Improvements in vacuum cleaners

Details Improvements in vacuum cleaners Improvements in vacuum cleaners

A - Human Necessities

47

L

A47L 9/12 (2006.01) A47L 5/24 (2006.01)

Patent

CA 2313953

A dual filter arrangement for a vacuum cleaner for filtering particles of dust and debris from an airflow passing through the vacuum cleaner, comprising a coarse pre-filter having an array of pores formed therein of substantially uniform diameter and a fine primary filter which is located rearwardly of the pre-filter in the direction of flow of the airflow.

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