SOUND ABSORBING STRUCTURE

摘要

PROBLEM TO BE SOLVED: To prevent degradation in sound absorbing performance. SOLUTION: A perforated plate 6 is pinched by a plurality of first ribs 2b provided in parallel on a side facing a second frame 3 of a first frame 2, and a plurality of second ribs 3b provided in parallel on a side facing the first frame 2 of the second frame 3. COPYRIGHT: (C)2010,JPO&INPIT