Patents by Inventor Kenji Kuryu

Kenji Kuryu 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).

  • Lubricating structure for transmission
    Patent number: 7975804
    Abstract: A lubricating structure for a transmission includes an axial hole formed penetrating through a gear shaft in an axial direction thereof and having a first opening at one axial end of the gear shaft for supplying therein a lubricant and a second opening at the other axial end thereof, a first oil hole provided on the gear shaft in a radial direction thereof to establish communication between the axial hole and an outside of the gear shaft, and a tapered groove provided on an inner wall of the axial hole in the axial direction thereof, wherein the lubricant is supplied to a portion needing lubrication via the axial hole or via the axial hole and the first oil hole, and the tapered groove is deeper at the second opening side than the first opening side.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: July 12, 2011
    Assignee: Aisin AI Co., Ltd.
    Inventor: Kenji Kuryu
  • Lubricating structure for transmission
    Publication number: 20080251324
    Abstract: A lubricating structure for a transmission includes an axial hole formed penetrating through a gear shaft in an axial direction thereof and having a first opening at one axial end of the gear shaft for supplying therein a lubricant and a second opening at the other axial end thereof, a first oil hole provided on the gear shaft in a radial direction thereof to establish communication between the axial hole and an outside of the gear shaft, and a tapered groove provided on an inner wall of the axial hole in the axial direction thereof, wherein the lubricant is supplied to a portion needing lubrication via the axial hole or via the axial hole and the first oil hole, and the tapered groove is deeper at the second opening side than the first opening side.
    Type: Application
    Filed: March 28, 2008
    Publication date: October 16, 2008
    Applicant: AISIN AI CO., LTD
    Inventor: Kenji Kuryu