Patent ID: 7101422
Filing Date: 2006-09-05
Classification: B03C,Y10S

Abstract:
1. An electrostatic precipitator having at least one discharge electrode for charging particulates within a gas stream, at least one collector for attracting said charged particulates within said gas stream, a high voltage power source operatively and selectively able to apply a high voltage potential of a first polarity between said at least one discharge electrode and said at least one collector, and a rapper for intermittently agitating said at least one collector, wherein the improvement comprises: a second high voltage power source operatively and selectively able to apply a high voltage potential of a second polarity opposite to said first polarity between said at least one discharge electrode and said at least one collector, and a switch that in a first state operatively completes an electrical circuit to apply said high voltage potential from said first high voltage power source between said at least one discharge electrode and said at least one collector while maintaining said second high voltage power source isolated therefrom, and in a second state operatively completes an electrical circuit to apply said high voltage potential from said second high voltage power source between said at least one discharge electrode and said at least one collector while maintaining said first high voltage power source isolated therefrom, and a means for placing said switch in said second state simultaneous with activating said rapper.