Patent ID: 6048197
Filing Date: 2000-04-11
Classification: F23D,F23Q

Abstract:
A retention head for a burner housing of a multi-oil furnace to control the flow of combustion air into a burner chamber to support a flame, said multi-oil furnace including a burner nozzle having a nozzle tip from which said flame is created during operation of said burner nozzle, comprising:a generally cylindrical body member having a shape corresponding to said burner housing to permit mounting thereof on said burner housing and including,a base portion engageable with said burner housing to define a major axis of said retention head; andan inwardly tapered end portion terminating in an axially concentric opening through which said flame can extend during operation of said multi-oil furnace; anda face plate oriented generally orthogonally to said major axis and including,a solid ring portion defining an axially concentric opening, said nozzle tip projecting through said opening in said face plate such that said nozzle tip is positioned forwardly of the solid ring of said face plate; andan outer peripheral portion having a plurality of vented openings therethrough, each said vented opening having a deflector member oriented angularly relative to said major axis to deflect combustion air into a spiral pattern generally concentric with said major axis.