Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1991-11-14
1993-08-03
Chiesa, Richard L.
Gas separation
Means within gas stream for conducting concentrate to collector
55126, 55139, 55356, 55422, B03C 368
Patent
active
052324788
ABSTRACT:
An electronic air filter includes a rectangular metal frame supporting a layered assembly composed of a metal grid interposed between a pair of sheets of nonconductive filter media, and a pair of metal grills located on opposite sides of the filter media to support the filter media sheets and grid. The frame and layered assembly form a collector cell, which has a waterproof high voltage power supply unit mounted therein and electrically connected to the grid and grills so as to form an electrostatic filter. The power supply unit is electrically connected to an electrical jack on the frame, with a power pack located remote of the collector cell and connected to the jack to provide low voltage electrical current to the power supply unit. The collector cell has dimensions corresponding to the dimensions of a conventional disposable filter, for direct substitution therewith. A plurality of strips of dense polyester felt material are connected between the grid and the grills to shunt electrical current to the grills when one or more of the strips are saturated with water, and to electrically insulate the grid from the grills when the strips are dry. A second frame and filter is pivotally connected to the first frame to form a foldable filter.
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Brochure--Honeywell Electronic Air Cleaners "Switch to a Better Environment", Feb. 20, 1990.
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