Apparatus for producing a controlled pulsed liquid flow

Details Apparatus for producing a controlled pulsed liquid flow Apparatus for producing a controlled pulsed liquid flow

1983-04-21

1985-01-08

Freeh, William L.

Pumps

With condition responsive pumped fluid control

417477, 604 5, 604 65, 2103213, 210927, F04B 4900, F04B 4312, A61M 103, B01D 1300

Patent

active

044925310

ABSTRACT:
An apparatus designed for supplying liquid by means of a roller pump into a membrane module having membranes provided therein in such a way that liquid is introduced in pulsed state into the membrane module by periodically opening and closing a flow path by means of a valve disposed on the flow path on the inlet side or outlet side of the membrane module. The resistance of the membranes to material transfer is reduced and liquid channelling in the membrane module is reasonably avoided, so that the effective area of each membrane may be increased. The apparatus can be advantageously employed to improve the performance of various blood treating and body cavity fluid treating apparatuses incorporating membranes.

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