Sound suppression system

Details Sound suppression system Sound suppression system

1983-05-13

1985-04-30

Hix, L. T.

Acoustics

Sound-modifying means

Sound absorbing fence or screen

B64F 126

Patent

active

045138400

ABSTRACT:
A sound suppression system for use with air breathing machinery, (10, 12) includes a solid barrier (18) supported (28) above an earthen dike (26). Sound (16) from the machinery (10, 12) is reflected downward (116a) and absorbed. A slot (20), provided between the barrier (18) and the dike (26) allows a flow of fresh air (24) to pass under the barrier (18) to reach the machinery (10, 12). A swale (32) is also included to reflect sound upward (134) for dissipation in the upper atmosphere.

REFERENCES:
patent: 4146112 (1979-03-01), Usry
patent: 4274506 (1981-06-01), Blomgren et al.
Egan, Concepts in Architectural Acoustics, pp. 91 to 94.

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