JPH01158545U - - Google Patents
Info
- Publication number
- JPH01158545U JPH01158545U JP4989288U JP4989288U JPH01158545U JP H01158545 U JPH01158545 U JP H01158545U JP 4989288 U JP4989288 U JP 4989288U JP 4989288 U JP4989288 U JP 4989288U JP H01158545 U JPH01158545 U JP H01158545U
- Authority
- JP
- Japan
- Prior art keywords
- oil ring
- expander
- cylinder bore
- side rail
- circumferential surface
- 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
- 210000005069 ears Anatomy 0.000 claims description 3
Description
第１図は本考案の第１実施例に係る組合せオイ
ルリングの縦断面図、第２図は第１図の装置のエ
キスパンダの展開部分正面図、第３図は本考案の
第２実施例に係る組合せオイルリングの縦断面図
、第４図は第３図の装置のエキスパンダの展開部
分正面図、である。
１……ピストン、２……オイルリング溝、３…
…シリンダボア、４……サイドレール、５，１２
，１２ａ，１２ｂ……耳部、６，１１……エキス
パンダ、７……組合せオイルリング、８……スリ
ツト。
Fig. 1 is a vertical sectional view of a combination oil ring according to a first embodiment of the present invention, Fig. 2 is a front view of an expanded portion of the expander of the device shown in Fig. 1, and Fig. 3 is a second embodiment of the present invention. FIG. 4 is an exploded partial front view of the expander of the device shown in FIG. 3. 1... Piston, 2... Oil ring groove, 3...
...Cylinder bore, 4...Side rail, 5, 12
, 12a, 12b... ears, 6, 11... expander, 7... combination oil ring, 8... slit.
Claims (1)
外周面がシリンダボアに摺接される２枚のサイド
レールと、該サイドレールを該サイドレールの内
周面に当接する上下の耳部を介してシリンダボア
方向およびオイルリング溝の上下面方向に付勢す
るエキスパンダとからなる組合せオイルリングに
おいて、前記エキスパンダの耳部を、エキスパン
ダ本体部からオイルリング溝の上面又は下面方向
に延びた後シリンダボア方向にＵ字状に折れ曲が
つてエキスパンダ本体部方向に延びる湾曲形状の
耳部に構成し、該湾曲形状の耳部のオイルリング
径方向外周面にサイドレールを当接させたことを
特徴とする組合せオイルリング。 Two side rails are arranged one above the other in the oil ring groove of the piston, and the outer circumferential surface slides against the cylinder bore, and the side rail is connected to the cylinder bore direction through the upper and lower ears that contact the inner circumferential surface of the side rail. and an expander that urges the oil ring groove in the upper and lower surface directions, the ears of the expander extend from the expander main body toward the upper or lower surface of the oil ring groove and then extend in the cylinder bore direction. It is characterized by having a curved ear bent in a U-shape and extending toward the expander main body, and a side rail is brought into contact with the outer circumferential surface of the oil ring in the radial direction of the curved ear. Combination oil ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4989288U JPH01158545U (en) | 1988-04-15 | 1988-04-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4989288U JPH01158545U (en) | 1988-04-15 | 1988-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01158545U true JPH01158545U (en) | 1989-11-01 |
Family
ID=31275974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4989288U Pending JPH01158545U (en) | 1988-04-15 | 1988-04-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01158545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1092898A2 (en) | 1999-10-13 | 2001-04-18 | Riken Corporation | Oil control ring for internal combustion engine with dynamically stabilized side rail |
-
1988
- 1988-04-15 JP JP4989288U patent/JPH01158545U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1092898A2 (en) | 1999-10-13 | 2001-04-18 | Riken Corporation | Oil control ring for internal combustion engine with dynamically stabilized side rail |