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. 15, 2017
Filed:
Jan. 31, 2013
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Ellis Fui Hen Chong, Derby, GB;
Geraint Wyn Jewell, Sheffield, GB;
Leon Kevin Rodrigues, Sheffield, GB;
Assignee:
ROLLS-ROYCE plc, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 1/20 (2006.01); H02K 1/18 (2006.01); H02K 9/22 (2006.01); H02K 5/20 (2006.01);
U.S. Cl.
CPC ...
H02K 1/20 (2013.01); H02K 1/185 (2013.01); H02K 9/22 (2013.01); H02K 5/20 (2013.01);
Abstract
This invention relates to a laminated core for an electrical machine, including: a plurality of laminations configured to define a channel in a surface of the laminated core for the flow of a cooling fluid, wherein the channel has a base and at least one side wall, the at least one side wall having a stepped profile.