Low NO.sub.x gas burner

Details Low NO.sub.x gas burner Low NO.sub.x gas burner

1997-06-09

1999-06-22

Dority, Carroll B.

Combustion

Fuel disperser installed in furnace

With discrete flame directing baffle

126 39R, 239567, 122 14, 122 17, F23M 906

Patent

active

059136758

ABSTRACT:
A gas burner adapted to discharge said fuel at its the periphery for combustion, includes upper and lower concave plates secured together to define a chamber and an outer periphery having a plurality of burner ports. The upper plate preferably has a periphery extending radially at least as far as the lower plate. The periphery of the upper plate is downwardly angled, preferably more steeply than the periphery of the lower plate. The peripheral edge of at least one or the other of the top or bottom burner plates extends radially outwardly from the central axis a distance beyond the location of the burner ports and into the path of burning gases issuing from the ports whereby the temperature of said burning gases is reduced. Preferably, the periphery of the upper plate extends downwardly to an elevation below the upper edges of the burner ports, so that gases emerging from the ports are caused to impinge against the periphery, thus cooling the gases and thereby reducing the NO.sub.X content of the combustion gases.

REFERENCES:
patent: 1933790 (1933-11-01), Crone
patent: 3992137 (1976-11-01), Streisel
patent: 4372290 (1983-02-01), Visos et al.
patent: 4951614 (1990-08-01), Akkala et al.
patent: 5335646 (1994-08-01), Katchka

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