Heating and cooling system using ground water

Details Heating and cooling system using ground water Heating and cooling system using ground water

1980-10-08

1984-01-24

Favors, Edward G.

Heat exchange

Movable heating or cooling surface

Rotary drum

165 45, 62260, 62160, 62181, 236 1E, F25B 1300, F25B 2900, F25D 1700

Patent

active

044270550

ABSTRACT:
A forced air heating and cooling system employs a water source heat pump as the primary heating source and as a back-up or supplementary source of cooling. Supplementary heating is supplied by an electrical heater such as resistance heater, while primary cooling is provided by a water coil heat exchanger. Separate thermostats control the heat pump on the one hand, and the resistance heater and water coil heat exchanger on the other hand; the two thermostats can be combined in a simple unit. The thermostats automatically control two valves which control system water flow. For cooling, a first valve opens to permit water flow in series through first the water coil and then the heat pump. For heating, only the second valve is opened to bypass the water coil and deliver water directly to the heat pump. The water is ground water derived from a well, spring or lake. The thermostats automatically switch on the heat pump, heater and/or heat exchanger to effect the necessary heating or cooling.

REFERENCES:
patent: 2202946 (1940-06-01), Carrier
patent: 2299531 (1942-10-01), Crawford
patent: 3993120 (1976-11-01), Iberg et al.
patent: 4012920 (1977-03-01), Kirschbaun
patent: 4270362 (1981-06-01), Lancia et al.
patent: 4327560 (1982-05-01), Leon et al.

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