会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 8. 发明申请
    • PASSIVE SHUTDOWN SEALING DEVICE FOR A SYSTEM OF SHAFT SEALS OF A REACTOR COOLANT PUMP SET
    • 用于反应器冷却泵组的轴封系统的被动关闭密封装置
    • US20150108721A1
    • 2015-04-23
    • US14376101
    • 2013-01-31
    • AREVA NP
    • Romain Thuillier
    • F16J15/18F16J15/54F16J15/28
    • F16J15/188F04D7/08F04D29/146F16J15/008F16J15/164F16J15/28F16J15/3404F16J15/54
    • The present invention relates to a passive shutdown sealing device (20) for a reactor coolant pump unit comprising: a split sealing ring (23) having an inactivated position in which a leakage flow is permitted and an activated position in which said ring stops said leakage flow; at least one piston (22) designed to position said split sealing ring (23) in its activated position; locking/unlocking means (25) designed to lock said at least one piston (22) in its inactivated position when the temperature of said locking/unlocking means is below a temperature threshold and to release said at least one piston (22) when the temperature of said locking/unlocking means is above said temperature threshold; elastic means (24) designed to move said at least one piston (22) when said piston is released, so as to position said sealing ring (23) in its activated position.
    • 技术领域本发明涉及一种用于反应堆冷却剂泵单元的被动关闭密封装置(20),包括:分离密封环(23),其具有允许泄漏流的非活动位置和所述环停止所述泄漏的启动位置 流; 至少一个活塞(22)被设计成将所述分离密封环(23)定位在其启动位置; 当所述锁定/解锁装置的温度低于温度阈值时,所述锁定/解锁装置被设计成将所述至少一个活塞(22)锁定在其非活动位置,并且当所述至少一个活塞(22)的温度 所述锁定/解锁装置的所述温度阈值高于所述温度阈值; 弹性装置(24),其设计成当所述活塞被释放时移动所述至少一个活塞(22),以便将所述密封环(23)定位在其启动位置。