Thermostat having heat anticipation

Details Thermostat having heat anticipation Thermostat having heat anticipation

1986-08-04

1988-04-26

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

337363, 337368, H01H 6102, H01H 3712

Patent

active

047407743

ABSTRACT:
A thermostat having heat anticipation uses a temperature responsive bimetallic element for effecting a thermostat contact closure during a heating operation controlled by the thermostat with an electrical contact carried by terminal strip positioned adjacent to the bimetallic element and formed from a high resistance stainless steel material. The resistance of the terminal strip is enhanced by lengthening the current path into a convoluted path utilizing notched out areas of the terminal strip. The resistance heat generated in the terminal strip by the current flow therein during the heating operation provides the desired heat anticipation for the operation of the thermostat by the bimetallic element by increasing the temperature sensed by the element.

REFERENCES:
patent: 2654010 (1953-09-01), Hughes
patent: 3301980 (1967-01-01), Geis
patent: 3339943 (1967-08-01), Baak
patent: 3454919 (1969-07-01), Kulick
patent: 4115750 (1978-09-01), Hausen et al.
patent: 4399423 (1983-08-01), Nield
patent: 4423401 (1983-12-01), Mueller

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