Patent ID: 9257890
Filing Date: 2016-02-09
CPC Classification: H02K

Claim Text:
1. A rotor for an electrical machine, comprising: a rotor body; a permanent magnet arranged on a circumference of the rotor body to thereby cover an area on the circumference of the rotor body, said area having at least one recess formed at least in one of the rotor body and a circumference-proximal side of the permanent magnet so as to define between the permanent magnet and the rotor body a contact area which is between 20% and 85% of a surface area of the circumference-proximal side of the permanent magnet, said recess configured as a slot which extends in parallel relationship to the circumference-proximal side of the permanent magnet; and a ferromagnetic bar removably insertable in the recess to allow removal of the permanent magnet.