Patents by Inventor Sung Ki

Sung Ki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus and method for controlling operation of compressor
    Publication number: 20050184687
    Abstract: An apparatus and a method for controlling an operation of a compressor capable of preventing an under stroke or an overstroke of a compressor, occurring due to a variation value of a power voltage applied to a motor of the compressor includes a control unit outputting a selection signal according to a variation value of a power voltage applied to the motor of the compressor; capacitors connected to the motor; and a switching unit selectively varying capacitance of the capacitors based on the selection signal.
    Type: Application
    Filed: July 22, 2004
    Publication date: August 25, 2005
    Applicant: LG Electronics Inc.
    Inventors: Eon Hong, Kyeong Park, Ki Choi, Sung Ki, Tae Kwak, Jong Heo, Yong Kim