JPS595720U - engine structure - Google Patents

engine structure

Info

Publication number
JPS595720U
JPS595720U JP10094582U JP10094582U JPS595720U JP S595720 U JPS595720 U JP S595720U JP 10094582 U JP10094582 U JP 10094582U JP 10094582 U JP10094582 U JP 10094582U JP S595720 U JPS595720 U JP S595720U
Authority
JP
Japan
Prior art keywords
combustion chamber
valve port
piston
recess
passage
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
JP10094582U
Other languages
Japanese (ja)
Inventor
光夫 人見
長尾　彰士
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 JP10094582U priority Critical patent/JPS595720U/en
Publication of JPS595720U publication Critical patent/JPS595720U/en
Pending legal-status Critical Current

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  • 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 the drawing]

図面は本考案の実施態様を例示するもので、第１図は実
施例１に係るコンジン構造を示す断面図、第２図は第１
図の■−■線におけるシリンダヘッドの底面図、第３図
は実施例２に係るエンジン構造を示す断面図、第４図は
第３図のＩＶ−ＩＶ線におけるシリンダヘッドの底面図
である。 １・・・シリンダブロック、２・・・ピストン、４・・
・シリンダヘッド、４ａ・・・凹所、５・・・燃焼室、
６・・・スキッシュゾーン、８・・・排気ポート、１ｏ
・・・吸気ポート、１２・・・吸気通路、１３・・・冷
却水通路、１４・・・ブリッジ部、２１・・・主吸気通
路、２２・・・副吸気通路。The drawings illustrate embodiments of the present invention, and FIG. 1 is a cross-sectional view showing a conduit structure according to Embodiment 1, and FIG.
FIG. 3 is a sectional view showing the engine structure according to the second embodiment, and FIG. 4 is a bottom view of the cylinder head taken along line IV--IV in FIG. 3. 1... Cylinder block, 2... Piston, 4...
・Cylinder head, 4a... recess, 5... combustion chamber,
6...Squish zone, 8...Exhaust port, 1o
...Intake port, 12...Intake passage, 13...Cooling water passage, 14...Bridge portion, 21...Main intake passage, 22...Sub-intake passage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピストン上面に対向するシリンダヘッド内壁に部分的に
凹所を設け、ピストンが上死点にあるときのシリンダヘ
ッド内壁とピストン上面との間に、前記凹所によりなる
燃焼室と微少間隙のスキッシュゾーンとが形成され、該
燃焼室およびスキッシュゾーンにバルブポートがそれぞ
れ開口する構造において、前記スキッシュゾーンに開口
するバルブポートに連通する通路が該バルブポートから
離隔するにつれて燃焼室から遠ざかるように配設され、
該バルブポートと燃焼室との間におけるブリッジ部に冷
却水を導く冷却水通路が設けられたことを特徴とするエ
ンジン構造。A recess is partially provided in the inner wall of the cylinder head facing the upper surface of the piston, and a squish zone is created between the inner wall of the cylinder head and the upper surface of the piston when the piston is at the top dead center, and has a small gap between the combustion chamber and the recess formed by the recess. and a structure in which a valve port opens into the combustion chamber and the squish zone, respectively, wherein a passage communicating with the valve port opening into the squish zone is arranged so as to move away from the combustion chamber as the passage is spaced apart from the valve port. ,
An engine structure characterized in that a cooling water passage for guiding cooling water is provided in a bridge portion between the valve port and the combustion chamber.
JP10094582U 1982-07-02 1982-07-02 engine structure Pending JPS595720U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10094582U JPS595720U (en) 1982-07-02 1982-07-02 engine structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10094582U JPS595720U (en) 1982-07-02 1982-07-02 engine structure

Publications (1)

Publication Number Publication Date
JPS595720U true JPS595720U (en) 1984-01-14

Family

ID=30238584

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10094582U Pending JPS595720U (en) 1982-07-02 1982-07-02 engine structure

Country Status (1)

Country Link
JP (1) JPS595720U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60153844U (en) * 1984-03-24 1985-10-14 マツダ株式会社 engine cylinder head
JPS60153845U (en) * 1984-03-24 1985-10-14 マツダ株式会社 Engine cooling structure
JPS60159849U (en) * 1984-04-02 1985-10-24 マツダ株式会社 engine cooling system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50107309A (en) * 1974-01-30 1975-08-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50107309A (en) * 1974-01-30 1975-08-23

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60153844U (en) * 1984-03-24 1985-10-14 マツダ株式会社 engine cylinder head
JPS60153845U (en) * 1984-03-24 1985-10-14 マツダ株式会社 Engine cooling structure
JPS60159849U (en) * 1984-04-02 1985-10-24 マツダ株式会社 engine cooling system

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