Patent ID: 9488382
Filing Date: 2016-11-08
CPC Classification: B03C,F24F

Claim Text:
1. An air filter, comprising: a housing having an inlet, an outlet, and a cavity therebetween; and an electrode assembly between the inlet and the outlet, wherein the electrode assembly includes a plurality of first electrodes wherein said first electrodes include an internal conductive portion and one or more collecting structures disposed on said internal conductive portion, and wherein said one or more collecting structures include an open cell structure having a high electrical resistivity and having an outer surface generally parallel with an airflow through the cavity; one or more second electrodes arranged in columns within said electrode assembly alternating with said first electrodes, wherein said first electrodes have a first electrical potential and said second electrodes have a second electrical potential different from said first electrical potential; and a first corona electrode disposed within said cavity at least proximate said inlet.