Patents by Inventor Kashuhiko Motosugi

Kashuhiko Motosugi 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).

  • Internal combustion engine with an auxiliary combustion chamber
    Patent number: 4170968
    Abstract: Disclosed is an internal combustion engine comprising a main chamber and an auxiliary chamber which are interconnected to each other via a connecting passage. The spark plug is located in the deep interior of the auxiliary chamber remote from the main chamber. The connecting passage comprises a first open end opening into the deep interior of the auxiliary chamber, and two second open ends opening into the main chamber. When the piston reaches the top dead center position, the main chamber defines therein two spaces having approximately equal volumes and including the corresponding second open ends. The second open ends are directed to the centers of the corresponding spaces.
    Type: Grant
    Filed: July 13, 1977
    Date of Patent: October 16, 1979
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Masaaki Noguchi, Setsuro Sekiya, Kashuhiko Motosugi