Rotary filtration system

Details Rotary filtration system Rotary filtration system

2011-04-19

2011-04-19

Soohoo, Tony G (Department: 1777)

Liquid purification or separation

Filter

Movable medium

C210S321670, C210S321680, C210S321870, C210S331000, C210S459000, C210S402000

Reexamination Certificate

active

07926666

ABSTRACT:
A rotary filtration apparatus for filtering a feed fluid into permeate is provided. The rotary filtration apparatus includes a container that has a feed fluid inlet. A shaft is at least partially disposed in the container and has a passageway for the transport of permeate. A disk stack made of a plurality of filtration disks is mounted onto the shaft so that rotation of the shaft causes rotation of the filtration disks. The filtration disks may be made of steel components and may be welded together. The shaft may penetrate a filtering section of the container at a single location. The rotary filtration apparatus may also incorporate a bellows seal to prevent leakage along the shaft, and an around the shaft union rotary joint to allow for removal of permeate. Various components of the rotary filtration apparatus may be removed as a single assembly.

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Definition of “vertical”, Jul. 11, 2009, Merriam-Webster's Online Dictionary, pp. 1-2.
Machine translation of JP 05137975 A, accessed Dec. 14, 2009, pp. 1-4.

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