Patent ID: 8115347
Filing Date: 2012-02-14
Classification: H02K

Abstract:
1. A tooth module for an electrical machine having a movable part, the tooth module comprising: a plurality of individual pole teeth, each individual pole tooth having two halves and a pole tooth end surface, a plastic sheath constructed as a separate component for each individual pole tooth and at least partially surrounding each individual pole tooth in one-to-one correspondence, said plastic sheath configured to interlock the two halves of each individual pole tooth with a gap therebetween, wherein the gap has a predetermined gap spacing defined by the plastic sheath, said gap separating the two teeth halves from one another at least on the corresponding pole tooth end surfaces and forming a pocket which is open only on one side, a winding wound on the interlocked individual pole tooth, with the plastic sheath being interposed between the winding and the individual pole tooth, and a permanent magnet inserted in the formed pocket.