Variable capacity burner assembly

Combustion – Fuel disperser installed in furnace – Plural feed means extending to common wall opening of furnace

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Details

239405, 2394165, 431185, F23M 900

Patent

active

041557018

ABSTRACT:
A variable capacity burner assembly for the combustion of a fuel-air mixture is disclosed which includes a combustion air supply housing having spaced front and rear walls and including an opening in said front wall for the discharge of combustion air into a combustion zone. Disposed within the housing are a plurality of plate-like air directing vanes arranged in a circular array such that combustion air passing therethrough has a rotary, swirling motion imparted thereto prior to its discharge into the combustion zone. Flow control means for varying the volume of combustion air passing through said vanes are provided which include a generally planar baffle member having a circular array of slots therein corresponding to the array of air directing vanes, which vanes are in registry with said slots. The baffle member is supported within the housing for axial displacement between a first position wherein combustion air flow through the vanes is limited to a minimum value, and a second position wherein maximum combustion air flow through said vanes is effected.

REFERENCES:
patent: 1329279 (1920-01-01), Voorheis
patent: 1341524 (1920-05-01), Stahlgren
patent: 1449840 (1923-03-01), Reid
patent: 1576537 (1926-03-01), Peabody
patent: 2216508 (1940-10-01), Zink
patent: 2757721 (1956-08-01), Reed et al.
patent: 3723049 (1973-03-01), Juricek
patent: 3922137 (1975-11-01), Peczeli et al.

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