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Floor care apparatus with multiple agitator speeds and constant suction power

  • US 20050160556A1
  • Filed: 01/23/2004
  • Published: 07/28/2005
  • Est. Priority Date: 01/23/2004
  • Status: Active Grant
First Claim
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1. A floor care apparatus, comprising:

  • a nozzle assembly;

    an agitator in said nozzle assembly;

    a motor coupled to said agitator for driving said agitator at two or more speeds;

    a switch with at least two positions for a user to indicate a mode-of-operation preference; and

    an agitator motor control circuit responsive to said switch and coupled to supply at least two signals to said motor, one of said two signals having a fixed duty cycle of less than 1.0, the other of said two signals being substantially constant.

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