Patents by Inventor Cheal-Ki No

Cheal-Ki No 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).

  • Patent number: 7367784
    Abstract: Oil supply device (130) for a compressor in a refrigerating system including a cylindrical piece (131) fixed to a lower end of a crankshaft (110) for rotating together with the crankshaft, a propeller (132) fitted inside of the piece for making oil to rise by a relative movement with the piece (131), and rotation prevention means (141) fitted to a bottom end of the propeller (132) for prevention of rotation of the propeller, thereby supplying an adequate amount of refrigerant oil even if the compressor, operative at a low, as well as a high speed, is operated at the low speed.
    Type: Grant
    Filed: July 28, 2001
    Date of Patent: May 6, 2008
    Assignee: LG Electronics Inc.
    Inventors: Cheal-Ki No, Kee-Joo Kim, Jai-Seong Sim
  • Publication number: 20040208758
    Abstract: Oil supply device (130) for a compressor in a refrigerating system including a cylindrical piece (131) fixed to a lower end of a crankshaft (110) for rotating together with the crankshaft, a propeller (132) fitted inside of the piece for making oil to rise by a relative movement with the piece (131), and rotation prevention means (141) fitted to a bottom end of the propeller (132) for prevention of rotation of the propeller, thereby supplying an adequate amount of refrigerant oil even if the compressor, operative at a low, as well as a high speed, is operated at the low speed.
    Type: Application
    Filed: May 20, 2004
    Publication date: October 21, 2004
    Inventors: Cheal-Ki No, Kee-Joo Kim, Jai-Seong Sim