Zone heat control

Details Zone heat control Zone heat control

1980-12-11

1982-12-21

Makay, Albert J.

Automatic temperature and humidity regulation

Combined heater and apartment controlled

236 25R, 237 8R, 417 12, F22B 3500, F24D 300, F04B 4900

Patent

active

043645127

ABSTRACT:
Each heating zone in a structure includes a thermostat controlling a valve feeding one or more heat delivering devices in a heat controlled zone in a structure. A controller periodically attempts to flow a fluid through the control valves and a flow sensor determines whether or not the attempt is successful. If the attempt is unsuccessful, indicating that all control valves are closed, the controller terminates the attempt to flow fluid. If the attempt is successful, indicating that one or more of the control valves are opened by their respective thermostats, the controller provides the circulation of heated fluid therethrough which results in the delivery of heat into the temperature controlled zones. When the last temperature controlled zone has received sufficient heat to cause its control valve to turn off, the flow sensor, sensing this condition, produces a signal which causes the controller to discontinue the flow of fluid.

REFERENCES:
patent: 2545206 (1951-03-01), Main
patent: 3627202 (1971-12-01), Meier
patent: 4150788 (1979-04-01), Matsumoto et al.

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