Sound-attenuating discharge apparatus for a packaged terminal ai

Details Sound-attenuating discharge apparatus for a packaged terminal ai Sound-attenuating discharge apparatus for a packaged terminal ai

1988-04-29

1989-10-31

Fuller, B. R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181229, 181258, 181296, 98DIG10, E04F 1704

Patent

active

048771066

ABSTRACT:
A noise attenuating assembly for use in conjuction with an air conditioning unit having a sloped discharge opening is disclosed. The assembly includes a front wall and a pair of side walls forming a flow path for the conditioned air which is discharged to the space containing the unit. The assembly has a layer of sound attenuating material attached to the inside surface of the walls so that the assembly deflects and absorbs line-of-sight sound produced by the unit fan, thus reducing the noise level of the unit.

REFERENCES:
patent: 2704504 (1955-03-01), Wilkoning
patent: 4050364 (1977-09-01), Maus

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