Debris resistant thrust bearing assembly for high speed hydraulic centrifugal turbines and pumps
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United States of America Patent
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Jun 20, 2017
Grant Date -
Feb 12, 2015
app pub date -
Aug 26, 2014
filing date -
Dec 22, 2011
priority date (Note) -
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Abstract
A rotating assembly adapted for use in turbines and pumps is provided. The rotating assembly includes a shroud that rotates around a central axis and a disk seated in a recess in the shroud so that the disk rotates with the shroud, the disk being oriented perpendicular to the central axis. The rotating assembly also includes a stationary element in which at least one surface of the disk contacts a fluid so that when the fluid flows under pressure, the surface of the disk resists the generation of drag between the surface and the stationary element of the rotating assembly. A shroud is provided that includes a circular recess with a cavity on an outer perimeter extending away from the fixed assembly. A method of manufacturing a rotating assembly is provided.
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