金融界2025年5月3日消息，国家知识产权局信息显示，3M创新有限公司申请一项名为“流体喷嘴和流体系统”的专利，公开号CN119907716A，申请日期为2023年9月。
专利摘要显示，本公开涉及一种流体喷嘴，该流体喷嘴包括主体，该主体在每一端处具有出口和入口，该出口和该入口通过流体通路连接。该出口具有大于最大入口宽度的最大宽度，并且设置在纵向轴线的第一端处。该主体在流动方向上从该第二端到该第一端向外渐缩。这种渐缩由从该第二端延伸到该第一端的一对相反的侧壁形成。该侧壁中的每个侧壁包括多个第一壁部分和相对于相邻壁部分倾斜的多个第二壁部分。该第二壁部分在该流动方向上相对于该纵向轴线向外延伸并且相对于该纵向轴线以倾斜角倾斜。
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