Patents by Inventor Mikiya Sakurai

Mikiya Sakurai 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).

  • Stator of vehicle ac generator
    Patent number: 6770999
    Abstract: In a stator of a vehicle ac generator, a stator core has plurality of slots, each of which has a rectangular cross-section and a stator winding formed of a plurality of U-shaped conductor segments made of a round wire. Each of U-shaped conductor segment has a U-shaped turn portion disposed outside the slots at an end of the stator core, a pair of in-slot portions extending from the turn portion and disposed in a pair of the slots and a pair of connection portions respectively welded to connection portions of other two U-shaped conductor segments. Only the in-slot portions are press-formed to have an approximately rectangular cross section fitted to the slots.
    Type: Grant
    Filed: February 14, 2003
    Date of Patent: August 3, 2004
    Assignee: Denso Corporation
    Inventor: Mikiya Sakurai
  • Stator of vehicle AC generator
    Publication number: 20030164656
    Abstract: In a stator of a vehicle ac generator, a stator core has plurality of slots, each of which has a rectangular cross-section and a stator winding formed of a plurality of U-shaped conductor segments made of a round wire. Each of U-shaped conductor segment has a U-shaped turn portion disposed outside the slots at an end of the stator core, a pair of in-slot portions extending from the turn portion and disposed in a pair of the slots and a pair of connection portions respectively welded to connection portions of other two U-shaped conductor segments. Only the in-slot portions are press-formed to have an approximately rectangular cross section fitted to the slots.
    Type: Application
    Filed: February 14, 2003
    Publication date: September 4, 2003
    Applicant: Denso Corporation
    Inventor: Mikiya Sakurai