Patents by Inventor Shunichi Tsubota

Shunichi Tsubota 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 control apparatus of an engine
    Patent number: 5081974
    Abstract: A fuel control apparatus of an engine comprises fuel control means for controlling fuel supply means so that an amount of fuel supplied to the engine corresponds to an intake pressure on the basis of a signal outputted from intake pressure detecting means for detecting the intake pressure of an intake passageway, intake resistance changing means for changing a resistance of the intake air flowing through the intake passageway correspondingly to the operating condition of the engine, and correction means for correcting a supply amount of the fuel to be controlled by the fuel control means when the resistance of the intake air flowing through the intake passageway is changed by the intake resistance changing means.
    Type: Grant
    Filed: January 23, 1991
    Date of Patent: January 21, 1992
    Assignee: Mazda Motor Corporation
    Inventors: Takeshi Chikamori, Masaki Ohkubo, Akira Kamisakamoto, Shoji Imai, Shunichi Tsubota, Hideyuki Uemura, Shinichi Wakutani