Patents by Inventor Changheoi HU

Changheoi HU 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: 11441788
    Abstract: According to an aspect of the present disclosure, there is disclosed a method of determining the use of hot water performed in a system including a water heater and an air handler. The method includes: sensing a temperature of influent flowing into the water heater; sensing a temperature of effluent flowing out of the air handler; calculating a temperature difference between the temperature of the influent and the temperature of the effluent; and determining whether hot water is used by calculating whether the temperature difference is greater than a predetermined value.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: September 13, 2022
    Assignee: KYUNGDONG NAVIEN CO., LTD.
    Inventors: Changheoi Hu, Euneok Lee
  • Publication number: 20190346155
    Abstract: According to an aspect of the present disclosure, there is disclosed a method of determining the use of hot water performed in a system including a water heater and an air handler. The method includes: sensing a temperature of influent flowing into the water heater; sensing a temperature of effluent flowing out of the air handler; calculating a temperature difference between the temperature of the influent and the temperature of the effluent; and determining whether hot water is used by calculating whether the temperature difference is greater than a predetermined value.
    Type: Application
    Filed: May 13, 2019
    Publication date: November 14, 2019
    Applicant: Kyung Dong Electronics Co., Ltd.
    Inventors: Changheoi HU, Euneok LEE