POLE PIECE FOR AN ELECTRIC MACHINE

摘要

A pole piece (1, 11) for an electric machine, in particular for a rotor for a wind turbine, comprising a non-magnetic cover (2) accomodating at least one magnet (4) and a thin base plate (6) closing an aperture of the cover (2), whereby at least two edges of the cover (2) and the thin base plate (6) are connected by a folded and/or rolled joint.