US 9,810,435 B2
Gas fired infrared burner with auxiliary flame arrangement
Bektas C. Gulkanat, Charlotte, NC (US)
Assigned to ILLINOIS TOOL WORKS INC., Glenview, IL (US)
Filed by Bektas C. Gulkanat, Charlotte, NC (US)
Filed on Sep. 3, 2014, as Appl. No. 14/475,624.
Claims priority of provisional application 61/890,533, filed on Oct. 14, 2013.
Prior Publication US 2015/0101591 A1, Apr. 16, 2015
Int. Cl. F24C 3/00 (2006.01); F24C 3/06 (2006.01); F24C 3/10 (2006.01); F23D 14/14 (2006.01); F24C 3/12 (2006.01)
CPC F24C 3/06 (2013.01) [F23D 14/145 (2013.01); F24C 3/10 (2013.01); F24C 3/12 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A gas fired infrared burner, comprising:
a burner body including a primary inlet for gaseous fuel and air, the burner body defining a primary premixing chamber for receiving gaseous fuel and air from the primary inlet;
an emitter arrangement comprising a material with a plurality pores or openings through which gaseous fuel and air flow in order to be combusted at an external surface of the emitter arrangement;
wherein the burner body further includes an auxiliary inlet for gaseous fuel and air, the burner body further defines an auxiliary premixing chamber for receiving gaseous fuel and air from the auxiliary inlet, and the emitter arrangement includes an auxiliary emitter segment that receives gaseous fuel and air from the auxiliary premixing chamber such that gaseous fuel and air of the auxiliary premixing chamber flows through pores or openings of the auxiliary emitter segment in order to be combusted at an auxiliary portion of the external surface formed by the auxiliary emitter segment, wherein gaseous fuel and air flowing through pores or openings of the auxiliary emitter segment can be ignited even when no combustible gases are being emitted from primary portions of the external surface of the emitter arrangement that are fed from the primary premixing chamber;
wherein flame produced by combustion at both the primary portions of the external surface and the auxiliary portion of the external surface is grounded at the external surface;
wherein the primary premixing chamber and the auxiliary premixing chamber are sealed from each other by an internal wall structure of the burner body, wherein the internal wall structure has a top side that terminates at an underside of the emitter arrangement.