The Pc Cyclone produces the separation of the powders due to inertial forces effect; moreover, it forces the airflow to dedust at an helical motion, on itself, inside of a room in development tapered downward.
The air moved by a fan enters down from above where it is forced to a circular motion between two concentric walls.
It therefore creates into the cyclone a swirling air motion.The solid particles of dust are pushed by centrifugal action against the inner walls of the cylinder body.