Sound absorbing and insulating structures by tailoring sound velocities, and method of designing the sound absorbing and insulating structures
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United States of America Patent
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Apr 14, 2020
Grant Date -
Feb 22, 2018
app pub date -
Jun 8, 2017
filing date -
Aug 22, 2016
priority date (Note) -
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Abstract
Provided are a sound absorbing and insulating structure is configured to be placed in a sound wave propagation path to reduce noises, and a method of designing the sound absorbing and insulating structure. The sound absorbing and insulating structure includes: a back panel arranged along a sound wave propagation path and having a flat-plate shape; a plurality of rigid partitions spaced apart from the back panel and arranged at intervals in parallel with each other so as to form resonant spaces; and a fixation frame fixing the rigid partitions to the back panel.
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