Refrigeration – Processes – Deodorizing – antisepticizing or providing special atmosphere
Patent
1992-09-10
1994-07-12
Bennet, Henry A.
Refrigeration
Processes
Deodorizing, antisepticizing or providing special atmosphere
62 93, 623242, 62239, F23L 1502, F25D 1706
Patent
active
053277392
ABSTRACT:
A desiccant air conditioning system (10) is provided for a passenger compartment (28) of a vehicle. Ambient air, to be eventually conditioned, passes through desiccant material maintained in a desiccant chamber (14) where it loses a portion of its moisture content while its temperature rises because of the release of the heat of vapor condensation. Subsequently, this hot, dry air is passed through a heat exchanger (20) where it is cooled down to a temperature close to the ambient. This very dry, cool air is then humidified by a humidifier (24), becoming cool, moist air, that is introduced into the passenger compartment of the vehicle. Exhaust air (30) from the passenger compartment is further humidified by a humidifier (32), so as to cool it. This cooled, humidified air is then passed through the heat exchanger (20) to cool the hot, dry incoming air. The air conditioning system may also be used in a heating mode by simply deactivating the heat exchanger (20) and the two humidifiers (24 and 32) and using the exhaust air from the passenger compartment as the source of the air (42) incoming into the desiccant chamber. The desiccant material can be regenerated by means (40), such as by passing current therethrough, to drive off absorbed water.
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Ingersoll John G.
Maxwell Linda M.
Bennet Henry A.
Denson-Low W. K.
Doerrler William C.
Hughes Aircraft Company
Lachman M. E.
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