Rotary Anode Arrangement and X-Ray Tube

摘要

The embodiments relate to a rotary anode arrangement with a rotary anode, a rotor for driving the rotary anode and a stator, which exerts a torque on the rotor. The stator includes at least one coil for generating a first magnetic field and at least one permanent magnet for generating a second magnetic field. The embodiments also relate to an X-ray tube with the rotary anode arrangement. The embodiments offer the advantage that a high electromagnetic utilization is possible with a synchronous motor that is excited by permanent magnets.

主权项

1. A rotary anode arrangement comprising:
a rotary anode; a stator comprising a stator housing, which exerts a torque on the rotor; a plurality of coils arranged in the stator for generating a first magnetic field; a plurality of permanent magnets arranged in the stator for generating a second magnetic field; and a rotor arranged within the stator for driving the rotary anode; wherein the coils and the permanent magnets are arranged along a circumference of the stator housing, wherein one permanent magnet of the plurality of permanent magnets is arranged within each coil of the plurality of coils, wherein the rotor is configured for a magnetic return path and is free of magnetic sources, and wherein the rotor has a toothed structure in a direction of rotation of the rotor.