Patents by Inventor Masayuki KATAFUCHI

Masayuki KATAFUCHI 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 PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE
    Publication number: 20090100827
    Abstract: An exhaust gas purification apparatus includes a venturi constituting part of an exhaust pipe and formed by joining two axially divided parts together, and a reducing agent supply device for injecting an aqueous urea solution into the exhaust pipe. The venturi is positioned such that joints thereof are located to the right and left, respectively, of the center of a cross section perpendicular to the axis of the venturi.
    Type: Application
    Filed: October 7, 2008
    Publication date: April 23, 2009
    Applicant: MITSUBISHI FUSO TRUCK AND BUS CORPORATION
    Inventors: Yasuko SUZUKI, Hiroaki FUJITA, Satoshi HIRANUMA, Shinichi SAITO, Masayuki KATAFUCHI