Superconducting bearing unit and operating method thereof

Details Superconducting bearing unit and operating method thereof Superconducting bearing unit and operating method thereof

1992-09-30

1994-08-23

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

505876, H02K 709

Patent

active

053410599

ABSTRACT:
A superconducting bearing unit compring a permanent magnet mounted to a rotating shaft and a superconducting body mounted on the inner periphery of a housing surrounding the shaft, the superconducting member being adapted to be cooled with the rotating shaft moved upwards until it attains a superconducting condition, so that the rotating shaft is supported in use in a balanced condition between the weight of the rotating shaft, etc. and a pinning force caused by the permanent magnet and the superconducting member.

REFERENCES:
patent: 4926082 (1990-05-01), Barnes
patent: 4956571 (1990-09-01), Gordon et al.
patent: 5117139 (1992-05-01), Flom et al.
patent: 5126317 (1992-06-01), Agarwala
patent: 5130588 (1992-07-01), Armstrong et al.
patent: 5159219 (1992-10-01), Chu et al.
patent: 5196748 (1993-05-01), Rigney
"Modern Physics Letter B", World Scientific, vol. 6, 1992.
"Characterization of High-Temperature Superconducting Bearing", Yotsuya et al. 36A Advances in Cryogenic Engineering, N.Y., 1992.
"Magnetic Levitation Using YBaCuO Superconductors Fabricated by the MPMG Process" by Marakami et al, 1991.
"Lecture Summary of the 1991 Spring Cryogenic Engineering and Superconducting Symposium".

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