Patents Assigned to POLYCHARM DEVELOPMENT LIMITED
  • Patent number: 10862412
    Abstract: A BLDC motor comprising a permanent magnet motor rotor defining a motor axis, a motor housing and a plurality of phase winding circuits mounted on the motor housing to form a stator, wherein each phase winding circuit comprises a phase winding and a driving bridge which is to operate to drive a phase current to flow through the phase winding, and the driving bridge comprises a switching circuit to provide a switched power supply to energize the phase winding; and wherein the phase windings are disposed at different angular positions with respect to the motor axis or the motor housing.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: December 8, 2020
    Assignee: POLYCHARM DEVELOPMENT LIMITED
    Inventor: Chun To Lau