Refrigeration – Air compressor – cooler and expander type – Motor-type expander
Patent
1998-07-28
2000-03-28
Doerrler, William
Refrigeration
Air compressor, cooler and expander type
Motor-type expander
62 87, 62 88, F25D 900, F25B 900
Patent
active
060416157
ABSTRACT:
An air cycle air conditioning system including a turbine for receiving air and providing expansion thereof, thus lowering the temperature and pressure of the air, an air--air heat exchanger defining a first air flow path for air to be cooled and a second air flow path for air from the turbine at sub-atmospheric pressure to pass therethrough and absorb heat from the air to be cooled, and a compressor, at least partially driven by the turbine, for drawing air at sub-atmospheric pressure through the second flow path for air, characterized by a pre-heater which heats a flow of air, preferably comprising a mixer of ambient air and recirculation air, and directs this mixed flow to the air--air heat exchanger, thereby increasing its temperature and, as a result, the outlet temperature of the secondary air flow, thereby increasing its water vapor absorption capacity.
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Lior David
Ostersetzer Shlomo
Doerrler William
Tat Technologies Ltd.
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