JPH0417146U - - Google Patents
Info
- Publication number
- JPH0417146U JPH0417146U JP5932090U JP5932090U JPH0417146U JP H0417146 U JPH0417146 U JP H0417146U JP 5932090 U JP5932090 U JP 5932090U JP 5932090 U JP5932090 U JP 5932090U JP H0417146 U JPH0417146 U JP H0417146U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- annular groove
- oil relief
- built
- oil
- 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
- 238000002485 combustion reaction Methods 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
図面は本考案の実施例を示し、第１図は縦断正
面図、第２図は第１図−視断面図である。
１……ピストン、１ａ……ピストンの軸線、２
……頂上部、３……スカート部、６……オイルリ
ング、７……環状溝、８……肉盛り部、１０……
オイル逃がし孔。
The drawings show an embodiment of the present invention, with FIG. 1 being a longitudinal sectional front view and FIG. 2 being a sectional view taken from FIG. 1. 1... Piston, 1a... Piston axis, 2
... Top part, 3 ... Skirt part, 6 ... Oil ring, 7 ... Annular groove, 8 ... Filling part, 10 ...
Oil escape hole.
Claims (1)
る一方、内面に、前記環状溝に対する肉盛り部を
一体的に造形して成る内燃機関用ピストンにおい
て、前記環状溝の深さを、前記ピストンのスカー
ト部における厚さよりも大きくする一方、前記ピ
ストンの内部における前記肉盛り部に、前記ピス
トンの軸線方向に延びるオイル逃がし孔を、当該
オイル逃がし孔が前記環状溝に連通するように穿
設したことを特徴とする内燃機関用ピストンにお
けるオイル逃がし装置。 In a piston for an internal combustion engine, the outer peripheral surface is provided with an annular groove into which an oil ring is fitted, and the inner surface is integrally formed with a built-up portion for the annular groove. The thickness is larger than that of the skirt portion, and an oil relief hole extending in the axial direction of the piston is formed in the built-up portion inside the piston so that the oil relief hole communicates with the annular groove. An oil relief device for a piston for an internal combustion engine, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5932090U JPH0417146U (en) | 1990-06-04 | 1990-06-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5932090U JPH0417146U (en) | 1990-06-04 | 1990-06-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0417146U true JPH0417146U (en) | 1992-02-13 |
Family
ID=31585717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5932090U Pending JPH0417146U (en) | 1990-06-04 | 1990-06-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0417146U (en) |
-
1990
- 1990-06-04 JP JP5932090U patent/JPH0417146U/ja active Pending