Patents by Inventor Hyoungmin HAN

Hyoungmin HAN 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: 11802530
    Abstract: In a method of removing particles in an injector of a diesel engine, a stop of the diesel engine may be recognized. An injection signal may be inputted into the injector of the stopped diesel engine. A control valve of the injector may be moved in a low-pressure passage by the injection signal to remove the particles accumulated on an inner wall of the low-pressure passage. Thus, a malfunction of the control valve caused by the particles may be previously prevented.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: October 31, 2023
    Assignee: HYUNDAI DOOSAN INFRACORE CO., LTD.
    Inventor: Hyoungmin Han
  • Publication number: 20220252031
    Abstract: In a method of removing particles in an injector of a diesel engine, a stop of the diesel engine may be recognized. An injection signal may be inputted into the injector of the stopped diesel engine. A control valve of the injector may be moved in a low-pressure passage by the injection signal to remove the particles accumulated on an inner wall of the low-pressure passage. Thus, a malfunction of the control valve caused by the particles may be previously prevented.
    Type: Application
    Filed: January 26, 2022
    Publication date: August 11, 2022
    Inventor: Hyoungmin HAN