Patent ID: 6300704
Filing Date: 2001-10-09
Classification: H02K,Y10T

Abstract:
A rotor for an electric motor, comprising a rotor shaft, a rotor winding (13) on said rotor shaft, said rotor winding including winding wires (14), connecting wires (20) and at least one additional wire (22) each of which are surrounded by a lacquer which is cured by baking and contained in a rotor body (4) supported on the rotor shaft in a rotationally fixed manner, a commutator that has axially aligned commutator lamellas that are disposed spaced parallel to one another in a circumferential direction with an insulation gap therebetween and have connection lugs secured to one end of each of the lamellas for the attachment of said connecting wires (20) of the rotor winding, said at least one additional wire (22) being wound around the connecting wires (20) and forming an additional winding, in a region between the commutator (7) and the rotor body (4), and at least in a region of the additional winding (22) the rotor winding is heated so that the lacquer which is cured by baking is baked on said additional winding.