Title:
CORROSION RESISTANT BEARING ELEMENTS, BEARING ASSEMBLIES, BEARING APPARATUSES, AND MOTOR ASSEMBLIES USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2019/147432
Kind Code:
A3
Abstract:
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.
Inventors:
GONZALEZ JAIR JAHAZIEL (US)
Application Number:
PCT/US2019/013604
Publication Date:
August 29, 2019
Filing Date:
January 15, 2019
Export Citation:
Assignee:
US SYNTHETIC CORP (US)
International Classes:
F16C17/14
Domestic Patent References:
| WO2017034788A1 | 2017-03-02 |
Foreign References:
| US8678657B1 | 2014-03-25 | |||
| US20140373458A1 | 2014-12-25 | |||
| US4452539A | 1984-06-05 | |||
| US8727044B2 | 2014-05-20 | |||
| US20110067929A1 | 2011-03-24 |
Other References:
See also references of EP 3743630A4
Attorney, Agent or Firm:
SIMON, Marcus S. (US)
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