Refrigeration – Using electrical or magnetic effect – Thermoelectric; e.g. – peltier effect
Patent
1977-06-13
1980-05-13
Wayner, William E.
Refrigeration
Using electrical or magnetic effect
Thermoelectric; e.g., peltier effect
62271, 126427, F25B 2700
Patent
active
042021790
ABSTRACT:
An apparatus and method for cooling internal environment air using energy from the sun. In accordance with the method of the invention, internal environment ("inside") air is circulated over a desiccant and thereby dried. The dried air, which takes on heat as a consequence of the drying operation, is relatively cooled by performing a heat exchange operation with external environment ("outside") air. At this stage, the dried inside air is at a temperature which is only slightly above the temperature of the outside air. Moisture is then added to the dried inside air which had been subjected to the heat exchange operation. The evaporation of the moisture into the dried air restores it to a desired relative humidity and effects a cooling of the air which is then returned to the internal environment. The operation of drying the inside air will, after a time, render the desiccant too wet to perform efficiently. The desiccant is then heated with solar energy, when available, so as to remove moisture from the desiccant. When solar energy is not sufficiently available, the desiccant is heated with an auxiliary energy source, typically a conventional heating source such as electrical heating elements. The desiccant is cooled, after the drying thereof, by performing a heat exchange with outside air. The two heat exchange operations, viz. cooling the dried room air and cooling the dried desiccant, are preferably performed simultaneously.
REFERENCES:
patent: 2221971 (1940-11-01), Haywood
patent: 2469496 (1949-05-01), Christenson
patent: 3469375 (1969-09-01), Barrington et al.
patent: 3734293 (1973-05-01), Biskis
patent: 4121428 (1978-10-01), Glenn et al.
New York Institute of Technology
Novack Martin
Wayner William E.
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