The same test shows a Dyson doesn’t lose any suction. Why?
The test was conducted independently according to the IEC standard 60312 clause 2.9, continuing until the dust container was full.
The bag is meant to trap dust and dirt, and allow air to escape through tiny holes. But when you start to use a bagged machine, dust and dirt collects in the bag and clogs the holes. This restricts the airflow, which causes a loss of suction, reducing the efficiency of the vacuum and leaving dust and dirt behind in your home
Dyson’s patented Root Cyclone™ technology doesn’t rely on a bag. Instead, it spins the air so fast that centrifugal forces up to 150,000 times the force of gravity fling dust and dirt out of the air and straight into the clear bin™. Unlike other vacuum cleaners, Dyson machines don’t lose suction.
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In our latest machines, Dyson engineers have combined Root Cyclone™ technology with a core separator – an extra cyclonic stage between the outer and inner cyclones – to separate particles as small as 0.5 microns from the airflow. You could fit 200 of these particles on a full stop.
First, dust is drawn into a powerful cyclone. Centrifugal forces of 500 G fling larger dirt, debris, fibres and pet hairs into the clear bin.
The air passes through here, while fibres and pet hairs that have escaped the outer cyclone are sieved out and directed back into the bin.
Finally, a cluster of smaller, faster cyclones generate centrifugal forces of up to 150,000 G – extracting particles as small as mould and bacteria.
