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Electrical machine

United States Patent

December 31, 2013
View the Complete Patent at the US Patent & Trademark Office
In one embodiment, an apparatus includes a rotor shaft, at least one pole segment, at least one pole tip segment and at least one permanent magnet pair. The at least one pole segment is mechanically coupled to the rotor shaft. Each permanent magnet pair is disposed between the at least one pole segment and respective pole tip segment. The apparatus further includes at least one mechanical member that mechanically restrains the at least one pole tip segment to at least one of the rotor shaft or the at least one pole segment.
Van Dam; Jeremy Daniel (West Coxsackie, NY), Alexander; James Pellegrino (Ballston Lake, NY), Lokhandwalla; Murtuza Yusuf (Canton, MI)
General Electric Company (Niskayuna, NY)
13/ 194,047
July 29, 2011
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT This invention was made with Government support under contract number DE-FC26-07NT43122 awarded by U.S. Department of Energy. The Government has certain rights in the invention.