Electric radiant heater unit for a glass ceramic top cooker

Details Electric radiant heater unit for a glass ceramic top cooker Electric radiant heater unit for a glass ceramic top cooker

1981-11-16

1983-07-12

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219449, 219458, 219460, 219464, 219466, 219468, 338218, 338299, 338305, H05B 368

Patent

active

043932991

ABSTRACT:
An electric radiant heater unit for a glass ceramic top cooker includes an inner circular heating coil and an outer annular coil surrounding the circular coil. The two coils are separated by a dividing wall of thermal insulating material and the annular coil is surrounded by a peripheral wall of thermal insulating material. The inner coil may be energized alone or both coils may be energized together. The electrical resistance of the inner and outer coils is such that the watts density within the peripheral wall when both coils are energized is greater than the watts density within the dividing wall when only the inner coil is energized.

REFERENCES:
patent: 652638 (1900-06-01), Potter
patent: 1110532 (1914-09-01), Byce
patent: 2155425 (1939-04-01), La Mere
patent: 2371696 (1945-03-01), Lewitt
patent: 2419083 (1947-04-01), Myers
patent: 2450399 (1948-09-01), Sheidler
patent: 2680183 (1954-06-01), Gomersall
patent: 3219800 (1965-11-01), Alexander
patent: 3819903 (1974-06-01), Frick
patent: 4243874 (1981-01-01), Fischer
patent: 4327280 (1982-04-01), McWilliams
patent: 4347432 (1982-08-01), Gossler
patent: 4350875 (1982-09-01), McWilliams

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