JPS5973532U - Piston for direct injection diesel engine - Google Patents

Piston for direct injection diesel engine

Info

Publication number
JPS5973532U
JPS5973532U JP16918982U JP16918982U JPS5973532U JP S5973532 U JPS5973532 U JP S5973532U JP 16918982 U JP16918982 U JP 16918982U JP 16918982 U JP16918982 U JP 16918982U JP S5973532 U JPS5973532 U JP S5973532U
Authority
JP
Japan
Prior art keywords
piston
diesel engine
direct injection
injection diesel
lip
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
JP16918982U
Other languages
Japanese (ja)
Other versions
JPS6231615Y2 (en
Inventor
幸雄 松井
Original Assignee
日産自動車株式会社
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 日産自動車株式会社 filed Critical 日産自動車株式会社
Priority to JP16918982U priority Critical patent/JPS5973532U/en
Publication of JPS5973532U publication Critical patent/JPS5973532U/en
Application granted granted Critical
Publication of JPS6231615Y2 publication Critical patent/JPS6231615Y2/ja
Granted legal-status Critical Current

Links

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ａ、　　ｂは、従来の直噴式ディーゼルエンジン
用ピストンの二側を示す図で、第１図ａは上面図、第１
図すは、そのＡ−Ａ線断面図、第２図ａ、　　ｂは、本
考案の同上ピストンの一実施例を示□す図で、第２図ａ
は上面図、第２図すは、そのＢ−Ｂ線断面図である。Figures 1a and 1b are views showing the two sides of a conventional piston for a direct injection diesel engine; Figure 1a is a top view;
The figure shows a sectional view taken along the line A-A, and Figures 2a and 2b show an embodiment of the same piston of the present invention.
2 is a top view, and FIG. 2 is a sectional view taken along the line B-B.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピストン頂部に穿設したピストン燃焼室キャビティの開
口部にリップを有し、かつピストン頂面に上記キャビテ
ィと連接するバルブリセスを設けたピストンにおいて、
前記バルブリセスと重合するリップ部分を、重合しない
他の部分より下降゛させて、リップの厚さが全周にわた
って実質的に均一になるように構成したことを特徴とす
る直接噴射式ディーゼルエンジン用ピストン。A piston that has a lip at the opening of a piston combustion chamber cavity formed at the top of the piston, and a valve recess that is connected to the cavity on the top surface of the piston,
A piston for a direct injection diesel engine, characterized in that the lip portion that overlaps with the valve recess is lowered than the other portion that does not overlap so that the thickness of the lip is substantially uniform over the entire circumference. .
JP16918982U 1982-11-10 1982-11-10 Piston for direct injection diesel engine Granted JPS5973532U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16918982U JPS5973532U (en) 1982-11-10 1982-11-10 Piston for direct injection diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16918982U JPS5973532U (en) 1982-11-10 1982-11-10 Piston for direct injection diesel engine

Publications (2)

Publication Number Publication Date
JPS5973532U true JPS5973532U (en) 1984-05-18
JPS6231615Y2 JPS6231615Y2 (en) 1987-08-13

Family

ID=30369679

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16918982U Granted JPS5973532U (en) 1982-11-10 1982-11-10 Piston for direct injection diesel engine

Country Status (1)

Country Link
JP (1) JPS5973532U (en)

Also Published As

Publication number Publication date
JPS6231615Y2 (en) 1987-08-13

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