How do blade-less fans work?



  1. 0 Votes

    The bladeless fan, invented by James Dyson in 2009, is a unique device that generates airflow with no visible moving parts. Its name is a bit misleading: there are blades, but they’re inside the machine. It’s basically a hollow ring on a short pedestal. The secret is a brushless electric motor in the pedestal which draws air in and along the ring, until the air re-enters the device through a small slit. Through a physical process called inducement, the air being pushed by the motor “induces” the air behind it to follow. This is what Dyson calls “multiplying” the breeze. Although the physics are complicated, the device is pretty ingenious, and has been the subject of quite a bit of buzz since its introduction.

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