Hydrodynamic thrust bearing assembly
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United States of America Patent
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Sep 7, 1999
Grant Date -
N/A
app pub date -
Nov 19, 1997
filing date -
Nov 19, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hydrodynamic thrust bearing assembly for supporting a reduced diameter end portion of a rotating shaft includes a thrust button or plate having one end thereof abutting an end of the reduced diameter end portion to absorb axial forces exerted by the rotating shaft, and a hollow cylindrical bearing sleeve disposed around the reduced diameter end portion, and wherein the thrust button has a central aperture for introduction of a process fluid and a plurality of slots in the one end of the thrust button and communicating with the central aperture in the thrust button and with a helical groove formed in an interior surface of the sleeve.
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