Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Patent
1998-09-24
1999-11-23
Dority, Carroll
Liquid heaters and vaporizers
Stand boiler
And condition responsive feature
239520, 239567, 126361, 126 39R, 431172, 431 8, F22B 500
Patent
active
059881160
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
patent: 5826569 (1998-10-01), Voorhis
Carlton Clifford
Donastorg Hector J.
Pryor William M.
Vago Otto Z.
Dority Carroll
Puerner Paul R.
State Industries, Inc.
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