Rotary piston pump end pressure regulation system
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United States of America Patent
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Jun 12, 2007
Grant Date -
Mar 15, 2007
app pub date -
Sep 15, 2005
filing date -
Sep 15, 2005
priority date (Note) -
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Abstract
A rotary piston pump for fluids, wherein the ends of the housing are configured so as to provide reduced pressure differentials between opposite sides of the rotor end disks.
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