Patents by Inventor Jun TSURUHA

Jun TSURUHA 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, rotary electric machine, and method of producing rotor
    Patent number: 10566862
    Abstract: A rotor, a rotary electric machine, and a rotor production method that reduce parts count, allow easy fixing, and prevent displacement. The rotor includes a rotor core having a cylindrical shape and a plurality of insertion holes, and a sensor magnet having an annular shape and placed coaxially with the rotor core, in which the sensor magnet has a plurality of protrusions protruding toward the rotor core, the plurality of protrusions are inserted into the plurality of insertion holes, and the rotor core and the sensor magnet are firmly fixed to each other by resin.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: February 18, 2020
    Assignee: Mitsubishi Electric Corporation
    Inventors: Jun Tsuruha, Ryo Nabika, Hiroshi Yamanaka
  • ROTOR, ROTARY ELECTRIC MACHINE, AND METHOD OF PRODUCING ROTOR
    Publication number: 20190089213
    Abstract: A rotor, a rotary electric machine, and a rotor production method that reduce parts count, allow easy fixing, and prevent displacement. The rotor includes a rotor core having a cylindrical shape and a plurality of insertion holes, and a sensor magnet having an annular shape and placed coaxially with the rotor core, in which the sensor magnet has a plurality of protrusions protruding toward the rotor core, the plurality of protrusions are inserted into the plurality of insertion holes, and the rotor core and the sensor magnet are firmly fixed to each other by resin.
    Type: Application
    Filed: November 13, 2015
    Publication date: March 21, 2019
    Inventors: Jun TSURUHA, Ryo NABIKA, Hiroshi YAMANAKA