Laminated magnetic structure for superconducting bearings

Details Laminated magnetic structure for superconducting bearings Laminated magnetic structure for superconducting bearings

1992-03-05

1993-03-23

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

505727, H02K 709

Patent

active

051967480

ABSTRACT:
A laminated structure for a superconducting bearing includes at least two magnets stacked in opposing polarity with at least one metallic shim being disposed between adjacent magnets. The multiplicity of opposing polarity magnets causes an increase in flux density gradient and, therefore, bearing stiffness. The laminated structure for a superconducting journal bearing has annular permanent magnets that are magnetized and stacked axially. This structure is disposed within a hollow cylinder made of superconducting material. When the cylinder is made of a Type II superconducting material, the superconducting journal bearing provides support in both the radial and axial directions.

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Superconducting Bearing and Levitation Newsletter.

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