Patents by Inventor Hirosi Yosizaki

Hirosi Yosizaki 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).

  • Divided chamber type diesel engine
    Patent number: 4006720
    Abstract: A divided chamber type diesel engine consisting of a main combustion chamber and a pre-combustion chamber connected to said main combustion chamber through a connecting port, said pre-combustion chamber being provided with a step member on its inner wall for controlling the swirl generated in said pre-combustion chamber during the compression stroke of the engine in order to reduce the NO.sub.x emissions in the exhaust gases.
    Type: Grant
    Filed: April 21, 1975
    Date of Patent: February 8, 1977
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Takasi Sato, Hirosi Yosizaki