Liquid purification or separation – Casing divided by membrane into sections having inlet – Energy recovery from treated liquid
Patent
1976-11-15
1978-09-19
Spear, Jr., Frank A.
Liquid purification or separation
Casing divided by membrane into sections having inlet
Energy recovery from treated liquid
210321B, 210494M, 2104971, B01D 3100
Patent
active
041152735
ABSTRACT:
An extracorporeal, disposable, dialyzer for use in a variety of artificial kidney or other mass transfer systems, which includes a sheet of plastic material supporting a flattened tube of membrane material, the sheet of support material consists of a continuous sheet of contoured, substantially uniform thickness material including a series of spaced apart hollow protrusions extending outwardly from each side thereof, the summits of the hollow protrusions defining membrane support surfaces on each side of the sheet, and the summits being arranged with respect to each other in predetermined wave patterns dimensioned and arranged such that, when an elongated length of the sheet is formed into a roll having predetermined inner and outer peripheral dimensions, the wave patterns will never be directly superimposed thereby avoiding the tendency of corresponding hollow protrusions to interdigitate and occlude the fluid flow passages.
REFERENCES:
patent: 3738813 (1973-06-01), Esmond
patent: 3960730 (1976-06-01), Miller
Cross E. Rollins
Extracorporeal Medical Specialties Inc.
Spear, Jr. Frank A.
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