Vacuum cleaner

Abstract

A vacuum cleaner is described comprises a suction motor for moving an airflow from an air inlet to an air outlet and a dirt separator (200, fig 8) for separating dirt from the airflow. The dirt separator includes a filter assembly 405 and a regenerative drive assembly 450 for agitating the filter assembly to dislodge dirt from the filter assembly. The filter assembly comprises a filter 410 shaped as a hollow semi-elliptical or U-shaped tube. (Figure 36)