Control system for frying apparatus

Details Control system for frying apparatus Control system for frying apparatus

1975-02-18

1977-11-15

Tolin, Gerald P.

Electric heating

Heating devices

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

219437, 219494, H05B 102

Patent

active

040587037

ABSTRACT:
In apparatus for deep fat frying, control circuitry is provided for regulating the temperature of heating elements. During cooking the heating elements are immersed in cooking fluid and are maintained at a selected temperature by an operating thermostat. Two high limit thermostats are provided to turn off the heaters if the temperature exceeds a predetermined safe limit. For cleaning, the heating elements are raised out of the cooking fluid and automatically disconnected from the operation and first high-limit thermostats. The heaters are cyclically actuated and deactuated by a thermal time delay relay, gradually raising the heater temperature to achieve pyrolytic cleaning of the heating elements. The second high-limit thermostat turns off the heating elements when a predetermined temperature is reached, ending pyrolytic cleaning.

REFERENCES:
patent: 2722595 (1955-11-01), Kolb
patent: 3378658 (1968-04-01), Arlin et al.
patent: 3604896 (1971-09-01), Anderson

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