Self-cleaning upside-down air filter

Details Self-cleaning upside-down air filter Self-cleaning upside-down air filter

1993-02-11

1994-06-21

Spitzer, Robert

Gas separation

With nonliquid cleaning means for separating media

With automatic control of cleaning means

55288, 55293, 55304, 55378, B01D 2917, B01D 2970

Patent

active

053225341

ABSTRACT:
A self-cleaning air filter is formed by placing a flexible filter bag in an upside-down position with its open end firmly supported. Air to be cleaned is pulled upwardly through the bag. When the air stream is shut off, the bag collapses, discharging accumulated particulate material into the space beneath it.

REFERENCES:
patent: 1458720 (1923-06-01), Malone
patent: 1761377 (1930-06-01), Waring
patent: 2069703 (1937-02-01), Fisker
patent: 2266976 (1941-12-01), Leathers
patent: 2295984 (1942-09-01), Wilson
patent: 2951553 (1960-09-01), Kirby
patent: 3320725 (1967-05-01), Foster
patent: 3771664 (1973-11-01), Schrink et al.
patent: 3853517 (1974-12-01), Mitchell

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