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In 1978, James Dyson noticed how the air filter in the Ballbarrow spray-finishing room was constantly clogging with powder particles (just like a vacuum cleaner bag clogs with dust). So he designed and built an industrial cyclone tower, which removed the powder particles by exerting centrifugal forces greater than 100,000 times those of gravity. Could the same principle work in a vacuum cleaner? James Dyson set to work. 5 years and 5,127 prototypes later, the world's first bagless vacuum cleaner from Dyson arrived.

Using income from the Japanese licence, James Dyson decided to manufacture a new model under his own name in Britain. In June 1993 he opened his research centre and factory in Wiltshire, not far from his home, and developed a machine that collected even finer particles of dust (microscopic particles as small as cigarette smoke). The result was the DCO1, the first in a range of cleaners to give constant suction.

Dyson scientists were determined to create vacuum cleaners with even higher suction. So they set to work developing an entirely new type of cyclone system. They discovered that a smaller diameter cyclone gives greater centrifugal force. So they developed a way of getting 45% more suction than a Dual Cyclone and removing more dust, by dividing the air into 8 smaller cyclones, hence the name Root 8Cyclone™