Patents by Inventor Changheoi Heo

Changheoi Heo 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: 9513018
    Abstract: A method for controlling a parallel operation of a multi-water heater in which a plurality of water heaters are connected to each other in parallel, according to the present invention, comprises: measuring the temperature of direct water that flows into the multi-water heater; sensing a set temperature set by a user; calculating a temperature difference between the set temperature and the direct water temperature; and changing a reference value to additionally operate or stop each water heater according to the calculated temperature difference, thereby efficiently operate the multi-water heater even though the circumstance and conditions of use are changed.
    Type: Grant
    Filed: October 21, 2010
    Date of Patent: December 6, 2016
    Assignee: KYUNGDONG ONE CORPORATION
    Inventors: Si-Hwan Kim, Changheoi Heo
  • Publication number: 20120160472
    Abstract: A method for controlling a parallel operation of a multi-water heater in which a plurality of water heaters are connected to each other in parallel, according to the present invention, comprises: measuring the temperature of direct water that flows into the multi-water heater; sensing a set temperature set by a user; calculating a temperature difference between the set temperature and the direct water temperature; and changing a reference value to additionally operate or stop each water heater according to the calculated temperature difference, thereby efficiently operate the multi-water heater even though the circumstance and conditions of use are changed.
    Type: Application
    Filed: October 21, 2010
    Publication date: June 28, 2012
    Inventors: Si-Hwan Kim, Changheoi Heo