ROTOR SLOT ASYMMETRY IN AN ELECTRIC MOTOR
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United States of America Patent
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N/A
Issued Date -
Nov 22, 2012
app pub date -
May 20, 2011
filing date -
May 20, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An electric motor includes a stator configured to receive electrical energy and generate an electromagnetic field in accordance with the electrical energy received. A rotor is in electromagnetic communication with the stator and is configured to rotate in accordance with the electromagnetic field generated by the stator. The rotor includes a plurality of poles including a first set of poles and a second set of poles. The first set of poles defines a first slot and the second set of poles defines a second slot that has a different configuration than the first slot to reduce a torque ripple effect. The electric motor may be used in a system having a power source configured to output direct current energy and an inverter configured to convert direct current energy to alternating current energy.
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