Boil dry protection system for cooking appliance

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

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219452, 219453, 219489, 219492, 219494, 219506, 219518, H05B 102

Patent

active

044939817

ABSTRACT:
A power control arrangement for a cooking appliance incorporating an automatic surface unit for automatically detecting the occurrence of a boil dry condition for a utensil placed on the surface unit when operating in the Boil mode. In accordance with one form of the invention a boil dry condition is indicated when the rate of increase of sensed utensil temperature exceeds a predetermined reference rate, or the sensed utensil temperature exceeds a predetermined threshold temperature.

REFERENCES:
patent: 3118044 (1964-01-01), Holtkamp
patent: 3153139 (1964-10-01), Sivacek
patent: 3384735 (1968-05-01), Linger
patent: 3819906 (1974-06-01), Gould, Jr.
patent: 4164645 (1979-08-01), Dogliotti
patent: 4214150 (1980-07-01), Cunningham
patent: 4241289 (1980-12-01), Bowling
patent: 4334145 (1982-06-01), Norris, Sr.
patent: 4351996 (1982-09-01), Kondo
patent: 4394565 (1983-07-01), Dills
Technical Paper--presented to ASME by A. Myklebust et al--Aug. 1982--"Microcomputer Control of a Residential Range Top for Energy Conservation".
Technical Paper--International Appliance Technical Conf.--May 1983--Terai et al., "Boiling Point Detector for Surface Cooking Unit"--pp. 421-440.

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