Patents by Inventor Chul Hee WON

Chul Hee WON 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: 11987099
    Abstract: A control method of an air conditioning system for compressor protection includes, when an air conditioner turn-on request is present, determining, by a controller, whether a compressor operating condition is satisfied from a refrigerant state of an air conditioner, when the compressor operating condition is determined as being satisfied, determining, by the controller, whether the vehicle is in a state of being unattended for a long period of time using information collected from a vehicle, when the vehicle is determined as being in a state of being unattended for a long period of time, performing, by the controller, pre-run control for operating the compressor in a predetermined minimum load condition; and when a pre-run operating time for which the compressor is operated in a minimum load condition reaches a predetermined pre-run holding time, interrupting, by the controller, the pre-run control with respect to the compressor.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: May 21, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Seung Hyun Won, Man Hee Park, Chul Min Kim, Dong Seok Oh, Hyo Bin Kim
  • Publication number: 20180072621
    Abstract: A fireproof board and a method of manufacturing the fireproof board are provided. The fireproof board may include a first aggregate using a shell containing lime, a second aggregate containing silicon, and a binder to bind the first aggregate and the second aggregate. The fireproof board may further include an admixture to mix the first aggregate and the second aggregate. The admixture may be a water-reducing agent, and polycarboxylate may be used as an admixture.
    Type: Application
    Filed: August 7, 2017
    Publication date: March 15, 2018
    Applicant: DOENC Co., Ltd.
    Inventors: Chul Hee WON, Ho Rim CHOI, Jeong Hun PARK, Bong Joo KIM, Ui In JUNG