×

Vacuum cleaner having an ion generator

  • US 7,174,593 B2
  • Filed: 12/26/2002
  • Issued: 02/13/2007
  • Est. Priority Date: 12/27/2001
  • Status: Expired due to Fees
First Claim
Patent Images

1. A vacuum cleaner comprising:

  • an electric blower for generating a suction air flow;

    a suction head in communication with the electric blower for drawing in dirt;

    a rotary brush having a plurality of bristle clusters; and

    an ion generator for generating negative ions and/or positive ions by coming into frictional contact with the bristle clusters of the rotary brush,wherein the ions generated from the ion generator are discharged and attracted to dirt particles so that the dirt particles are charged with the ions and drawn by opposite polarity of the bristle clusters.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×