Magnetic bearing for active centering of a body mobile relative

Details Magnetic bearing for active centering of a body mobile relative Magnetic bearing for active centering of a body mobile relative

1997-06-30

1999-07-27

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 106, F16C 3906

Patent

active

059295465

ABSTRACT:
A magnetic bearing for active centering about at least one centering axis of a second body mobile relative to a first body has a first portion including two parallel ferromagnetic plates, a first core carrying a first coil and permanently magnetized means magnetized perpendicularly to the ferromagnetic plates, said first mounted between said ferromagnetic plates. The bearing has a second portion separated from the ferromagnetic plates of the first portion by a pair of airgaps of variable thickness parallel to the centering axis. The permanently magnetized means are offset relative to the core in a direction substantially parallel to the pair of airgaps and the ferromagnetic plates are provided with notches facing the permanently magnetized means and oriented transversely to the pair of airgaps.

REFERENCES:
patent: 3694041 (1972-09-01), Studer
patent: 4634191 (1987-01-01), Studer
patent: 4918345 (1990-04-01), Vaillant De Guelis et al.
patent: 5625240 (1997-04-01), Bernus

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