JPS615305U - engine cylinder head - Google Patents

engine cylinder head

Info

Publication number
JPS615305U
JPS615305U JP8935584U JP8935584U JPS615305U JP S615305 U JPS615305 U JP S615305U JP 8935584 U JP8935584 U JP 8935584U JP 8935584 U JP8935584 U JP 8935584U JP S615305 U JPS615305 U JP S615305U
Authority
JP
Japan
Prior art keywords
valve
cylinder
intake
cylinder head
engine cylinder
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
JP8935584U
Other languages
Japanese (ja)
Inventor
亨 吉村
博通 尾藤
真一郎 北田
Original Assignee
日産自動車株式会社
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 日産自動車株式会社 filed Critical 日産自動車株式会社
Priority to JP8935584U priority Critical patent/JPS615305U/en
Publication of JPS615305U publication Critical patent/JPS615305U/en
Pending legal-status Critical Current

Links

Landscapes

  • Valve-Gear Or Valve Arrangements (AREA)
  • Combustion Methods 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、第2図及び第3図はこの考案の一実施例を示す
図であって、第1図はシリンダヘッドを下面から見た吸
、排気バルブロの配置図、第2図は各シリンダの中央部
に位置するバルブ交角の大きな吸気バルブの断面図、第
3図は各シリンダの両端部に位置するバルブ交角の小さ
な吸気バルブの断面図、第4図は1シリンダ当り3個の
カムノーズを有する吸気バルブ用カムシャフトの部分図
、第5図は3個の吸気バルブのタイミングを同一にした
場合のカムノーズの位置関係図で第5A図は第4図のA
−A線断面図、第5Bは第4図のB−B線断面図、第5
C図は第4図のC−C線断面図である。 第6図は他の実施例を示し、第1図に相当するものであ
る。 第7図はさらに他の実施例を示し、第1図に相当するも
のであり、第8図は第7図の吸気ポートの中心で切断し
た断面図、第9図は吸気通路遮断装置の詳細説明図、第
10図は吸気通路遮断弁のコントロール方法を示す一実
施例の説明図である。 1・・・・・・シリングヘッド、3・・・・・・燃焼室
、8,9・・・・・・吸気バルブロ、10.11・・・
・・・排気パルブ口、13,14・・・・・・吸気ポー
ト、15.16・・・・・・排気ポート、θ10バルブ
交角、23・・・・・・カムシャフト、24.52・・
・・・・シム、25.53・・・・・・バルブリフタ、
40・・・・・・吸気バルブ、43,51・・・・・・
カムノーズ、46・・・・・・吸気通路遮断弁、59・
・・・・・点火栓、60・・・・・・吸気バルブ、85
・・・・・・アクチュエータ。
Figures 1, 2 and 3 are diagrams showing one embodiment of this invention, in which Figure 1 is a layout of the intake and exhaust valves seen from the bottom of the cylinder head, and Figure 2 is a diagram showing the arrangement of the intake and exhaust valves for each cylinder. Figure 3 is a cross-sectional view of the intake valve with a large valve intersection angle located in the center of the cylinder, Figure 3 is a cross-sectional view of the intake valve with a small valve intersection angle located at both ends of each cylinder, and Figure 4 shows three cam noses per cylinder. FIG. 5 is a partial view of the camshaft for intake valves, and FIG. 5 is a positional relationship diagram of the cam nose when the timing of the three intake valves is the same, and FIG.
-A sectional view, 5B is a BB sectional view of Fig. 4, 5th
Figure C is a sectional view taken along the line CC in Figure 4. FIG. 6 shows another embodiment, which corresponds to FIG. 1. FIG. 7 shows still another embodiment, which corresponds to FIG. 1, and FIG. 8 is a sectional view taken at the center of the intake port in FIG. 7, and FIG. 9 shows details of the intake passage blocking device. An explanatory diagram, FIG. 10, is an explanatory diagram of an embodiment showing a method of controlling an intake passage cutoff valve. 1... Schilling head, 3... Combustion chamber, 8, 9... Intake valve holder, 10.11...
...Exhaust valve port, 13,14...Intake port, 15.16...Exhaust port, θ10 valve intersection angle, 23...Camshaft, 24.52...
...Shim, 25.53...Valve lifter,
40... Intake valve, 43, 51...
Cam nose, 46...Intake passage cutoff valve, 59.
...Spark plug, 60...Intake valve, 85
...actuator.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダ当り複数の吸排気パルブを備えたダブルオーバ
ヘッド力ムシャフトエンジンにおいて、各シリンダの列
方向中央部に配設したバルブのバルブ交角をシリンダの
両端部に配設した他の複数のバルブのパルブ交角より小
なるように各バルブを配置したことを特徴とするエンジ
ンのシリンダヘッド。
In a double overhead force shaft engine with multiple intake and exhaust valves per cylinder, the valve intersection angle of the valve arranged at the center in the row direction of each cylinder is the valve intersection angle of the other plural valves arranged at both ends of the cylinder. An engine cylinder head characterized by having each valve arranged so as to be smaller.
JP8935584U 1984-06-18 1984-06-18 engine cylinder head Pending JPS615305U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8935584U JPS615305U (en) 1984-06-18 1984-06-18 engine cylinder head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8935584U JPS615305U (en) 1984-06-18 1984-06-18 engine cylinder head

Publications (1)

Publication Number Publication Date
JPS615305U true JPS615305U (en) 1986-01-13

Family

ID=30643350

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8935584U Pending JPS615305U (en) 1984-06-18 1984-06-18 engine cylinder head

Country Status (1)

Country Link
JP (1) JPS615305U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03124903A (en) * 1989-10-09 1991-05-28 Yamaha Motor Co Ltd Four-cycle engine
JP5909307B1 (en) * 2015-12-26 2016-04-26 康仁 矢尾板 Engine with improved knock resistance

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57176311A (en) * 1981-04-22 1982-10-29 Yamaha Motor Co Ltd Four-cycle engine
JPS58113512A (en) * 1981-12-28 1983-07-06 Yamaha Motor Co Ltd 4-cycle engine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57176311A (en) * 1981-04-22 1982-10-29 Yamaha Motor Co Ltd Four-cycle engine
JPS58113512A (en) * 1981-12-28 1983-07-06 Yamaha Motor Co Ltd 4-cycle engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03124903A (en) * 1989-10-09 1991-05-28 Yamaha Motor Co Ltd Four-cycle engine
JP5909307B1 (en) * 2015-12-26 2016-04-26 康仁 矢尾板 Engine with improved knock resistance
JP2017115846A (en) * 2015-12-26 2017-06-29 康仁 矢尾板 Engine with improved anti-knocking characteristic

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