Gas and liquid contact apparatus – Fluid distribution – Pumping
Patent
1975-06-12
1977-07-26
Miles, Tim R.
Gas and liquid contact apparatus
Fluid distribution
Pumping
251 5, 261112, 261119R, 261142, 261DIG15, 261DIG46, B01F 304
Patent
active
040383474
ABSTRACT:
A humidifying apparatus has an evaporating chamber having an air inlet and an air outlet. The chamber has a bottom wall for supporting a film of water to be evaporated. A drain is associated with the bottom wall for continuously draining water from the evaporating chamber during an operational cycle. A fan is connected to the air inlet of the evaporating chamber to discharge a stream of air into the chamber and across the bottom wall. A water holding tank, having a top wall containing at least one water outlet aperture, is so located in the evaporating chamber to position the aperture adjacent the air inlet and in the flow path of the stream of air. Water supply means selectively supplies water to the holding tank when the fan is operative. The supply means provides a pressure signal, but only when supplying water to the holding tank. A valve means, associated with a water outlet from the holding tank, is in a closed position responsive to the pressure signal. In the absence of the pressure signal the valve means is opened to drain the holding tank.
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Chiesa Richard L.
Miles Tim R.
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