JPS5884326U - Combustion chamber of direct injection internal combustion engine - Google Patents

Combustion chamber of direct injection internal combustion engine

Info

Publication number
JPS5884326U
JPS5884326U JP18032481U JP18032481U JPS5884326U JP S5884326 U JPS5884326 U JP S5884326U JP 18032481 U JP18032481 U JP 18032481U JP 18032481 U JP18032481 U JP 18032481U JP S5884326 U JPS5884326 U JP S5884326U
Authority
JP
Japan
Prior art keywords
combustion chamber
direct injection
injection internal
combustion engine
internal combustion
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
JP18032481U
Other languages
Japanese (ja)
Inventor
徳留　一利
Original Assignee
ヤンマーディーゼル株式会社
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 ヤンマーディーゼル株式会社 filed Critical ヤンマーディーゼル株式会社
Priority to JP18032481U priority Critical patent/JPS5884326U/en
Publication of JPS5884326U publication Critical patent/JPS5884326U/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]

第１図は従来の複合形態焼室を備えたピストンの一例を
示す斜視図、第２図は本考案の燃焼室を備えたピストン
の一例を示す縦断面図、第３図は同ピストンの平面図で
ある。　　。 １１・・・ピストン、１３・・・燃料噴射弁、１５・・
・噴口、１６・・・燃焼室、１７・・・上部燃焼室、１
８・・・中間部燃焼室、１８ａ、　１８ｂ、　１８Ｃ，
１８ｄ。 １９ａ、　　１９ｂ、　　１９ｃ、　　１９ｄ−・・角
部、１９−・・下部燃焼室。Fig. 1 is a perspective view showing an example of a piston equipped with a conventional composite combustion chamber, Fig. 2 is a longitudinal sectional view showing an example of a piston equipped with a combustion chamber of the present invention, and Fig. 3 is a plan view of the same piston. It is a diagram. . 11... Piston, 13... Fuel injection valve, 15...
・Nozzle port, 16... Combustion chamber, 17... Upper combustion chamber, 1
8... Intermediate combustion chamber, 18a, 18b, 18C,
18d. 19a, 19b, 19c, 19d-- corner portion, 19-- lower combustion chamber.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピストン上面に燃焼室を備え、かつ、該燃焼室に燃料噴
射弁の噴口を指向させた直噴式内燃機関において、前記
燃焼室をピストンの高さ方向に上部、中間部および下部
の三つの部分に分け、各部の横断面形状を上部は円形、
中間部は燃料噴射弁の噴口数と同数の多角形、下部は中
間部とその角部の位相が異なる多角形となしたことを特
徴とする直噴式内燃機関の燃焼室。In a direct injection internal combustion engine, which has a combustion chamber on the upper surface of the piston, and in which the nozzle of the fuel injection valve is directed toward the combustion chamber, the combustion chamber is divided into three parts in the height direction of the piston: an upper part, a middle part, and a lower part. The cross-sectional shape of each part is circular at the top,
A combustion chamber for a direct injection internal combustion engine, characterized in that the middle part is a polygon with the same number of nozzles of a fuel injection valve, and the lower part is a polygon with a phase difference between the middle part and its corner parts.
JP18032481U 1981-12-02 1981-12-02 Combustion chamber of direct injection internal combustion engine Pending JPS5884326U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18032481U JPS5884326U (en) 1981-12-02 1981-12-02 Combustion chamber of direct injection internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18032481U JPS5884326U (en) 1981-12-02 1981-12-02 Combustion chamber of direct injection internal combustion engine

Publications (1)

Publication Number Publication Date
JPS5884326U true JPS5884326U (en) 1983-06-08

Family

ID=29976813

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18032481U Pending JPS5884326U (en) 1981-12-02 1981-12-02 Combustion chamber of direct injection internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5884326U (en)

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