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:
Feb. 10, 2026

Filed:

Nov. 10, 2023
Applicant:

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

Inventors:

Yi Liu, Troy, MI (US);

Huaxin Li, Rochester Hills, MI (US);

John S. Agapiou, Rochester Hills, MI (US);

Qigui Wang, Rochester Hills, MI (US);

Kestutis A. Sonta, Warren, MI (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 3/02 (2006.01); H01B 1/02 (2006.01); H01B 7/00 (2006.01); H01B 7/20 (2006.01); H02K 1/16 (2006.01); H02K 15/10 (2025.01); H02K 15/12 (2025.01); H02K 15/122 (2025.01); H01R 4/04 (2006.01);
U.S. Cl.
CPC ...
H02K 3/02 (2013.01); H01B 1/026 (2013.01); H01B 7/0018 (2013.01); H01B 7/208 (2013.01); H02K 1/16 (2013.01); H02K 15/105 (2013.01); H02K 15/12 (2013.01); H01R 4/04 (2013.01); H02K 15/122 (2025.01); H02K 2203/09 (2013.01); H02K 2213/03 (2013.01);
Abstract

A composite wire bundle for a stator winding, a stator including a composite wire bundle, and a method of forming a composite wire bundle. The composite wire bundle includes a plurality of copper wires, wherein each of the plurality of copper wires include a first surface. The composite wire bundle also includes a copper-graphene multilayer composite applied to the first surface of each of the plurality of copper wires, wherein the copper-graphene multilayer composite includes a second surface. Further, the composite wire bundle includes a fluoropolymer matrix formed around the second surfaces and a jacket encapsulating the fluoropolymer matrix.


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