Patents Assigned to Chiyoda Chemical Engineering & Construction Company Limited
  • Patent number: 4924966
    Abstract: A muffler has a muffler body within which is located an intermediate duct pipe colinear with the exhaust and tail pipes, so that exhaust gas from the exhaust duct pipe can pass through a main flow route in the intermediate duct pipe in a substantially straight line without reflecting. An inner or by-pass pipe forms a gas by-pass and has gas flow restriction elements.
    Type: Grant
    Filed: August 5, 1987
    Date of Patent: May 15, 1990
    Assignee: Chiyoda Chemical Engineering & Construction Company Limited
    Inventors: Tetsuro Kanda, Shizuo Yamamoto