A particle acoustic damper for locally damping vibrations of a vehicle panel and reducing noise radiated by the vehicle panel, the particle acoustic damper comprising a bag sealed to provide a housing and loose particles forming a filling inside the housing, characterized in that the bag comprises at least one layer of a spunbond web.
一种用于局部阻尼交通工具面板的振动并减少由交通工具面板辐射的噪声的颗粒声学阻尼器,该颗粒声学阻尼器包括密封以提供外壳的袋和在外壳内部形成填充物的松散颗粒,其特征在于,所述袋包括至少一层纺粘纤维网。
Particle acoustic damper bag
颗粒声学阻尼器袋
2024-07-26
Patent
Electronic Resource
Chinese