JPS60139058U - Piston for internal combustion engine - Google Patents
Piston for internal combustion engineInfo
- Publication number
- JPS60139058U JPS60139058U JP2537784U JP2537784U JPS60139058U JP S60139058 U JPS60139058 U JP S60139058U JP 2537784 U JP2537784 U JP 2537784U JP 2537784 U JP2537784 U JP 2537784U JP S60139058 U JPS60139058 U JP S60139058U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- internal combustion
- combustion engine
- skirt
- surface roughness
- 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図は本考案の一実施例に係る内燃機関用ピストン、
本示す正面図、第２図はこのピストンのスカート部の表
面粗さを示す説明図である。
なお図面に用いた符号において、３・・・・・・リング
ランドｍ、４−−−−−−スカート部、ｅ−−−−−−
スカート部の上部、７・・・・・・スカート部の中央部
、８・・・・・・スカート部の下部、である。FIG. 1 shows a piston for an internal combustion engine according to an embodiment of the present invention.
This front view and FIG. 2 are explanatory diagrams showing the surface roughness of the skirt portion of this piston. In addition, in the symbols used in the drawings, 3...Ring land m, 4---Skirt part, e---------
These are the upper part of the skirt part, 7...the center part of the skirt part, and 8...the lower part of the skirt part.
Claims (1)
るピストンにおいて、前記スカート一部の表面粗さを中
央部で細かくし、上下部で粗くしたことを特徴とする内
燃機関用ピストン。 ２ 前記スカート部の表面粗さを中央部で６μｍ以下と
し、上下部で２０μｍ以下としたことを特−徴とする実
用新案登録請求の範閂第１項に記載の内燃機関用ピスト
ン。[Claims for Utility Model Registration] 1. A piston having a skirt portion on the lower side of the lower part of the ring run on the outer circumferential surface, characterized in that the surface roughness of the part of the skirt is finer in the center and rougher in the upper and lower parts. Pistons for internal combustion engines. 2. The piston for an internal combustion engine according to claim 1, wherein the skirt portion has a surface roughness of 6 μm or less in the center portion and 20 μm or less in the upper and lower portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2537784U JPS60139058U (en) | 1984-02-24 | 1984-02-24 | Piston for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2537784U JPS60139058U (en) | 1984-02-24 | 1984-02-24 | Piston for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60139058U true JPS60139058U (en) | 1985-09-13 |
Family
ID=30520392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2537784U Pending JPS60139058U (en) | 1984-02-24 | 1984-02-24 | Piston for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60139058U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5921065B2 (en) * | 1976-03-08 | 1984-05-17 | キヤノン株式会社 | Electronics |
-
1984
- 1984-02-24 JP JP2537784U patent/JPS60139058U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5921065B2 (en) * | 1976-03-08 | 1984-05-17 | キヤノン株式会社 | Electronics |
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