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US 9,447,965 B2Granted
Burner with a perforated reaction holder and heating apparatus
AssigneeClearsign Comubstion Corporation
InventorsDouglas W. Karkow, Robert Breidenthal, Joseph Colannino, Christopher A. Wiklof
Life of this patent
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Abstract
A combustion system such as a furnace or boiler includes a perforated reaction holder configured to hold a combustion reaction that produces very low oxides of nitrogen (NOx).
Claims12
A combustion system, comprising:
- a fuel and oxidant source configured to output fuel and oxidant as a fuel and oxidant mixture;
- a perforated reaction holder aligned to receive the fuel and oxidant mixture across an input surface including a plurality of perforations, the perforations being configured to pass fluid through to an output surface;
- a heating apparatus that causes heating of the perforated reaction holder;
- a control circuit operatively coupled to the heating apparatus, the control circuit being configured to cause the heating apparatus to operate;
- and a fuel control valve configured to control a flow of fuel from a fuel source to the fuel and oxidant source, the fuel control valve being operatively coupled to the control circuit;
- wherein the perforated reaction holder supports a combustion reaction supported by the fuel and oxidant mixture in the plurality of perforations after the heating apparatus preheats the perforated reaction holder.
3 more elements
Dependencies are inferred from the claim text.