Refrigeration – Processes – Circulating external gas
Patent
1996-12-23
1999-02-23
Tapolcai, William E.
Refrigeration
Processes
Circulating external gas
62244, 62271, F25D 1706
Patent
active
058732560
ABSTRACT:
An apparatus and method for automatically regulating the environmental system of a motorized vehicle and other articles having storage compartments. As impinging air flow is directed through the cabin or compartment subject to environmental control it comes in contact with a desiccant filler contained within a desiccant wheel or canister. The desiccant material absorbs moisture out of the air stream. The resultant air stream, or the extracted moisture released into another air stream, may then be directed to the interior of the motorized vehicle or used in other parts of the system. The net effect is a decrease or increase in the relative humidity level of the air mass contained in the cabin or compartment of a motorized vehicle or refrigeration unit. As one portion or element of the desiccant filler becomes saturated, the other portion or element of the desiccant filler completes it's regeneration cycle. The air streams are altered so that the designated air stream remains in either the hydrous or anhydrous desiccant, thus producing a constant air flow containing either an increased relative humidity or an air stream with a reduced relative humidity to achieve the desired result. The apparatus includes, at least one moisture collection device having an inlet and an outlet, and a system of flow conduits or paths into and out of the compartment or cabin. The air streams may be directed to at least one heat exchanger, a pre-cooler, a compressor, or an evaporator.
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