Patents by Inventor Kazuyuki Demachi

Kazuyuki Demachi 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).

  • Superconducting magnetic bearing
    Patent number: 7466051
    Abstract: A superconductive magnetic bearing 22 comprises a stationary bearing portion 23 having an annular superconductor unit 26 provided on a fixed portion 20, and a rotatable bearing portion 24 having annular permanent magnet units 28, 29 provided on a rotary portion 21 so as to be opposed to the superconductor unit 26. The rotary portion 21 is contactlessly supported relative to the fixed portion 20 by the pinning effect of a superconductor constituting the superconductor unit 26. The permanent magnet units 28, 29 each comprise a plurality of permanent magnet members arranged in superposed layers with an insulating layer provided between each adjacent pair of magnet members.
    Type: Grant
    Filed: August 2, 2002
    Date of Patent: December 16, 2008
    Assignees: JTEKT Corporation
    Inventors: Kenzo Miya, Kazuyuki Demachi, Hironori Kameno, Ryouchi Takahata
  • Superconducting magnetic bearing
    Publication number: 20060103249
    Abstract: A superconductive magnetic bearing 22 comprises a stationary bearing portion 23 having an annular superconductor unit 26 provided on a fixed portion 20, and a rotatable bearing portion 24 having annular permanent magnet units 28, 29 provided on a rotary portion 21 so as to be opposed to the superconductor unit 26. The rotary portion 21 is contactlessly supported relative to the fixed portion 20 by the pinning effect of a superconductor constituting the superconductor unit 26. The permanent magnet units 28, 29 each comprise a plurality of permanent magnet members arranged in superposed layers with an insulating layer provided between each adjacent pair of magnet members.
    Type: Application
    Filed: August 2, 2002
    Publication date: May 18, 2006
    Applicants: KOYO SEIKO CO., LTD, KAZUYKI DEMACHI
    Inventors: Kenzo Miya, Kazuyuki Demachi, Hironori Kameno, Ryouichi Takahata