JPS60187346U - internal combustion engine piston crown - Google Patents

internal combustion engine piston crown

Info

Publication number
JPS60187346U
JPS60187346U JP7463084U JP7463084U JPS60187346U JP S60187346 U JPS60187346 U JP S60187346U JP 7463084 U JP7463084 U JP 7463084U JP 7463084 U JP7463084 U JP 7463084U JP S60187346 U JPS60187346 U JP S60187346U
Authority
JP
Japan
Prior art keywords
combustion engine
internal combustion
piston crown
cooling
contact surface
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
JP7463084U
Other languages
Japanese (ja)
Inventor
博行 岡部
孝雄 田中
慎一 三宅
Original Assignee
三井造船株式会社
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 三井造船株式会社 filed Critical 三井造船株式会社
Priority to JP7463084U priority Critical patent/JPS60187346U/en
Publication of JPS60187346U publication Critical patent/JPS60187346U/en
Pending legal-status Critical Current

Links

Landscapes

  • Pistons, Piston Rings, And Cylinders (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 drawings]

第１図ないし第４図の各図はいずれも本考案の実施例に
係るピストン冠を示し、各図のａ図は縦断面図、ｂ図は
透視平面図である。 ゛　１・・・ピストン冠、２・・・燃焼室壁、３・・・
触火面、４・・・冷却面、７〜１１・・・冷却用孔。Each of the figures in FIGS. 1 to 4 shows a piston crown according to an embodiment of the present invention, in which figure a is a longitudinal sectional view and figure b is a perspective plan view.゛ 1... Piston crown, 2... Combustion chamber wall, 3...
Contact surface, 4... Cooling surface, 7-11... Cooling hole.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）燃焼室壁に、放射方向に延在し、かつ冷却面の中
心寄の部分と冷却面の周部とに開口する冷却用孔を複数
個設けたことを特徴とする内燃機関のピストン冠。(1) A piston of an internal combustion engine characterized in that a plurality of cooling holes are provided in the combustion chamber wall, extending in the radial direction and opening in a portion near the center of the cooling surface and a peripheral portion of the cooling surface. crown. （２）前記冷却用孔は、その途中の部分が触火面に最も
接近しており、前記中心寄の開口からこの触火面に最も
接近した部分にかけて次第に触火面に接近していること
を特徴とする実用新案登録請求の範囲第１項に記載の内
燃機関のピストン冠。(2) The midway portion of the cooling hole is closest to the contact surface, and the cooling hole gradually approaches the contact surface from the opening near the center to the portion closest to the contact surface. A piston crown for an internal combustion engine according to claim 1, which is characterized by: （３）ピストン冠軸方向と直交する面に投影した前記冷
却用孔の径が、前記中心寄の開口から放射、方向へ次第
に太き（なっていることを特徴とする実用新案登録請求
の範囲第１項又は第２項に記載の内燃機関のピストン冠
。(3) The scope of the utility model registration claim characterized in that the diameter of the cooling hole projected on a plane orthogonal to the piston crown axis direction gradually increases in radial direction from the central opening. A piston crown for an internal combustion engine according to item 1 or 2.
JP7463084U 1984-05-22 1984-05-22 internal combustion engine piston crown Pending JPS60187346U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7463084U JPS60187346U (en) 1984-05-22 1984-05-22 internal combustion engine piston crown

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7463084U JPS60187346U (en) 1984-05-22 1984-05-22 internal combustion engine piston crown

Publications (1)

Publication Number Publication Date
JPS60187346U true JPS60187346U (en) 1985-12-12

Family

ID=30615105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7463084U Pending JPS60187346U (en) 1984-05-22 1984-05-22 internal combustion engine piston crown

Country Status (1)

Country Link
JP (1) JPS60187346U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010108749A1 (en) * 2009-03-26 2010-09-30 Federal-Mogul Nürnberg GmbH Piston for an internal combustion engine
WO2019149598A1 (en) * 2018-02-01 2019-08-08 Volkswagen Aktiengesellschaft Reciprocating piston for a reciprocating piston internal combustion engine, and use of a reciprocating piston in a reciprocating piston internal combustion engine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010108749A1 (en) * 2009-03-26 2010-09-30 Federal-Mogul Nürnberg GmbH Piston for an internal combustion engine
WO2019149598A1 (en) * 2018-02-01 2019-08-08 Volkswagen Aktiengesellschaft Reciprocating piston for a reciprocating piston internal combustion engine, and use of a reciprocating piston in a reciprocating piston internal combustion engine
CN111868367A (en) * 2018-02-01 2020-10-30 大众汽车股份公司 Reciprocating piston for a reciprocating piston internal combustion engine and use of a reciprocating piston in a reciprocating piston internal combustion engine
CN111868367B (en) * 2018-02-01 2022-05-27 大众汽车股份公司 Reciprocating piston for a reciprocating piston internal combustion engine and use of a reciprocating piston in a reciprocating piston internal combustion engine

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