Air filter

Details Air filter Air filter

1990-09-14

1991-08-06

Hart, Charles

Gas separation

Means within gas stream for conducting concentrate to collector

55486, 55485, 55487, 55528, 55DIG31, B01D 4600, B03C 302

Patent

active

050374559

ABSTRACT:
An air filter assembly includes three layers of alternating layers of woven polypropylene and polyurethane sandwiched together in a removable plastic frame. The polypropylene layers are woven in a honeycomb pattern. Each successive layer acquires an opposite electrostatic charge. The air filter assembly mechanically and electrostatically filters dust from air.

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