Patent ID: 8679409
Filing Date: 2014-03-25
Classification: B03C

Abstract:
1. A filter device, comprising: a housing, wherein the housing has an air inlet and a filtered air outlet, the housing has a center line extending through ends of the housing; a high voltage electric field region provided between two ends of the housing, wherein the direction of the electric field being perpendicular to the direction along which the air is introduced into the housing, wherein the high volume electric field region is formed by a plurality of electrode plates arranged symmetrically with respect to the center line; an ionization source provided in the electric field region to ionize the ionizable pollutants present in the air introduced from the air inlet to form the resultant ionized pollutants which will move towards both ends of the housing under the influence of the electric field; and a discharging device for discharging the ionized pollutants that have moved to the ends of the housing out of the filter device, the discharging device comprises a pair of fans provided in the vicinity of the two ends of the housing, respectively, and discharging channels provided at the outer side of said pair of the fans; wherein the pair of fans is provided in the high voltage electric field region; the electrode plates further comprise two end electrode plates adjacent to the discharging channels, each fan is disposed in a position between the ionization source and the end electrode plates which is in the vicinity of the end electrode plate.