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Vacuum cleaner having dirt collection vessel with toroidal cyclone

  • US 7,887,613 B2
  • Filed: 02/10/2009
  • Issued: 02/15/2011
  • Est. Priority Date: 02/10/2009
  • Status: Expired due to Fees
First Claim
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1. A vacuum cleaner, comprising:

  • a body including (a) a nozzle assembly having a suction inlet and (b) a control assembly including a control stalk;

    a dirt collection vessel carried on said body, anda suction generator carried on said body, said suction generator drawing an airstream through said suction inlet, and said dirt collection vessel;

    said dirt collection vessel being characterized by;

    a toroidal cyclone having an inlet port, a clean air outlet port and a particle outlet provided in said toroidal cyclone between said inlet port and said outlet port; and

    a cork screw baffle received in said toroidal cyclone, said cork screw baffle defining a spiraling air path through said toroidal cyclone.

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