Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 7, 2010
Patent Application Number
11612912
Date Filed
December 19, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A fault tolerant synchronous permanent magnet machine is disclosed that reduces rotor losses by limiting eddy-current losses in the retaining sleeve. The machine limits eddy-current loss by any one or combination of axially segmenting the retaining sleeve, providing a highly electrically conductive non-magnetic shield to the retaining sleeve, and by configuring stator teeth width, stator teeth tip width, and slot distribution of the stator.
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