Patents by Inventor Motokazu Akahori

Motokazu Akahori 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).

  • Suction system of internal combustion engine
    Patent number: 3935842
    Abstract: A suction system of an internal combustion engine, comprising a reed valve in the suction pipe in the vicinity of the suction port for opening and closing the passage of the suction pipe thereby preventing the backward flow of gases, said reed valve having a valve seat member with a valve opening thereon, a support pin pivotally and eccentrically supporting the valve seat member, and a reed fixed on the valve seat member so as to open and close the valve opening of the valve seat member, and means for opening the passage of the suction pipe by rotating the valve seat member only when the engine speed is high.
    Type: Grant
    Filed: April 22, 1974
    Date of Patent: February 3, 1976
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Toshitugu Ishizawa, Motokazu Akahori, Hideki Sato