Magnetic bearing apparatus

Details Magnetic bearing apparatus Magnetic bearing apparatus

1993-03-29

1994-10-11

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 68B, 32420716, H02K 709

Patent

active

053550412

ABSTRACT:
A radial magnetic bearing apparatus suspends a rotating shaft and stably operates at a level exceeding a bending intrinsic vibration value of the rotating shaft by controlling magnetic forces generated by control coils wound around control magnetic poles. Grooves are provided on the surface of each control magnetic pole facing the rotating shaft, and sensor coils are wound to pass through the grooves in order to detect the position of the rotating shaft in the radial direction. A part of each control magnetic pole may be used as magnetic poles of an inductance-type displacement sensor.

REFERENCES:
patent: 4683111 (1987-07-01), Helm et al.
patent: 4683391 (1987-07-01), Higuchi
patent: 4774424 (1988-09-01), Habermann
patent: 5093754 (1992-03-01), Kawashima
English Abstract of J.P. Public Disclosure No. 153013/86.
English Abstract of Japanese application No. 60-175823, filed Sep. 10, 1984.

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