Apparatus for separating particulates from a fluid stream

Details Apparatus for separating particulates from a fluid stream Apparatus for separating particulates from a fluid stream

1995-11-28

1998-05-05

Chiesa, Richard L.

Gas separation

Aircraft anti-ingestion means

55406, 55409, 95 35, 95270, 2105123, 210787, B01D 4514

Patent

active

057467897

ABSTRACT:
A radial inflow centrifugal filter device for separating fine particulates from a fluid flow, including a rotatable plurality of hollow parallel disks mounted in spaced apart relationship and attached via spacers to a tube. The hollow drive tube is in flow communication with the interior hollow plenum of the disks which is at a lower pressure relative to the open space between the disks. Rotating the tube causes the disks to rotate. Particulate-laden fluid is allowed to enter the filter device at the perimeter of the rotating disks and experiences a change in momentum due to the interaction of boundary layers of fluid established on each side of every disk. The centrifugal force imparted to both the fluid and particulates causes them to be separated in opposite directions. The particulates are quickly expelled away from the perimeter entrance of the device into the protective cowling surrounding the device, eventually to be scavenged away The filtered fluid continues its motion through the rotating disks, into the central plenum and through the hollow drive tube, thus effecting separation.

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