Electrical resistors – Resistance value responsive to a condition – Current and/or voltage
Patent
1993-10-20
1995-07-04
Jeffery, John A.
Electrical resistors
Resistance value responsive to a condition
Current and/or voltage
219464, 219449, H01C 710, H01C 713
Patent
active
054304270
ABSTRACT:
The temperature of a glass cooktop is sensed by an elongated thermistor rod positioned below the cooktop. The thermistor rod has a negative temperature coefficient of electrical resistance and is connected in a control circuit for the cooktop heater. The opposite end portions of the thermistor rod are located outside of the housing for the cooktop heater so that electrical connections to such end portions are not exposed to extremely high temperatures.
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Newman Robert L.
Tennant James A.
Jeffery John A.
Therm-O-Disc Incorporated
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