Cross-flow filter device with pressure-balancing feature

Details Cross-flow filter device with pressure-balancing feature Cross-flow filter device with pressure-balancing feature

1992-04-16

1993-11-02

Sever, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210655, 210137, 21032165, 21050029, B01D 6118

Patent

active

052581225

ABSTRACT:
This invention relates to cross-flow filtration and more particularly towards disposable, compact cross-flow filters and filtration methods incorporating a novel pressure-balancing arrangement comprising a flexible wall which expands and contracts in response to fluid pulsations. The invention further relates to methods of fluid concentration employing such a device to a fluid concentration system, and to methods of making such a filtration device.

REFERENCES:
patent: Re26097 (1966-10-01), Michaels
patent: 3556302 (1971-01-01), Agranat
patent: 3560377 (1971-02-01), Loeffler
patent: 4031008 (1977-06-01), Anno
patent: 4146485 (1979-03-01), Broad
patent: 4601824 (1986-07-01), Dreyer
patent: 4695380 (1987-09-01), Hilgendorff et al.
patent: 4789480 (1988-12-01), Bruschke
patent: 4869821 (1989-09-01), Korin
patent: 4880537 (1989-11-01), Drori
patent: 4897190 (1990-01-01), Klinkau et al.
Filtron, "A Self-Contained Tangential Filtration Device for Laboratory/Pilot Scale Applications"; 1989; Filtron Technology Corporation. (4 pages).

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