Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent
1995-10-10
1997-09-02
Dang, Khanh
Acoustics
Sound-modifying means
Muffler, fluid conducting type
E04F 1704
Patent
active
056635362
ABSTRACT:
A sound attenuation assembly for In a forced-draft, liquid-to-air cooling apparatus, a sound attenuation assembly having at least two rows of elongate, generally cylindrical members arranged across the air inlet of the assembly to provide a blockage to the line of sight to the air flow through the sound attenuation assembly, to provide a multiple barrier effect of frontal impact on a sound front travelling through the assembly, and to provide the elongate members of sound absorbing material, which members provide improved sound attenuation associated with the force-draft apparatus while reducing back pressure losses in the air flow.
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Looseleaf Product Page 1B043 (4d/07-26/94) from MAP of Easton, Inc.--"Multipurpose Absorbers".
Amsted Industries Incorporated
Brosius Edward J.
Dang Khanh
Gregorczyk F. S.
Manich Stephen J.
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