Hydraulic pump having a noise reduction recess
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 25, 2003
Grant Date -
N/A
app pub date -
Jul 15, 2002
filing date -
Jul 15, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An internal/external gear pump includes a wear plate disposed between the gear members and at least one sidewall of the pump. The wear plate has a recess formed therein having a substantially constant depth and width. The recess extends into the full mesh point between the gear members of the pump to provide a flow path from the full mesh point to an inlet side or suction port of the pump.
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