JPS58189338U - internal combustion engine piston - Google Patents
internal combustion engine pistonInfo
- Publication number
- JPS58189338U JPS58189338U JP8773082U JP8773082U JPS58189338U JP S58189338 U JPS58189338 U JP S58189338U JP 8773082 U JP8773082 U JP 8773082U JP 8773082 U JP8773082 U JP 8773082U JP S58189338 U JPS58189338 U JP S58189338U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- combustion engine
- internal combustion
- outer periphery
- 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図は従来例を示すピストン縦断面図、第２図は、第
１図のＡ−Ａ線断面図、第３図ば本考案ピストンをピス
トンピン穴方向の面で切断した縦断面図、第４図は第３
図のＡ−Ａ線断面図、第５図は同じ（Ｂ−Ｂ線断面図、
第６図はＣ−Ｃ線断面図、第７図は本考案ピストンをピ
ストンピン穴と直角方向の面で切断した縦断面図、第８
図及び第９図は、上下部リング溝部分を拡大して示す縦
断面図である。
１１・・・ピストンピン穴、１２ａ〜１２ｄ・・・上部
リング溝、１３・・・下部リング溝、１４・・・ピスト
ンスラスト方向側の面、１５・・・ヌスミ、１７ａ。
１７ｂ、 １８ａ、 １８ｂ−・・戻し穴。FIG. 1 is a vertical sectional view of a piston showing a conventional example, FIG. 2 is a sectional view taken along the line A-A in FIG. Figure 4 is the third
The sectional view taken along the line A-A in the figure and FIG. 5 are the same (the sectional view taken along the line B-B,
Fig. 6 is a sectional view taken along the line C-C, Fig. 7 is a vertical sectional view of the piston of the present invention taken along a plane perpendicular to the piston pin hole, and Fig. 8 is a longitudinal sectional view taken along the line C-C.
9 and 9 are longitudinal sectional views showing enlarged upper and lower ring groove portions. DESCRIPTION OF SYMBOLS 11... Piston pin hole, 12a-12d... Upper ring groove, 13... Lower ring groove, 14... Piston thrust direction side surface, 15... Indentation, 17a. 17b, 18a, 18b--Return holes.
Claims (1)
ング溝を設けたものにおいて、前記ピストンピン穴が開
口する側のピストン外周に、上部リングと下部リング間
におけるピストンスラスト方向側のオイルを逃す一定領
域のヌスミを形成したことを特徴とする内燃機関のピス
トン。 ２ オイルリング溝部分において、ピストン外周から裏
面側へ向って貫通する戻し穴を設けた実用新案登録請求
の範囲第１項記載の内燃機関のピストン。[Claims for Utility Model Registration] 1. In a piston in which oil ring grooves are provided on both upper and lower sides of the piston pin hole on the outer periphery of the piston, the piston thrust direction between the upper ring and the lower ring is provided on the outer periphery of the piston on the side where the piston pin hole opens. A piston for an internal combustion engine that is characterized by having a certain area of bulge formed on the side that allows oil to escape. 2. A piston for an internal combustion engine according to claim 1, wherein the oil ring groove portion is provided with a return hole penetrating from the outer periphery of the piston toward the back side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8773082U JPS58189338U (en) | 1982-06-11 | 1982-06-11 | internal combustion engine piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8773082U JPS58189338U (en) | 1982-06-11 | 1982-06-11 | internal combustion engine piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58189338U true JPS58189338U (en) | 1983-12-16 |
Family
ID=30096429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8773082U Pending JPS58189338U (en) | 1982-06-11 | 1982-06-11 | internal combustion engine piston |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58189338U (en) |
-
1982
- 1982-06-11 JP JP8773082U patent/JPS58189338U/en active Pending
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