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Insulated code stud for rotor and stator laminations

  • US 20040174086A1
  • Filed: 02/20/2004
  • Published: 09/09/2004
  • Est. Priority Date: 03/06/2003
  • Status: Active Grant
First Claim
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1. A dynamoelectric machine comprising a stator and a rotor, and at least one of the stator and rotor having a core structure comprising:

  • a plurality of magnetic laminations spaced axially along the core structure;

    a plurality of through holes passing axially through the laminations;

    an insulated core stud passing through each of the through holes, the insulated core stud comprising opposing ends, a central shaft portion, and a first layer of heat shrinkable tubular insulation shrunk fit onto and covering at least a portion of the central shaft portion of the core stud that passes through the laminations; and

    , nuts secured to the opposing ends of the insulated core studs whereby the nuts and core studs provide axial tightness of the core structure.

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