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:
Jan. 09, 2024
Filed:
Mar. 22, 2021
Applicants:
Rolls-royce Singapore Pte. Ltd., Singapore, SG;
Rolls-royce Plc, London, GB;
Inventors:
Shanmukha Rama Krishna, Sengkang, SG;
Malaiyan Karthikeyan Srihariharan, Singapore, SG;
Ellis Fui Hen Chong, Derby, GB;
Assignees:
Rolls-Royce Singapore Pte. Ltd., Singapore, SG;
Rolls-Royce plc, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/02 (2006.01); H02K 1/28 (2006.01); H02K 1/276 (2022.01); H02K 11/01 (2016.01); H02K 1/16 (2006.01);
U.S. Cl.
CPC ...
H02K 1/276 (2013.01); H02K 1/165 (2013.01); H02K 11/01 (2016.01); H02K 2213/03 (2013.01);
Abstract
A rotor assembly includes a plurality of segmented magnets disposed about an outer surface of a rotor core and a plurality of segmented metallic bands configured to secure the plurality of segmented magnets to the outer surface of the rotor core. The number of segments of the segmented metallic bands in an axial direction is greater than the number of segments of the segmented magnets.