Auxiliary bearing system with oil ring for magnetically supported rotor system
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United States of America Patent
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Apr 2, 2013
Grant Date -
Apr 14, 2011
app pub date -
Oct 8, 2010
filing date -
Oct 9, 2009
priority date (Note) -
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Abstract
An auxiliary bearing system having a sleeve through which a shaft extends. A gap may be defined between the sleeve and the shaft when a primary bearing system supports the shaft, and the sleeve may engage and rotate with the shaft when the primary bearing system does not support the shaft. An oil ring may extend circumferentially around the sleeve and rotate in response to the rotating sleeve when the sleeve engages and rotates with the shaft. The rotating oil ring may distribute lubricant within the auxiliary bearing system.
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