Power control arrangement for automatic surface unit

Details Power control arrangement for automatic surface unit Power control arrangement for automatic surface unit

1984-03-05

1985-01-15

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

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

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

Patent

active

044939809

ABSTRACT:
A power control arrangement for an automatic surface unit in a cooking appliance which enables the user to select Warm, Simmer, Boil and Fry cooking modes and to select from a plurality of heat settings for each mode. The heat settings for each mode have associated with them a minimum steady state temperature and a steady state power level. The control system compares the output from a utensil temperature sensor with various reference values determined by the mode and heat setting selected and depending upon the comparison, operates the surface unit at the corresponding steady state power level or at a transient power level to rapidly bring the utensil temperature to the desired temperature for the selected mode and heat setting with minimum temperature overshoot.

REFERENCES:
patent: 2767293 (1956-10-01), Jordan et al.
patent: 2838645 (1958-06-01), Welch
patent: 3118044 (1964-01-01), Holtkamp
patent: 3819906 (1974-06-01), Gould, Jr.
patent: 4214150 (1980-07-01), Cunningham
patent: 4217481 (1980-08-01), Fischer
patent: 4241289 (1980-12-01), Bowling
patent: 4334145 (1982-06-01), Norris
patent: 4394565 (1983-07-01), Dills
Technical Paper--Presented to ASME by A. Myklebust et al.--"Microcomputer Control of a Residential Range Top for Energy Conservation"--Aug. 1982.
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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