Keyed To A Sleeve/hub Patents (Class 310/156.13)
  • Rotor for electric motor and method of making the same
    Publication number: 20020047427
    Abstract: A rotor for an electric motor includes a frame previously formed and fixed to a rotational shaft of the motor so as to be rotated with the rotational shaft, and a magnet molded from a molten magnetic resin so as to be disposed at a stator side of the frame and so as to be integrated with the frame.
    Type: Application
    Filed: October 23, 2001
    Publication date: April 25, 2002
    Inventors: Tsuyoshi Shiga, Masami Endou
  • Rotor of electric motor and method for manufacturing the same
    Publication number: 20010048261
    Abstract: Between a permanent magnet formed in a ring shape and a rotating shaft arranged at the center of the permanent magnet, a cushioning member made of rubber material is vulcanized and molded, and the permanent magnet and the rotating shaft are integrally coupled through the cushioning member, whereby vibration isolation, eccentricity and the like of a rotor are realized with a small number of components to manufacture an electric motor at low cost.
    Type: Application
    Filed: May 1, 2001
    Publication date: December 6, 2001
    Applicant: FUJITSU GENERAL LIMITED
    Inventors: Tomonori Kojima, Toshiaki Tanno, Ken Maeyama, Hiroshi Okutsu