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Laminated rotor machining enhancement

  • US 9,190,879 B2
  • Filed: 07/06/2011
  • Issued: 11/17/2015
  • Est. Priority Date: 07/06/2011
  • Status: Active Grant
First Claim
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1. A rotor comprising:

  • a lamination stack including a plurality of stacked laminations, wherein each lamination includes;

    a first face;

    a second, opposing face; and

    a circumferential surface;

    a plurality of radially extending slots arranged about a circumference of each of the plurality of laminations, each slot including a radially inward-facing surface configured to mate with a wedge, anda first chamfer on the radially inward-facing surface of each of the plurality of radially extending slots, wherein the first chamfer connects the radially inward-facing surface and the first face of the lamination;

    a stud member passing longitudinally through at least one hole in the lamination stack, a first end flange member on a first end of the lamination stack, and a second end flange member on a second end of the lamination stack;

    a first fastener affixed to a first axial end of the stud member;

    a second fastener affixed to a second axial end of the stud member;

    the first fastener and the second fastener providing a compression to the laminated stack; and

    a plurality of coils positioned within the plurality of slots.

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