Patents Assigned to Geo. Bray & Co. Limited
  • Safety pilot burners
    Patent number: 4565521
    Abstract: In a gas burning installation a pilot burner is provided with means to control the amount of atmospheric air introduced into the fuel gas in the burner tube, the means comprising a restriction in the tube upstream of where air enters and a variable choke downstream of where air enters, which choke affects the resistance to the flow of gas along the tube.
    Type: Grant
    Filed: May 26, 1983
    Date of Patent: January 21, 1986
    Assignee: Geo. Bray & Co. Limited
    Inventor: John Hancock