Diffuser for cable suspended dewatering pumping system
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United States of America Patent
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Nov 1, 2016
Issued Date -
N/A
app pub date -
Jun 19, 2013
filing date -
Jun 25, 2012
priority date (Note) -
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Abstract
A pump includes one or more stages, each stage including a tubular housing and a mandrel disposed in the housing. The mandrel includes a rotor rotatable relative to the housing and having: an impeller, a shaft, and one or more helicoidal blades on an outer surface of the impeller. The mandrel further includes a diffuser: connected to the housing, having the rotor shaft extending therethrough and having a plurality of vanes on an outer surface thereof. Each vane has an arcuate portion and a longitudinal portion. The diffuser further has a channel formed between an adjacent pair of vanes. The pump further includes a fluid passage formed between the housing and the mandrel.
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