JPS58181956U - internal combustion engine piston - Google Patents

internal combustion engine piston

Info

Publication number
JPS58181956U
JPS58181956U JP8008782U JP8008782U JPS58181956U JP S58181956 U JPS58181956 U JP S58181956U JP 8008782 U JP8008782 U JP 8008782U JP 8008782 U JP8008782 U JP 8008782U JP S58181956 U JPS58181956 U JP S58181956U
Authority
JP
Japan
Prior art keywords
piston
combustion engine
internal combustion
oil
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
JP8008782U
Other languages
Japanese (ja)
Inventor
渡部　泉
守弘 武田
Original Assignee
いすゞ自動車株式会社
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 いすゞ自動車株式会社 filed Critical いすゞ自動車株式会社
Priority to JP8008782U priority Critical patent/JPS58181956U/en
Publication of JPS58181956U publication Critical patent/JPS58181956U/en
Pending 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) [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 the drawing]

第１図は改良前の内燃機関のピストンの縦断面図、第２
図は本考案の第１の実施例の内燃機関の　　　　ピスト
ンの縦断面図、第３図は本考案の第２の実施例の内燃機
関のピストン要部を拡大して示す縦断面図である。 、１・・・ピストン、７・・・オイル逃がし穴１．Ｂ＋
　　８ａ・・・油通路、９・・・ピストンピン、１１・
・・圧縮リング溝、１２・・・オイルリング溝、１４・
・・内部空間、１５・・・ピストンピンボス、１６・・
・ピストンピン取付穴、１６ａ・・・ピストンピン取付
穴の内部周面ζ６１．６１２・・・環状の油溝。Figure 1 is a vertical cross-sectional view of the piston of the internal combustion engine before improvement, Figure 2
The figure is a vertical cross-sectional view of a piston of an internal combustion engine according to a first embodiment of the present invention, and FIG. 3 is a vertical cross-sectional view showing an enlarged main part of a piston of an internal combustion engine according to a second embodiment of the present invention. , 1... Piston, 7... Oil relief hole 1. B+
8a...Oil passage, 9...Piston pin, 11.
・・Compression ring groove, 12・・Oil ring groove, 14・
...Inner space, 15...Piston pin boss, 16...
- Piston pin mounting hole, 16a...Inner peripheral surface of piston pin mounting hole ζ61.612...Annular oil groove.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] オイルリング溝とピストン内部空間とを連結するオイル
逃し穴と、ピストピン取付穴と前記オイルリング溝もし
くは前記オイル逃し溝とを連結する油通路を設けた内燃
機関のピストンにおいて、前記油通路に連通ずる環状の
油溝をピストンピン取付穴の内周面に形成したことを特
徴とする内燃機関のピストン。In an internal combustion engine piston, the piston is provided with an oil relief hole that connects an oil ring groove and an internal space of the piston, and an oil passage that connects a piston pin mounting hole and the oil ring groove or the oil relief groove, which communicates with the oil passage. A piston for an internal combustion engine, characterized in that an annular oil groove is formed on the inner peripheral surface of a piston pin mounting hole.
JP8008782U 1982-05-31 1982-05-31 internal combustion engine piston Pending JPS58181956U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8008782U JPS58181956U (en) 1982-05-31 1982-05-31 internal combustion engine piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8008782U JPS58181956U (en) 1982-05-31 1982-05-31 internal combustion engine piston

Publications (1)

Publication Number Publication Date
JPS58181956U true JPS58181956U (en) 1983-12-05

Family

ID=30089245

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8008782U Pending JPS58181956U (en) 1982-05-31 1982-05-31 internal combustion engine piston

Country Status (1)

Country Link
JP (1) JPS58181956U (en)

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