The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 2026
Filed:
Aug. 05, 2022
Applicant:
Aktiebolaget Skf, Gothenburg, SE;
Inventors:
Assignee:
Aktiebolaget SKF, Gothenburg, SE;
Primary Examiner:
Int. Cl.
CPC ...
H02K 11/40 (2016.01); F16C 19/18 (2006.01); F16C 33/58 (2006.01); F16C 33/66 (2006.01); H02K 5/173 (2006.01); H02K 7/08 (2006.01);
U.S. Cl.
CPC ...
H02K 5/1732 (2013.01); F16C 19/18 (2013.01); F16C 33/583 (2013.01); F16C 33/6633 (2013.01); F16C 33/6681 (2013.01); F16C 33/6688 (2013.01); H02K 7/083 (2013.01); H02K 11/40 (2016.01); F16C 33/6614 (2013.01); F16C 2380/26 (2013.01);
Abstract
At least one main bearing is configured to support a rotational element of the electric motor, and a sacrificial bearing. The main bearing includes at least one inner ring, at least one outer ring and at least one plurality of rolling elements. The sacrificial bearing provides an outer ring, an inner ring, and a plurality of rolling elements disposed between the outer ring and the inner ring. A value of a breakdown voltage for the sacrificial bearing is less than a value of the breakdown voltage for the at least one main bearing.