Low NOx burner assembly

Details Low NOx burner assembly Low NOx burner assembly

1997-09-03

1999-09-28

Lazarus, Ira S.

Combustion

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

Means supplying fuel for passage through the flame holding...

431115, F23D 1414

Patent

active

059576820

ABSTRACT:
An improved low NOx burner assembly having a burner plate assembly which is attached to a burner head portion thereof, the burner plate assembly having a burner plate and a wrapper, the burner plate having a relatively large central aperture and a plurality of smaller apertures of several diametrical sizes disposed at selected radial positions. The burner plate, attached to the burner head portion of the burner assembly via its wrapper, partially closes the outlet end of the burner head, and flame combustion is partially contained in a premixing chamber, thus effecting prolonged contact with combustion air prior to the gas and air mixture passing through the apertures of the burner plate.

REFERENCES:
patent: 1678996 (1928-07-01), McKinnie
patent: 4457704 (1984-07-01), Sommers et al.
patent: 5015174 (1991-05-01), Dreizler et al.
patent: 5073105 (1991-12-01), Martin et al.
patent: 5102329 (1992-04-01), Lifshits
patent: 5310337 (1994-05-01), Lifshits et al.
patent: 5460512 (1995-10-01), Lifshits et al.
patent: 5662464 (1997-09-01), LaRose et al.
patent: 5667374 (1997-09-01), Nutcher et al.

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