Serum/plasma separator with centrifugal valve

Details Serum/plasma separator with centrifugal valve Serum/plasma separator with centrifugal valve

1974-02-27

1976-01-27

Spear, Jr., Frank A.

Liquid purification or separation

Gravitational separator

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

210DIG23, B01D 2126

Patent

active

039351130

ABSTRACT:
An evacuated tube having both ends closed has a ball actuated resilient aperture 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 opened by the ball subjected to a centrifugal force 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: 2577780 (1951-12-01), Lockhart
patent: 3326215 (1967-06-01), Sarnoff et al.
patent: 3508653 (1970-04-01), Coleman
patent: 3647070 (1972-03-01), Adler
patent: 3741400 (1973-06-01), Dick
patent: 3814248 (1974-06-01), Lawhead
patent: 3849072 (1974-10-01), Ayres

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