Vacuum cleaner

Details Vacuum cleaner Vacuum cleaner

A - Human Necessities

47

L

A47L 9/16 (2006.01)

Patent

CA 2330801

A vacuum cleaner comprises a housing having a clean air outlet, a cleaning member having a dirty air inlet, an air flow path extending from the dirty air inlet to the clean air outlet, a primary filtration stage comprising at least one cyclone particle separator positioned in the air flow path downstream from the dirty air inlet, the air flow path including the primary filtration stage having an operational back pressure from 2 - to 12 kpa when the air flow path is not blocked, and a motor and fan assembly having an air flow rate sufficient to transport the dirt in an air stream to the primary filtration stage and to cause cyclonic separation in the cyclone particle separator of particulates suspended within the air stream over the normal operational range of back pressure of the vacuum cleaner when the air flow path is not blocked.

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