Electric radiation heater assemblies

Details Electric radiation heater assemblies Electric radiation heater assemblies

H - Electricity

05

B

309/82

H05B 3/74 (2006.01)

Patent

CA 1267927

ABSTRACT An electric radiation heater assembly for a glass ceramic top cooker comprises at least one heating element (6,7) having a substantial positive temperature coefficient of resistance, such as an infra-red lamp. A resistive assembly (4,5) is electrically connected in series with the at least one heating element for suppressing surges of electric current due to the low initial resistance of the heating element. Switch means (2,3) is operable a time interval of at least thirty milliseconds and preferably about 1/2 second, after a supply of electric power to the heater is energised so as to reduce the combined electrical resistance of the heating element and the resistive assembly.

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