Refrigeration – Disparate apparatus utilized as heat source or absorber – With vapor compression system
Patent
1987-11-05
1989-04-25
Bennet, Henry A.
Refrigeration
Disparate apparatus utilized as heat source or absorber
With vapor compression system
62271, 62513, F25B 2702
Patent
active
048235571
ABSTRACT:
Dehumidifier water heater structure and method. The structure includes an outer, air permeable enclosure and a vertical stack positioned centrally thereof, a heat pump circuit including a compressor centrally of the enclosure, a condenser heat exchanger, within and extending axially of the vertical stack, an expansion device connected to the bottom of the condensor heat exchanger and an evaporator coil within the enclosure surrounding the compressor and connected between the compressor and expansion device. A fan for forcing air form the enclosure through the stack, insulation surrounding the condenser heat exchanger and a pump for passing water to be heated through the condenser heat exchanger may also be provided. In the method, the air to be dehumidified is passed through the enclosure so that moisture in the air will condense on the evaporator and dehumidified air is passed out of the stack by convection or may be assisted by a fan while water to be heated is passed upwardly through the condenser heat exchanger due to the thermal siphon principal or may be pumped. In another embodiment of the invention, the temperature of the evaporator is selectively varied above and below the dew point of the ambient air by varying the air flow over the evaporator or the refrigerant flow through the evaporator as by parallel expansion devices, one of which is selectively closeable to selectively provide a dehumidifier water heater or a heat pump water heater.
REFERENCES:
patent: 4513585 (1985-04-01), Maisonneuve
patent: 4727727 (1988-03-01), Reedy
Bottum Edward W.
Bottum, Jr. Edward W.
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