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. 01, 2026
Filed:
Aug. 16, 2024
Applicant:
Rolls-royce Plc, London, GB;
Inventor:
Robert C. Backhouse, Wells, GB;
Assignee:
Rolls-Royce plc, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/04 (2006.01); B29C 70/32 (2006.01); H02K 1/2706 (2022.01); H02K 15/03 (2006.01); H02K 15/12 (2006.01); B29K 105/10 (2006.01); B29K 307/04 (2006.01); B29K 309/08 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
H02K 1/2706 (2013.01); B29C 70/32 (2013.01); H02K 15/03 (2013.01); H02K 15/12 (2013.01); B29K 2105/101 (2013.01); B29K 2307/04 (2013.01); B29K 2309/08 (2013.01); B29L 2031/749 (2013.01); H02K 2213/03 (2013.01); H02K 2215/00 (2021.08);
Abstract
The disclosure relates to a stator assembly for an electric machine. Example embodiments disclosed include a rotor assembly for an electric machine, the rotor assembly comprising: a rotor core; a plurality of magnets arranged around the rotor core; and a cylindrical rotor sleeve surrounding the plurality of magnets, wherein the rotor sleeve comprises a laminated composite material having an array of ferromagnetic pins extending through a thickness of the rotor sleeve.