金融界2024年12月28日消息，国家知识产权局信息显示，浙江佳明新能源装备有限公司取得一项名为“一种防止卡滞的电子膨胀阀”的专利，授权公告号CN 222210857 U，申请日期为2024年2月。
专利摘要显示，本实用新型公开了一种防止卡滞的电子膨胀阀，包括阀体以及安装在阀体内的阀杆与阀芯组件，阀体包括导管套总成以及连接在导管套总成下端的阀座，阀芯组件包括阀芯主体和阀芯弹簧，阀芯弹簧套设在阀杆上，阀芯组件还包括阀芯平垫，阀芯主体的顶部间隔开设有多个圆弧孔，每个圆弧孔内放置有滚珠，该滚珠部分伸出圆弧孔外，阀芯平垫套设在阀杆上、且其下侧与滚珠抵接，阀芯弹簧的上端与导管套总成抵接，其下端与阀芯平垫抵接；本申请当阀芯主体在旋转时，阀芯平垫能够保持滑动状态而不因为摩擦与阀芯一起旋转，该结构能够在没有非标滚珠轴承的情况下代替轴承使用有效改良产品的噪声问题，帮助产品更加流畅的运行，防止卡滞。
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