JPS58134625U - Direct injection internal combustion engine piston - Google Patents

Direct injection internal combustion engine piston

Info

Publication number
JPS58134625U
JPS58134625U JP3106982U JP3106982U JPS58134625U JP S58134625 U JPS58134625 U JP S58134625U JP 3106982 U JP3106982 U JP 3106982U JP 3106982 U JP3106982 U JP 3106982U JP S58134625 U JPS58134625 U JP S58134625U
Authority
JP
Japan
Prior art keywords
combustion engine
internal combustion
injection internal
direct injection
engine piston
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
JP3106982U
Other languages
Japanese (ja)
Inventor
井上　隆三郎
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 JP3106982U priority Critical patent/JPS58134625U/en
Publication of JPS58134625U publication Critical patent/JPS58134625U/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) [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図は従来例の断面図、第２図Ａ、　Ｂはこの考案の
実施例の平面及び断面図、第３図Ａはその要部拡大断面
図、第３図Ｂは同図Ａの変形例を示す断面図である。Fig. 1 is a sectional view of a conventional example, Fig. 2 A and B are plan and sectional views of an embodiment of this invention, Fig. 3 A is an enlarged sectional view of its main part, and Fig. 3 B is a modification of Fig. A. It is a sectional view showing an example.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダ内を摺動するピストンとともに燃焼室を画成す
るシリンダヘッドに、燃焼室内に向けて直接燃料を噴射
する燃料噴射弁を設けた直接噴射式内燃機関にお（−で
、上記ピストンの上面に、噴霧燃料が耐着して生じたカ
ーボン層を堆積保持する浅い皿状の凹部を形成したこと
を特徴とする直接噴射式内燃機関のピストン。A direct-injection internal combustion engine is equipped with a fuel injection valve that injects fuel directly into the combustion chamber in a cylinder head that defines a combustion chamber together with a piston that slides inside the cylinder. A piston for a direct injection internal combustion engine, characterized in that a shallow dish-shaped recess is formed in which a carbon layer formed by adhesion of sprayed fuel is deposited and held.
JP3106982U 1982-03-05 1982-03-05 Direct injection internal combustion engine piston Pending JPS58134625U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3106982U JPS58134625U (en) 1982-03-05 1982-03-05 Direct injection internal combustion engine piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3106982U JPS58134625U (en) 1982-03-05 1982-03-05 Direct injection internal combustion engine piston

Publications (1)

Publication Number Publication Date
JPS58134625U true JPS58134625U (en) 1983-09-10

Family

ID=30042758

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3106982U Pending JPS58134625U (en) 1982-03-05 1982-03-05 Direct injection internal combustion engine piston

Country Status (1)

Country Link
JP (1) JPS58134625U (en)

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