Draft air control system

Details Draft air control system Draft air control system

F - Mech Eng,Light,Heat,Weapons

24

B

126/99

F24B 1/18 (2006.01) F24B 1/19 (2006.01)

Patent

CA 1069008

ABSTRACT OF THE DISCLOSURE A draft air control system for fireplaces comprising a duct having an outside end in fluid communication with outside air and inside end terminating at a location below the fireplace grate, damper means adjustably controlling the cross-sectional area of the duct, hood means covering the inside terminal end The hood means comprises a throat section passageway in fluid communication with the duct, a second passageway directing airflow in a generally lateral direction and including a downwardly opening outlet to permit essentially unrestricted airflow from the duct into the fireplace beneath the grate and essentially preventing passage of particulate matter into the duct.

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