Liquid purification or separation – Filter – Movable medium
Patent
1991-04-30
1992-09-22
Dawson, Robert A.
Liquid purification or separation
Filter
Movable medium
2103601, 210378, 210379, 2103801, 210512B, 494 27, 494 36, 494 43, 494 60, 494901, B04B 900
Patent
active
051494329
ABSTRACT:
A centrifuge for separating liquids, e.g., oil from water. The centrifuge basically comprises a housing having first and second cavities, and a liquid conveying wall disposed over a bowl arranged to be rotated about a central axis. The bowl includes an annular top wall having an annular separator plate including a central hub mounted below the top wall. The separator plate is spaced from the bowl to enable the second liquid to flow therebetween and into the space between it and the top wall. The hub has plural radial passageways in communication with the space between the separator plate and the top wall and also with the space between the top wall and the liquid conveying wall. The hub also has plural axial passageways communicating with the interior of the bowl and located at the interface of the two liquids formed when the bowl is rotated. Each axial passageways has an outlet in communication with the liquid conveying wall. When the bowl is rotated about the axis the first liquid flows through the radial passageways to the first cavity and the second liquid flows through the axial passageways to a second cavity.
REFERENCES:
patent: 3075693 (1963-01-01), Dega
patent: 3332614 (1967-06-01), Webster et al.
patent: 4362619 (1982-12-01), Bange
patent: 4895666 (1990-01-01), Franzen et al.
patent: 4959158 (1990-09-01), Meikrantz
Dawson Robert A.
Reifsynder David
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