Patents by Inventor Takumi TOMINAGA

Takumi TOMINAGA 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).

  • Publication number: 20230006488
    Abstract: A rotating electrical machine according to one aspect of the present invention includes: a rotor rotatable about a central axis; and a stator located radially outside the rotor. The rotor includes: a rotor core that includes a plurality of electromagnetic steel plates laminated in an axial direction and that has a plurality of accommodation holes; and a plurality of magnets respectively accommodated in the plurality of accommodation holes. The rotor core includes: a first recess recessed from a first core end face on a first axial side to a second axial side; a first swaged part provided on a bottom surface of the first recess; and a first protrusion that protrudes toward each of the magnets in a direction in which an inner peripheral edge of each of the accommodation holes intersects an axial direction, the first protrusion butting against a side face of the magnet.
    Type: Application
    Filed: June 24, 2022
    Publication date: January 5, 2023
    Inventors: Takumi TOMINAGA, Yuta KIMURA, Takeshi HONDA, Yosuke TANAKA