Patents by Inventor Katsumi Suziki

Katsumi Suziki 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).

  • Exhaust gas cleaning apparatus for an internal combustion engine for a vehicle
    Patent number: 4010723
    Abstract: An exhaust gas cleaning apparatus for an internal combustion engine for a vehicle having a carburetor including an air bleed system to bleed air into a fuel line of said carburetor, and having an exhaust gas recirculation valve including a diaphragm mechanism which is controlled by negative pressure in said carburetor to recirculate a part of said exhaust gas from the exhaust manifold to the intake manifold.The apparatus comprises another air bleed system to bleed air to the fuel line of the carburetor and valve means for communicating said other air bleed system and said diaphragm mechanism of the exhaust gas recirculation valve with the atmosphere in response to negative pressure in the venturi of said carburetor and in the intake manifold.
    Type: Grant
    Filed: December 30, 1975
    Date of Patent: March 8, 1977
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Katsumi Suziki, Katsunori Kawatake, Hiroshi Sawada, Hiroki Matsuoka