Patent ID: 6779976
Filing Date: 2004-08-24
Classification: F04D

Abstract:
A method for removing pollutants from the air, comprising:(a) providing a fan having a fan blade having a surface; (b) providing a plurality of sheets each sheet having a first side and an opposite second side, a tacky substance disposed on said first side of each said sheet, said plurality of sheets arranged in stacked multi-layer relationship wherein said second side of a said sheet rests upon said first side of a next lower sheet, and said plurality of sheets including a top sheet and a bottom sheet; (c) attaching said second side of said bottom sheet to said surface of said fan blade so that said first side of said tot sheet is exposed to the air; (d) causing said fan blade to rotate through the air; (e) observing when said first side of said top sheet becomes contaminated with pollutants; and, (f) removing said top sheet to expose an uncontaminated next lower sheet.