Patent ID: 6491514
Filing Date: 2002-12-10
Classification: F23D,F23M

Abstract:
A furnace burner box assembly for a combustion furnace including a partition defining a wall of a heat exchanger enclosure of said furnace, said burner box assembly being mounted at said partition, and said burner box assembly comprising:a back wall, a top wall, a bottom wall, opposed side walls and an open end; at least one burner nozzle mounted within an interior space of said burner box assembly; at least one combustion air inlet opening formed in one of said walls of said burner box assembly for admitting combustion air to said interior space; and a louvered airflow guide and baffle member mounted in said interior space between said combustion air inlet opening and said at least one burner nozzle, said baffle member including opposed side walls and a wall extending between said sidewalls, said walls of said baffle member blocking direct transmission of acoustic emissions from said at least one burner nozzle to said at least one inlet opening, plural spaced apart ports formed in one of said walls and louvers adjacent said ports, respectively, for directing combustion air to said interior space in a distributed manner and for reducing acoustic emissions from said burner box assembly to the exterior thereof.