Gear pump
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 19, 1993
Grant Date -
N/A
app pub date -
Feb 27, 1992
filing date -
Feb 27, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method and apparatus for on-site cleaning of a gear pump by coupling the gear pump outlet to the gear pump inlet and to the inlet end of the passage and which bypasses the bearing and is preferably controlled by a valve element which can block off the bypass in normal operation and be opened for a cleaning operation to increase the pressure on the side of the bearing connected to the inlet and thereby increase the velocity of the flushing stream.
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