Patent ID: 6324862
Filing Date: 2001-12-04
Classification: F24F,F28C,F28D,Y02B

Abstract:
An air cooler embodying an air cooler in operational mode A or an air heater in operational mode B, this invention, is characterized by having two stages, the first one is comprised by a first air blower placed in front of an array of vertical evaporation channels, said channels having water injection nozzles pointing upward toward protruding water impacting surfaces near the top end of the channels, said channels are mounted on the cover of a first or cold water collection tray, where the water from the channels drain, also it has a first water pump with intake lines from the said first water tray and output lines to the second stage, said second stage is comprised by an air to water heat exchanger, mounted on the cover of the second water collection tray where the said exchanger drains the circulating water, also a second air blower and a second water pump are located in front of the said heat exchanger, the said second pump has intake lines connected to said second water tray, and output lines connected to the water nozzles inside the said evaporation channels of the first stage, and through valves and proper lines back to the said heat exchanger of the second stage, also the said second tray has an internal on/off heating device thermostaticaly controlled.