Patents by Inventor Yongeheol Sa

Yongeheol Sa 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).

  • REFRIGERANT SYSTEM AND METHOD FOR CONTROLLING THE SAME
    Publication number: 20120073311
    Abstract: A refrigerant system and a method for controlling the same are provided. A refrigerant system includes: an outdoor heat exchanger disposed in an operating loop of the refrigerant system and configured to perform a heat exchange between outdoor air and a refrigerant; a compressor disposed in the operating loop and configured to compress the refrigerant; an indoor heat exchanger disposed in the operating loop and configured to perform a heat exchange between indoor air and the refrigerant; an expander disposed in the operating loop and configured to expand the refrigerant; a refrigerant storage connected to the operating loop and configured to receive and store the refrigerant from and discharge the refrigerant to the operating loop; and a refrigerant storage controller configured to control a total amount of refrigerant in the operating loop based on an indoor air conditioning load and an amount of the stored refrigerant.
    Type: Application
    Filed: September 22, 2011
    Publication date: March 29, 2012
    Inventors: Hojong JEONG, Baikyoung Chung, Jaehwa Jung, Yongeheol Sa, Byungsoon kim