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    • 1. 发明申请
    • DETACHABLE FUEL ASSEMBLY FOR A LIGHT WATER COOLED NUCLEAR REACTOR
    • 用于轻水冷却核反应堆的可拆卸燃料组件
    • WO1995018451A1
    • 1995-07-06
    • PCT/FR1994001548
    • 1994-12-28
    • FRAMATOMECOGEMALEROUX, Jean-ClaudeBURFIN, Pascal
    • FRAMATOMECOGEMA
    • G21C03/334
    • G21C3/334G21Y2002/302G21Y2002/40G21Y2002/601G21Y2004/301G21Y2004/50Y02E30/40
    • The fuel assembly includes quick-fixing means for fastening the guide tube (4') in an aperture (11') through the adapter plate (10') of a detachable endpiece (5') of said assembly. The quick-fixing means comprise at least two bearing abutment means (11'a) within the endpiece aperture (11'), a bearing sleeve (16) secured to the end of the guide tube (4') and a locking ring (18) with bearing abutment means (18d) provided on the bearing surfaces of the abutment means (11'a) within the endpiece opening (11') and conformable resilient portions (18b) insertable in the cavities of the aperture (11') of the adapter plate (10') or the bearing sleeve (16) so as to position the ring (18) in a locking or unlocking position of the guide tube (4'). Said sleeve (16) comprises a bearing flange (16f) provided on a bearing surface (10'a) of the adapter plate (10'), on the periphery of the aperture (11').
    • 燃料组件包括快速固定装置,用于将引导管(4')紧固在孔(11')中,穿过所述组件的可拆卸端部(5')的适配器板(10')。 所述快速固定装置包括在所述端盖孔(11')内的至少两个轴承抵接装置(11'a),固定到所述导管(4')端部的轴承套(16)和锁定环 ),其具有设置在所述端件开口(11')内的所述抵接装置(11'a)的支承表面上的轴承抵接装置(18d)和可插入到所述端部开口(11')的所述孔(11')的空腔中的适形弹性部分 适配器板(10')或轴承套筒(16),以将环(18)定位在导管(4')的锁定或解锁位置。 所述套筒(16)包括在所述孔(11')的周边上设置在所述适配器板(10')的支承表面(10'a)上的轴承凸缘(16f)。