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Stator wedge for an electric machine

  • US 8,421,297 B2
  • Filed: 07/01/2009
  • Issued: 04/16/2013
  • Est. Priority Date: 07/28/2008
  • Status: Active Grant
First Claim
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1. An electric machine comprising:

  • a stator core comprising;

    a central opening and a plurality of teeth facing inwardly toward the central opening; and

    slots defined between pairs of adjacent teeth;

    a rotor extending through the central opening;

    a gap between the stator core and the rotor;

    coils extending through the slots; and

    wedges disposed in the slots, each wedge including;

    a first part abutting at least one of the coils;

    a second part;

    a shim between the first part and the second part; and

    wherein the wedge has a C-shaped cross-section having an open end open towards the central opening.

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