Patent ID: 9683749
Date: 2017-06-20
CPC Classifications: F24D,F28F,G05D,H05B,H05K

Claim:
1. A thermostat for controlling an electric heater comprising: an ambient temperature sensor; a temperature setpoint device; a comparator mechanism connected to the ambient temperature sensor and the temperature setpoint device; a power switch having a control terminal connected to the comparator mechanism; and wherein the power switch comprises: wherein: the comparator mechanism compares a first temperature indication from the ambient temperature sensor and a second temperature indication from the temperature setpoint device and provides a first output signal, a second output signal or no output signal to the control terminal of the power switch; the first output signal indicates that the second temperature indication is X degrees greater than the first temperature indication; the second output signal indicates that the first temperature indication is Y degrees greater than the second temperature indication; X is a predetermined number; and Y is a predetermined number.