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:
Jul. 02, 2024
Filed:
Aug. 09, 2021
Applicant:
Rolls-royce Corporation, Indianapolis, IN (US);
Inventors:
Peter Schenk, Indianapolis, IN (US);
Mathew Hill, Indianapolis, IN (US);
David Loder, Indianapolis, IN (US);
Assignee:
Rolls-Royce Corporation, Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/02 (2006.01); H02K 1/04 (2006.01); H02K 1/278 (2022.01); H02K 1/30 (2006.01); H02K 15/03 (2006.01);
U.S. Cl.
CPC ...
H02K 1/04 (2013.01); H02K 1/02 (2013.01); H02K 1/278 (2013.01); H02K 1/30 (2013.01); H02K 15/03 (2013.01);
Abstract
A rotor assembly includes a rotor core having an axial length and configured to rotate about a longitudinal axis and at least one permanent magnet disposed about a radially outer surface of the rotor core. The rotor assembly further includes an electrical insulator disposed between the radially outer surface of the rotor core and the at least one permanent magnet and configured to disrupt an electrical conduction path along the axial length of the rotor core.