Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 13, 2011
Patent Application Number
12881694
Date Filed
September 14, 2010
Patent Citations Received
Patent Primary Examiner
Patent abstract
An internal permanent magnet machine has multiple rotor sections, each section having multiple rotor laminations. Permanent magnets are placed asymmetrically in lamination openings to attenuate oscillations in torque caused by harmonic components of magnetic flux.
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