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公开(公告)号：US20150243381A1
公开(公告)日：2015-08-27
申请号：US14427245
申请日：2013-08-09
申请人： AREVA GMBH
IPC分类号： G21C13/067
CPC分类号： G21C13/0675 , G21C7/12 , G21C13/067 , Y02E30/31 , Y02E30/39
摘要： The invention relates to a device for closing a pipe opening, opening upwards, of a drive casing pipe accommodating the control rod drive of a boiling water reactor, said device comprising a closure plug with a plug housing, opening downwards, a sealing element guided axially so as to be movable within the plug housing, which element has a sealing face providing a sealing contact with an annular counter face defining the pipe opening, a locking element provided to fix the plug housing on the drive casing pipe, and a spring, which is supported by the upper end thereof on the plug housing and by the lower end thereof on the sealing element and holds said element in a lower end position.
摘要翻译： 本发明涉及一种用于关闭容纳沸水反应堆的控制棒驱动器的驱动套管的向上打开的管开口的装置，所述装置包括具有插头壳体的封闭塞，向下开口，沿轴向引导的密封元件 以便能够在插头壳体内移动，该元件具有密封面，该密封面与限定管开口的环形对置面形成密封接触，设置成将插头壳体固定在驱动套管上的锁定元件和弹簧， 由其上端支撑在插头壳体上，并且其下端支撑在密封元件上，并将所述元件保持在下端位置。
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公开(公告)号：US09922735B2
公开(公告)日：2018-03-20
申请号：US14427245
申请日：2013-08-09
申请人： AREVA GmbH
IPC分类号： G21C13/067 , G21C7/12
CPC分类号： G21C13/0675 , G21C7/12 , G21C13/067 , Y02E30/31 , Y02E30/39
摘要： The invention relates to a device for closing a pipe opening, opening upwards, of a drive casing pipe accommodating the control rod drive of a boiling water reactor, said device comprising a closure plug with a plug housing, opening downwards, a sealing element guided axially so as to be movable within the plug housing, which element has a sealing face providing a sealing contact with an annular counter face defining the pipe opening, a locking element provided to fix the plug housing on the drive casing pipe, and a spring, which is supported by the upper end thereof on the plug housing and by the lower end thereof on the sealing element and holds said element in a lower end position.
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