JPH0290341U - - Google Patents
Info
- Publication number
- JPH0290341U JPH0290341U JP16938888U JP16938888U JPH0290341U JP H0290341 U JPH0290341 U JP H0290341U JP 16938888 U JP16938888 U JP 16938888U JP 16938888 U JP16938888 U JP 16938888U JP H0290341 U JPH0290341 U JP H0290341U
- Authority
- JP
- Japan
- Prior art keywords
- oil ring
- piston
- ring groove
- enlarged
- 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
- 238000011084 recovery Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
図面はこの考案の一実施例を示し、第１図はレ
シプロエンジンの２ピースオイルリングピストン
構造を示す概略側面図、第２図は第１図のＡ−Ａ
線矢視断面図、第３図はオイルリングのオイルリ
ング溝に対する嵌装構造を示す部分拡大図、第４
図は第３図のＢ−Ｂ線矢視断面図である。
１……ピストン、７……オイルリング溝、１０
……サイドレール、１１……エキスパンダ、１２
……オイルリング、１３……拡大部、１３ａ……
拡大部端面（回止め部）、１４……オイル回収通
路。
The drawings show one embodiment of this invention, and FIG. 1 is a schematic side view showing the two-piece oil ring piston structure of a reciprocating engine, and FIG.
Fig. 3 is a partially enlarged view showing the fitting structure of the oil ring into the oil ring groove;
The figure is a sectional view taken along the line BB in FIG. 3. 1... Piston, 7... Oil ring groove, 10
... Side rail, 11 ... Expander, 12
...Oil ring, 13...Enlarged part, 13a...
Enlarged part end face (rotation stop part), 14...Oil recovery passage.
Claims (1)
イルリングを構成し、 上記オイルリングを嵌装するオイルリング溝を
ピストンの外周面に形成すると共に、 上記ピストンのスラスト側、反スラスト側にお
ける上記オイルリング溝を下方に拡大して拡大部
を形成し、 該拡大部端面を上記エキスパンダの回止め部に
設定し、 上記拡大部にはオイルリング溝の内外を連通す
るオイル回収通路を形成した ピストン構造。[Scope of Claim for Utility Model Registration] An oil ring is constituted by one side rail and an expander, and an oil ring groove into which the oil ring is fitted is formed on the outer peripheral surface of the piston, and the thrust side of the piston, The oil ring groove on the anti-thrust side is enlarged downward to form an enlarged part, the end face of the enlarged part is set as a rotation stopping part of the expander, and the enlarged part has oil communicating between the inside and outside of the oil ring groove. Piston structure with a recovery passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16938888U JPH0290341U (en) | 1988-12-28 | 1988-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16938888U JPH0290341U (en) | 1988-12-28 | 1988-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0290341U true JPH0290341U (en) | 1990-07-18 |
Family
ID=31699694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16938888U Pending JPH0290341U (en) | 1988-12-28 | 1988-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0290341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014055550A (en) * | 2012-09-12 | 2014-03-27 | Nippon Soken Inc | Piston for internal combustion engine |
-
1988
- 1988-12-28 JP JP16938888U patent/JPH0290341U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014055550A (en) * | 2012-09-12 | 2014-03-27 | Nippon Soken Inc | Piston for internal combustion engine |