U JP S58137804U JP 3563482 U JP3563482 U JP 3563482U JP 3563482 U JP3563482 U JP 3563482U JP S58137804 U JPS58137804 U JP S58137804U
Authority
JP
Japan
Prior art keywords
cylinder head
head structure
center
engine cylinder
combustion chamber
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
JP3563482U
Other languages
Japanese (ja)
Inventor
哲也 森田
Original Assignee
マツダ株式会社
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 マツダ株式会社 filed Critical マツダ株式会社
Priority to JP3563482U priority Critical patent/JPS58137804U/en
Publication of JPS58137804U publication Critical patent/JPS58137804U/en
Pending legal-status Critical Current

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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 the drawing]

第１図は従来のエンジンのシリンダヘッド構造の説明図
、第２図はこの考案の一実施例の断面図、第３図は第２
図の要部拡大図、第４図は上記実施例の説明図である。 １１・・・シリンダ、１３・・・シリンダヘッド、１６
・・・吸気ポート、１７・・・吸気バルブ、１８・・・
排気ポート、１９・・・排気バルブ、２３・・・バルブ
シート部材、２５・・・円錐状面取部。 第３図 第４図Fig. 1 is an explanatory diagram of the cylinder head structure of a conventional engine, Fig. 2 is a sectional view of an embodiment of this invention, and Fig. 3 is a cross-sectional view of an embodiment of the invention.
FIG. 4, which is an enlarged view of the main part of the figure, is an explanatory diagram of the above embodiment. 11...Cylinder, 13...Cylinder head, 16
...Intake port, 17...Intake valve, 18...
Exhaust port, 19... Exhaust valve, 23... Valve seat member, 25... Conical chamfer. Figure 3 Figure 4

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダヘッドに形成された吸気ポートおよび排気ポー
トに燃焼室壁面より窪ませて配設され、円錐状シート面
を有するバルブシート部材と、上記吸気ボートまたは排
気ポー＝トの少なくとも一方のボートの燃焼室側開口周
縁部に形成され、上記バルブシート部材の中心に対して
シリンダ中心方向へ所定量偏心しまた位置に中心を有す
る円錐状面取部とを備えたエンジンのシリンダヘッド構A valve seat member that is recessed from the wall surface of the combustion chamber and has a conical seat surface in an intake port and an exhaust port formed in the cylinder head, and a combustion chamber of at least one of the intake port and the exhaust port. A cylinder head structure for an engine comprising a conical chamfer formed on a side opening peripheral edge, eccentric by a predetermined amount toward the cylinder center with respect to the center of the valve seat member, and having a center at a position.
JP3563482U 1982-03-13 1982-03-13 Engine cylinder head structure Pending JPS58137804U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3563482U JPS58137804U (en) 1982-03-13 1982-03-13 Engine cylinder head structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3563482U JPS58137804U (en) 1982-03-13 1982-03-13 Engine cylinder head structure

Publications (1)

Publication Number Publication Date
JPS58137804U true JPS58137804U (en) 1983-09-16

Family

ID=30047096

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3563482U Pending JPS58137804U (en) 1982-03-13 1982-03-13 Engine cylinder head structure

Country Status (1)

Country Link
JP (1) JPS58137804U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS619524U (en) * 1984-06-20 1986-01-21 いすゞ自動車株式会社 Combustion chamber structure of internal combustion engine
WO2014128862A1 (en) * 2013-02-20 2014-08-28 三菱重工業株式会社 Cylinder head and engine
WO2023250150A1 (en) * 2022-06-24 2023-12-28 Cummins Inc. Cylinder head offset chamfer design

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5874816A (en) * 1981-10-29 1983-05-06 Nissan Motor Co Ltd Configuration of valve seat of cylinder head of internal- combustion engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5874816A (en) * 1981-10-29 1983-05-06 Nissan Motor Co Ltd Configuration of valve seat of cylinder head of internal- combustion engine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS619524U (en) * 1984-06-20 1986-01-21 いすゞ自動車株式会社 Combustion chamber structure of internal combustion engine
WO2014128862A1 (en) * 2013-02-20 2014-08-28 三菱重工業株式会社 Cylinder head and engine
CN104937249A (en) * 2013-02-20 2015-09-23 三菱重工业株式会社 Cylinder head and engine
US20150354494A1 (en) * 2013-02-20 2015-12-10 Mitsubishi Heavy Industries, Ltd. Cylinder head and engine
JPWO2014128862A1 (en) * 2013-02-20 2017-02-02 三菱重工業株式会社 Cylinder head and engine
WO2023250150A1 (en) * 2022-06-24 2023-12-28 Cummins Inc. Cylinder head offset chamfer design

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