Axial electromagnetic bearing

Details Axial electromagnetic bearing Axial electromagnetic bearing

F - Mech Eng,Light,Heat,Weapons

16

C

308/2

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

Patent

CA 1094621

ABSTRACT An axial electromagnetic bearing for supporting the end of a shaft rotating at high speed of the type comprising an armature in the form of a disc attached to the shaft and a fixed annular armature disposed facing the disc armature a short distance from the former so as to define a small axial air gap therebetween, the said fixed armature comprising excitation windings and a ferromagnetic core, the bearing being characterised in that radial grooves are provided in the peripheral portion of the disc and situated facing the annular fixed armature. The arrangement causes a reduction in the effect of Eddy currents without detracting from the mechanical strength of the bearing.

294749

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