发明名称 |
Texturing of the seal surface for a roller cone rock bit |
摘要 |
Surface texturing is employed to modify the topography of one or more surfaces (radial or cylindrical) of the sealing system for a roller cone rock bit. The surface texturing results in a dimpled surface which retains additional lubricant helpful in reducing friction in the boundary and mixed lubrication regimes. Shot peening is disclosed as one method for texturing the desired surface.
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申请公布号 |
US8347683(B2) |
申请公布日期 |
2013.01.08 |
申请号 |
US20090399171 |
申请日期 |
2009.03.06 |
申请人 |
VAREL INTERNATIONAL IND., L.P.;LU XIAOBIN |
发明人 |
LU XIAOBIN |
分类号 |
C21D7/06;E21B10/00 |
主分类号 |
C21D7/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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