华大九天分三步收购EDA企业
华大九天分三步收购EDA企业海尔智家获专利，冰箱密封装置借助驱动机构自动泄压
11月6日，海尔智家（600690）的发明专利《用于密封的装置及使用该装置的冰箱》获授权，申请号为CN202011581500.0。
密封储存有助于保持容器关闭，但使用者取放食材时还要先解除密封。方案在本体内设置泄压通道，并让泄压阀、带螺纹连接的泄压轮和驱动机构协同工作，驱动部件带动机构动作，通过改变阀与轮之间的连接状态控制通道。设计关注的是打开容器之前的解除密封动作，让使用者拿取食材时少一道手动操作。
截至此次授权消息披露时，海尔智家今年获得的各类专利授权共3902项，比上年同期减少18.96%。在2026年上半年，公司研发投入为50.72亿元，同比减少12.41%。企业知识产权记录中，海尔智家股份有限公司名下可查到67521条专利信息和53条著作权信息。
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