Dual mode power control arrangement for cooking appliance

Details Dual mode power control arrangement for cooking appliance Dual mode power control arrangement for cooking appliance

1986-01-16

1987-01-06

Paschall, M. H.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219446, 219448, 219449, 219452, 219483, 219506, 307 39, H05B 102

Patent

active

046348433

ABSTRACT:
A power control arrangement particularly applicable to a multiple surface unit cooking appliance providing a griddle heated by the combination of a standard surface unit and an automatic surface unit. Temperature information for the standard surface unit is provided by a counter implemented in the controller which is incremented and decremented at rates which cause the count to approximately track the griddle temperature proximate the surface unit. In the griddle mode, the electronic controller operates the automatic surface unit at a power level established as a function of the user selected temperature setting and the sensed utensil temperature; and operates the standard surface unit at a power level established as a function of the power level established for the automatic surface unit, the selected setting, the sensed utensil temperature and the count of the counter, to overdrive the standard unit when it is relatively cool and the automatic unit is relatively hot and to underdrive the standard unit when it is relatively hot and the automatic surface unit is relatively cool to provide even heating of the griddle.

REFERENCES:
patent: 2785266 (1957-03-01), Lewis et al.
patent: 4158127 (1979-06-01), Husslein
patent: 4431907 (1984-02-01), Barnett
patent: 4493979 (1985-01-01), Bredel et al.
patent: 4493980 (1985-01-01), Payne et al.

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