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:
Sep. 15, 2026
Filed:
Feb. 06, 2024
Applicant:
Borgwarner Us Technologies Llc, Wilmington, DE (US);
Inventors:
Eric Bourniche, Preutin-Higny, FR;
Pascal David, Luxembourg, LU;
Assignee:
BorgWarner US Technologies LLC, Wilmington, DE (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 3/24 (2006.01); H02K 1/20 (2006.01); H02K 1/32 (2006.01); H02K 15/021 (2025.01);
U.S. Cl.
CPC ...
H02K 3/24 (2013.01); H02K 1/20 (2013.01); H02K 1/32 (2013.01); H02K 15/021 (2025.01); H02K 2215/00 (2021.08);
Abstract
A system includes a rotor core; a rotor stack extending circumferentially from the rotor core, the rotor stack including: a first end; a second end opposite to the first end; and a first slot in the rotor stack, the first slot extending from the first end to the second end; and a hairpin cooling pipe in the first slot of the rotor stack.