Liquid purification or separation – Filter – Movable medium
Patent
1993-10-22
1995-07-11
Dawson, Robert A.
Liquid purification or separation
Filter
Movable medium
2103602, 2103801, 2104161, 210398, B01D 3500
Patent
active
054318149
ABSTRACT:
A rotary filtration apparatus for separating a selected material suspended in a fluid, the apparatus comprising a housing having a selected axis of rotation, the housing being rotatably mounted on a rotation device which rotates the housing about the selected axis of rotation of the housing; the housing sealably enclosing and defining a fluid sealed cavity extending radially outwardly from the axis of the housing; a filter mounted within the cavity of the housing such that the cavity is divided into at least a first fluid retentive input chamber and a second fluid retentive output chamber, the input and output chambers being disposed on opposite sides of the filter; a fluid input line sealably communicating with the fluid input chamber for feeding the material suspended in the fluid into the input chamber under a selected pressure; the filter being selectively permeable to the fluid under the selected pressure and selectively impermeable to the selected material under the selected pressure, the fluid being fed into the input chamber flowing through the filter and into the output chamber under the selected pressure; a fluid output line sealably communicating with the input chamber for receiving and routing fluid which is fed into the input chamber out of the input chamber; the rotation device drivably rotating the housing around the axis such that the material suspended in the fluid in the input chamber is forced to travel under centripetal force in a radially outward direction from the axis.
REFERENCES:
patent: 4832853 (1989-05-01), Shiraki et al.
patent: 5281343 (1994-01-01), Lewis et al.
patent: 5282981 (1994-02-01), Adams et al.
patent: 5314074 (1994-05-01), Inbar et al.
Dawson Robert A.
Oliverio M. Lawrence
Reifsnyder David
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