JPS5857528U - Combustion chamber of direct injection internal combustion engine - Google Patents

Combustion chamber of direct injection internal combustion engine

Info

Publication number
JPS5857528U
JPS5857528U JP15219381U JP15219381U JPS5857528U JP S5857528 U JPS5857528 U JP S5857528U JP 15219381 U JP15219381 U JP 15219381U JP 15219381 U JP15219381 U JP 15219381U JP S5857528 U JPS5857528 U JP S5857528U
Authority
JP
Japan
Prior art keywords
direct injection
injection internal
combustion engine
internal combustion
combustion chamber
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
JP15219381U
Other languages
Japanese (ja)
Inventor
恒恭 宿屋
Original Assignee
日産ディーゼル工業株式会社
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 日産ディーゼル工業株式会社 filed Critical 日産ディーゼル工業株式会社
Priority to JP15219381U priority Critical patent/JPS5857528U/en
Publication of JPS5857528U publication Critical patent/JPS5857528U/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 drawings]

第１図は従来の直接噴射式内燃機関の燃焼室構造の一例
を示す断面図、第２図は本考案の第１実施例を示す断面
図、第３図は本考案の第２実施例を示す要部断面図、第
４図は本考案の第３実施例を示す斜視図である。 １１．３１・・・・・・ピストン、１２．２２．３４・
・・・・・キャビティ、１３・・・・・・シリンダヘッ
ド、１４゜２１．３３・・・・・・収部、１５・・・・
・・トップクリアランス。Fig. 1 is a sectional view showing an example of the combustion chamber structure of a conventional direct injection internal combustion engine, Fig. 2 is a sectional view showing the first embodiment of the present invention, and Fig. 3 is a sectional view showing the second embodiment of the present invention. FIG. 4 is a perspective view showing a third embodiment of the present invention. 11.31... Piston, 12.22.34.
...Cavity, 13...Cylinder head, 14°21.33...Accommodation part, 15...
...Top clearance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピストンキャビティのエツジ部分をシリンダヘッド方向
に突出させピストン上死点時シリンダヘッドとの間隙が
極小となる収部を設けたことを特徴とする直接噴射式内
燃機関の燃焼室。A combustion chamber for a direct injection internal combustion engine, characterized in that an edge portion of a piston cavity is provided with a recessed portion that protrudes toward the cylinder head so that a gap between the piston and the cylinder head at top dead center is extremely small.
JP15219381U 1981-10-15 1981-10-15 Combustion chamber of direct injection internal combustion engine Pending JPS5857528U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15219381U JPS5857528U (en) 1981-10-15 1981-10-15 Combustion chamber of direct injection internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15219381U JPS5857528U (en) 1981-10-15 1981-10-15 Combustion chamber of direct injection internal combustion engine

Publications (1)

Publication Number Publication Date
JPS5857528U true JPS5857528U (en) 1983-04-19

Family

ID=29944853

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15219381U Pending JPS5857528U (en) 1981-10-15 1981-10-15 Combustion chamber of direct injection internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5857528U (en)

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