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Bearing assemblies, apparatuses, and motor assemblies using the same

United States Patent

9,222,512
December 29, 2015
View the Complete Patent at the US Patent & Trademark Office
Various embodiments of the invention relate to bearing assemblies, apparatuses and motor assemblies that include geometric features configured to impart a selected amount of heat transfer and/or hydrodynamic film formation. In an embodiment, a bearing assembly may include a plurality of superhard bearing pads distributed circumferentially about an axis. At least some of the plurality of superhard bearing pads may include a plurality of sub-superhard bearing elements defining a bearing surface. At least some of the plurality of sub-superhard bearing elements may be spaced from one another by one or more voids to impart a selected amount of heat transfer and hydrodynamic film formation thereon during operation. The bearing assembly may also include a support ring that carries the plurality of superhard bearing pads. In addition, at least a portion of the sub-superhard bearing elements may extend beyond the support ring.
Sexton; Timothy N. (Genola, UT), Cooley; Craig H. (Saratoga Springs, UT), Knuteson; Cody W. (Salem, UT)
US SYNTHETIC CORPORATION (Orem, UT)
13/ 550,835
20140023301
July 17, 2012
STATEMENT REGARDING GOVERNMENT RESEARCH AND DEVELOPMENT This invention was made with Government support under a government contract no. DE-EE0003633 awarded by the U.S. Department of Energy to US Synthetic Corporation. The Government has certain rights in this invention.