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:
Jul. 07, 2026
Filed:
Sep. 29, 2023
Rolls-royce North American Technologies, Inc., Indianapolis, IN (US);
Rolls-royce Corporation, Indianapolis, IN (US);
Jordan Thralls, Indianapolis, IN (US);
Hossein Baninajar, Indianapolis, IN (US);
Rolls-Royce North American Technologies, Inc., Indianapolis, IN (US);
Rolls-Royce Corporation, Indianapolis, IN (US);
Abstract
An example electric machine of a gas-turbine engine having a longitudinal axis includes a stator; a rotor configured to rotate around the stator and about the longitudinal axis of the gas-turbine engine, the rotor comprising: a rotor body having an inner surface and an outer surface; and magnets on the inner surface of the rotor body, wherein axial edges of the magnets perpendicular to the longitudinal axis are profiled to include a shoulder that corresponds to a geometry of a radial retention structure of the rotor.