Patents by Inventor Yoshiyasu SAKAI

Yoshiyasu SAKAI 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).

  • Electric motor unit and drive unit for vehicle
    Patent number: 10622864
    Abstract: An electric motor unit includes an electric motor and a connection module. The electric motor includes motor coils, a stator and a rotor. The electrical connection module includes a power feed bus bar and a neutral bus bar. The power feed bus bar includes power feed collars for each phase, in which terminal portions for each phase are arranged. The neutral bus bar includes a neutral collar in which neutral terminal portions are arranged. When viewed in a direction intersecting with a second cross section, which intersects with a first cross section containing all the neutral terminal portions, the minimum distance between a second cross-section neutral terminal row on the second cross section and a second cross-section power feed terminal row on the second cross section is greater than zero.
    Type: Grant
    Filed: January 18, 2016
    Date of Patent: April 14, 2020
    Assignee: JTEKT CORPORATION
    Inventors: Akira Hiramitsu, Ryohei Shigeta, Yoshinao Iwase, Keita Nomura, Masayuki Kikuchi, Yoshiyasu Sakai
  • ELECTRIC MOTOR UNIT AND DRIVE UNIT FOR VEHICLE
    Publication number: 20180006522
    Abstract: All electric motor unit includes an electric motor and a connection module. The electric motor includes motor coils, a stator and a rotor. The electrical connection module includes a power feed bus bar and a neutral bus bar. The power feed bus bar includes power feed collars for each phase, in which terminal portions for each phase are arranged. The neutral bus bar includes a neutral collar in which neutral terminal portions are arranged. When viewed in a direction intersecting with a second cross section, which intersects with a first cross section containing all the neutral terminal portions, the minimum distance between a second cross-section neutral terminal row on the second cross section and a second cross-section power feed terminal row on the second cross section is greater than zero.
    Type: Application
    Filed: January 18, 2016
    Publication date: January 4, 2018
    Applicant: JTEKT CORPORATION
    Inventors: Akira HIRAMITSU, Ryohei SHIGETA, Yoshinao IWASE, Keita NOMURA, Masayuki KIKUCHI, Yoshiyasu SAKAI