Serum/plasma separators with centrifugal valves

Details Serum/plasma separators with centrifugal valves Serum/plasma separators with centrifugal valves

1974-02-27

1976-03-23

Spear, Jr., Frank A.

Liquid purification or separation

Gravitational separator

Portable invertible, e.g., milk and cream separator

210DIG23, B01D 2126

Patent

active

039459284

ABSTRACT:
An evacuated tube having both ends closed has a flap type valve fixedly disposed between the ends for dividing the tube into upper and lower chambers. The valve is formed and arranged to provide a passageway between the upper and lower chambers when subjected to centrifugal forces of proper intensity and direction. Upon cessation of the force, the valve closes to provide a separation between the upper and lower chambers.

REFERENCES:
patent: 3508653 (1975-08-01), Coleman
patent: 3741400 (1973-06-01), Dick
patent: 3800947 (1974-04-01), Smith
patent: 3814248 (1974-06-01), Lawhead

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