Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent
1992-03-03
1992-12-15
Spitzer, Robert
Gas separation
With nonliquid cleaning means for separating media
Solid agent cleaning member movingly contacts apparatus
55275, 55316, 55387, 55DIG17, B01D 5304
Patent
active
051713365
ABSTRACT:
A purge air system is disclosed. The system provides a common source of a periodic flow of dry air and a continuous flow of dry air for delivery to a plurality of remote control boxes containing electronic components. The purge air system includes a common cabinet which houses a dryer connected to receive air from an inlet for removal of moisture from the air, a continuous flow outlet connected to receive dry air from the dryer, a periodic flow outlet connected to receive dry air from the dryer to provide a source of periodic flow of dry air, and a periodic flow valve connected to regulate the flow of dry air from the dryer to the periodic flow outlet. Conduits connect the outlets to the remote control boxes. The periodic flow valve may be controlled by an adjustable timer, to provide a cyclical flow of dry air for periods of from one to thirty seconds followed by non-flow periods of from about one to sixty minutes. Pre-filters may be employed to pretreat the air prior to entrance into the dryer.
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