| 发明名称 |
SYNERGIC SURFACE MODIFICATION FOR BEARING SEAL |
| 摘要 |
The present invention relates to a method and apparatus for forming a dynamic seal between two surfaces (136, 140). More specifically, the invention relates to creating a textured surface (166) with a thin, hard coating (176) on a metallic annular sealing ring (170) such as the sealing ring used in an earth boring drill bit (100). |
| 申请公布号 |
WO2011028427(A3) |
申请公布日期 |
2011.05.26 |
| 申请号 |
WO2010US45972 |
申请日期 |
2010.08.19 |
| 申请人 |
BAKER HUGHES INCORPORATED;LIN, CHIH;DICK, AARON, J. |
发明人 |
LIN, CHIH;DICK, AARON, J. |
| 分类号 |
E21B10/22;E21B10/25;E21B10/50 |
主分类号 |
E21B10/22 |
| 代理机构 |
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