| 发明名称 |
COMBINED OIL CONTROL RING |
| 摘要 |
A combined oil control ring for automobile engines capable of keeping an excellent oil-controlling function without suffering sticking between a spacer expander and side rails for a long period of operation comprises upper and lower two side rails, and an axially corrugated spacer expander having upper and lower portions; a leg portion connecting each upper portion and each lower portion of the spacer expander having a portion having an inclination angle θ of 15° or more from the axial direction. |
| 申请公布号 |
US2015145218(A1) |
申请公布日期 |
2015.05.28 |
| 申请号 |
US201314404586 |
申请日期 |
2013.05.27 |
| 申请人 |
KABUSHIKI KAISHA RIKEN |
发明人 |
Ooya Yoshihito |
| 分类号 |
F16J9/06 |
主分类号 |
F16J9/06 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A combined oil control ring comprising two upper and lower side rails, and an axially corrugated spacer expander having upper and lower portions; a leg portion connecting each upper portion and each lower portion of said spacer expander having a portion having an inclination angle θ of 15° or more from the axial direction. |
| 地址 |
Tokyo JP |
