Damping device for a magnetically supported rotor

Details Damping device for a magnetically supported rotor Damping device for a magnetically supported rotor

1998-03-25

1999-06-08

LaBalle, Clayton

Electrical generator or motor structure

Dynamoelectric

Rotary

310 51, H02K 709, H02K 524

Patent

active

059106956

ABSTRACT:
A damping device for a rotor supported by an arrangement of magnetic bearings including at least one radial bearing formed of a stator magnet and a rotor magnet, with the damping device, including an intermediate member fixedly connected with the rotor by the stator magnet of the at least one radial bearing, and connected with a stationary part in an axial direction by connecting elements including spherical recesses formed in the intermediate member and in the stationary part and balls located in opposite recesses of the intermediate member and the stationary part, with spherical recesses having a diameter larger than a diameter of the balls, and with the balls or surfaces of the recesses being formed of an elastically deformable material having a modulus of elasticity smaller than a modulus of elasticity of a metal.

REFERENCES:
patent: 5394044 (1995-02-01), Yamamura
patent: 5521448 (1996-05-01), Tecza et al.
patent: 5679992 (1997-10-01), Miyamoto et al.

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