Centrifugal pump
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United States of America Patent
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Apr 30, 1991
Grant Date -
N/A
app pub date -
Feb 5, 1990
filing date -
Apr 27, 1989
priority date (Note) -
Expired
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Abstract
The centrifugal pump having a closed type impeller with two cover discs and vanes therebetween. The inner parts of the vanes cooperate with a non-rotating insert part for cutting within the pump inlet. The lower cover disc together with the non-rotating insert part in the pump inlet creates a radial seal.
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