Patents by Inventor Matsumi Kawamoto

Matsumi Kawamoto 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).

  • Hydraulic centrifugal clutch
    Patent number: 4509627
    Abstract: A hydraulic centrifugal clutch comprises an input shaft; an output shaft; a hydraulic servomechanism including a fixed cylinder fixed to said input shaft, an axially movable piston mounted on said input shaft and forming a first cylindrical chamber in combination with said fixed cylinder, and a fixed piston fixedly mounted on said input shaft and fitted in a cylindrical flange portion of said movable piston for forming a second cylindrical chamber in combination with said movable piston. A friction clutch mechanism is formed between said output shaft and said fixed cylinder, and a diaphragm spring is disposed within said second cylindrical chamber.
    Type: Grant
    Filed: August 3, 1982
    Date of Patent: April 9, 1985
    Assignee: Aisin Warner Kabushiki Kaisha
    Inventor: Matsumi Kawamoto