H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 3/76 (2006.01) F24C 7/04 (2006.01) H05B 3/74 (2006.01)
Patent
CA 2059154
ABSTRACT A radiant electric heater arrangement for connection to a power supply system providing first and second different power supply voltages, for example 120 volts and 240 volts, comprises a heater having at least first and second heating elements, a rectifier and a switch coupled to the heating elements and to the rectifier. The switch is able to couple the heating elements and the rectifier in a number of different configurations including (a) coupling the heating elements selectively in series and in parallel with one another; (b) coupling the heating elements selectively to the first and second power supply voltages; and (c) coupling the rectifier selectively in series with at least one of the heating elements, thus providing a plurality of user selected power output levels of the heater. Where three or more heating elements are provided, at least one of the heating elements is preferably an infra-red lamp.
Ceramaspeed Limited
Kirby Eades Gale Baker
LandOfFree
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