Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1988-07-26
1990-05-08
Spear, Frank
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210136, 210351, 2104161, B01D 1300
Patent
active
049236121
ABSTRACT:
A fluid recovery and transfer system utilizes hydraulic pressure on a plurality of collapsible containers to effect the alternate intake and output of a fluid from the collapsible containers. The hydraulic pressure is generated through the pumping of a plump fluid to and from a plurality of rigid containers within which the collapsible containers are disposed. The pumping of the pump fluid alternately creates positive and negative pressures within the collapsible containers to draw in the body fluid and to subsequently eject the body fluid. The fluids recovered in such a manner may either be stored, processed, or retransfused back to the body.
REFERENCES:
patent: 3570672 (1971-03-01), Bach
patent: 3673612 (1972-07-01), Merrill et al.
patent: 4624628 (1986-11-01), Marchant
Leahey John L.
Trivett Gordon S.
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