金融界2024年12月28日消息，国家知识产权局信息显示，松下电子部品（江门）有限公司取得一项名为“一种降噪外壳及其电容器”的专利，授权公告号 CN 222213954 U，申请日期为 2023 年 12 月。
专利摘要显示，本实用新型公开了一种降噪外壳及其电容器，包括主体、降噪部和定位部；主体内设有空腔，降噪部分布在空腔的外侧；降噪部包括降噪腔和连接块，降噪腔位于主体和空腔之间，连接块位于相邻的降噪腔之间；定位部包括支撑柱和用于走线的引线槽，支撑柱位于空腔的底部。通过设置降噪部和定位部电容器元件能精准地通过定位部安装在空腔内，降噪部能有效地吸收空腔内部电容器元件发出的噪音，保证电容器的运行稳定性；通过设置降噪腔和连接块，降噪腔能均匀地吸收电容器元件运行过程中发出的噪音，连接块能稳定地支撑降噪腔，提高降噪部的结构稳定性。
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