Superconducting levitating bearing

Details Superconducting levitating bearing Superconducting levitating bearing

1994-10-25

1996-05-14

Nguyen, Matthew V.

Electrical generator or motor structure

Dynamoelectric

Rotary

505166, 505876, H02K 709, H02K 5500

Patent

active

055170714

ABSTRACT:
A superconducting bearing assembly includes a coil field source that may be superconducting and a superconducting structure. The coil field source assembly and superconducting structure are positioned so as to enable relative rotary movement therebetween. The structure and coil field source are brought to a supercooled temperature before a power supply induces a current in the coil field source. A Meissner-like effect is thereby obtained and little or no penetration of the field lines is seen in the superconducting structure. Also, the field that can be obtained from the superconducting coil is 2-8 times higher than that of permanent magnets. Since the magnetic pressure is proportioned to the square of the field, magnetic pressures from 4 to 64 times higher are achieved.

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