Air conditioning apparatus using liquid nitrogen

Refrigeration – Storage of solidified or liquified gas – With vapor discharged from storage receptacle

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62 78, F17C 704

Patent

active

059606355

ABSTRACT:
Air conditioning apparatus using liquid nitrogen. A source of liquid nitrogen fills a pressure vessel as necessary. A release valve releases the liquid nitrogen from the pressure vessel into a housing to absorb latent heat and become nitrogen gas. A thermostat controls the release valve. A dehumidifying arrangement blows warmer air from outside the housing to mix with the nitrogen gas inside the housing to become a cooler air mixture. The dehumidifying arrangement further dehumidifies the cooler air mixture before directing the cooler air mixture to the atmosphere outside the housing.

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