Patents by Inventor Jung Mo YU

Jung Mo YU 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).

  • Publication number: 20210313877
    Abstract: A flying DC-to-DC converter has a capacitor protection function of preventing a flying capacitor from overheating. The flying DC-to-DC converter estimates the temperature of a capacitor on the basis of a switching duty and an inductor current determined according to a result of comparison between an output voltage and a voltage instruction value, and determines whether to perform de-rating.
    Type: Application
    Filed: September 29, 2020
    Publication date: October 7, 2021
    Inventors: Jung Hwi KIM, Jung Mo YU, Yong Jae LEE, Jae Ho HWANG, Joo Young PARK, Jae Hyeon PARK
  • Publication number: 20210061128
    Abstract: A system for increasing a temperature of a battery includes an inverter including a plurality of legs each including one pair of switching devices connected in series to each other between opposite ends of the battery and corresponding to a plurality of phases, respectively, a motor including a plurality of coils corresponding to the plurality of phases, respectively, where one end of each of the plurality of coils is connected to a connection node between one pair of switching devices included in a corresponding leg and other ends of the coils are connected to each other, and a controller configured to select two phases of the plurality of phases, and to alternately control an on/off state of switching devices included in two legs in the inverter, corresponding to the two selected phases, at a preset switching frequency to generate alternating current (AC) supplied to the battery.
    Type: Application
    Filed: January 28, 2020
    Publication date: March 4, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Yong Jae LEE, Su Hyun BAE, Jung Mo YU, Jae Ho HWANG, Joo Young PARK