Rotor for permanent magnet excited electrical machine in inner armature design has magnet element which is held on its position exclusively by attachment on retaining surfaces of sheet metal packet

摘要

Rotor has magnet element (18) which is held on its position exclusively by attachment on retaining surfaces (22) of sheet metal packet, whereby mutual connection of magnet elements and sheet metal packets (12) is performed self locking. Recess has two opposite retaining surfaces attached to each other radially outwards in circumferential direction.