Cooling system for centrifugal pump components
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United States of America Patent
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Oct 13, 1992
Grant Date -
N/A
app pub date -
Sep 12, 1991
filing date -
Sep 12, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cooling system for centrifugal pump bearings and seals for use with a centrifugal pump having a housing containing a pumping chamber and a rotating impeller within the pumping chamber, a passage being formed in the housing, the passage receiving fluid from the pumping chamber and directing the fluid thereby providing cooling fluid flow, and an arcuate groove formed in the housing in fluid communication with the passage, a first end of the groove being adjacent the passage, a second end of the groove being distal of said passage, the groove having a depth which varies from the first end to the second end, the depth at the first end being greater than the depth at the second end.
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