Fluid damped acoustic enclosure system

Details Fluid damped acoustic enclosure system Fluid damped acoustic enclosure system

1993-03-02

1994-01-25

Gellner, Michael L.

Acoustics

Diaphragm and enclosure

With sound-absorbing means

181156, H05K 500

Patent

active

052817776

ABSTRACT:
A fluid damped acoustic enclosure system for a loudspeaker is provided. An enclosure defines first and second chambers separated by a common wall in which the loudspeaker is sealably mounted. The first chamber is airtight and the second chamber has a port in a wall thereof communicating with the exterior of the enclosure. A flexible bladder is filled with a fluid and maintained in the first chamber a given distance from the loudspeaker. The bladder receives acoustic pressure waves generated by the loudspeaker. The bladder is further mechanically coupled to a portion of at least one wall of the first chamber that communicates with the exterior of the enclosure.

REFERENCES:
patent: 4004094 (1977-01-01), Ott
patent: 4101736 (1978-07-01), Czerwinski
patent: 4356882 (1982-11-01), Allen
patent: 4944019 (1990-07-01), Watanabe
patent: 5073937 (1991-12-01), Almasy

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