JPS59146529U - Combustion chamber structure of internal combustion engine - Google Patents

Combustion chamber structure of internal combustion engine

Info

Publication number
JPS59146529U
JPS59146529U JP2240084U JP2240084U JPS59146529U JP S59146529 U JPS59146529 U JP S59146529U JP 2240084 U JP2240084 U JP 2240084U JP 2240084 U JP2240084 U JP 2240084U JP S59146529 U JPS59146529 U JP S59146529U
Authority
JP
Japan
Prior art keywords
combustion chamber
flat
communication passage
cylinder head
raised portion
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
JP2240084U
Other languages
Japanese (ja)
Other versions
JPS6023462Y2 (en
Inventor
佐藤　勝次郎
猛 奥村
清 中西
Original Assignee
トヨタ自動車株式会社
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 トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP2240084U priority Critical patent/JPS6023462Y2/en
Publication of JPS59146529U publication Critical patent/JPS59146529U/en
Application granted granted Critical
Publication of JPS6023462Y2 publication Critical patent/JPS6023462Y2/en
Expired 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) [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図は本考案による内燃機関の側面断面図、第２図は
スキッシュ流の流速変化を示すグラフ、第３図は第１図
の別の実施例の側面断面図、第４図は第１図の更に別の
実施例の側面断面図、第５図は第４図のＩＸ−ＩＸ線に
沿ってみた断面図、である。 ６・・・・・・点火栓、７・・・・・・シリンダヘッド
隆起部、８・・・・・・隆起部下端面、９・・・・・・
ピストン−側平坦頂面部、１０・・・・・・ピストン隆
起部、１１・・・・・・隆起部背面、１２・・・・・・
隆起部正面、１３・・・・・・隆起部稜線、１７・・・
・・・副燃焼室、１８・・・・・・連通路、２０・・・
・・・主燃焼室。Fig. 1 is a side sectional view of an internal combustion engine according to the present invention, Fig. 2 is a graph showing changes in flow velocity of squish flow, Fig. 3 is a side sectional view of another embodiment of Fig. FIG. 5 is a side sectional view of still another embodiment of the figure, and FIG. 5 is a sectional view taken along line IX-IX in FIG. 4. 6... Spark plug, 7... Cylinder head raised portion, 8... Lower end surface of raised part, 9...
Piston-side flat top surface part, 10... Piston raised part, 11... Back side of raised part, 12...
Front of raised part, 13... Ridge line of raised part, 17...
... Sub-combustion chamber, 18... Communication passage, 20...
...Main combustion chamber.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 主燃焼室を郭成するシリンダヘッド内壁の一側部に下方
突出の第１隆起部を形成し、該第１隆起部の下端面を平
坦に形成して該平坦下端面とピストンの一側平坦頂面部
間に平面状の第１スキツシユエリアを形成すると共に該
平坦頂面部と反対側のピストン頂面上に第２隆起部を形
成し、該第２隆起部の背面をシリンダヘッド内壁と相補
的形状をなす様に形成してシリンダヘッドの内壁面と上
記隆起部背面間に第２スキツシユエリアを形成し、更に
連通路を介して上記主燃焼室内にのみ連結された副燃焼
室をシリンダヘッド内に形成して該連通路を上記第１隆
起部の上方近傍において主燃焼室内に開口せしめ、該連
通路の開口を上記第２スキツシユエリアの延長上に配置
した内燃機関の燃焼室構造。A first protrusion protruding downward is formed on one side of the inner wall of the cylinder head defining the main combustion chamber, and the lower end surface of the first protrusion is formed flat so that the flat lower end surface and one side of the piston are flat. A first planar squish area is formed between the top surface portions, and a second raised portion is formed on the top surface of the piston opposite to the flat top surface portion, and the back surface of the second raised portion is complementary to the inner wall of the cylinder head. A second squeezing area is formed between the inner wall surface of the cylinder head and the rear surface of the raised portion, and an auxiliary combustion chamber is connected only to the main combustion chamber through a communication passage. A combustion chamber structure for an internal combustion engine, wherein the communication passage is formed in the head and opens into the main combustion chamber near the upper part of the first protrusion, and the opening of the communication passage is arranged on an extension of the second squish area. .
JP2240084U 1984-02-21 1984-02-21 Combustion chamber structure of internal combustion engine Expired JPS6023462Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2240084U JPS6023462Y2 (en) 1984-02-21 1984-02-21 Combustion chamber structure of internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2240084U JPS6023462Y2 (en) 1984-02-21 1984-02-21 Combustion chamber structure of internal combustion engine

Publications (2)

Publication Number Publication Date
JPS59146529U true JPS59146529U (en) 1984-09-29
JPS6023462Y2 JPS6023462Y2 (en) 1985-07-12

Family

ID=30153496

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2240084U Expired JPS6023462Y2 (en) 1984-02-21 1984-02-21 Combustion chamber structure of internal combustion engine

Country Status (1)

Country Link
JP (1) JPS6023462Y2 (en)

Also Published As

Publication number Publication date
JPS6023462Y2 (en) 1985-07-12

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