Patent ID: 6890171

Claim:
A burner for the combustion of fuel in a furnace, said burner comprising: (a) a burner tube having a downstream end and an upstream end for receiving fuel and air, flue gas or mixtures thereof; (b) a fuel orifice located adjacent the upstream end of said burner tube, for introducing fuel into said burner tube; (c) a burner tip mounted on the downstream end of said burner tube and adjacent a first opening in the furnace, said burner tip having a plurality of air flow notches positioned about an outer periphery thereof; (d) a peripheral tile surrounding said outer periphery of said burner tip, forming said first opening in the furnace; and (e) a burner tip seal in contact with at least a portion of said outer periphery of said burner tip and said peripheral tile; wherein a plurality of air gaps is formed between an inner periphery of said burner tip seal and said air flow notches, said plurality of air gaps effective for providing a portion of the air for combustion.