Patent ID: 9375543
Filing Date: 2016-06-28
CPC Classification: A61M,F04D

Claim Text:
1. A noise attenuating system for use with ventilation or other systems providing a flow of gas comprising: an expansion chamber having a volume; an intake tube having an inlet and outlet port separated by a length, wherein a portion of the inlet port extends outside of the expansion chamber; a noise attenuator having a bottom and protruding sidewall forming a cavity, wherein the noise attenuator is positioned over the inlet portion of the intake tube such that a portion of the intake tube extends into the cavity portion of the noise attenuator; and a first acoustic deflector positioned near the outlet port of the intake tube, wherein a surface of the acoustic deflector facing the outlet port of the intake tube being positioned so as to form an acute angle between the surface of the acoustic deflector and a proximate sidewall of the expansion chamber from which the intake tube extends, wherein noise is deflected away from the outlet port of the intake tube.