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Advanced hybrid particulate collector and method of operation

United States Patent

August 17, 1999
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
A device and method for controlling particulate air pollutants of the present invention combines filtration and electrostatic collection devices. The invention includes a chamber housing a plurality of rows of filter elements. Between each row of filter elements is a grounded plate. Between the grounded plates and the filter elements are electrode grids for creating electrostatic precipitation zones between each row of filter elements. In this way, when the filter elements are cleaned by pulsing air in a reverse direction, the dust removed from the bags will collect in the electrostatic precipitation zones rather than on adjacent filter elements.
Miller; Stanley J. (Grand Forks, ND)
Energy & Environmental Research Center Foundation (Grand Forks, ND)
08/ 918,496
August 22, 1997
The invention was developed with government support under U.S. Department of Energy Contract No. DE-AC22-95PC95258.