Electric heating – Heating devices – With power supply and voltage or current regulation or...
Patent
1999-02-26
2000-08-29
Paschall, Mark
Electric heating
Heating devices
With power supply and voltage or current regulation or...
219412, 219448, 219483, 219508, 337363, H05B 102
Patent
active
061112313
ABSTRACT:
A temperature control system for electric range surface heating elements including an infinite switch electrically coupled to a surface heating element and a second switch, which selectively couples 120 VAC or 240 VAC power across the infinite switch and heating element. Alternatively, the second switch selectively couples either the infinite switch or an electronic controller to a surface heating element, wherein the electronic controller has timing circuits for cycling power supplied to the surface heating element according to a preset timing scheme within the timing circuits.
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Baker Mark A.
Corson David N.
Schrand Steven B.
Paschall Mark
Whirlpool Corporation
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