Acoustic drain

Details Acoustic drain Acoustic drain

2004-12-15

2009-11-24

Donovan, Lincoln (Department: 2837)

Acoustics

Sound-modifying means

Muffler, fluid conducting type

C181S264000, C181S270000, C181S275000, C181S282000, C296S208000

Reexamination Certificate

active

07621373

ABSTRACT:
A baffle assembly for a hollow cavity is disclosed. The baffle assembly includes a labyrinth that defines a tortuous drain passageway. The baffle assembly includes a vertical portion that abuts an expandable material to reduce the transmission of noise and other vibrations.

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