Patents Assigned to Kogata Gasu Reibo-Gijutsu Kenkyu Kumiai
  • Heat exchanger for internal combustion engine exhaust, with noise suppressor
    Patent number: 4621677
    Abstract: A heat exchanger also serving for suppressing exhaust gas noise includes a water jacket, a water inlet header and a water outlet header together surrounding the exhaust gas flow space and a plurality heat exchanging water tubes connecting the inlet header and outlet header are provided through the gas flow space and partition walls having gas-passing connection holes is provided to partition the gas flow pass into at least two parts of mutually differing volume.
    Type: Grant
    Filed: February 4, 1986
    Date of Patent: November 11, 1986
    Assignee: Kogata Gasu Reibo-Gijutsu Kenkyu Kumiai
    Inventors: Shigeo Suzuki, Tatsuo Fujita