Stoves and furnaces – Stoves – Heating
Patent
1979-11-05
1982-05-04
Davis, Albert W.
Stoves and furnaces
Stoves
Heating
47 2, 432223, A01G 1306, F24H 100, A01G 1300
Patent
active
043277047
ABSTRACT:
Provided is an orchard heater adapted especially to radiate heat directly to the bole and middle portions of the trees, the heater comprising an upright, generally elongated and cylindrical combustion chamber having formed therein a vertically extending looped main burner, a pilot burner disposed beneath the main burner, and a divider plate interposed between the former two burners. The burners are positioned such that the discharge orifice of the main burner lies in the plane of the axis of the combustion chamber and is oriented downwardly at the center of the divider plate. The discharge orifice of the pilot burner, in turn, is oriented upwardly to the bottom of the divider plate, the latter being apertured, typically with louvers which enable communication between the discharge orifices of the two burners. Upon ignition of liquid fuel supplied by the main burner in the chamber, the generated heat is initially radially outwardly directed by the divider plate, this heat being oriented in a horizontal plane. Heat impinging on the chamber wall heats the latter and is directed radially and horizontally outwardly therefrom. Simultaneously, heat energy is conducted upwardly by the chamber wall and this heat, in turn, impinges on a frusto-conical hood positioned over the open top of the combustion chamber. The conical surfaces of the hood, upon being heated to radiation point, directs the heat energy radially outwardly and upwardly with respect to the axis of the heater. In addition, the conical surfaces of the hood function to direct ascending exhaust gases radially downwardly.
REFERENCES:
patent: 2672333 (1954-03-01), Rocheville
patent: 3205885 (1965-09-01), Baxley
patent: 3421494 (1969-01-01), Perkins
patent: 3563224 (1971-02-01), Bryer
patent: 3580236 (1971-05-01), Plummer
patent: 3809057 (1970-03-01), Frost
Davis Albert W.
Lynch Matthew P.
Ratliff, Jr. Wesley S.
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