Wall covering for absorbing sound waves in a liquid medium

Details Wall covering for absorbing sound waves in a liquid medium Wall covering for absorbing sound waves in a liquid medium

1988-05-18

1989-04-04

Fuller, B. R.

Acoustics

Sound-modifying means

Sound absorbing panels

181286, 181290, 181294, 181224, E04B 182

Patent

active

048177571

ABSTRACT:
The covering is immersed in water (2). A viscoelastic substance (4) is disposed in ducts formed by rigid auxiliary walls (5) fixed to the base wall (1). The ends of these ducts (6) contain air. The invention is applicable, in particular, to providing protection against under-sea noise.

REFERENCES:
patent: 2840179 (1958-06-01), Junger
patent: 2960175 (1960-11-01), McMillan
patent: 3985198 (1976-10-01), Kurtze et al.
patent: 4560028 (1985-12-01), Perret

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