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Electrical energy generating brushless DC motor

  • US 10,432,079 B2
  • Filed: 08/12/2014
  • Issued: 10/01/2019
  • Est. Priority Date: 08/12/2014
  • Status: Active Grant
First Claim
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1. A brushless direct current (BLDC) motor that generates electrical energy while operating as a motor, comprising:

  • a permanent magnet rotor that provides a magnetic field for motor operation, the rotor having a plurality of magnetic poles;

    a dual-purpose stator winding assembly positioned proximal to the rotor and having a plurality of first windings configured to produce torque in the rotor and a plurality of second windings configured to generate electrical energy during motor operation, wherein the plurality of first windings are physically and electrically separated from the plurality of second windings, wherein the plurality of second windings are positioned closer to the permanent magnet rotor than the plurality of first windings, whereby during motor operation while the plurality of first windings are producing torque in the rotor, electrical energy is generated by the plurality of second windings due to a rotation of the rotor, and wherein the stator winding assembly includes a plurality of stator poles, each stator pole includes at least one first winding and at least one second winding.

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