Air filtration system using point ionization sources

Details Air filtration system using point ionization sources Air filtration system using point ionization sources

2006-11-28

2006-11-28

Chiesa, Richard L. (Department: 1724)

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

C096S063000, C096S077000, C096S097000

Reexamination Certificate

active

07141098

ABSTRACT:
A filtration system for filtering particulates from air. A plurality of point ionization sources are positioned in the proximity of the periphery of an air flow channel and being oriented to generate ions in the proximity of the air flow channel in a direction generally upstream from each respective one of the plurality of point ionization sources. A particulate collection surface is positioned within the air flow channel in a downstream direction from the plurality of point ionization sources. The particulate collection surface is electrostatically charged in an opposite direction with respect to ground than the electrical charge of the ions. An ion trap is positioned within the air flow channel between the plurality of ionization sources and the particulate collection surface. The ion trap is relatively electrically neutral as compared with the particulate collection surface and the ions.

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