Laminar damper

Details Laminar damper Laminar damper

1995-05-09

1998-02-17

Dang, Khanh

Acoustics

Sound-modifying means

Sound absorbing panels

181200, E04B 182

Patent

active

057193592

ABSTRACT:
A damper for acoustic waves propagating in particular in a gaseous medium comprises a plurality of vibrational bodies including a plurality of laminas mounted substantially parallel and adjacent to one another. The plurality of laminas are mounted in a housing to form a free space between the upper and/or lower sides of the housing. The laminas vibrate within the free space to dissipate the energy from the acoustic waves.

REFERENCES:
patent: 2534137 (1950-12-01), Lewis
patent: 2989136 (1961-06-01), Wohlberg
patent: 4821841 (1989-04-01), Woodward et al.
patent: 4842097 (1989-06-01), Woodward et al.
patent: 5512715 (1996-04-01), Takewa et al.

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