A filter assembly including a housing which is used to receive a filter medium and is closed by a lid or cover in a sealed manner. The method includes receiving, in response to the information, an edit of the information forwarded from the device. The stator is built of a stator stack with a number of adjacently disposed metal plates and the stator further includes a number of stator windings which are at least partially wound around the metal plates with a certain distance to each other.