Patent ID: 9044125
Filing Date: 2015-06-02
Classification: A47L,B04C

Abstract:
1. A surface treating appliance comprising: a first cyclonic separating unit including at least one first cyclone; and a second cyclonic separating unit located downstream from the first cyclonic separating unit and including a plurality of second cyclones arranged in parallel; the plurality of second cyclones being divided into at least a first set of second cyclones arranged about an axis, a second set of second cyclones arranged about the axis, and a third set of second cyclones, the first set of second cyclones extending about the second set of second cyclones, and the second set of second cyclones extending about the third set of second cyclones; each second cyclone having a longitudinal axis; the longitudinal axes of the first set of second cyclones being arranged at a first angle to said axis, the longitudinal axes of the second set of second cyclones being arranged at a second angle to said axis, and the longitudinal axes of the third set of second cyclones being arranged at a third angle to said axis, wherein the first angle is different from the second angle, and the second angle is different from the third angle.