Adjustable air filtering device

Details Adjustable air filtering device Adjustable air filtering device

1993-03-18

1994-11-15

Chiesa, Richard L.

Gas separation: apparatus

Electric field separation apparatus

And serially arranged nonelectrical separator

55496, 96 68, 96 80, B03C 314

Patent

active

053644581

ABSTRACT:
An adjustable filter uses an eight member frame construction to provide a wide range of filter sizes. A panel for encasing one or more layers of filtering materials within the frame is formed from a grid having a border which unevenly encompasses the crossbars of the panel in order to allow various sizes of panels to be formed without producing exposed barbs and without increasing the air resistance of the filter. An embodiment using an electric field is disclosed to enhance the filtering properties of the filter.

REFERENCES:
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patent: 2981367 (1961-04-01), Sprouse
patent: 3280984 (1966-10-01), Sexton et al.
patent: 3675402 (1972-07-01), Weed
patent: 3735560 (1973-05-01), Wellman
patent: 3763633 (1973-10-01), Soltis
patent: 4549887 (1985-10-01), Joannou
patent: 5059218 (1991-10-01), Pick
patent: 5087276 (1992-02-01), Snyder
"The Web" and `The Air Medic` Frame Assembly Instruction Brochure, Rolox, Kansas City, Mo., 64101, No date, pp. 1-3.

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