equation 4 result by means of the permanent magnets being split in two each of the two permanent magnets 33 and 34 has a second skew angle u03b1 sch2 which has been calculated in accordance with equation 2 the exemplary embodiment shown in fig7 contains a magnet pole 35 with an in principle comparable design instead of the permanent magnets 33 and 34 in the form of parallelograms in this exemplary embodiment two arrow shaped permanent magnets 36 and 37 are provided which are in turn arranged such that they are offset with respect to one another through the first staggering angle u03b1 st1 as can be seen in fig7 the second skew angle u03b1 sch2 is determined by the projection of the arrow tip at the front end or by the depth of the notch at the rear end of the permanent magnets 36 and 37 in principle an arrow like skew such as is provided in the case of the permanent magnet 36 or 37 can also be used in the case of the slots 5 in the stator 2 on the basis of the exemplary embodiment in fig4 or fig6 a further exemplary embodiment can be specified with a magnet pole 38 which contains a permanent magnet 39 having a double skew said permanent magnet 39 comprises three magnet subregions 40 41 and 42 in the form of parallelograms in each case a first skew angle u03b1 sch3 is.