| 摘要 |
A ferromagnetic core (16) of a stator sub-assembly (14) comprises a compound including a polymer matrix composition and a functional filler, including ferromagnetic material, magnetic material or a combination thereof. Additionally, said ferromagnetic core (16) comprises at least one cooling fluid channel (18) extending through the ferromagnetic core (16). Moreover, a stator of a permanent magnet electric rotary machine comprising a stator frame, having openings to receive a cooling fluid flow, and stator sub-assemblies (14). Said permanent magnet machine comprises a stator and a rotor connected to a rotational shaft, wherein the rotor is provided with permanent magnets. The permanent magnets face the ferromagnetic cores (16) of stator sub-assemblies (14). The rotor comprises ventilation means for generating a cooling fluid flow through said cooling fluid channels (18) of said ferromagnetic cores (16), when the machine is in operation. |
