Ferrari N.V.
Stator of an electric machine provided with fluid cooling

Abstract:

Stator of an electric machine, wherein the stator has: a magnetic core provided with a plurality of slots; a winding provided with a plurality of bars, each of which has a straight portion inserted inside a respective slot of the magnetic core and two curved sections that are part of two corresponding heads of the winding; and a cooling circuit that is designed to be flown through by a cooling fluid. The cooling circuit has: a plurality of main channels, which are formed inside the magnetic core beside, and radially more on the outside than the slots containing the bars; and a pair of end bodies, each of which is arranged around a corresponding head of the winding and contains a series of joining channels, which are connected to the ends of the main channels.