Patents by Inventor Ojimamachi Kakinuma

Ojimamachi Kakinuma 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).

  • Apparatus for purifying exhaust gases of internal combustion engines
    Patent number: 4206179
    Abstract: Apparatus for purifying the exhaust gases of internal combustion engines comprising a pair of upstream exhaust pipes, a catalytic converter, and a downstream exhaust pipe. The catalytic converter comprises a shell having an inlet chamber, catalyst chamber, and an outlet chamber. The axial lines of the inlet ports are arranged to cross each other in the inlet chamber at a position near, but upstream of, the upstream facing end of said monolithic catalyst element, so that gas flow can diffuse to the entire plane of the element.
    Type: Grant
    Filed: June 6, 1978
    Date of Patent: June 3, 1980
    Assignee: Fuji Jukogyo Kabushiki Kaisha
    Inventors: Hiroo Oya, Ojimamachi Kakinuma