HEATING, VENTILATING, AIR CONDITIONING, AND REFRIGERATION NOISE REDUCTION SYSTEM
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United States of America Patent
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N/A
Issued Date -
May 3, 2012
app pub date -
Nov 1, 2011
filing date -
Nov 3, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Embodiments of a noise reduction system for use in heating, ventilating, air conditioning, and refrigeration (HVACR) systems are provided. The noise reduction system may include a barrier to be placed over an air inlet of an HVACR base unit. The barrier, consisting of two rows of equally spaced structures, may permit the passage of air therethrough while preventing the escape of noise from the base unit. The noise reduction system may also include one or more resonance chambers placed atop the base unit and a structure placed adjacent the base unit. Noise coming from the base unit may be redirected by the structure toward the resonance chambers, which are configured to attenuate the noise.
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