AC motor winding pattern
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United States of America Patent
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Sep 13, 2011
Grant Date -
Sep 30, 2010
app pub date -
Mar 30, 2009
filing date -
Mar 30, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A motor winding arrangement that is capable of delivering relatively flat torque over a wide range of speeds, thus achieving increasing power throughout its operating range, is provided. In a multi-phase, e.g., three-phase, motor utilizing the winding arrangement of the invention, each winding layer corresponds to one phase of the motor and occupies every slot of the stator. The poles for each winding layer consist of concentric and non-overlapping coils.
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