Patent ID: 8337197

Claim:
A gas tip for use in association with a gas burner apparatus, comprising: a gas barrel for connection to a source of fuel gas; a gas deflector attached to said gas barrel; and a fuel gas outlet disposed between said gas barrel and said gas deflector, said gas deflector having an exterior surface that includes a Coanda surface positioned with respect to said fuel gas outlet such that fuel gas discharged from said fuel gas outlet follows the path of said Coanda surface; wherein said gas burner apparatus comprises: a plenum including a housing for attachment to said furnace, said housing including: an upper end attached to said furnace, said upper end having an air outlet disposed therein; a lower end opposing said upper end; and a sidewall connecting said upper end and said lower end together, wherein at least one of said sidewall and said lower end has an air inlet disposed therein; a burner tile having a central opening therein for receiving air from said air outlet of said housing, said tile including: a bottom end attached to said upper end of said housing over said air outlet; a top end opposing said bottom end, said top end including a discharge outlet; and a wall connecting said bottom end to said top end and surrounding said central opening, said wall extending into said furnace and having an interior surface and an exterior surface; and wherein said gas tip is connected to the source of fuel gas and operably associated with said burner tile such that a fuel gas and air mixture can be burned in the presence of a flue gas and produce a low content of nitrous oxide.