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Rotor wedge with arms

  • US 9,653,958 B2
  • Filed: 01/16/2015
  • Issued: 05/16/2017
  • Est. Priority Date: 01/16/2015
  • Status: Active Grant
First Claim
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1. A wedge for use in a generator rotor comprising:

  • a wedge body extending for an axial length that is greater than an axial length of a first pole and a second pole of the generator rotor, the wedge body having a generally triangular cross-section and extending between a first end and a second end;

    a first side of the wedge body extending for the axial length between the first end and the second end of the wedge body;

    a second side of the wedge body extending for the axial length between the first end and the second end of the wedge body and having a generally flat surface;

    a third side of the wedge body extending for the axial length between the first end and the second end of the wedge body and having a generally flat surface;

    a first arm extending circumferentially away from the wedge body at an interface between the first side and the second side and extending axially along the wedge body; and

    a second arm extending circumferentially away from the wedge body at an interface between the first side and the third side and extending axially along the wedge body,wherein the first arm and the second arm extend continuously for an axial length that is less than the axial length of the wedge body with the axial length of the first arm corresponding to an axial length of the first pole of the generator rotor and the axial length of the second arm corresponds to an axial length of the second pole of the generator rotor.

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