Patents by Inventor So Okita

So Okita 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).

  • Cooling system for power transmission unit
    Patent number: 11499625
    Abstract: A cooling system for a power transmission unit that can supply oil properly to a differential mechanism and motors. The cooling system comprises: a first branch passage to supply the oil to the differential mechanism; a second branch passage to supply the oil to the first motor; and a third branch passage to supply the oil to the second motor. The second branch passage includes a first oil feeding section that supplies the oil to a coil of the first motor, and a second oil feeding section that supplies the oil f to a core of the first motor. The third branch passage includes a third oil feeding section that supplies the oil to a coil of the second motor, and a fourth oil feeding section that supplies the oil to a core of the second motor.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: November 15, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kensei Hata, Akiko Nishimine, Shotaro Kato, Masashi Shinoda, So Okita
  • SUPPORTING STRUCTURE FOR ROTARY SHAFT
    Publication number: 20200173490
    Abstract: A shaft supporting structure in which a shaft support span is reduced to prevent flexure of the shaft. In the supporting structure, a rotary member is mounted on a rotary shaft supported by bearings to be rotated integrally therewith, and the bearings are supported by a support member. The first bearing and the second bearing are disposed on both sides of the rotary member on the rotary shaft, and the first bearing is disposed between the rotary member and the fastening member in the axial direction of the rotary shaft.
    Type: Application
    Filed: November 29, 2019
    Publication date: June 4, 2020
    Inventors: Masashi SHINODA, Akiko NISHIMINE, Shotaro KATO, Kensei HATA, So OKITA
  • COOLING SYSTEM FOR POWER TRANSMISSION UNIT
    Publication number: 20200149624
    Abstract: A cooling system for a power transmission unit that can supply oil properly to a differential mechanism and motors. The cooling system comprises: a first branch passage to supply the oil to the differential mechanism; a second branch passage to supply the oil to the first motor; and a third branch passage to supply the oil to the second motor. The second branch passage includes a first oil feeding section that supplies the oil to a coil of the first motor, and a second oil feeding section that supplies the oil f to a core of the first motor. The third branch passage includes a third oil feeding section that supplies the oil to a coil of the second motor, and a fourth oil feeding section that supplies the oil to a core of the second motor.
    Type: Application
    Filed: November 8, 2019
    Publication date: May 14, 2020
    Inventors: Kensei Hata, Akiko Nishimine, Shotaro Kato, Masashi Shinoda, So Okita