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.

Date of Patent:
Nov. 25, 2025

Filed:

Jun. 22, 2023
Applicant:

GM Global Technology Operations Llc, Detroit, MI (US);

Inventors:

Yilun Luo, Ann Arbor, MI (US);

John Diemer, Royal Oak, MI (US);

Jack M Gayney, Grosse Ile, MI (US);

Patrick S Portell, Clarkston, MI (US);

Sanjeev M Naik, Troy, MI (US);

Azadeh Narimissa, Lake Orion, MI (US);

Mohammad F Momen, Rochester Hills, MI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 5/173 (2006.01); H02K 7/00 (2006.01); H02K 11/40 (2016.01);
U.S. Cl.
CPC ...
H02K 5/1732 (2013.01); H02K 7/006 (2013.01); H02K 11/40 (2016.01);
Abstract

An electric motor including a motor casing, a shaft having an axis of rotation, a first end and a second end, a first main bearing for rotatably supporting the shaft at the first end within the motor casing, a second main bearing for rotatably supporting the shaft at the second end within the motor casing, and a grounding bearing for conducting a bearing current between the shaft and the motor casing.


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