Patents Assigned to Clarke Chapman, Ltd.
  • Waste heat boiler
    Patent number: 4055151
    Abstract: The invention is a valve especially a divertor valve for diverting hot gas to a boiler or to a duct by-passing the boiler and for controlling the amount of gas flowing through the boiler. The valve enables changeover from one flow path to another by rotary movement. The valve member is of plate construction having scraping action on the wall of the valve chamber and allowing 45.degree. angle of flow between inlet and outlet ports.
    Type: Grant
    Filed: August 25, 1976
    Date of Patent: October 25, 1977
    Assignee: Clarke Chapman, Ltd.
    Inventor: Robert James Cummings