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:
Dec. 28, 2021
Filed:
Oct. 31, 2018
Applicant:
Rolls-royce Corporation, Indianapolis, IN (US);
Inventor:
Christopher Banham, Indianapolis, IN (US);
Assignee:
Rolls-Royce Corporation, Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 9/19 (2006.01); H02K 1/20 (2006.01);
U.S. Cl.
CPC ...
H02K 9/19 (2013.01); H02K 1/20 (2013.01); H02K 2209/00 (2013.01);
Abstract
In some examples, an electric machine system including an outer housing; a stator assembly within the outer housing; a corrugated ring located between the stator assembly and the outer housing, the corrugated ring defining a gap between the stator assembly and the outer housing; and a pump configured to transfer a fluid through the gap between the stator assembly and housing to remove heat from at least one of the stator assembly or outer housing.