Electric radiant heater units for glass ceramic top cookers

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

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Details

219446, 219460, 219464, 219466, 219512, 337394, H05B 368

Patent

active

045089612

ABSTRACT:
An electric radiant heater unit of the kind used in glass ceramic top cookers comprises first and second heater elements disposed adjacent to each other on a base layer of thermal and electrical insulating material, the arrangement being such that, in use, the heat emitted by the second heater element augments the heat emitted by the first heater element. A peripheral wall of thermal insulating material surrounds the heater elements and a thermal cut-out device extends over both of the heater elements. There is also provided means such as a block of thermal insulating material or a heat sink for shielding the thermal cut-out device in the regions thereof which pass over the second heater element from heat emitted by both the first and second heater elements.

REFERENCES:
patent: 2152560 (1939-03-01), Myers
patent: 3710076 (1973-01-01), Frazier
patent: 4243874 (1981-01-01), Fischer
patent: 4327280 (1980-04-01), McWilliams
patent: 4350875 (1982-09-01), McWilliams
patent: 4371780 (1983-02-01), Gossler et al.
patent: 4393299 (1983-07-01), McWilliams
patent: 4430558 (1984-02-01), McWilliams
patent: 4447710 (1984-05-01), McWilliams

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