Patents by Inventor Masateru KAWAKAMI

Masateru KAWAKAMI 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).

  • Patent number: 10063120
    Abstract: A motor may include a rotor including a shaft having a central axis; a stator opposite to the rotor, and comprising coils; a bearing supporting the shaft; a metallic bearing holder covering the stator and supporting the bearing; at least one busbar on an opposite axial side of the bearing holder and including a connection terminal connected with a a coil wire extending from one of the coils; and a coil support between the stator and the bearing holder and fixed to the stator. The bearing holder may include at least one through hole. The coil support may include at least one insulating support portion comprising an opening portion. A portion of the opening portion of the insulating support portion having a smallest cross-sectional area in the opening portion lies inside of an edge of one of the through holes of the bearing holder.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: August 28, 2018
    Assignee: NIDEC CORPORATION
    Inventors: Tatsuro Kawamoto, Takayuki Migita, Takao Atarashi, Masateru Kawakami, Takahiro Kizu
  • Publication number: 20160294240
    Abstract: A motor may include a rotor including a shaft having a central axis; a stator opposite to the rotor, and comprising coils; a bearing supporting the shaft; a metallic bearing holder covering the stator and supporting the bearing; at least one busbar on an opposite axial side of the bearing holder and including a connection terminal connected with a a coil wire extending from one of the coils; and a coil support between the stator and the bearing holder and fixed to the stator. The bearing holder may include at least one through hole. The coil support may include at least one insulating support portion comprising an opening portion. A portion of the opening portion of the insulating support portion having a smallest cross-sectional area in the opening portion lies inside of an edge of one of the through holes of the bearing holder.
    Type: Application
    Filed: March 30, 2016
    Publication date: October 6, 2016
    Inventors: Tatsuro KAWAMOTO, Takayuki MIGITA, Takao ATARASHI, Masateru KAWAKAMI, Takahiro KIZU