Radial and torsionally controlled magnetic bearing

Details Radial and torsionally controlled magnetic bearing Radial and torsionally controlled magnetic bearing

1985-11-21

1987-01-06

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

F16C 3906

Patent

active

046341919

ABSTRACT:
A magnetic bearing including a circular stator member having a plurality of circumferential pole faces and a suspended annular ring member with corresponding number of inward facing circumferential pole faces separated by respective air gaps. A source of DC magnetic flux circulates flux between the circumferential pole faces of the stator and the ring to provide axial stability along a central longitudinal axis. Flux coil means are included on the stator member for providing variable flux density along predetermined radial paths to provide active radial stabilization. Additionally, flux coil means are included on the stator to actively modulate the magnitude of the magnetic forces as well as their direction of differential flux control involving the DC magnetic flux to produce torquing moments about a pair of mutually orthogonal axes which are perpendicular to the central axis.

REFERENCES:
patent: 3694041 (1972-09-01), Studer
patent: 3845995 (1974-11-01), Wehde
patent: 3976339 (1976-08-01), Sabnis
patent: 4000929 (1977-01-01), Studer
patent: 4483570 (1984-11-01), Inoue

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