Control system for frying apparatus

Details Control system for frying apparatus Control system for frying apparatus

1975-02-18

1976-02-17

Dority, Jr., Carroll B.

Stoves and furnaces

Liquid heater

Open-top vessel that may include lid

99326, 99403, 219437, 219441, 219510, A47J 2700

Patent

active

039384985

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 operating and first high-limit thermostats. The heaters are cyclically actuated and deactuated by a thermal time delay relay, to 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: 2668898 (1954-02-01), VonBehren
patent: 2805314 (1957-09-01), Michaelis
patent: 3242849 (1966-03-01), Wells
patent: 3573861 (1971-04-01), Lecrone

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