Patents by Inventor Syoichi Fukunaga

Syoichi Fukunaga 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).

  • Fuel injection device for internal combustion engines
    Patent number: 4184465
    Abstract: A fuel injection device is disposed in a fuel supply passageway and adapted to control the amount of injection by controlling the opening time and/or opening area of a gate controlled in connection with engine rpm and the amount of suction air. The difference between the fuel supply pressure and the negative pressure in a suction pipe is maintained constant by a pressure regulator. The device contains a mechanism for compensating fuel supply pressure according to fuel temperature.
    Type: Grant
    Filed: June 3, 1977
    Date of Patent: January 22, 1980
    Assignee: NTN Toyo Bearing Co., Ltd.
    Inventors: Tugito Nakazeki, Kei Kimata, Syoichi Fukunaga, Takashi Kuroiwa, Seiji Morii