Abstract: An electric motor device includes a rotor assembly inside a housing of the electric motor device, a stator assembly disposed adjacent the rotor assembly and inside the housing of the electric motor device, and a magnet wire assembly at least at the stator assembly inside the housing of the electric motor. The magnet wire assembly defines, at least in part, a cooling channel that extends through at least a portion of the stator assembly of the electric motor device, and the cooling channel is configured to receive therein a cooling fluid that directly contacts the magnet wire assembly to cool the rotor assembly.