Patents by Inventor Bon Kil KOO

Bon Kil KOO 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).

  • 2-segment quasi-Halbach rotor of motor
    Patent number: 11817746
    Abstract: The present invention relates to a rotor of motor, and more particularly, to a 2-segment quasi-Halbach rotor of motor that includes a radial magnet and a circumferential magnet which are Halbach-arrayed and a back iron providing a flux to reduce a thickness of the magnet and acquire high air-gap flux density.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: November 14, 2023
    Assignees: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION, KNR SYSTEM, INC., EPT CO., INC.
    Inventors: Kwang Hee Nam, Jae Hak Kim, Sang Moo Lee, Myoung Han Kim, Bon Kil Koo
  • 2-SEGMENT QUASI-HALBACH ROTOR OF MOTOR
    Publication number: 20220166273
    Abstract: The present invention relates to a rotor of motor, and more particularly, to a 2-segment quasi-Halbach rotor of motor that includes a radial magnet and a circumferential magnet which are Halbach-arrayed and a back iron providing a flux to reduce a thickness of the magnet and acquire high air-gap flux density.
    Type: Application
    Filed: November 22, 2021
    Publication date: May 26, 2022
    Inventors: Kwang Hee NAM, Jae Hak KIM, Sang Moo LEE, Myoung Han KIM, Bon Kil KOO