Gear pump arrangement with erosion resistant insert
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United States of America Patent
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Oct 27, 2009
Grant Date -
Nov 15, 2007
app pub date -
May 12, 2006
filing date -
May 13, 2005
priority date (Note) -
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Abstract
A gear pump arrangement comprising a pair of intermeshing gears (16, 18) located between bearing blocks (24) and rotatable to pump fluid from an inlet (12) to an outlet (14), wherein at least one of the bearing blocks (24) comprises a body (28) formed with a recess (32) within which an insert (34) is located, the recess (32) and insert (34) being shaped so as to be of smaller dimensions at a bearing surface (30) of the bearing block (24) than at a point remote therefrom.
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