Hydrodynamic seal
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United States of America Patent
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-
Sep 23, 1986
Grant Date -
N/A
app pub date -
Mar 8, 1984
filing date -
Mar 8, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fluid pump is provided with a casing having a pumping chamber, an impeller arranged within the pumping chamber, a vortex chamber arranged to open inwardly of the pumping chamber and a repeller carried by the impeller and arranged to extend into the vortex chamber; the repeller and vortex chambers cooperating to create a toroidal flow of fluid within the vortex chamber incident to rotation of the impeller.
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