Patents by Inventor Yon Do CHUN

Yon Do CHUN 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).

  • Electric machine having asymmetric magnetic pole shape for torque ripple reduction
    Patent number: 10256683
    Abstract: There is provided an electric machine, which is configured such that magnetic poles provided on a stator and a mover or rotor of the electric machine have an asymmetric shape, thus being capable of reducing a torque ripple.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: April 9, 2019
    Assignee: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTE
    Inventors: Shi Uk Chung, Byung Chul Woo, Ji Young Lee, Yon Do Chun, Do Kwan Hong
  • ELECTRIC MACHINE HAVING ASYMMETRIC MAGNETIC POLE SHAPE FOR TORQUE RIPPLE REDUCTION
    Publication number: 20150054372
    Abstract: There is provided an electric machine, which is configured such that magnetic poles provided on a stator and a mover or rotor of the electric machine have an asymmetric shape, thus being capable of reducing a torque ripple.
    Type: Application
    Filed: August 22, 2014
    Publication date: February 26, 2015
    Inventors: Shi Uk CHUNG, Byung Chul WOO, Ji Young LEE, Yon Do CHUN, Do Kwan HONG