A "bladeless" fan blows air from a ring with no blades. Its blades are safely hidden in its base. Fan blades send bursts of air while the bladeless fan sends a smooth breeze.
The air goes into the base. It is then sent up into a ring. It comes out a crack all around the ring and passes over a shape like that of an aircraft wing. The negative pressure formed sucks more air through the ring. The air coming out of the ring drags even more air from around the ring. There is sixteen times the airflow coming out of the ring as goes into the base.
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