Fluid exchange device

Details Fluid exchange device Fluid exchange device

1971-04-13

1976-01-13

Spear, Jr., Frank A.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

232585, B01D 3100

Patent

active

039322831

ABSTRACT:
This disclosure relates to a fluid exchange device such as an artificial kidney, wherein controlled flow of two membranes for exchange purposes is controlled by means of a special stack of flow plates. These flow plates include first and second sets of flow plates disposed in alternating relation with the flow plates of the first set being contoured to define first flow paths, and the flow plates of the second set being plain and being telescoped within a membrane sleeve, the membrane sleeve being deformable under fluid differential pressure partially into the first flow path so as to define second flow paths between the plain flow plates and the sleeve.

REFERENCES:
patent: 3396849 (1968-08-01), Lande et al.
patent: 3459310 (1969-08-01), Edwards
patent: 3540595 (1970-11-01), Edwards
patent: 3585131 (1971-06-01), Esmohn
Ulmschneider et al., Def. Pub. of Ser. No. 763,804 filed Sept. 30, 1968, published in 867 U.G. 748, on Oct. 21, 1969.

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