Electrical circuit for controlling a temperature of a heating el

Details Electrical circuit for controlling a temperature of a heating el Electrical circuit for controlling a temperature of a heating el

1976-04-07

1978-05-23

Truhe, J. V.

Electric heating

Heating devices

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

219490, 219501, H05B 102

Patent

active

040912663

ABSTRACT:
A switching means detects a malfunction due to an open circuited or broken state of a temperature sensing element. The switching means overrides a normal control by the temperature sensing element of a heater, so the heater is de-energized by the switching means and possible uncontrolled, dangerous activation of the heater is prevented.

REFERENCES:
patent: 3461273 (1969-08-01), Dykes
patent: 3571564 (1971-03-01), Welch

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