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    • 2. 发明申请
    • TILTING SUPERHARD BEARING ELEMENTS IN BEARING ASSEMBLIES, APPARATUSES, AND MOTOR ASSEMBLIES USING THE SAME
    • 使用相同的轴承组件,设备和电机组件中的倾斜超级轴承元件
    • WO2014014671A1
    • 2014-01-23
    • PCT/US2013/049208
    • 2013-07-03
    • US SYNTHETIC CORPORATION
    • PETERSON, S. BarrettCOOLEY, Craig H.SEXTON, Timothy N.
    • F16C17/03F16C17/06F16C33/04
    • F16C17/03F16C17/06F16C33/043
    • Embodiments relate to tilting superhard bearing element bearing assemblies and apparatuses. The disclosed assemblies/apparatuses may be employed in downhole motors of a subterranean drilling system or other mechanical systems. In an embodiment, a bearing assembly includes a support ring (902) and a plurality of superhard bearing elements (904) each of which is tilted and/or tiltably secured relative to the support ring (902) and distributed circumferentially about an axis. Each of the superhard bearing elements (904) includes a bearing surface (916) and a base portion (920). The base portion (920) of the at least one of the superhard bearing elements (904) includes a curved tilting feature (924) configured to allow the at least one of the superhard bearing elements (904) to be tiltable about a tilt axis. The bearing assembly includes retaining features (924) that secure the superhard bearing elements (904) to the support ring (902).
    • 实施例涉及倾斜超硬轴承元件轴承组件和装置。 所公开的组件/装置可以用于地下钻井系统的井下马达或其它机械系统。 在一个实施例中,轴承组件包括支撑环(902)和多个超硬轴承元件(904),每个超硬体轴承元件相对于支撑环(902)倾斜和/或可倾斜地固定并围绕轴线周向分布。 每个超硬轴承元件(904)包括支承面(916)和基部(920)。 所述至少一个所述超硬轴承元件(904)的所述基部(920)包括弯曲倾斜特征(924),所述弯曲倾斜特征构造成允许所述超硬轴承元件(904)中的至少一个可绕倾斜轴倾斜。 轴承组件包括将超硬轴承元件(904)固定到支撑环(902)的保持特征(924)。