Patent ID: 9685846
Date: 2017-06-20
CPC Classifications: H02K,Y10T

Claim:
1. Stator or rotor of an electric machine, comprising: a stator core or a rotor core comprising a main cylindrical body in which a circular array of slots are defined, each slot comprising at least a first and at least a second insertion position, radially aligned with respect to each other; at least one bar winding comprising a first plurality of basic conductors having two legs and a connection portion between said legs, said first plurality of basic conductors comprising at least a first set of conductors having legs offset from each other by a first pitch and a second set of conductors having legs offset from each other by a second pitch different from the first pitch, the bar winding also comprising a second plurality of special bar conductors for the completion of the winding having one or more legs, the legs of the conductors of the first and second plurality belonging to a first or a second circular array of legs based on the occupied insertion position; characterized in that the first and the second circular array comprise: a first arc of legs of the first set of conductors delimited by a respective initial and final leg of said conductors; a second arc complementary to said first arc in which legs of the second set of conductors, and legs of the special bar conductors, are inserted.