Fan silencer

Details Fan silencer Fan silencer

1975-06-20

1976-04-13

Tomsky, Stephen J.

Acoustics

Auditorium

181 35R, 181 42, 181 61, F01N 110, F01N 124

Patent

active

039498301

ABSTRACT:
A fan silencer having an external shell of annular cross section and a cylindrical central core mounted on a rigid frame. The external shell and the inner core each contain noise absorbing insulation, and have easily removable wall sections to allow fast and easy replacement of said insulation and cleaning of said wall sections.

REFERENCES:
patent: 2428040 (1947-09-01), Sauerbier
patent: 2940537 (1960-06-01), Smith et al.
patent: 2990906 (1961-07-01), Audette
patent: 3688865 (1972-09-01), Smith
patent: 3776365 (1973-12-01), Richards

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