Gas separation: apparatus – Electric field separation apparatus – With programmed – cyclic – or time responsive control means
Reexamination Certificate
2006-07-19
2008-12-16
Chiesa, Richard L (Department: 1797)
Gas separation: apparatus
Electric field separation apparatus
With programmed, cyclic, or time responsive control means
C095S075000, C095S076000, C096S046000, C096S051000, C096S080000, C096S096000
Reexamination Certificate
active
07465338
ABSTRACT:
A window screen apparatus employing electrostatic principles to purify air. The window screen mesh wires encompass electrically-conductive filaments that are charged by a high-voltage DC pulse generator. Between and surrounding the wires an electric field is created that charges, traps, and repels airborne particulate. An alternative embodiment consists of a window screen in which the screen mesh wires are manufactured from permanently electrostatically charged fibers.
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