What Is Air Multiplier Technology

When first created back in the late 19th Century, electrically powered mechanical fans were all the rage.

However, due to their basic design and physical components, accidents involving their fast rotating blades soon became common, with children and adults alike injuring themselves. Luckily, today we have inventor extraordinaire Sir James Dyson, who is branching out from the vacuum cleaner and delivering the next stage in fan technology with the Dyson Air Multiplier, a 100 per cent bladeless fan with awesome cooling capabilities.

The Air Multiplier draws in air at its base using a mixed flow impeller similar to those found in turbochargers and jet engines. It forces it into the loop amplifier where it is pushed through a 3 mm aperture and accelerated over a 16 degree airfoil-shaped ramp.

As the air passes over the ramp it speeds up and draws more air in from behind, in a phenomenon know as inducement. As the air continues to move forward it also entrains more air from the surroundings. This means that it amplifies the air 15 times, expelling 400 litres of cool, smooth and uninterrupted air every single second.

Air Multiplier TechnologyThe cone of air that is flowed outwards from the Air Multiplier is continuous, as it is not dictated by any rotating blades. This eliminates the buffeting effects users would traditionally receive if sitting too close to a fan or if it was on a high setting, being continuously pummeled by a series of air waves. Due to the nature of the airflow generation of the Air Multiplier, however, the cooling effects received are continuous and uninterrupted.

Design-wise the Air Multiplier (video) is created with ease of use and portability at the fore, something represented in its clean, minimalist styling. The unit’s upper body can be tilted forwards and backwards by 20 degrees – something aided by the motor being near the structure’s centre of gravity, allowing minimal force to be expended to operate – and the amplification loop can easily be detached from the base unit. Further, due to the unit’s lack of protective grille or complex blade structure, cleaning the Air Multiplier is easy and helps minimize the amount of dust and dirt projected around its surrounding environment and onto its users.

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