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Stator lamination design having a tapered opening

  • US 5,644,181 A
  • Filed: 01/05/1995
  • Issued: 07/01/1997
  • Est. Priority Date: 01/05/1995
  • Status: Expired due to Fees
First Claim
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1. A stator lamination comprising:

  • substantially flat plate means made of a conductive material, said plate having a plurality of notches formed therein; and

    each of said notches including an inner wall and two opposing side walls, such that an outer portion of said side walls intersect a periphery of said plate means to form an outwardly tapering opening,further comprising a cutout in said side walls, said cutout being shaped and positioned in oppposing relation to receive a retaining slat therebetween, andsaid side walls adjacent to said cutouts having tapered edges leading to and away from said cutouts, whereby insertion of windings into said notches and removal of windings from said notches is facilitated and damage to insulation on said windings is minimized.

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