Gas separation: processes – Filtering
Patent
1995-12-27
1997-10-28
Woo, Jay H.
Gas separation: processes
Filtering
55339, 55421, 55428, 55467, 55DIG19, 95284, 96189, 123 4186, B01D 4600
Patent
active
056813724
ABSTRACT:
A device and method for separating oil from the vent of an oil reservoir, such as a sump of an oil-free compressor, includes a suction pump for drawing in air from the oil reservoir through a first venting line and delivering the air through a second venting line to a filter on the one hand, and a connection between the oil reservoir and the environment on the other hand. The suction pump always draws a flow at a rate which is greater than a normal venting flow to the sump such that flow through the connection is always from the environment to the oil reservoir in order to maintain a constant air content and pressure in the oil reservoir.
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Atlas Copco Airpower, N.V.
Smith Duane S.
Woo Jay H.
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