BigPatents India

The invention proposes a stator (10) for a rotary electrical machine comprising an annular cylindrical packet of metal sheets (14), a series of axial notches (en) produced in the internal annular face (15) of the packet of metal sheets (14) and which define housings for a coil (12), of the type in which the coil (12) comprises several windings (ECx, ECy, ECz), each of which consists of several loops (18) of a conductor (11), and which are arranged in notches (en) associated with the winding (12), of the type in which the top end (22s) of each axial branch (22) is connected to a top transverse branch (24s) and the bottom end (22i) of each axial branch (22) is connected to a bottom transverse branch (24i), characterised in that at least one winding (ECx, ECy, ECz) is of the distributed undulated type, and in that at least one winding (ECx, ECy, ECz) is of the simple undulated type. No. of Pages : 23 No. of Claims : 10