Foods and beverages: apparatus – Cooking – Automatic control
Patent
1990-10-10
1992-02-25
Simone, Timothy F.
Foods and beverages: apparatus
Cooking
Automatic control
99331, 99403, 126374, 219492, 219494, 219497, A47J 2700, A47J 2762, H05B 102
Patent
active
050903055
ABSTRACT:
A process to control and regulate the temperature of a cooking medium in a deep fat fryer having a receptacle used for batch frying of food. The process includes inputting a desired set cooking temperature through use of a keyboard connected to a microprocessor. The actual temperature of the cooking medium within the receptacle is sensed. The actual temperature is compared to a referenced temperature and the rate of change of the actual temperature is calculated. The temperature readings are translated from analog to digital readings. A proportioning temperature band having a top and bottom temperature is established. Proportional, periodic power is delivered to a heating element in the receptacle if the actual temperature is within the proportioning temperature band. The rate of change of the actual temperature is multiplied by a constant and the resultant figure is added to the actual temperature. The result is then compared to the set temperature and power is switched on if below the set temperature, and power is switched off if the result is above the set temperature.
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Daylight Donut Flour & Equipment Co.
Simone Timothy F.
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