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Damping and support in high-temperature superconducting levitation systems

United States Patent

December 15, 2009
View the Complete Patent at the US Patent & Trademark Office
Methods and apparatuses to provide improved auxiliary damping for superconducting bearings in superconducting levitation systems are disclosed. In a superconducting bearing, a cryostat housing the superconductors is connected to a ground state with a combination of a damping strip of material, a set of linkage arms to provide vertical support, and spring washers to provide stiffness. Alternately, the superconducting bearing may be supported by a cryostat connected to a ground state by posts constructed from a mesh of fibers, with the damping and stiffness controlled by the fiber composition, size, and mesh geometry.
Hull; John R. (Sammamish, WA), McIver; Carl R. (Everett, WA), Mittleider; John A. (Kent, WA)
The Boeing Company (Chicago, IL)
11/ 968,350
January 2, 2008
STATEMENT OF GOVERNMENT RIGHTS This disclosure was made with Government support under contract No. DE-FC3699-GO10285 awarded by the Department of Energy. The Government has certain rights in this disclosure.