Patents Assigned to Ezwon Internet Service Co., Ltd.
  • Patent number: 11446828
    Abstract: A parallel type integrated actuator is proposed. The actuator includes: a driving unit composed of a plurality of motors, each motor being stacked successively in a longitudinal direction of the driving unit, each motor having a stator fixed to a position outside the driving unit and a rotor positioned inside thereof, each motor rotating relative to each other; a plurality of shafts; a heat sink housing having a cylindrical shape formed around the outer surface of the driving unit, and having an inner circumferential surface thereof thermally connected with the plurality of stators and a plurality of flow paths formed on the outer circumferential surface thereof; and a blower fan installed on one end side of the driving unit, provided with a wing part disposed to be adjacent to one end side of the heat sink housing, wherein rotation generates convection for heat exchange.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: September 20, 2022
    Assignee: Ezwon Internet Service Co., Ltd.
    Inventors: Jae Ho Noh, Woo Sung Yang, Jin Ho Yang, Hyun Kuk Lim