Air flow control head for multi oil furnaces

Details Air flow control head for multi oil furnaces Air flow control head for multi oil furnaces

1998-06-24

2000-04-11

Dority, Carroll

Combustion

Burner having electrical heater or igniter

Spark electrode in front of or adjacent fuel discharger

431183, 239406, F23Q 300

Patent

active

060481978

ABSTRACT:
A retention head for the end of the burner nozzle housing on a waste oil furnace controlS the flow of combustion air relative to the flame produced by the burner nozzle. The retention head is formed as a cup-shaped member that mounts in a detachable manner on the outside of the burner nozzle housing. The retention head has an operative face having a central opening through which a portion of the combustion air can flow and support the flame passing through the opening. A solid ring defining the central opening forces air into circumferential vented slots around the perimeter of the retention head. The vented slots have angled flaps that direct the combustion air into a spiraled flow pattern circumferentially around the flame. The retention head has an inwardly curved periphery to help direct combustion air into an inward pattern surrounding the flame. Slotted openings allow an adjustable positioning of the retention head relative to the burner nozzle housing to permit the head to be properly positioned in order to keep the spiraled flow of combustion air parallel to the orientation of the flame.

REFERENCES:
patent: 1719090 (1929-07-01), Stillman
patent: 2065042 (1936-12-01), Berryman
patent: 2502664 (1950-04-01), Hest
patent: 3285316 (1966-11-01), Gustafson et al.
patent: 3309027 (1967-03-01), Chadwick et al.
patent: 3360201 (1967-12-01), Popyk
patent: 3490858 (1970-01-01), Fletcher

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