JPS58149545U - internal combustion engine piston - Google Patents
internal combustion engine pistonInfo
- Publication number
- JPS58149545U JPS58149545U JP4657182U JP4657182U JPS58149545U JP S58149545 U JPS58149545 U JP S58149545U JP 4657182 U JP4657182 U JP 4657182U JP 4657182 U JP4657182 U JP 4657182U JP S58149545 U JPS58149545 U JP S58149545U
- 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
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) [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1ま本考案の第1の実施例の内燃機関のピストンの縦
断面図である。第3図は、本考案の第2の実施例の内燃
機関のピストンの要部を拡大して示す縦断面図である。
1.10・・・・・・ピストン、7.70・・・・・・
オイルオイル逃がし穴、a、 ao、 aoa・・・・
・・油通路、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、16a・・・・・
・ピストンピン取付穴の内周面、Dl・・・・・・オイ
ル逃がし穴の内径。Figure 1 is a vertical cross-sectional view of the piston of the internal combustion engine before improvement, Figure 2
FIG. 1 is a vertical sectional view of a piston of an internal combustion engine according to a first embodiment of the present invention. FIG. 3 is an enlarged vertical cross-sectional view showing the main parts of a piston of an internal combustion engine according to a second embodiment of the present invention. 1.10... Piston, 7.70...
Oil oil relief hole, a, ao, aoa...
...Oil passage, 11...Compression ring groove, 12...
... Oil ring groove, 14 ... Internal space,
15... Piston pin boss, 16a...
・Inner circumferential surface of piston pin mounting hole, Dl...Inner diameter of oil relief hole.
Claims (1)
逃し穴と、ピストン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、前記オイル逃し穴の内径よ
りも前記油通路の内径を大きくしたことを特徴とする内
燃機関のピストン。In a piston for an internal combustion engine, 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. A piston for an internal combustion engine, characterized in that the inner diameter of the oil passage is larger than the inner diameter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4657182U JPS58149545U (en) | 1982-03-31 | 1982-03-31 | internal combustion engine piston |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4657182U JPS58149545U (en) | 1982-03-31 | 1982-03-31 | internal combustion engine piston |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58149545U true JPS58149545U (en) | 1983-10-07 |
Family
ID=30057560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4657182U Pending JPS58149545U (en) | 1982-03-31 | 1982-03-31 | internal combustion engine piston |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58149545U (en) |
-
1982
- 1982-03-31 JP JP4657182U patent/JPS58149545U/en active Pending
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