Patents by Inventor Tuyoshi Nonaka

Tuyoshi Nonaka 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: 8174173
    Abstract: A rotating electric machine includes a rotor, a stator and a load side bracket. The rotor has an outer rotor surface around a rotational axis. The stator is provided to surround the outer rotor surface. The stator includes a stator core and a stator coil. The stator core has teeth. Each of the teeth is inserted in the stator coil. The stator coil includes a coil end which is provided on a load side of the stator. The stator coil has an inner coil surface facing the teeth, an outer coil surface which is a reverse side of the inner coil surface. One end and another end of the wire are formed on the outer coil surface. The load side bracket has a groove in which the coil end is provided.
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: May 8, 2012
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Shogo Makino, Tuyoshi Nonaka
  • Publication number: 20120025663
    Abstract: A rotating electric machine includes a rotor, a stator and a load side bracket. The rotor has an outer rotor surface around a rotational axis. The stator is provided to surround the outer rotor surface. The stator includes a stator core and a stator coil. The stator core has teeth. Each of the teeth is inserted in the stator coil. The stator coil includes a coil end which is provided on a load side of the stator. The stator coil has an inner coil surface facing the teeth, an outer coil surface which is a reverse side of the inner coil surface. One end and another end of the wire are formed on the outer coil surface. The load side bracket has a groove in which the coil end is provided.
    Type: Application
    Filed: October 5, 2011
    Publication date: February 2, 2012
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Shogo MAKINO, Tuyoshi Nonaka
  • Patent number: 8063547
    Abstract: In the rotating electric machine of the present invention, a groove, in which a load side coil end is inserted, is formed on a load side bracket; a ceramic coat is formed on the inner surface of the groove; and one or more surfaces including at least the end surface of the load side coil end among the inner circumferential surface, outer circumferential surface, and end surface of the load side coil end adhere closely to the inner surface of the groove, in which the coat is formed.
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: November 22, 2011
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Shogo Makino, Tuyoshi Nonaka
  • Patent number: 7898143
    Abstract: A rotary electric motor includes a cylindrical rotor having an outer peripheral side, a stator provided to surround the outer peripheral side of the rotor with a gap between the stator and the rotor, and a load side bracket having a recess and provided on a load side of the stator. The stator includes stator coils and a stator core having teeth portions around which the stator coils are wound. A load side coil end of each of the stator coils protrudes from a load side end face of the stator core. At least two of an inner peripheral surface, an outer peripheral surface, and an end face of the load side coil end contact an inner surface of the recess via an insulator.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: March 1, 2011
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventor: Tuyoshi Nonaka
  • Publication number: 20100019588
    Abstract: In the rotating electric machine of the present invention, a groove, in which a load side coil end is inserted, is formed on a load side bracket; a ceramic coat is formed on the inner surface of the groove; and one or more surfaces including at least the end surface of the load side coil end among the inner circumferential surface, outer circumferential surface, and end surface of the load side coil end adhere closely to the inner surface of the groove, in which the coat is formed.
    Type: Application
    Filed: June 24, 2009
    Publication date: January 28, 2010
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Shogo MAKINO, Tuyoshi NONAKA
  • Publication number: 20090322180
    Abstract: A rotary electric motor includes a cylindrical rotor having an outer peripheral side, a stator provided to surround the outer peripheral side of the rotor with a gap between the stator and the rotor, and a load side bracket having a recess and provided on a load side of the stator. The stator includes stator coils and a stator core having teeth portions around which the stator coils are wound. A load side coil end of each of the stator coils protrudes from a load side end face of the stator core. At least two of an inner peripheral surface, an outer peripheral surface, and an end face of the load side coil end contact an inner surface of the recess via an insulator.
    Type: Application
    Filed: August 31, 2009
    Publication date: December 31, 2009
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventor: Tuyoshi Nonaka