Patents by Inventor Yukiyasu SUGIURA

Yukiyasu SUGIURA 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).

  • Rotor with stress relaxation magnetic flux suppression holes with flux paths width less than length of the hole
    Patent number: 11056939
    Abstract: A rotor that includes a permanent magnet; and a rotor core that has a magnet placement hole in which the permanent magnet is disposed, wherein the stress relaxation magnetic flux suppression hole is formed such that a total width of a minimum width of a first magnetic flux passage between a portion of the stress relaxation magnetic flux suppression hole on a first side in the longitudinal direction and the magnet placement hole and a minimum width of a second magnetic flux passage between a portion of the stress relaxation magnetic flux suppression hole on a second side in the longitudinal direction and the magnet placement hole is less than a total length of a length of the first magnetic flux passage in the longitudinal direction and a length of the second magnetic flux passage in the longitudinal direction.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: July 6, 2021
    Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yukiyasu Sugiura, Masayuki Ikemoto, Naoto Saito, Suguru Gangi, Shinya Sano
  • ROTOR AND ROTARY ELECTRIC MACHINE
    Publication number: 20200014262
    Abstract: A rotor that includes a permanent magnet; and a rotor core that has a magnet placement hole in which the permanent magnet is disposed, wherein the stress relaxation magnetic flux suppression hole is formed such that a total width of a minimum width of a first magnetic flux passage between a portion of the stress relaxation magnetic flux suppression hole on a first side in the longitudinal direction and the magnet placement hole and a minimum width of a second magnetic flux passage between a portion of the stress relaxation magnetic flux suppression hole on a second side in the longitudinal direction and the magnet placement hole is less than a total length of a length of the first magnetic flux passage in the longitudinal direction and a length of the second magnetic flux passage in the longitudinal direction.
    Type: Application
    Filed: June 28, 2019
    Publication date: January 9, 2020
    Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yukiyasu SUGIURA, Masayuki IKEMOTO, Naoto SAITO, Suguru GANGI, Shinya SANO