Patents Examined by Paula Lynn Schneider
  • Patent number: 10026980
    Abstract: A method and system for maintaining stability of a system of a fuel cell vehicle are provided to prevent malfunction of sensors of a low voltage DC-DC converter and the respective controllers. A start timing of a fault diagnosis for the low voltage DC-DC converter and the respective controllers is determined and a deviation between voltages of the sensors of the low voltage DC-DC converter and the respective controllers is detected to determine whether the low voltage DC-DC converter and the respective controllers fail.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: July 17, 2018
    Assignee: Hyundai Motor Company
    Inventors: Seong Pil Ryu, Sung Suk Ok, Ji Tae Kim, Kyu Il Lee