Flame outlet rail for gas burner of the atmospheric, pre-mix typ

Details Flame outlet rail for gas burner of the atmospheric, pre-mix typ Flame outlet rail for gas burner of the atmospheric, pre-mix typ

1999-04-21

2000-09-26

Price, Carl D.

Combustion

Porous, capillary, particulate or sievelike flame holder,...

431 8, 431350, 431354, 431328, F23D 1484, F23D 1410, F23D 1414

Patent

active

061235431

ABSTRACT:
Flame outlet rail for a gas burner of the atmospheric, pre-mix type. The rail includes a shell defining a plenum closed at one end and open at another end to receive an air/fuel mixture and having a length between the ends. The shell has a longitudinal orifice extending along the length of the shell. A grid made of sheet metal pierced by a series of rectangular slits is positioned over the longitudinal orifice of the shell and communicates an interior of the shell with the exterior thereof to permit the air/fuel mixture to flow therethrough so as to form a flame front upon ignition. The grid has a longitudinal axis in parallel with the longitudinal orifice and a length. The slits which extend perpendicular to the longitudinal axis, are distributed on either side of the longitudinal axis and form a sinusoid extending over the entire length of the grid, which increases a length of the flame front. The slits (2) are spaced apart by a distance, e, constant along the longitudinal axis (3) of the flame outlet grid.

REFERENCES:
patent: 2644515 (1953-07-01), Lampert et al.
patent: 3780954 (1973-12-01), Genbauffs
patent: 4293297 (1981-10-01), Polidoro
patent: 5215457 (1993-06-01), Sebastiani

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