Rotary centrifuge seal
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United States of America Patent
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-
Nov 17, 1981
Issued Date -
N/A
app pub date -
Oct 27, 1980
filing date -
Apr 2, 1979
priority date (Note) -
Expired
status (Latency Note)
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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.
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