Sound attenuating apparatus and method of forming the same

Details Sound attenuating apparatus and method of forming the same Sound attenuating apparatus and method of forming the same

1995-07-10

1997-10-21

Dang, Khanh

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181257, 181275, 181282, E04F 1704

Patent

active

056799314

ABSTRACT:
A sound attenuating apparatus and method for forming the same including stacking selectively sized sheets of sound attenuating materials and fastening the same to form elongated, perforated sound attenuating flow-through passages which are structurally connected by means of mechanical joinders outside the noise bearing fluid stream to be attenuated.

REFERENCES:
patent: 2489048 (1949-11-01), Rinehart
patent: 2994401 (1961-08-01), Bourne et al.
patent: 3019850 (1962-02-01), March
patent: 4127183 (1978-11-01), McLarty
patent: 4236597 (1980-12-01), Kiss et al.

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