Abstract: A rotating electric machine includes a stator having a winding head at each axial end and including a rotor, which is rotatably mounted in an opening in the stator and which has a rotor shaft and a laminated rotor core. The electric machine includes a bearing unit for the rotatable mounting of the rotor shaft with respect to the laminated rotor core, a transmission unit, a coupling unit, which is designed to provide at least two coupling states for coupling the rotation of the rotor shaft to the laminated rotor core and, in at least one of the coupling states, to couple the rotor shaft to the laminated rotor core by means of the transmission unit.

Abstract: A rotor for an electric machine, includes a laminated core which has magnet pockets extending in an axial direction, a plurality of first permanent magnet arrangements and a plurality of second permanent magnet arrangements. Each magnet arrangement includes a plurality of magnet elements arranged in the axial direction. The magnet arrangements are arranged one in each magnet pocket. The magnet elements of second magnet arrangements extend in each case along an axial transition portion in which opposite free ends of a pair of adjacent magnet elements of the first magnet arrangements are arranged.

Abstract: A rotating electric machine includes a stator having a winding head at each axial end and including a rotor, which is rotatably mounted in an opening in the stator and which has a rotor shaft and a laminated rotor core. The electric machine includes a bearing unit for the rotatable mounting of the rotor shaft with respect to the laminated rotor core, a transmission unit, a coupling unit, which is designed to provide at least two coupling states for coupling the rotation of the rotor shaft to the laminated rotor core and, in at least one of the coupling states, to couple the rotor shaft to the laminated rotor core by means of the transmission unit.