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ELECTRIC MACHINE

United States Patent Application

20100253169
A1
View the Complete Application at the US Patent & Trademark Office
An interior permanent magnet machine is disclosed. The machine comprises an air gap, and a rotor comprising a plurality of multilayered magnets each placed substantially along circumferential chords of the air gap, wherein each of the magnets comprises a plurality of segments and at least one segment adjacent said air gap comprises a high resistivity magnetic material. A method to make an interior permanent magnet machine is also disclosed.
El-Refaie, Ayman Mohamed Fawzi (Niskayuna, NY), Reddy, Patel Bhageerath (Madison, WI)
GENERAL ELECTRIC COMPANY (SCHENECTADY NY)
12/ 416,231
April 1, 2009
[0001] This invention was made with Government support under contract number DE-FC26-07NT43122 awarded by The United States Department of Energy. The Government has certain rights in the invention.