Liquid purification or separation – Filter – Supported – shaped or superimposed formed mediums
Patent
1987-10-27
1991-08-06
Alvo, Steve
Liquid purification or separation
Filter
Supported, shaped or superimposed formed mediums
210492, 210498, B01D 2502, B01D 2946
Patent
active
050375482
ABSTRACT:
A multiple-disc filter body for separating solid particles from a fluid flowing through the filter body from its inlet side to its outlet side, comprises a stack of filter discs in which the side faces of each pair of adjacent discs are formed with ribs of at least two different heights such as to define filtering passageways of a larger size on the inlet side of the filter stack and filtering passageways of a smaller size on the outlet side of the filter stack in series with the larger-size filtering passageways, whereby coarse particles are first separated by the fluid in the larger size filtering passageways, and then finer particles are separated from the fluid in the smaller size filtering passageways.
REFERENCES:
patent: 3005556 (1961-10-01), Jensen
patent: 4549963 (1985-10-01), Jensen et al.
patent: 4592839 (1986-06-01), Rosenberg
patent: 4661250 (1987-04-01), Rosenberg
patent: 4726900 (1988-02-01), Keskinen et al.
Alvo Steve
Barish Benjamin J.
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