Magnetic bearing device

Details Magnetic bearing device Magnetic bearing device

1990-07-27

1991-11-26

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 709

Patent

active

050685589

ABSTRACT:
The invention discloses a magnetic bearing device having a rotary main shaft, an armature disk mounted on the rotary main shaft, and a pair of bearing elements disposed on opposite sides in axial direction of the armature disk of bearing elements includes a permanent magnet provided with a pair of pole pieces, the top ends of each of the pole pieces being disposed near to the armature disk, and a control coil being disposed between said pole pieces at a position nearer to front end side than the control coil.

REFERENCES:
patent: 3890019 (1975-06-01), Boden
patent: 3909082 (1975-09-01), Ishikawa
patent: 4167296 (1979-09-01), Dendy
patent: 4920291 (1990-04-01), McSparran

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