JPS5830724U - Cylinder head of overhead 4-valve engine - Google Patents

Cylinder head of overhead 4-valve engine

Info

Publication number
JPS5830724U
JPS5830724U JP12471581U JP12471581U JPS5830724U JP S5830724 U JPS5830724 U JP S5830724U JP 12471581 U JP12471581 U JP 12471581U JP 12471581 U JP12471581 U JP 12471581U JP S5830724 U JPS5830724 U JP S5830724U
Authority
JP
Japan
Prior art keywords
cylinder head
intake
overhead
port
valve engine
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
JP12471581U
Other languages
Japanese (ja)
Inventor
藤川　茂
Original Assignee
株式会社小松製作所
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 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP12471581U priority Critical patent/JPS5830724U/en
Publication of JPS5830724U publication Critical patent/JPS5830724U/en
Pending legal-status Critical Current

Links

Landscapes

  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Characterised By The Charging Evacuation (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) [Abstract] 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図は従来のシリンダヘッドの平面図、第２図は同端
面図、第３図はこの考案の一実施例になるシリンダヘッ
ドの平面図、第４図は同端面図である。 １はシリンダヘッド本体、２は吸気弁、３は排気弁、４
は吸気ポート、６は排気ポート。FIG. 1 is a plan view of a conventional cylinder head, FIG. 2 is an end view thereof, FIG. 3 is a plan view of a cylinder head according to an embodiment of the invention, and FIG. 4 is an end view thereof. 1 is the cylinder head body, 2 is the intake valve, 3 is the exhaust valve, 4
is the intake port, and 6 is the exhaust port.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダヘッド本体１内に、各シリンタ毎に２個の吸気
弁２と２個の排気弁３及び各吸気弁２と排気弁３に通じ
る吸気ポート４、排気ポート６を設けたものにおいて、
上記吸気ポート４の入口側を、シリンダヘッド本体１端
面において上下２段に分岐して、吸気入口面積を小さく
すると共に、各吸気ポート−４の吸気弁２側をスパイラ
ルポートにしてなる頭上４弁式エンジンのシリンダヘッ
ド。In a cylinder head body 1 provided with two intake valves 2 and two exhaust valves 3 for each cylinder, and an intake port 4 and an exhaust port 6 communicating with each intake valve 2 and exhaust valve 3,
The inlet side of the intake port 4 is branched into two stages, upper and lower, at the end surface of the cylinder head main body 1 to reduce the intake inlet area, and the intake valve 2 side of each intake port 4 is made into a spiral port, resulting in 4 overhead valves. Cylinder head of a formula engine.
JP12471581U 1981-08-25 1981-08-25 Cylinder head of overhead 4-valve engine Pending JPS5830724U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12471581U JPS5830724U (en) 1981-08-25 1981-08-25 Cylinder head of overhead 4-valve engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12471581U JPS5830724U (en) 1981-08-25 1981-08-25 Cylinder head of overhead 4-valve engine

Publications (1)

Publication Number Publication Date
JPS5830724U true JPS5830724U (en) 1983-02-28

Family

ID=29918575

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12471581U Pending JPS5830724U (en) 1981-08-25 1981-08-25 Cylinder head of overhead 4-valve engine

Country Status (1)

Country Link
JP (1) JPS5830724U (en)

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