Active radial magnetic bearing with solid rotor for damping...

Details Active radial magnetic bearing with solid rotor for damping... Active radial magnetic bearing with solid rotor for damping...

F - Mech Eng,Light,Heat,Weapons

16

C

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F16C 32/04 (2006.01) F16C 39/06 (2006.01)

Patent

CA 1249321

IN THE CANADIAN PATENT AND TRADEMARK OFFICE PATENT APPLICATION entitled : Active radial magnetic bearing with solid rotor for damping critical frequencies. Helmut HABERMANN Inventors: Maurice BRUNET Alain GERBIER Applicant : SOCIETE EUROPEENNE DE PROPULSION Abstract of the Disclosure Active radial magnetic bearing with solid rotor comprising a stator composed of an armature and electromagnetic coils, a rotor fast with a rotary shaft and placed opposite the stator, detectors for detecting the radial position of the rotor with respect to the stator, and servo-control circuits for adjusting the current going through the electromagnetic coils according to the value of the signals delivered by said position detectors. The electromagnetic coils are so designed as to create a rotating sinusoidal magnetic field with radial flux, the electromagnetic coils compris- ing a plurality of windings distributed over the peri- phery of the stator and supplied in succession one after another from the servo-control circuits. This type of bearing helps going through critical frequencies.

476970

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