Noise-Reducing Air Inlet Grille for an Appliance
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United States of America Patent
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Issued Date -
Jan 16, 2014
app pub date -
Jul 11, 2013
filing date -
Jul 12, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An air inlet grille for an appliance onboard an aircraft includes a screen having an inside-facing surface and an outside-facing surface, a plurality of airflow openings formed within the screen between the inside-facing surface and the outside-facing surface, and a plurality of tubes disposed on the inside-facing surface of the screen where openings on one end of the plurality of tubes are aligned with the plurality of airflow openings. A length of the plurality of tubes is at least twice a diameter of the plurality of airflow openings with which the plurality of tubes is aligned.
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