Magnetic bearing device

Details Magnetic bearing device Magnetic bearing device

1990-07-27

1991-12-17

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 709

Patent

active

050737376

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. Each of bearing elements includes a control coil provided with a pair of pole pieces, wherein a top end of each of the pole pieces is disposed near to the armature disk, and the pole pieces are mounted with a sensor coil at a position nearer to a front end side of the control coil.

REFERENCES:
patent: 4167296 (1979-09-01), Dendy
patent: 4353602 (1982-10-01), Habermann
patent: 4609869 (1986-09-01), Metcalf
patent: 4879500 (1989-11-01), Kanemitsu
patent: 4920291 (1990-04-01), McSparran
patent: 4942321 (1990-07-01), Kanemitsu

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