Wound filter module

Liquid purification or separation – Filter – Supported – shaped or superimposed formed mediums

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Details

2104971, 55498, B01D 2926

Patent

active

049118420

ABSTRACT:
In a wound filter module with an areal or flat filter band with draining support and spacing band wound around a draining means, central hollow core (K), whose longitudinal edges are enclosed in a wound state in a sealing element (4,6,4',6'), the filter band and the spacing band (1,3) are connected, resting on one another in a coinciding manner, by their two ends to a closed, that is, endless band (B1, B2, B3, B4, Bn) which encloses a central hollow core (K) or a filter core (KB1; KB1,B2;KB1,B2,B3) with its inner side and which is wound around the latter in a spiral manner. Every further, closed filter band with spacing band encloses the particular filter element (K, B1) previously formed and is wound around the latter. The fluid to be filtered and also the filtrate obtained from the individual layers can penetrate both transversally as well as tangentially in the direction of the individual spiral windings (B1 to Bn) to the hollow core (K). The filter module can be better adapted in their design to the very different requirements by virtue of this winding principle.

REFERENCES:
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patent: 3813334 (1974-05-01), Bray
patent: 3933557 (1976-01-01), Pall
patent: 4032688 (1977-06-01), Pall
patent: 4083780 (1978-04-01), Call
patent: 4128479 (1978-12-01), Malchesky et al.
patent: 4235723 (1980-11-01), Bartlett, Jr.
patent: 4479874 (1984-10-01), Rosenberg et al.
patent: 4548714 (1985-10-01), Kirwan, Jr. et al.

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