Patents Assigned to Johnson Electrica S.A.
  • Cooling system of motor assembly for cleaner
    Patent number: 8823222
    Abstract: A motor assembly, especially for home appliances such as a cleaner, has an electric motor and a cooling system. The motor may be a fractional horsepower universal motor with a stator and a rotor. The cooling system has a cooling pipe thermally coupled to an element of the stator, such as a core of the stator and providing a flow path for a liquid to cool the motor.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: September 2, 2014
    Assignee: Johnson Electrica S.A.
    Inventors: James Ching Sik Lau, Zhan Cai