Radiant electric heater assemblies

Details Radiant electric heater assemblies Radiant electric heater assemblies

1988-08-16

1990-03-13

Walberg, Teresa J.

Electric heating

Heating devices

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

219446, 219449, 219452, H05B 102

Patent

active

049084968

ABSTRACT:
A radiant electric heater assembly for a glass ceramic top cooker includes four radiant electric heating elements and a thermal cut-out device. Associated with the termal cut-out device is a switching device for connecting the four heating elements in parallel with each other to give a first power level setting and for connecting the heating elements in a lower power configuration in which the elements are connected as two elements connected in series with each other and connected in series with a pair of elements connected in parallel with each other. When the thermal cut-out device detects a first predetermined temperature the heating elements are connected in the lower power configuration until such time as the thermal cut-out device detects a second predetermined temperature, lower than the first predetermined temperature, when the heating elements are reconnected in the configuration of the first power level setting.

REFERENCES:
patent: 2201584 (1940-05-01), Kahn
patent: 4511789 (1985-04-01), Goessler
patent: 4538051 (1985-08-01), SSchreder
patent: 4700051 (1987-10-01), Goessler

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