Patents by Inventor Ryuta Fujimura

Ryuta Fujimura 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).

  • Noise and vibration reducing apparatus for use in exhaust system of engine
    Patent number: 4540064
    Abstract: A flexible means is interposed between a first exhaust conduit fixed to the power unit of an automobile and a second conduit elastically supported by the automobile body, and conveys the exhaust gases of the power unit from the first exhaust conduit to the second exhaust conduit. The flexible means has a first end portion fixed to the first exhaust conduit and a second end portion fixed to the second exhaust conduit. The flexible means further has a middle portion which is a bellows which extends between and is bounded by the first and second end portions to form an expansion chamber therebetween. The chamber is fluidly connected with the first exhaust conduit and the second exhaust conduit.
    Type: Grant
    Filed: February 22, 1983
    Date of Patent: September 10, 1985
    Assignee: Nissan Motor Co., Ltd.
    Inventor: Ryuta Fujimura