Liquid purification or separation – Plural distinct separators – Filters
Patent
1986-09-17
1988-03-22
Spear, Frank
Liquid purification or separation
Plural distinct separators
Filters
210488, 210508, B01D 4602
Patent
active
047326778
ABSTRACT:
A fluid filter is disclosed which consists of a stack of discs which are formed form an air laid, nonwoven batt of randomly arrayed fibers. The batt includes a thermoplastic component to give the disc a self-supporting stiffness when molded. Each of the discs have radially extending contaminant collecting surfaces on the opposite sides thereof, and each have axially offset portions circumscribing the inner and outer diameters of the disc. Alternate disc in the stack are inverted, so that the axially offset portions on the inner and outer circumferences of the disc are brought into registration with one another. Accordingly, radially extending flow paths are defined between the disc to communicate fluid toward and away from the contaminant collecting surfaces. Ribs are provided on the contaminant collecting surfaces to maintain separation of the disc under dynamic flow conditions.
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Allied Corporation
Antonis W. N.
Decker Ken C.
Spear Frank
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