Patents by Inventor UNG HOE KIM

UNG HOE KIM 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: 9499055
    Abstract: An inverter for an electric vehicle is provided. The inverter for an electric vehicle, which controls an RPM of a motor for the electric vehicle, the inverter including a busbar connected to a power semiconductor module for supplying current, a current sensor measuring the current passing through the busbar, and a control board on which the current sensor is mounted, the control board controlling the motor for the electric vehicle according to a result measured by the current sensor. The busbar is disposed to vertically pass through the current sensor and control board.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: November 22, 2016
    Assignee: LSIS CO., LTD.
    Inventors: Sung Jun Oh, Chang Min Jung, Beum Jun Kim, Ung Hoe Kim, Ki Young Moon
  • Patent number: 9312764
    Abstract: An apparatus and a method for controlling a direct-current (DC)-DC converter used in a vehicle are provided. The apparatus includes a switching control unit checking a difference between voltages of an input unit and an output unit and controlling an operation of at least one switch formed in a converter according to an operation mode of the converter according to the difference of voltages; and the converter controlling the operation of the at least one switch based on a control signal applied from the switching control unit to allow a current to flow from the input unit to the output unit.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: April 12, 2016
    Assignee: LSIS CO., LTD.
    Inventors: Se Hyung Lee, Bum Su Jun, Ung Hoe Kim, Hyoung Taek Kim, Young Min Kim
  • Patent number: 9107319
    Abstract: A DC link capacitor assembly is provided. The DC link capacitor assembly according to the embodiment includes a DC link capacitor disposed in a housing. The housing includes a top surface, a bottom surface disposed spaced downward from the top surface, at least one side surface connecting the top surface to the bottom surface, an opening defined at a front side between the top surface and the bottom surface and an external capacitor accommodation part disposed outside the side surface.
    Type: Grant
    Filed: November 7, 2013
    Date of Patent: August 11, 2015
    Assignee: LSIS Co., Ltd.
    Inventors: Han Uk Jeong, Ung Hoe Kim, Hyoung Taek Kim
  • Publication number: 20150151695
    Abstract: An inverter for an electric vehicle is provided. The inverter for an electric vehicle, which controls an RPM of a motor for the electric vehicle, the inverter including a busbar connected to a power semiconductor module for supplying current, a current sensor measuring the current passing through the busbar, and a control board on which the current sensor is mounted, the control board controlling the motor for the electric vehicle according to a result measured by the current sensor. The busbar is disposed to vertically pass through the current sensor and control board.
    Type: Application
    Filed: November 21, 2014
    Publication date: June 4, 2015
    Applicant: LSIS CO., LTD.
    Inventors: SUNG JUN OH, CHANG MIN JUNG, BEUM JUN KIM, UNG HOE KIM, KI YOUNG MOON
  • Publication number: 20140168869
    Abstract: A DC link capacitor assembly is provided. The DC link capacitor assembly according to the embodiment includes a DC link capacitor disposed in a housing. The housing includes a top surface, a bottom surface disposed spaced downward from the top surface, at least one side surface connecting the top surface to the bottom surface, an opening defined at a front side between the top surface and the bottom surface and an external capacitor accommodation part disposed outside the side surface.
    Type: Application
    Filed: November 7, 2013
    Publication date: June 19, 2014
    Applicant: LSIS CO., LTD.
    Inventors: HAN UK JEONG, UNG HOE KIM, HYOUNG TAEK KIM
  • Publication number: 20140117963
    Abstract: An apparatus and a method for controlling a direct-current (DC)-DC converter used in a vehicle are provided. The apparatus includes a switching control unit checking a difference between voltages of an input unit and an output unit and controlling an operation of at least one switch formed in a converter according to an operation mode of the converter according to the difference of voltages; and the converter controlling the operation of the at least one switch based on a control signal applied from the switching control unit to allow a current to flow from the input unit to the output unit.
    Type: Application
    Filed: October 23, 2013
    Publication date: May 1, 2014
    Applicant: LSIS CO., LTD.
    Inventors: SE HYUNG LEE, BUM SU JUN, UNG HOE KIM, HYOUNG TAEK KIM, YOUNG MIN KIM
  • Publication number: 20140117890
    Abstract: An initial starting apparatus and method for a vehicle are provided. The initial starting apparatus includes: a converter configured to identify remaining energies of an energy storage and a battery during a wakeup mode; a controller configured to control the wakeup mode of the converter and control energy to be applied from the energy storage and the battery to a starter motor in accordance with the remaining energies of the energy storage and the battery; the energy storage configured to apply energy to the starter motor under the control of the controller; the battery configured to apply energy to the starter motor under the control of the controller; and the starter motor configured to be driven by being supplied with a combined energy obtained by combining the energies from the energy storage and the battery.
    Type: Application
    Filed: October 23, 2013
    Publication date: May 1, 2014
    Applicant: LSIS CO., LTD.
    Inventors: SE HYUNG LEE, BUM SU JUN, UNG HOE KIM, HYOUNG TAEK KIM, YOUNG MIN KIM