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Kinetic wheel arrangement incorporating magnetic bearings, particularly intended to serve as energy accumulator

  • US 4,589,707 A
  • Filed: 01/29/1985
  • Issued: 05/20/1986
  • Est. Priority Date: 08/19/1982
  • Status: Expired due to Fees
First Claim
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1. A kinetic wheel arrangement, comprising:

  • a stator,a rotor,magnetic bearings formed by cooperating annular parts respectively connected to the stator and to the rotor to magnetically suspend the rotor with respect to the stator,mechanical bearings to enable the stator to support the rotor when the latter is not suspended magnetically,an inertia flywheel constituting a part of the rotor, anda magnetic system having at least one electrically conductive disc connected to the stator and disposed between two magnetized rings connected to the rotor, said electrically conductive disc having in two opposite quadrants magnetic inlays, said magnetic inlays are connected to one another by wide magnetic zones disposed in the other two opposite quadrants, whereby said magnetic system imparts a radial rigidity of the rotor with respect to the stator in first one predetermined radial direction a value different from that presented by said radial rigidity in other radial directions such that a radial dissymmetry of rigidity is introduced and vibrations capable of appearing along said first predetermined radial direction and another radial direction are uncoupled.

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