JPS58181956U - internal combustion engine piston - Google Patents
internal combustion engine pistonInfo
- 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
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
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)
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.
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) |
-
1982
- 1982-05-31 JP JP8008782U patent/JPS58181956U/en active Pending
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