Patents by Inventor Yoon Jei Hwang

Yoon Jei Hwang 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).

  • Coolant distributor of refrigerating cycle for heat pump
    Patent number: 6381974
    Abstract: A refrigerant distributor of a refrigerating cycle for a heat pump of the present invention comprising a compressor for compressing a refrigerant and discharging the refrigerant variably, a distributor for distributing the refrigerant passed through an expansion device expanding the refrigerant to a plurality of branching pipes and making the refrigerant flow to a evaporator including a plurality of blocks, a refrigerant flow controller installed on a certain branching pipe of the distributor for opening/closing the flow of the refrigerant to the branching pipes, and a by-pass pipe for making a certain amount of the refrigerant discharged variably from the compressor flow to the refrigerant flow controller by connecting the discharge side of the compressor and refrigerant flow controller so as to open/close the certain branching pipe of the distributor by the operation of the refrigerant flow controller in accordance with the discharge compressor of the refrigerant discharged variably from the compressor is c
    Type: Grant
    Filed: September 13, 2000
    Date of Patent: May 7, 2002
    Assignee: LG Electronics, Inc.
    Inventors: Yoon Jei Hwang, Yang Kyu Kim, Jong Han Park, Cheol Min Kim