Patent ID: 6497754
Filing Date: 2002-12-24
Classification: B03C,Y10S

Abstract:
An air filtration system for placing in an air stream comprising:1) a pleated, air permeable filter medium of electrically insulative material having folded edges present along both an up-stream side and a down-stream side of said filter medium with respect to the direction of airflow to be passed therethrough; 2) exposed, conductive, fiber ends located at least along the up-stream side of said filter medium; 3) an ion-inducing conductive array positioned along the downstream side of the filter medium; and 4) coupling means for connecting a high voltage power supply between said fiber ends and conductive array to create an electric field between them, whereby said conductive fiber ends, when provided with an ionizing voltage potential, will emit ions that charge dust particles to increase the trapping efficiency of the air filtration system.