Liquid refrigeration system for an enclosure temperature control

Details Liquid refrigeration system for an enclosure temperature control Liquid refrigeration system for an enclosure temperature control

1979-04-03

1981-06-09

Wayner, William E.

Refrigeration

Automatic control

Of external fluid reheating

62201, F25B 2900, F25D 1702

Patent

active

042716780

ABSTRACT:
An economical energy-saving air-conditioning system for cooling air in an enclosure requiring year-around cooling. An outdoor heat exchanger is operative in a recirculating liquid closed-loop cooling system. A temperature controlled actuator provides continuous free cooling when the outside temperature is approximately 35.degree. to 40.degree. F. or less; and provides free pre-cooling of the air when the outside temperature is in the 35.degree. to 65.degree. F. range. The closed-loop comprises conventional components for summer temperature cooling; and, in less-than summer temperatures the present invention utilizes the outside heat exchanger to provide cool heat exchange liquid to a (free) cooling coil positioned to confront the air stream in advance of a refrigerant coil. Reheat for dehumidification is provided in an embodiment wherein thermal energy is taken from the waste heat of the refrigerant system.

REFERENCES:
patent: 2242334 (1941-05-01), Wile
patent: 3525385 (1970-08-01), Liebert
patent: 4023947 (1977-05-01), Ferry

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