Super conductive bearing

Details Super conductive bearing Super conductive bearing

2005-02-15

2005-02-15

Le, Dang (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

Reexamination Certificate

active

06856060

ABSTRACT:
A method and apparatus for supporting a rotor in a free state with respect to a stator with superconducting bearings. The apparatus has a rotor with closed rotor loops mounted on the rotor shaft and which are formed of a material having zero electrical resistance at a temperature below a superconductivity transition temperature. A stator encloses the rotor and has closed stator loops formed of the zero electrical resistance material and angularly positioned on the stator about the closed rotor loops. The closed rotor and stator loops are cooled to a temperature below the superconductivity transition temperature of the loop material and energized to create a magnetic flux between the ones of the closed rotor and stator loops. Apparatus for centering and securing the rotor within the stator is released to enable the rotor to move in the free state with respect to the stator.

REFERENCES:
patent: 3026151 (1962-03-01), Buchhold
patent: 3175405 (1965-03-01), Doyle et al.
patent: 5177054 (1993-01-01), Lloyd et al.
patent: 5256637 (1993-10-01), Rao
patent: 6304015 (2001-10-01), Filatov et al.
patent: 6489700 (2002-12-01), Heiberger et al.
patent: 6657344 (2003-12-01), Post

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