Impeller for centrifugal pump and use thereof when pumping drill fluid containing cuttings
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United States of America Patent
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Aug 15, 2017
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N/A
app pub date -
Nov 7, 2013
filing date -
Nov 12, 2012
priority date (Note) -
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Abstract
An impeller for a centrifugal pump for pumping fluid containing solid particles includes: a rear side wall; a front side wall; a plurality of vanes located between the rear side wall and the front side wall, each vane having an outer edge and a vane width in an axial direction of the impeller. At least one of a periphery of the rear side wall or a periphery of the front side wall projects by a radial distance beyond the outer edges of the vanes, the radial distance being at least 0.5 times the vane width.
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