Electric cookers incorporating radiant heaters

Electric heating – Heating devices – Combined with container – enclosure – or support for material...

Patent

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Details

219358, 219460, 219464, 219510, H05B 368

Patent

active

044477104

ABSTRACT:
A glass ceramic top cooker has at least one radiant heater arranged beneath the glass ceramic surface, the or each radiant heater comprising a continuous base layer of electrical and thermal insulating material, a peripheral wall also of electrical and thermal insulating material, and a heating element arranged on the base layer. The radiant heater also includes means, such as a pad, disposed on the base layer for isolating a region within the peripheral wall from heat emitted by the heating element and a temperature sensor, such as a thermocouple or a platinum resistance, mounted within the isolated region so as to be sensitive in use substantially only to the temperature of a cooking pan which is heated by the heater. The temperature sensor is effective because there is created on the glass ceramic plate a cold patch through which the temperature of the pan can be determined.

REFERENCES:
patent: 3612828 (1971-10-01), Siegla
patent: 3646321 (1972-02-01), Siegla
patent: 3710076 (1973-01-01), Frazier
patent: 4347432 (1982-08-01), Gossler
patent: 4350875 (1982-09-01), McWilliams
patent: 4388520 (1983-01-01), McWilliams

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