Gas separation: apparatus – Solid sorbent apparatus – With means regenerating solid sorbent
Patent
1997-05-30
1999-05-11
Woo, Jay H.
Gas separation: apparatus
Solid sorbent apparatus
With means regenerating solid sorbent
96108, 96115, 96147, 96151, B01D53/04
Patent
active
059023813
ABSTRACT:
A maintenance free dehydrating breather apparatus for equipment such as oil cooled transformers and the like includes a cap and vessel enclosing a container for desiccant. A heater is mounted within the container in contact with the desiccant. The apparatus is connected through the cap to the equipment being supplied with dehydrated air. When the equipment requires dehydrated air, it draws air in through a vent valve in the vessel and thence through walls of the container and the desiccant. When the equipment expels air, the air is passed out through the vent valve, which otherwise normally seals off the interior of the vessel from the moisture in outside air. At selected intervals, for a selected period of time, a heater within the container is supplied with electrical power to heat the desiccant to drive off the moisture therefrom, which condenses on the walls of the vessel and flows to the bottom of the vessel where it is discharged through the vent valve.
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S.P. Mehta, T.M. Golner, "Transformer Design Considerations for Reduced Maintenance Cost," paper presented at Waukesha Electric Systems Client Group Meeting 1996, at New Orleans, Louisiana, Feb. 2, 1996.
Golner Thomas M.
Mehta Shirish P.
General Signal Corporation
Hopkins Robert
Woo Jay H.
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