Heat sensing apparatus for an electric range automatic surface u

Details Heat sensing apparatus for an electric range automatic surface u Heat sensing apparatus for an electric range automatic surface u

1979-03-02

1980-12-23

Tolin, Gerald P.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

733628, 136221, 136230, 338 22R, 338 28, H01H 3704, H05B 368

Patent

active

042412897

ABSTRACT:
An improved heat sensing apparatus for an electric range automatic surface unit control in which the heat sensor housing is supported within the surface unit by an upwardly biased pivot arm. The upper portion of the sensing apparatus comprises a first utensil contacting layer of a low thermal mass, heat conductive material, a second layer of electrically insulative heat conductive material secured to the underside of the first contact layer, and a third layer of electrically conductive, heat conductive material secured to the underside of the second layer. A thermistor or thermocouple heat sensor is attached to the third layer to provide an electrical signal representative of the utensil temperature to the surface unit temperature controls.

REFERENCES:
patent: 2288510 (1942-06-01), Brannon
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patent: 2806122 (1957-09-01), Thunander
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patent: 3351498 (1967-11-01), Shinn et al.
patent: 3714539 (1973-01-01), Hampl, Jr.

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