Electronic control system for an oven

Details Electronic control system for an oven Electronic control system for an oven

1989-12-11

1991-08-20

Wayner, William E.

Automatic temperature and humidity regulation

Furnace controlled

Furnace controlled responsive to combustion products...

236 78D, 307359, 219501, H05B 102

Patent

active

050407244

ABSTRACT:
An electronic oven temperature regulator employing a comparator to control energization of a relay for cycling the oven heating unit (gas or electric) in response to comparison of an oven temperature sensor output and a user selected reference temperature about which regulation is desired. A reversible polarity voltage regulator provides feedback from the comparator output to the input to provide a positive and negative hysteresis dead band about the selected regulation temperature for minimizing cycling or "hunting" of the heating unit. A fault comparator tracks the selected reference temperature to disable the heating element relay in the event of a short in the temperature sensor.

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