Classifying – separating – and assorting solids – Fluid suspension – Gaseous
Reexamination Certificate
2005-10-19
2008-08-19
Mackey, Patrick (Department: 3653)
Classifying, separating, and assorting solids
Fluid suspension
Gaseous
C209S142000, C209S148000, C209S915000
Reexamination Certificate
active
07413084
ABSTRACT:
The present invention is directed to a system and method for continuously or substantially continuously separating particulate matter based on particle size and/or density of the matter. The system includes a separation chamber having a bottom portion disposed within a cavity of a rotatable bowl having fluid therein, preferably water. The internal cavity of the separation chamber is maintained under negative pressure such that fluid is drawn through the separation chamber at a predetermined velocity to separate the solids. Larger, dewatered and/or denser solids are directed to the cavity of the rotatable bowl and can be removed by rotation of the bowl while the smaller and/or less dense solids and fluid travel up through the separation chamber.
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Mackey Patrick
Matthews Terrell H
Sheridan & Ross P.C.
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