| 摘要 |
This novel device is an enhanced evaporative cooler, which can be transformed into a heater. It is embodied in a single unit with two operational modes. In the A or cooling mode it is comprised of two cooling stages, the first stage consists of an air blower and a plurality of evaporation channels, and a cold water collection tray placed under the said channels, the evaporation channels have nozzles injecting high pressure water, producing a very fine spray, part of the spray evaporates, the rest is cooled and collected in the cool water tray, this cool water is pump circulated through the second stage. The second stage consists of an air to water heat exchanger, an air blower and a warm water collection tray where the output from the heat exchanger is collected, the water in the warm water tray is pumped back to the nozzles starting a new cycle. In the B or heater mode a heater element located in the second stage warm water tray is activated, the so heated water circulates only within the second stage.
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