Corrosion resistant bearing elements, bearing assemblies, bearing apparatuses, and motor assemblies using the same

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United States of America Patent

PATENT NO 12049922
APP PUB NO 20230296134A1
SERIAL NO

18201322

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Abstract

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Embodiments disclosed herein relate to bearing assemblies and methods of manufacturing. In an embodiment, a bearing assembly includes a support ring and bearing elements. The bearing elements are mounted to and distributed circumferentially about an axis of the support ring. At least one of the bearing elements includes a polycrystalline diamond table, a substrate bonded to the polycrystalline diamond table, bonding region defined by the substrate and the polycrystalline diamond table, and a corrosion resistant region. The corrosion resistant region includes a corrosion resistant material that covers at least a portion of at least one lateral surface of the bonding region. The corrosion resistant region prevents corrosion of at least some material in the bonding region covered by the corrosion resistant region (e.g., during use). Other embodiments employ one or more sacrificial anodes as an alternative to or in combination with the corrosion resistant region.

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Patent Owner(s)

  • US SYNTHETIC CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gonzalez, Jair Jahaziel Provo, US 24 131

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