Thermal relay and electric range control utilizing the same

Details Thermal relay and electric range control utilizing the same Thermal relay and electric range control utilizing the same

H - Electricity

01

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306/172

H01H 37/54 (2006.01) H01H 37/10 (2006.01) H01H 61/02 (2006.01)

Patent

CA 1119218

Abstract of the Disclosure A thermal relay construction capable of operating a pair of electrical contacts. The thermal relay includes an electrical heater of the self-regulating PTC type which is disposed adjacent to and in close thermal and electrical contact with a bimetal snap disc so that heat generated by the heater causes the bimetal snap disc to overcenter and operate the electrical contacts. The other electrical connection to the heater is made through a compensating blade which bears against the heater to compensate for ambient temperature effects on the thermal relay. An electric range oven control uses temperature sensitive electrical contacts in conjunction with the thermal relay to control the oven heaters.

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