Noise reduction with resonatance chamber

Details Noise reduction with resonatance chamber Noise reduction with resonatance chamber

2007-07-30

2009-06-16

San Martin, Edgardo (Department: 2837)

Acoustics

Sound-modifying means

Muffler, fluid conducting type

C181S224000, C361S696000, C361S697000

Reexamination Certificate

active

07546898

ABSTRACT:
An apparatus comprises a housing comprising an air inlet, an air outlet and a divider that divides the housing into first and second air passages. The housing comprises a resonance chamber for each air passage. Each resonance chamber comprises a port, and air waves enter each such resonance chamber through such port and resonate.

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