Electric motor and electric generator
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United States of America Patent
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Jun 10, 2014
Grant Date -
Mar 3, 2011
app pub date -
Jul 15, 2010
filing date -
Sep 3, 2009
priority date (Note) -
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Abstract
An electric motor comprising a stator having two coil sets arranged to produce a magnetic field of the motor, each coil set comprising a plurality of coil sub-sets; and two control devices, wherein the first control device is coupled to the plurality of coil sub-sets for the first coil set and the second control device is coupled to the plurality of coil sub-sets for the second coil set and each control device is arranged to control current in the respective plurality of coil sub-sets to generate a magnetic field in each coil sub-set to have a substantially different magnetic phase to the other one or more coil sub-sets in the respective coil set; and wherein the first control device and the second control device are mounted adjacent to the stator.
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