Method and apparatus for filtering conditioned air and separatin

Details Method and apparatus for filtering conditioned air and separatin Method and apparatus for filtering conditioned air and separatin

1988-11-22

1990-04-17

Hart, Charles

Gas separation

Means within gas stream for conducting concentrate to collector

55 97, 55304, 55372, 55378, 55429, 55432, 55473, 55510, B01D 4604

Patent

active

049177125

ABSTRACT:
A compact pneumatic air filter system for filtering conditioned air laden with dust and reusable debris is disclosed, which has an initial filter stage for collecting reusable debris from air and separately storing it for reuse, and a secondary filter system for collecting remaining dust from air for disposal and re-releasing conditioned air to a work environment. The system utilizes alternating positive and negative air pressures to move debris and dirt to appropriate storage spaces within the system, and to move filtered air back into the work environment by migration through filter walls, thereby retaining the conditioned property of the filtered air.

REFERENCES:
patent: 3485671 (1969-12-01), Stephens
patent: 4541846 (1985-09-01), Sjodin
patent: 4705467 (1987-11-01), Bakker
patent: 4735639 (1988-04-01), Johnstone
patent: 4759781 (1988-07-01), Olson
patent: 4764191 (1988-08-01), Morelli

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