F - Mech Eng,Light,Heat,Weapons – 23 – M
Patent
F - Mech Eng,Light,Heat,Weapons
23
M
158/150
F23M 9/00 (2006.01) F23C 7/00 (2006.01)
Patent
CA 1079626
ABSTRACT OF THE DISCLOSURE A variable capacity burner assembly for the com- bustion 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.
310522
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