Patents by Inventor Tetsuro Nishi

Tetsuro Nishi 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).

  • Blade fastening structure for torque converter or fluid coupling
    Patent number: 4584835
    Abstract: A blade fastening structure for a torque converter or a fluid coupling forming a caulking part previously at an inner peripheral portion of an impeller, and fastening an inner peripheral portion of a blade to a shell by caulking the caulking part; in a torque converter or a fluid coupling forming the shell by welding an inner peripheral portion of a shell body having an annular groove of semi-circular section to a hub concentric with an output shaft, and forming the impeller by arranging a semi-elliptic blade between the shell and a core ring.
    Type: Grant
    Filed: September 25, 1984
    Date of Patent: April 29, 1986
    Assignee: Kabushiki Kaisha Daikin Seisakusho
    Inventor: Tetsuro Nishi