Patents by Inventor Pureunsam PARK

Pureunsam PARK 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: 20230339291
    Abstract: The present invention relates to a control circuit, and more particularly, to a complex motor and heater driving circuit capable of separately or simultaneously controlling a three-phase motor and a heater and a control system therefor.
    Type: Application
    Filed: September 17, 2021
    Publication date: October 26, 2023
    Inventors: Songcheol LEE, Min Sik KIM, Sang Hun KIM, Tae Wan KIM, Pureunsam PARK, Kyung Won AN
  • Patent number: 11108347
    Abstract: The present disclosure relates to a motor rotor control device and method capable of reducing noise caused by the alignment of a motor rotor, and securing stability of staring a motor. The motor rotor control device in accordance with an embodiment of the present disclosure includes a motor having a rotor; an inverter for supplying a three-phase alternating-current voltage to the motor; and a control unit for estimating the initial location of the rotor upon the initial driving of the motor, correcting the location of the rotor by a predetermined angle from the estimated initial location, and then driving the motor.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: August 31, 2021
    Assignee: Hanon Systems
    Inventors: Pureunsam Park, Ho Bin Im, Sang Hun Kim, Won Seok Kim, Tae Wan Kim, Sung Joon Lee
  • Publication number: 20210091690
    Abstract: The present disclosure relates to a motor rotor control device and method capable of reducing noise caused by the alignment of a motor rotor, and securing stability of staring a motor. The motor rotor control device in accordance with an embodiment of the present disclosure includes a motor having a rotor; an inverter for supplying a three-phase alternating-current voltage to the motor; and a control unit for estimating the initial location of the rotor upon the initial driving of the motor, correcting the location of the rotor by a predetermined angle from the estimated initial location, and then driving the motor.
    Type: Application
    Filed: August 28, 2017
    Publication date: March 25, 2021
    Inventors: Pureunsam PARK, Ho Bin IM, Sang Hun KIM, Won Seok KIM, Tae Wan KIM, Sung Joon LEE