Patents by Inventor Chang Chil Yang

Chang Chil Yang 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 FOR AUTOMATICALLY CONTROLLING A CONSTANT FLOW BY CONSIDERING A HEATING LOAD THE SPECIFICATION OF WHICH
    Publication number: 20120043389
    Abstract: Provided is an apparatus for automatically controlling a constant flow by considering a heating load in which a necessary request heat amount necessary for optimum heating is calculated by considering a heating load per room to find a optimum flow in proportion to the heat amount and reduce a total constant flow of the household by the optimum flow corresponding to the heating-stopped room, and thereby to save fuel cost in proportion to the heating-stopped flow and decrease tube noise due to cavitation.
    Type: Application
    Filed: April 27, 2010
    Publication date: February 23, 2012
    Applicant: SEMSYSTEM CO., LTD.
    Inventor: Chang Chil Yang