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MAGNETICALLY SUSPENDED PUMP

  • US 20130330219A1
  • Filed: 05/17/2013
  • Published: 12/12/2013
  • Est. Priority Date: 05/17/2012
  • Status: Abandoned Application
First Claim
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1. A blood pump comprising:

  • a housing having an axis;

    first and second stator permanent magnets fixed relative to the housing at axially-spaced locations;

    a rotor having an axis disposed within the pump housing including a first rotor permanent magnet associated with and magnetically interacting with the first stator permanent magnet and a second rotor permanent magnet associated with and magnetically interacting with the second stator permanent magnet, so that the interacting magnets urge the rotor into an alignment coaxial with the housing,wherein the first stator permanent magnet exerts a first axial force on the first rotor permanent magnet in a first axial direction and the second stator permanent magnet exerts a second axial force on the second rotor permanent magnet in a second axial direction opposite to the first axial direction.

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