Temperature compensation control

Details Temperature compensation control Temperature compensation control

1975-10-03

1976-12-07

Wayner, William E.

Heating systems

Automatic control

Water

236 91F, 73362SC, F24D 300

Patent

active

039958108

ABSTRACT:
A temperature compensation system using forward biased pn semiconductor junctions as temperature sensing elements to compensate for the rate of heat loss or gain by controlling the temperature of a fluid heat exchange medium. A differential amplifier is driven by changes in the junction voltage drops and controls power to the heating element so as to maintain a controlled relation between the temperature being overcome and the temperature of the heat exchange medium.

REFERENCES:
patent: 2804269 (1957-08-01), Galavics
patent: 3604957 (1971-09-01), Satula

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