Differential thermostatic controller for solar heating system

Details Differential thermostatic controller for solar heating system Differential thermostatic controller for solar heating system

1976-04-22

1978-09-26

O'Dea, William F.

Stoves and furnaces

Heaters

Surface

236 91F, 237 1A, 126270, 126400, F24J 302

Patent

active

041162196

ABSTRACT:
A controller for a solar heating system includes a differential thermostat which responds to a preselected temperature differential between fluid in a solar collector and in a storage tank to operate a motor to pump fluid therebetween. The particular circuitry of the thermostat allows the use of non-linear sensing devices. Safety features includable in the controller provide for sensing of high and low extreme temperature conditions to prevent excess pressure in the storage tank or freezing of water in the collector.

REFERENCES:
patent: 3388860 (1968-06-01), Kruper
patent: 3747849 (1973-07-01), Heierli
patent: 3931806 (1976-01-01), Hayes
patent: 3986489 (1976-10-01), Schlesinger
patent: 3998207 (1976-12-01), Watt

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