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Patent Searching and Data


Title:
AUXILIARY BEARING SYSTEM WITH PLURALITY OF INERTIA RINGS FOR MAGNETICALLY SUPPORTED ROTOR SYSTEM
Document Type and Number:
WIPO Patent Application WO/2011/044432
Kind Code:
A3
Abstract:
An auxiliary bearing system for supporting a rotating shaft including a first auxiliary bearing coupled to the rotating shaft. A first inertia ring is coupled to and circumscribes the first auxiliary bearing. A second inertia ring circumscribes the first inertia ring. A radial clearance is defined between the first and second inertia rings when the rotating shaft is supported by a primary bearing system, and the first inertia ring engages the second inertia ring when the rotating shaft is not supported by the primary bearing system. A second auxiliary bearing is engaged with an outer surface of the second inertia ring.

Inventors:
MAIER, William C. (6959 Schuyler Rd, Almond, New York, 14804, US)
Application Number:
US2010/051932
Publication Date:
August 25, 2011
Filing Date:
October 08, 2010
Export Citation:
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Assignee:
DRESSER-RAND COMPANY (1101 Paul Clark Drive, P.O. Box 560Olean, New York, 14760, US)
MAIER, William C. (6959 Schuyler Rd, Almond, New York, 14804, US)
International Classes:
F16C33/00; F16C19/06; F16C32/04; F16C33/30; F16C35/00
Foreign References:
US5231323A1993-07-27
US4982126A1991-01-01
US5083053A1992-01-21
US5021697A1991-06-04
Other References:
See also references of EP 2486293A4
Attorney, Agent or Firm:
NOLTE, N. Alexander et al. (Edmonds & Nolte, PC10411 Westheimer Road,Suite 20, Houston Texas, 77042, US)
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