Patents by Inventor Takumi TODOROKI

Takumi TODOROKI 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).

  • Power supply circuit and rotary electric machine system
    Patent number: 12107462
    Abstract: A power supply circuit includes a first and second circuits connected to a first and second phase windings of a rotary electric machine, respectively. The first circuit includes first to fourth arms and a first switch. The midpoints of the first and second arms are connected to respective ends of a first winding unit, the midpoints of the third and fourth arms are connected to respective ends of a second winding unit, and the first switch is connected between the midpoints of the second and third arms. The second circuit includes fifth to eighth arms and a second switch. The midpoints of fifth and sixth arms are connected to respective ends of a third winding unit, the midpoints of seventh and eighth arms are connected to respective ends of a fourth winding unit, and the second switch is connected between the midpoints of the sixth and seventh arm.
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: October 1, 2024
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yoshihisa Kubota, Shogo Miyazaki, Satoyoshi Oya, Takumi Todoroki
  • POWER SUPPLY CIRCUIT AND ROTARY ELECTRIC MACHINE SYSTEM
    Publication number: 20230098598
    Abstract: A power supply circuit includes a first and second circuits connected to a first and second phase windings of a rotary electric machine, respectively. The first circuit includes first to fourth arms and a first switch. The midpoints of the first and second arms are connected to respective ends of a first winding unit, the midpoints of the third and fourth arms are connected to respective ends of a second winding unit, and the first switch is connected between the midpoints of the second and third arms. The second circuit includes fifth to eighth arms and a second switch. The midpoints of fifth and sixth arms are connected to respective ends of a third winding unit, the midpoints of seventh and eighth arms are connected to respective ends of a fourth winding unit, and the second switch is connected between the midpoints of the sixth and seventh arm.
    Type: Application
    Filed: September 15, 2022
    Publication date: March 30, 2023
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Yoshihisa KUBOTA, Shogo MIYAZAKI, Satoyoshi OYA, Takumi TODOROKI