F - Mech Eng,Light,Heat,Weapons – 23 – M
Patent
F - Mech Eng,Light,Heat,Weapons
23
M
158/14
F23M 9/00 (2006.01)
Patent
CA 1275905
LOW NOx PRIMARY ZONE RADIANT SCREEN DEVICE ABSTRACT OF THE DISCLOSURE An apparatus and method for use in a combustion system of a gas-fired furnace to inhibit formation of oxides of nitrogen (NOx) by the combustion system thereby reducing NOx emissions from the combustion system. The apparatus is made of a material which is positioned at the interface of the primary zone and the secondary zone of a combustion flame produced by a two-zone burner which is part of the combustion system, to temper the combustion flame by absorbing thermal energy from the combustion flame. The device sufficiently tempers the combustion flame to limit peak combustion flame temperatures and residence times at these peak combustion flame temperatures to levels which inhibit formation of oxides of nitrogen.
514553
Drago Thomas E.
Ripka Chester D.
Carrier Corporation
Gowling Lafleur Henderson Llp
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