Self-cleaning air filter

Details Self-cleaning air filter Self-cleaning air filter

1983-06-28

1985-03-12

Prunner, Kathleen J.

Gas separation

Multiple separators, each with discrete and longitudinally...

Filters

55302, 55478, 55481, 55484, 55493, 55502, 55504, B01D 4602, B01D 4642, B01D 5000

Patent

active

045042934

ABSTRACT:
An improved self-cleaning air filter (2) of the pulse jet type. The filter includes at least one filter element (20) located in a dirty air plenum (6) which is separated from a clean air plenum (8). A valve (64) directs a cleaning jet of gas that moves in a back flow direction along the filter element to remove accumulated contaminants therefrom. A diffuser is located in the clean air plenum for diffusing the cleaning jet of gas to convert the cleaning jet to a high volume, low pressure jet which substantially fills the entire cross-sectional area of the filter element. The filter element is releasably contained inside the dirty air plenum on elongated support members (36). Rotatable cams (44) are provided for laterally shifting the filter element to lock the filter element in place against a dividing wall (10).

REFERENCES:
patent: 2853153 (1958-09-01), Sexton
patent: 3064818 (1962-11-01), Kasten
patent: 3204390 (1965-09-01), Heyl
patent: 3376696 (1968-04-01), Wells et al.
patent: 3423908 (1969-01-01), Hart
patent: 3593503 (1971-07-01), Andrews
patent: 4124361 (1978-11-01), Revell
patent: 4198221 (1980-04-01), Catlin et al.

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