Heat recovery ventilating dehumidifier

Heat exchange – Regenerator – Checker brick structure

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165 16, 165 54, 165 66, 62 90, 62 93, 62 95, 62173, F25D 1706, F25B 2900

Patent

active

051799987

ABSTRACT:
A heat recovery ventilating dehumidifier provides fresh, cool, low relative humidity air to a building or room during warm weather, and warm fresh air during cold weather. Fresh air is drawn into the heat recovery ventilating dehumidifier, cooled and dehumidified by heat exchange by exhausting stale air in a first heat exchanger, then further cooled and dehumidified by passage through a refrigerant coil. After passage through the refrigerant coil the fresh cool air passes through a second heat exchanger, cooling exhausting stale air and in exchange becoming less cool to reduce the relative humidity. The cool, fresh air having a lowered relative humidity is then used to ventilate a building or room. The cooled exhausting stale air then passes through the first heat exchanger cooling the fresh warm incoming air. In the winter time the refrigerant coil is replaced by a heater and heat is recovered from the exhausting stale air and transferred to the incoming fresh air.

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Ollivieri, Humidity Control, Engineering Systems, May 1991 pp. 37-40.
Nicholas H. Des Champs, Dehumidification of Pool Enclosures-, Jan. '90.
Des Champs Laboratories, Inc., Mini-Z-Pack 87, Sep. 1988.
Nicholas H. Des Champs, Improving Air Quality-, Oct. 1989.
Bob Biase, A New Idea for Dehumidification, Hot Line, Feb. 91.

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