Vane pump with improved rotor and vane extension ring
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United States of America Patent
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Mar 18, 2014
Grant Date -
Feb 9, 2012
app pub date -
Apr 21, 2010
filing date -
Apr 21, 2009
priority date (Note) -
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Abstract
A fluid vane pump having a housing with a generally cylindrically walled control volume with an inlet and outlet. A rotor is provided having a rotatable axis within the cylindrical wall control volume. The rotor has a plurality of radially movable vanes operating with the cylindrical wall. A single vane ring is provided which operates with the rotor having an outer radial surface contacting the inner radial edges of the vanes.
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