Liquid pump
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United States of America Patent
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Dec 29, 1992
Issued Date -
N/A
app pub date -
Feb 22, 1991
filing date -
Sep 5, 1989
priority date (Note) -
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Abstract
A two stage centrifugal and shear pump is characterized by low turbulence for pumping delicate liquids, as blood. Centrifugal first stage is a hollow shaft on which the shear pump discs are mounted. Offset slots in the shaft and disc hubs direct liquid out of the shaft to the discs.
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