Vortex air cleaner assembly with acoustic attenuator

Details Vortex air cleaner assembly with acoustic attenuator Vortex air cleaner assembly with acoustic attenuator

1975-04-23

1977-09-27

Lutter, Frank W.

Gas separation

With nonliquid cleaning means for separating media

Solid agent cleaning member movingly contacts apparatus

55347, 55414, 55450, 55457, 181210, B01D 4514

Patent

active

040509133

ABSTRACT:
A vortex air cleaner and acoustic attenuator assembly is provided having an array of vortex air cleaners which remove contaminant particles from influent air, and an array of spaced acoustic sheets defining passages therebetween for reception of clean effluent air from selected groups of adjacent vortex air cleaners in the array, the sheets being shaped and spaced to deflect such effluent air and sound pressure waves at least once from the acoustic surface of the sheets, thereby absorbing the maximum sound in the preferred frequency range of 8000 Hertz and reducing the imposed sound pressure level in which the vortex air cleaner assembly operates.

REFERENCES:
patent: 2112608 (1938-03-01), Schmidt
patent: 2552847 (1951-05-01), Farr et al.
patent: 3472001 (1969-10-01), McMakin
patent: 3520114 (1970-07-01), Pall et al.
patent: 3726359 (1973-04-01), Dierl et al.

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