Sound-attenuator

Details Sound-attenuator Sound-attenuator

1994-05-25

1996-05-28

Dang, Khanh

Acoustics

Sound-modifying means

Space absorbers

E04B 182

Patent

active

055213413

ABSTRACT:
An airborne-sound-absorbing shaped component is disclosed. The element comprises at least two chambers that are arranged adjacent to one another in the direction of the vibrations that are to be introduced into the system. These chambers help delimit a shared cavity that is hermetically sealed with respect to the environment which also operates as a pneumatic spring. Each of the chambers is delimited by a delimiting wall made of a polymer material, the delimiting walls being configured integrally and continuously with one another and joined to one another in a transition region, in a manner allowing relative movement by at least one spring element that is resilient in the direction of the introduced vibrations.

REFERENCES:
patent: 2796636 (1957-06-01), Heerwagen
patent: 4149612 (1979-04-01), Bschorr
patent: 4228869 (1980-10-01), Bschorr
patent: 4393631 (1983-07-01), Krent
patent: 4425981 (1984-01-01), Kiesewetter et al.

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