dyson air

The bladeless fan, also called air mutiplier, is designed by dyson air technology.this fan is no blade.

where the wind come from?

The wind comes from the base of the bladeless fan.There is one engine installed at the round base of it.just like flight engine.when the engine works,the air wind come from the engine will come out for the o ring part of the bladeless fan.It is hard to understand ,please look at the picture