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:
Jun. 01, 2021
Filed:
Jul. 20, 2018
Applicant:
Rolls-royce Plc, London, GB;
Inventor:
David F Brookes, Birmingham, GB;
Assignee:
ROLLS-ROYCE plc, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/28 (2006.01); H02K 1/27 (2006.01); H02K 7/18 (2006.01); F01D 15/10 (2006.01); H02K 15/03 (2006.01);
U.S. Cl.
CPC ...
H02K 1/28 (2013.01); H02K 1/278 (2013.01); H02K 1/2753 (2013.01); H02K 7/1823 (2013.01); H02K 15/03 (2013.01); F01D 15/10 (2013.01); F05D 2220/32 (2013.01); H02K 2201/15 (2013.01); H02K 2205/12 (2013.01); H02K 2213/03 (2013.01);
Abstract
A rotor for an electrical machine is provided. The rotor comprises: a rotor body; one or more magnets arranged around the rotor body; and a non-magnetic containment sleeve positioned radially outwardly of the one or more magnets. The containment sleeve has axially-alternating solid ring sections and reticulated ring sections.