Patent ID: 6688882
Filing Date: 2004-02-10
Classification: F23C,F23D

Abstract:
A gas burner for a cooking device, comprising:a main burner body having a plurality of output ports towards one end and an input end, with a venturi therebetween; a central opening disposed upstream of said venturi and supplying at least ambient air to said venturi as premix air; at least one primary opening disposed upstream of said venturi and spaced from said central opening, said primary opening supplying ambient air to said venturi as primary air; an orifice outputting gas at a front face, said front face disposed upstream and spaced from said central opening; wherein said primary air flows through said at least one primary opening and combines with said gas in said venturi; wherein gas and premix air both flow through said central opening, said premix air at least partially combining with said gas before said primary air combines with said gas; and wherein a combination of said gas, said premix air, and said primary air is output at said output ports for combustion.