Self-centering labyrinth seal
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United States of America Patent
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Feb 27, 2018
Issued Date -
N/A
app pub date -
Jul 23, 2014
filing date -
Aug 28, 2013
priority date (Note) -
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Abstract
An annular seal may include a seal body configured for disposing around a rotor, a plurality of grooves and a plurality of projections formed on an inner circumferential surface of the seal body, and a plurality of dams circumferentially disposed on a first surface of the seal body. The first surface may extend radially from the inner circumferential surface of the seal body. The plurality of dams may be configured to increase a pressure of a working fluid contacting the plurality of dams such that the increase in the pressure may center the annular seal about the rotor.
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