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:
Aug. 22, 2023
Filed:
Mar. 22, 2021
Applicants:
Rolls-royce Plc, London, GB;
Rolls-royce Singapore Pte. Ltd., Singapore, SG;
Inventors:
Assignees:
Rolls-Royce plc, London, GB;
Rolls-Royce Singapore Pte. Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/27 (2022.01); H02K 1/28 (2006.01); H02K 15/03 (2006.01); H02K 1/278 (2022.01); H02K 1/02 (2006.01); H02K 1/04 (2006.01);
U.S. Cl.
CPC ...
H02K 1/278 (2013.01); H02K 1/02 (2013.01); H02K 1/04 (2013.01); H02K 1/28 (2013.01); H02K 15/03 (2013.01);
Abstract
A rotor assembly includes a plurality of segmented magnets on an outer surface of a rotor core, a metallic layer on the outer surface of the plurality of segmented magnets, and a plurality of segmented metallic bands on the outer surface of the metallic layer. The plurality of segmented metallic bands is configured to secure the plurality of segmented magnets to the outer surface of the rotor core, and each band of the plurality of metallic bands has an axial length less than an axial length of the rotor.