Lean premixed fuel burner

Details Lean premixed fuel burner Lean premixed fuel burner

1995-12-13

1996-12-31

Yeung, James C.

Combustion

Adjunctive, relatively low velocity, flame maintaining fuel...

431328, 431350, 239552, 2395535, 2395905, F23D 1458

Patent

active

055888259

ABSTRACT:
A lean premixed fuel burner includes a peripheral ring stabilizer which divides the flow into a primary gas flow and a secondary gas flow and generates a secondary flame substantially surrounding the main flame formed by the main gas flow. Further stabilizers are provided in the area of the primary gas flow on the inside of the peripheral stabilizer. These stabilizers divide the main gas flow into a plurality of subsidiary flows whereby the primary flame is formed by a plurality of discrete flame formed in the spaces between the secondary stabilizers thereby to provide a main flame significantly shorter in the direction of gas flow than if a single primary flame is used.

REFERENCES:
patent: 686625 (1901-11-01), Machlet, Jr.
patent: 3817690 (1974-06-01), Bryce
patent: 4397631 (1983-08-01), Fisher
patent: 4869230 (1989-09-01), Fletcher
patent: 5236327 (1993-08-01), Flanagan et al.
patent: 5326257 (1994-07-01), Taylor et al.
patent: 5447427 (1995-09-01), Suzuki
Low NO.sub.x Production through Lean Burn Premixed Combust Johnson et al American Flame Research Committee Apr. 1994.
Lean Burn Technology for Gas Appliances Johnson & Kostiuk Canadian Conference of Applied Mechanics May 28 to Jun. 1, 1995.

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