JPS5894822U - Engine combustion chamber structure - Google Patents

Engine combustion chamber structure

Info

Publication number
JPS5894822U
JPS5894822U JP19076881U JP19076881U JPS5894822U JP S5894822 U JPS5894822 U JP S5894822U JP 19076881 U JP19076881 U JP 19076881U JP 19076881 U JP19076881 U JP 19076881U JP S5894822 U JPS5894822 U JP S5894822U
Authority
JP
Japan
Prior art keywords
bottom wall
combustion chamber
combustion
cylinder head
combustion recess
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.)
Granted
Application number
JP19076881U
Other languages
Japanese (ja)
Other versions
JPS632577Y2 (en
Inventor
皓二 浅海
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 JP19076881U priority Critical patent/JPS5894822U/en
Publication of JPS5894822U publication Critical patent/JPS5894822U/en
Application granted granted Critical
Publication of JPS632577Y2 publication Critical patent/JPS632577Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Valve-Gear Or Valve Arrangements (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Spark Plugs (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 the drawing]

第１図は本考案の燃焼室構造の実施例を示す要部の断面
図、第２図は第１図の■−■線から見たシリンダヘッド
部の底面図である。 １・・・シリンダブロック、１ａ・・・シリンダ孔、３
・・・シリンダヘッド、４・・・平面部、５・・・燃焼
凹部、５ａ・・・燃焼凹部底壁、５ｂ・・・燃焼凹部側
壁、７゜９・・・弁孔、１２・・・点火栓。FIG. 1 is a cross-sectional view of a main part showing an embodiment of the combustion chamber structure of the present invention, and FIG. 2 is a bottom view of the cylinder head section taken along the line ■--■ in FIG. 1... Cylinder block, 1a... Cylinder hole, 3
... Cylinder head, 4... Flat part, 5... Combustion recess, 5a... Combustion recess bottom wall, 5b... Combustion recess side wall, 7°9... Valve hole, 12... Spark plug.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 燃焼室の一部を形成するシリンダヘッド部に、ヘッド部
面積の５０％以上を占める平面部と、燃焼凹部とを備え
、上記平面部に吸、排気弁のうち一方の弁の弁孔を形成
し、上記燃焼凹部の底壁に他方の弁の弁孔を形成すると
共に該燃焼凹部に点火栓を臨ませ、かつ、ピストン頂面
を上記平面部と平行な平面としたエンジンにおいて、上
記燃焼凹部の底壁を、半径方向外方に向かうに従ってピ
ストン頂面に近付き、かつ、その延長線がシリンダ外周
縁近傍においてシリンダヘッド面と交叉するように傾斜
させる一方、該底壁を取囲む側壁を該底壁と９０°以上
の角度で交叉するようにシリンダヘッド面に対して傾斜
させたことを特徴とするエンジンの燃焼室構造。A cylinder head part forming a part of the combustion chamber is provided with a flat part occupying 50% or more of the area of the head part and a combustion recess, and a valve hole of one of the intake and exhaust valves is formed in the flat part. In an engine in which a valve hole for the other valve is formed in the bottom wall of the combustion recess, a spark plug faces the combustion recess, and the top surface of the piston is a flat plane parallel to the flat part, the combustion recess The bottom wall of the bottom wall is inclined so that it approaches the top surface of the piston as it goes radially outward, and its extension line intersects the cylinder head surface near the outer peripheral edge of the cylinder, while the side wall surrounding the bottom wall is A combustion chamber structure for an engine characterized by being inclined with respect to a cylinder head surface so as to intersect with a bottom wall at an angle of 90 degrees or more.
JP19076881U 1981-12-21 1981-12-21 Engine combustion chamber structure Granted JPS5894822U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19076881U JPS5894822U (en) 1981-12-21 1981-12-21 Engine combustion chamber structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19076881U JPS5894822U (en) 1981-12-21 1981-12-21 Engine combustion chamber structure

Publications (2)

Publication Number Publication Date
JPS5894822U true JPS5894822U (en) 1983-06-27
JPS632577Y2 JPS632577Y2 (en) 1988-01-22

Family

ID=30104277

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19076881U Granted JPS5894822U (en) 1981-12-21 1981-12-21 Engine combustion chamber structure

Country Status (1)

Country Link
JP (1) JPS5894822U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05296039A (en) * 1992-04-20 1993-11-09 Kawasaki Heavy Ind Ltd 4-cycle engine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5587819A (en) * 1978-12-27 1980-07-03 Nissan Motor Co Ltd Combustion chamber of internal combustion engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5587819A (en) * 1978-12-27 1980-07-03 Nissan Motor Co Ltd Combustion chamber of internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05296039A (en) * 1992-04-20 1993-11-09 Kawasaki Heavy Ind Ltd 4-cycle engine

Also Published As

Publication number Publication date
JPS632577Y2 (en) 1988-01-22

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