Stoves and furnaces – Stoves – Heating
Patent
1984-10-10
1987-06-30
Focarino, Margaret A.
Stoves and furnaces
Stoves
Heating
126 92B, 237 70, 219347, F24C 300
Patent
active
046762221
ABSTRACT:
A radiant heater comprises first and second reflector portions (1, 2); first and second side reflector plates (3, 4); first and second end reflector plates (5, 6); first and second steel U-tubes (7, 8) received by the first and second portions (1, 2) respectively; end reflector plates (9, 11) for the reflector portion (1) and end reflector plates (10, 12) for the reflector portion (2), the ends of the tube (7) protruding through the plate (9) and the ends of the tube (8) protruding through the plate (10); first and second gas (or oil) burners and control units (13, 14) communicating with the ends of tubes (7, 8) respectively nearer a V-shaped channel; and first and second suction fan units (16, 17) communicating with the ends of tubes (7, 8) respectively which are further from the channel (15). In use of the heater, gas (or oil) is burnt at the burners and control units (13, 14), and hot air is sucked through the tubes (7, 8) by the suction fan units (16, 17). The provision of two U-tubes (7, 8) provides for a greater heat output than with the use of a single tube for a given length of heater and the provision of side reflector plates (3, 4) end reflector plates (5, 6, 9, 11, 10, 12) and the V-shaped channel (15) results in a reduced (and more uniform) spread of heat radiated by the tubes (7, 8) meaning that the heater may be disposed a greater height above ground to give a useful heating effect at ground level compared with a conventional radiant heater. Also, the overall shape of the radiant heater is such as to restrict the loss of heat due to convection.
REFERENCES:
patent: 3237679 (1966-03-01), Best
patent: 3359965 (1967-12-01), Milligan
patent: 4269590 (1981-05-01), Baumanns
patent: 4319125 (1982-03-01), Prince
patent: 4390125 (1983-06-01), Rozzi
Parabolic Reflector IR 75 HB Series Specification, Thermal Engineering Corp. (5-1964).
Jones David Mervyn
Maund John K.
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