Patent ID: 8291545
Filing Date: 2012-10-23
Classification: A47L

Abstract:
1. A vacuum cleaner including a housing, a nozzle base having a main suction opening, said housing being pivotally mounted on said nozzle base, an airstream suction source mounted to one of said housing and said nozzle base for selectively establishing and maintaining a suction airstream from said nozzle main suction opening to an exhaust outlet of said suction source, an air manifold, and a dirt cup selectively mounted to said housing, said dirt cup comprising: a first centrifugal chamber having a first longitudinal axis, said first centrifugal chamber including a first cyclone assembly for removing at least some contaminants from the airstream; a first perforated tube extending in said first cyclonic chamber, said first perforated tube including a closed lower end and an open upper end in fluid communication with said air manifold; a skirt extending away from said closed lower end of said perforated tube; and a laminar flow member extending away from said closed lower end of said perforated tube, wherein at least a portion of said laminar flow member is encircled by said skirt.