Patents by Inventor Kousei Nakajima

Kousei Nakajima 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).

  • Vortex action fuel injection valve for internal combustion engine
    Patent number: 4006719
    Abstract: An air vortex chamber is provided downstream of the valve seat portion of a fuel injection valve body such that the fuel injecting from the valve seat portion collides with the inner wall of the vortex chamber in a plane coincident with a plurality of tangential air passages which introduce air into the vortex chamber and create the vortex action.
    Type: Grant
    Filed: February 18, 1975
    Date of Patent: February 8, 1977
    Assignee: Diesel Kiki Co., Ltd.
    Inventors: Fumio Kanda, Kousei Nakajima