Bearing flushing system
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United States of America Patent
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-
May 25, 1993
Grant Date -
N/A
app pub date -
Feb 24, 1992
filing date -
Feb 24, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bearing flushing system is provided that enables the clearance between a bearing and shaft to be flushed with water but prevents the backflow of the pumped liquid into the region. The system hereof includes a flow restrictor located downstream of the bearing which presents a second clearance between the shaft to screen out particulates. A ring may be provided between one of a pump impeller and the shaft downstream of the flow restrictor to provide an additional backflow restriction.
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