Reuseable air filter system

Details Reuseable air filter system Reuseable air filter system

1983-06-02

1985-05-21

Lacey, David L.

Gas separation

Means within gas stream for conducting concentrate to collector

55131, 55485, 55489, 55501, 55DIG31, 55DIG39, B03C 330, B01D 4652

Patent

active

045184020

ABSTRACT:
A reusable air filter system for providing permanent, self-charging, electrostatic filter stages that are easily cleanable for re-use. The filter system may be used on air conditioners, furnaces, and grease hoods. A frame is circumscribed about the edges of a plurality of polypropylene filter elements. At least one stage of the filter is three dimensional in shape and folded over on itself to retain its filtering characteristics and to provide a dual biasing device for use with the filter stages upstream of the three dimensional filter. The folded three dimensional filter is not creased, thus providing an additional biasing element in the filter system.

REFERENCES:
patent: 2612966 (1952-10-01), Nicol
patent: 2804937 (1957-09-01), Poole
patent: 2809715 (1957-10-01), Lemkey
patent: 3237387 (1966-03-01), Haugen et al.
patent: 3563828 (1971-02-01), Marshall
patent: 4115082 (1978-09-01), Newell
patent: 4129430 (1978-12-01), Snow

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