Patents by Inventor Yong Sheen Hwang

Yong Sheen Hwang 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).

  • Pulsating operation method and system for fuel cell system
    Patent number: 9391333
    Abstract: A pulsating operation method and system for a fuel cell system that smoothly discharges water remaining in a fuel electrode of a fuel cell and, simultaneously, improves fuel utilization. The method includes performing a pulsation control that controls the magnitude and period of a pulsating operating pressure for hydrogen supplied to an anode of a fuel cell to smoothly discharge the water remaining in the anode, maximize fuel utilization of the anode, and improve operational stability of the fuel cell system.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: July 12, 2016
    Assignee: Hyundai Motor Company
    Inventors: Jae Hoon Kim, Yong Sheen Hwang
  • PULSATING OPERATION METHOD AND SYSTEM FOR FUEL CELL SYSTEM
    Publication number: 20140170518
    Abstract: A pulsating operation method and system for a fuel cell system that smoothly discharges water remaining in a fuel electrode of a fuel cell and, simultaneously, improves fuel utilization. The method includes performing a pulsation control that controls the magnitude and period of a pulsating operating pressure for hydrogen supplied to an anode of a fuel cell to smoothly discharge the water remaining in the anode, maximize fuel utilization of the anode, and improve operational stability of the fuel cell system.
    Type: Application
    Filed: June 12, 2013
    Publication date: June 19, 2014
    Inventors: Jae Hoon Kim, Yong Sheen Hwang