Patent ID: 6281614
Filing Date: 2001-08-28
Classification: H02K

Abstract:
Multiple phase electric machine with at least one soft magnetic body with grooves,said grooves having a length, a width, and a depth, and said grooves interrupting a groove surface of said soft magnetic body,within said grooves being arranged a part of a layered winding, and other parts of said layered winding being arranged outside said soft magnetic body in winding overhangs,said layered winding consisting of conductor lanes of different phases,said conductor lanes in said grooves possessing groove layers with surfaces that are approximately parallel to said groove surface of said soft magnetic body,distance between said surfaces of said conductor lanes, which are parallel to the grooved surface, corresponding to a height of said conductor lanes in direction of said groove death,sections of said conductor lanes of different phases that are arranged in said grooves and that possess the same distance to said groove surface of said soft magnetic body comprising together a multiple phase conductor layer,said conductor lanes of different phases within said multiple phase conductor layer are overlapping in said winding overhangs by being aligned concurrently in direction of said groove length and in direction of said groove width,and a change-over in comparison to the groove layers, between winding overhang layers stacked in said winding overhangs occurring in each pass of said conductor lanes through said winding overhangs, whereineach said conductor lane within said winding overhangs is arranged in winding overhand layers with surfaces parallel to the groove surface and said winding overhang layers are offset in relation to the said groove layers by a fraction (=value smaller than 1) of said height of said conductor lanes in direction of said groove depth.