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Dyson Air Multiplier™

Air Multiplier™ technology

Using an airfoil-shaped ramp (like a cross-section through an airplane wing), airflow is amplified 15 times. This creates a smooth, powerful airflow, with no need for fast-spinning blades.

See how the Dyson Air Multiplier™ fan works

Blades cause buffeting

The blades on conventional fans cause unpleasant buffeting because they chop the air before it hits you.

Conventional fan showing bair buffeting

No blades. No buffeting.

Air Multiplier™ technology amplifies surrounding air, giving an uninterrupted stream of smooth air.

Air Multiplier showing no buffeting

How the Dyson Air Multiplier™ fan works

Air Flow Diagram

1 Up to 27 litres of air per second is drawn in by an energy-efficient, brushless motor. A combination of the technologies used in turbochargers and jet engines generates powerful airflow. 2 Airflow is accelerated though an annular aperture. It passes over a 16° airfoil-shaped ramp, which channels its direction. 3 Air behind the Dyson Air Multiplier™ fan is drawn into the airflow, through a process known as inducement. 4 Air around the machine is also drawn into the airflow, through a process known as entrainment, amplifying it 15 times.

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Dyson Air Multiplier™