Rotary centrifuge seal

Details Rotary centrifuge seal Rotary centrifuge seal

1980-10-27

1981-11-17

Jenkins, Robert W.

Chemistry: physical processes

277 961, 233 11, B04B 1500

Patent

active

043007171

ABSTRACT:
An improved rotary centrifuge seal is disclosed of the type formed from a rotatable ring member (40) and a non-rotatable ring member (42) having a sealing face of each in contact to provide a dynamic seal between rotatable and stationary centrifuge elements. This improved seal is provided with means for entrapping solid particulate matter generated at areas of contact (44) and means for directing entrapped particles back to the area of contact where they are ingested. This prevents contamination of fluid being processed in the centrifuge with such solid particles, which is particularly important in blood-processing centrifuges.

REFERENCES:
patent: 2005094 (1935-06-01), Lindgren
patent: 2673748 (1954-03-01), Shaw
patent: 2858149 (1958-10-01), Laser
patent: 2878992 (1959-03-01), Pickels
patent: 3409213 (1968-11-01), Latham
patent: 3565330 (1971-02-01), Latham
patent: 3652183 (1972-03-01), Potiharst
patent: 3770181 (1973-11-01), Stahl
patent: 3801142 (1974-04-01), Jones

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