Nozzle for use in a burner

Details Nozzle for use in a burner Nozzle for use in a burner

1995-04-10

1997-07-15

Price, Carl D.

Combustion

Flame holder having protective flame enclosing or flame...

Including means feeding air axially spaced points of the flame

431353, 431 10, F02C 700

Patent

active

056477392

ABSTRACT:
A nozzle adapted for use in a high excess air burner. The nozzle includes three combustion chambers and an outer flame retention ring for supporting combustion of gaseous fuel over a range of volumetric flow rates. Combustion air is staged to each of the combustion chambers and to the outer flame retention ring for mixing with the fuel to form a combustible fuel-air mixture. Combustion occurs in the first combustion chamber at relatively low flow rates of fuel. Combustion occurs in the second and third combustion chambers and the outer flame retention ring with increasingly higher fuel flow rates. The second combustion chamber is configured with a radially inwardly converging sidewall to provide for a smooth transition of the flame between the second and third combustion chambers.

REFERENCES:
patent: 3220460 (1965-11-01), Goubsky et al.
patent: 3490230 (1970-01-01), Pillsbury et al.
patent: 3531230 (1970-09-01), Apolinarski
patent: 3736747 (1973-06-01), Warren
patent: 4041699 (1977-08-01), Schelp
patent: 4265615 (1981-05-01), Lohmann et al.
patent: 4382771 (1983-05-01), Carr
patent: 4927349 (1990-05-01), Schirmer et al.
patent: 5002483 (1991-03-01), Becker
patent: 5263849 (1993-11-01), Irwin et al.
patent: 5460515 (1995-10-01), Harbeck et al.
Eclipse Combustion, inc. Spec 210- Apr. 1990.
North American Mfg. Co., Specification 4442- Jun. 1993.
SVG Super Velocity Gas Burner Series- Mar. 1991.

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