JPS58142343U - internal combustion engine piston - Google Patents

internal combustion engine piston

Info

Publication number
JPS58142343U
JPS58142343U JP3713882U JP3713882U JPS58142343U JP S58142343 U JPS58142343 U JP S58142343U JP 3713882 U JP3713882 U JP 3713882U JP 3713882 U JP3713882 U JP 3713882U JP S58142343 U JPS58142343 U JP S58142343U
Authority
JP
Japan
Prior art keywords
piston
combustion engine
internal combustion
engine piston
crown
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
JP3713882U
Other languages
Japanese (ja)
Inventor
今城　実
丹下　昭二
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 JP3713882U priority Critical patent/JPS58142343U/en
Publication of JPS58142343U publication Critical patent/JPS58142343U/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図は従来の筒内燃料噴射式火花点火機関の要部概略
図、第２図は本考案の一実施例を示す断面図、第３図は
第２図の要部平面図である。 １１・・・・・・ピストン、１２・・・・・・凹部、１
３・・・・・・突起、１６・・・・・・クラウン、１７
・・・・・・空隙、１９・・・・・・燃焼室。FIG. 1 is a schematic view of the main parts of a conventional in-cylinder fuel injection type spark ignition engine, FIG. 2 is a sectional view showing an embodiment of the present invention, and FIG. 3 is a plan view of the main parts of FIG. 2. 11... Piston, 12... Concavity, 1
3... Protrusion, 16... Crown, 17
... air gap, 19 ... combustion chamber.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 頭部に燃焼室を有するアルミ製ピストンにおいて、燃焼
室壁を薄肉のスチール製クラウンにより形成璧で、該ク
ラウンをアルミ製ピストン本体に、これらの間に空隙を
保って固定し、更にクラウン底部の少なくとも１箇所を
、該クラウン又はピストンのいずれか一方に設けた突起
によりビス上ン本体と接して固定させるようにしたこと
を特徴とする内燃機関のピストン。In an aluminum piston having a combustion chamber in the head, the combustion chamber wall is formed by a thin steel crown, and the crown is fixed to the aluminum piston body with a gap maintained between them. A piston for an internal combustion engine, characterized in that at least one portion of the piston is fixed in contact with the screw top body by a projection provided on either the crown or the piston.
JP3713882U 1982-03-18 1982-03-18 internal combustion engine piston Pending JPS58142343U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3713882U JPS58142343U (en) 1982-03-18 1982-03-18 internal combustion engine piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3713882U JPS58142343U (en) 1982-03-18 1982-03-18 internal combustion engine piston

Publications (1)

Publication Number Publication Date
JPS58142343U true JPS58142343U (en) 1983-09-26

Family

ID=30048535

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3713882U Pending JPS58142343U (en) 1982-03-18 1982-03-18 internal combustion engine piston

Country Status (1)

Country Link
JP (1) JPS58142343U (en)

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