Patent ID: 6469407
Filing Date: 2002-10-22
Classification: H02K

Abstract:
An electrical device comprising a stator laminated core, said stator laminated core comprisinga plurality of first sheet metal laminations stacked to form a first core part, said first sheet metal laminations each having a plurality of first apertures, said first apertures being aligned to form a like plurality of axial passages through said first core part, a plurality of second sheet metal laminations stacked to form a second core part, said second sheet metal laminations each having a plurality of second apertures, said second apertures being aligned to form a like plurality of axial recesses in said second core part, said second core part axially abutting said first core part so that each said recess is aligned with a respective said passage, an axial cooling duct in each said passage, and at least one return element comprising a pair of radially extending legs connected to a respective pair of said cooling ducts, and a peripherally extending central section connecting said legs, each said leg being axially contained within a respective said recess, said central section being situated radially with respect to said stator laminated core.