Patents by Inventor Shuuitsu AIHARA

Shuuitsu AIHARA 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).

  • Rotating electric machine and coil fixing method for rotating electric machine
    Patent number: 12176777
    Abstract: A rotating electric machine in which a coil wrapped in an insulating sheet is fixed to a slot provided in an iron core, wherein the insulating sheet has a porous structure, the coil and the insulating sheet, and the insulating sheet and the iron core are each fixed by an insulating varnish which is brought into a dispersion state by ultrasonic irradiation, and a mixed layer in which the insulating varnish and the insulating sheet are mixed due to penetration of the insulating varnish is formed in at least a predetermined range from a surface layer to an interior of the insulating sheet.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: December 24, 2024
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Takayuki Takatsuka, Takashi Yanai, Akihisa Hori, Akio Tamaru, Akio Hoshina, Shuuitsu Aihara, Toshikazu Nishizawa, Osamu Nagata
  • ROTATING ELECTRIC MACHINE AND COIL FIXING METHOD FOR ROTATING ELECTRIC MACHINE
    Publication number: 20240266896
    Abstract: A rotating electric machine in which a coil wrapped in an insulating sheet is fixed to a slot provided in an iron core, wherein the insulating sheet has a porous structure, the coil and the insulating sheet, and the insulating sheet and the iron core are each fixed by an insulating varnish which is brought into a dispersion state by ultrasonic irradiation, and a mixed layer in which the insulating varnish and the insulating sheet are mixed due to penetration of the insulating varnish is formed in at least a predetermined range from a surface layer to an interior of the insulating sheet.
    Type: Application
    Filed: July 15, 2021
    Publication date: August 8, 2024
    Inventors: Takayuki TAKATSUKA, Takashi YANAI, Akihisa HORI, Akio TAMARU, Akio HOSHINA, Shuuitsu AIHARA, Toshikazu NISHIZAWA, Osamu NAGATA