Rotor for permanently excited electric machine e.g. electric drive motor of motor vehicle has magnets held in grooves of rotor by press fit whereby recess adjacent to the groove is arranged in the area around grooves

摘要

The rotor (1) has magnets (3), which are held in the grooves (2) of the rotor by means of press fit. A recess adjacent to the groove is arranged in the area around the grooves. The recess is separated from the adjacent groove by a web, having the material same as that of the rotor.