Acoustic absorber having a slotted horn arranged in a pot

Details Acoustic absorber having a slotted horn arranged in a pot Acoustic absorber having a slotted horn arranged in a pot

1996-04-22

1998-06-02

Lee, Eddie C.

Acoustics

Sound-modifying means

Sound absorbing panels

181288, 181293, E04B 182

Patent

active

057603499

ABSTRACT:
An acoustic absorber is made of a pot-shaped lower part with a pot bottom and side wall as well as an upper part having a horn. The horn projects into the bottom part and tapers in the direction of the pot bottom. Undesired noise is effectively reduced by the absorber. A relatively broadband, and at a given size, a relatively low-frequency absorption effect is achieved that is capable of protecting human hearing from injury or reducing the impact of noise such as on technical equipment and components.

REFERENCES:
patent: 1783276 (1930-12-01), Bliss
patent: 3174580 (1965-03-01), Schulz et al.
patent: 3831710 (1974-08-01), Wirt
patent: 3887031 (1975-06-01), Wirt
patent: 4035535 (1977-07-01), Taylor
patent: 5185504 (1993-02-01), Jen

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