What are Helmholtz cavities? Helping Dyson engineers reduce the noise of bladeless fans
Channel: Dyson
Date: 2014-03-05

Power airflow. No blades. Discover the engineering behind our fans are now up to 75% quieter. 

Reducing the turbulence of high velocity air whilst retaining high performance is a challenge. Equipped with air multiplier technology our cooling fans have been developed and engineered to produce powerful airflow without blades and with less noise. 

Reengineered airflow paths, an aerodynamic diffuser and a Helmholtz cavity mean that our machines are now up to 75% quieter.¹ 

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¹Versus previous generation.