H - Electricity – 05 – B
Patent
H - Electricity
05
B
309/15, 309/50
H05B 3/10 (2006.01) F24H 3/04 (2006.01) H05B 1/02 (2006.01)
Patent
CA 1190579
ROGERS, BERESKIN & PARR INVENTOR: KOSTA PELONIS TITLE: ELECTRIC HEATER ABSTRACT OF THE DISCLOSURE A new type of electric heater is described. The heater includes a housing in which is mounted a generally planar core of semi-conductor material formed with a multiplicity of apertures. Conductive coating are formed on opposing faces of the core to permit a heating current flow to be generated in the core by applying a voltage difference to the conductive coatings. A fan mounted within the housing directs an air flow through the core apertures to draw heat from the core. The semi-conductor material is selected to have a high positive resistance-temperature coefficient which pre- vents the core from heating to above 200°C when conven- tional line voltages are applied to the core and which permits marked variation in the quantity of heat delivered by variation of fan speed alone.
424673
Pelonis Kosta
Waraksa Mirek A.
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