Patents by Inventor Min Sub Shim

Min Sub Shim 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).

  • Method for controlling multi-type air conditioner
    Patent number: 7131283
    Abstract: Method for controlling a multi-type air conditioner having a plurality of indoor units each with an expansion valve, an indoor heat exchanger, and an indoor fan, some of which heat rooms, and rest of which are turned off, including the steps of (S11) defining a saturation temperature of refrigerant by using a heating cycle of the refrigerant, and Mollier chart, (S12) measuring a temperature of the refrigerant stagnant at the turned off indoor units, (S13) determining if a temperature difference of the refrigerant temperature and the saturation temperature is within a temperature range preset at a control part, (S14) opening the expansion valves of the turned off indoor units, if the temperature difference is within the temperature range preset at the control part, and (S15) closing the expansion valve of the turned off indoor units, if the temperature difference is not within the temperature range preset at the control part, whereby minimizing stagnation of refrigerant at turned off indoor units during some o
    Type: Grant
    Filed: June 30, 2004
    Date of Patent: November 7, 2006
    Assignee: LG Electronics Inc.
    Inventors: Il Kwon Oh, Min Sub Shim, Jin Seob Song, Se Dong Chang, Bong Soo Park, Do Yong Ha, Seung Yong Chang