Patents Assigned to Sansha Electric Manufacuring Co. Limited
  • Power supply apparatus
    Patent number: 5825642
    Abstract: A power supply apparatus includes a housing containing therein a component which generates heat when operating, a fan for cooling the heat-generating component, and a driving unit for driving the fan. The housing also contains therein a temperature detector for detecting the temperature in the housing and providing a detected-temperature representing signal. In response to the detected-temperature representing signal, a control unit provides the driving unit with a control signal to change the rotation speed of the fan.
    Type: Grant
    Filed: May 27, 1997
    Date of Patent: October 20, 1998
    Assignees: Sansha Electric Manufacuring Co. Limited, Thermal Dynamics Corporation
    Inventors: Hideo Ishii, Haruo Moriguchi, Nathaniel S. Hansen, Michael R. Dumont