| 摘要 |
A non-circulating water system for use in evaporative coolers which incorporates a timing means in conjunction with a valve means, to control the flow of water to the pads. It applies measured amounts of water to the pad and allows measured amounts of time between applications so that most of the water is used in the evaporation process and minimal amounts of water are discharged though a drain. Domestic water line pressure is used to transfer water to the pads, eliminating the need for reservoir water, float valve, pump and overflow pipe. The cycle of the timing means may be varied dependent on moisture or temperature conditions sensed in the pad.
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