Arrangement for damping sound with resonators

Details Arrangement for damping sound with resonators Arrangement for damping sound with resonators

1974-03-20

1976-10-05

Murtagh, John E.

Acoustics

Auditorium

52144, 52309, E04B 174, E04B 199

Patent

active

039839559

ABSTRACT:
An arrangement for silencing or damping sound by resonators having space elements with closed air chambers. The resonators have openings in the outside wall facing the air stream, and air in the chambers constitutes a spring. The air in the openings constitutes an element of mass. The combination is caused to oscillate by the sonic energy of the flowing air, thus forming a vibrating system which absorbs the sonic energy.

REFERENCES:
patent: 2007130 (1935-07-01), Munroe
patent: 2271892 (1942-02-01), Bourne
patent: 2959243 (1960-11-01), Smith
patent: 3087574 (1963-04-01), Watters
patent: 3353626 (1967-11-01), Cremer
patent: 3517468 (1970-06-01), Woods

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