Patents by Inventor Goro Aoyama

Goro Aoyama 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).

  • Circular electromagnetic flow coupler
    Patent number: 4869647
    Abstract: A circular electromagnetic flow coupler comprises a circular flow path, conductive partition walls which divide the circular flow path into generator side flow paths and pump side flow paths in the circumferential direction thereof, insulators for insulating the inside and outside of the flow paths, and magnetic poles for generating a magnetic field in the radial direction of the circular flow path. The insulators are provided with openings so that they are not damaged when pressure is exerted thereto.
    Type: Grant
    Filed: August 9, 1988
    Date of Patent: September 26, 1989
    Assignee: Hitachi, Ltd.
    Inventors: Goro Aoyama, Ryuhei Kawabe, Takashi Ikeda, Tadashi Goto