Magnetically controlled bearing unit

Details Magnetically controlled bearing unit Magnetically controlled bearing unit

1989-04-18

1992-08-25

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 51, 384535, H02K 709

Patent

active

051421771

ABSTRACT:
A bearing unit comprising a rotating body, a rotating shaft and a bearing, wherein there is provided a construction with a plurality of electromagnetic poles is arranged, together with a plurality of sensors for detecting the run-out of the rotating shaft, and also comprises a control circuit for controlling the intensity of a magnetic force according to a detection output of these sensors, thereby controlling the bearing unit so that vibration and run-out of the rotating body due to inbalance thereof are effectively suppressed while making the unit to revolve around the principle axis of shape.

REFERENCES:
patent: 3582162 (1971-06-01), Baermann
patent: 3845995 (1974-11-01), Wehde
patent: 3877761 (1978-04-01), Boden
patent: 4114960 (1978-09-01), Habermann
patent: 4182967 (1980-01-01), Jordan
patent: 4609332 (1986-09-01), Miki
patent: 4626754 (1986-12-01), Habermann
patent: 4652780 (1987-03-01), Murakami
patent: 4683391 (1987-07-01), Higuchi
patent: 4697128 (1987-09-01), Matsushita
patent: 4723735 (1988-02-01), Eisenhaure

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