Patent ID: 6464754
Filing Date: 2002-10-15
Classification: B03C,H01T

Abstract:
An air purification system, comprising:a set of modules arranged for emitting overlapping flow patterns of ions; each of said modules comprising a self-cleaning ionizer, said self-cleaning ionizers each comprising ion-emitting needles having tips for emitting only negatively charged ions to ionize airborne particulates of dust and noxious gases; curved ribs providing a needle guard operatively associated with said ion-emitting needles for substantially preventing the tips of said ion-emitting needles from puncturing a human finger, poultry or animals; a circuit for cyclically applying a negative potential charge to said ion-emitting needles; at least one radial arm having a needle-engaging cleaner extending therefrom for engaging and cleaning the tips of said ion-emitting needles; and a motor connected to said circuit and said radial arm for intermittently rotating said radial arm so that said needle-engaging cleaner engages and periodically cleans the tips of said ion-emitting needles.