I am baffled how this motor works...It has a single axial winding that turns a disk. The disk is not a strong magnet but somehow this motor has torque enough to swing a floor fan. I see on the internet that this type of motor is also used for microwave ovens to turn the tray..
The flux is flowing axiallly through the disk but the disk is not conductive so I don't think eddy currents are producing the torque. Somehow the flux is being redirected I guess but how can that be???
From the image you can see the disk is sitting in the center of the many turn winding(covered by the white plastic). There are tabs that come up from the bottom of the motor plate that are used to hold the winding in place. Is it possible that these act as induced stator poles???