The Secret Life Of Machines

The vacuum cleaner

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The vacuum cleaner film was made before Dyson’s cleaners were introduced. These use an old industrial idea of sucking the air and dirt through spiral vanes. This spins the dirt and flings it to the outside of the chamber. Dyson’s version has several stages of vanes and needs no dust bag. Unfortunately the finest particles still get through so filter pads are needed over the outlet. These reduce the suction power of the machines, so I’m not sure they are any real improvement, despite the hype. There is also more awareness of the link between asthma and house dust, so all manufacturers have put more effort into the outlet filters.

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