Impeller for centrifugal pump

Details Impeller for centrifugal pump Impeller for centrifugal pump

2006-12-13

2009-06-23

Kershteyn, Igor (Department: 3745)

Rotary kinetic fluid motors or pumps

Centripetal pump

C416S18600A, C416S228000

Reexamination Certificate

active

07549837

ABSTRACT:
A centrifugal pump includes a rotatable shaft; and at lest one impeller attached to the rotatable shaft, wherein the at least one impeller includes a top plate, and a bottom plate, and a plurality of vanes enclosed between the top plate and the bottom plate, wherein at least one of the plurality of vanes has a trailing end that comprises a first surface that adjoins the top plate substantially at an outer edge of the top plate and a second surface that is substantially flush with an axially outward surface of the bottom plate.

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