Bi-directional hydrostatic thrust bearing for a rotating machine
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United States of America Patent
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Jun 13, 2017
Grant Date -
Aug 27, 2015
app pub date -
Feb 24, 2014
filing date -
Feb 22, 2013
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Abstract
A fluid machine in communication with a thrust bearing fluid source includes a housing having a bearing portion receiving fluid from the fluid source. A bearing chamber is formed in the bearing portion. An extension of a rotor is positioned within the bearing chamber so that a first pocket is disposed adjacent to a first side of the extension and a second pocket is disposed adjacent to a second side of the extension. An extension lateral side is adjacent to the bearing chamber lateral side. The extension comprises a first channel extending from a first half of the extension lateral side to the first pocket. The extension comprises a second channel extending from a second half of the extension lateral side opposite the first channel to the second pocket. The bearing chamber receives fluid from the bearing channel which is communicated to the first and second channels and the pockets.
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