Method and system for pumping two liquids in equal quantities in

Details Method and system for pumping two liquids in equal quantities in Method and system for pumping two liquids in equal quantities in

1987-10-20

1989-08-15

Jones, W. Gary

Liquid purification or separation

Processes

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

210101, 21032165, 21032171, 21032172, 210650, 210739, 210929, B01D 1300

Patent

active

048571997

ABSTRACT:
A method and a system of pumping a first and a second liquid in an artificial kidney in substantially equal quantities at a substantially constant flow. The system includes a main pump having complementary main chambers, and first and second auxiliary pumps each having complementary auxiliary chambers. The pumps are reciprocated in unison and the system further includes a unique configuration of intake and discharge lines and associated control valves which provide a constant and equal flow of first and second liquid into and out of the artificial kidney during reciprocation of the pumps in both directions.

REFERENCES:
patent: 4054522 (1977-10-01), Pinkerton
patent: 4477342 (1984-10-01), Allan et al.
patent: 4728433 (1988-03-01), Buck et al.

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