Patent ID: 9204771
Filing Date: 2015-12-08
Classification: A47L,B04C

Abstract:
1. A surface treating appliance comprising: a first cyclonic separating unit including a plurality of first cyclones arranged in parallel about an axis; 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 the axis and a second set of second cyclones, wherein each of the first cyclones and the second cyclones has a longitudinal axis; and wherein the longitudinal axes of the first cyclones are arranged at a first angular orientation to said axis, the longitudinal axes of the first set of second cyclones are arranged at said first angular orientation to said axis, and the longitudinal axes of the second set of second cyclones are arranged at a second angular orientation, different from the first orientation, to said axis.