Patents by Inventor Tsunenori Yamasaki

Tsunenori Yamasaki 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).

  • Start control means for internal combustion engine
    Patent number: 4205641
    Abstract: An internal combustion engine having a starter carburetor in addition to a main carburetor. The starter carburetor includes a starting mixture passage provided with a starter valve which is normally open and adapted to be closed under an influence of the engine intake pressure when the engine temperature has reached a certain value. The engine includes a temperature responsive valve to mantain the influence of the engine intake pressure to hold the starter valve in the closed position after engine stop as far as the engine temperature is above a second certain value.
    Type: Grant
    Filed: January 11, 1979
    Date of Patent: June 3, 1980
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Tsunenori Yamasaki, Akira Ikeda, Takehiro Takashima