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    • 1. 发明申请
    • TRANSPORTATION AND STORAGE CASK FOR SPENT NUCLEAR FUELS
    • 运输核燃料运输和储存
    • WO1995010837A1
    • 1995-04-20
    • PCT/US1994011413
    • 1994-10-07
    • VECTRA TECHNOLOGIES, INC.JONES, Kyle, B.LEHNERT, Robert, A.McINNES, Ian, D.QUINN, Robert, D.SISLEY, Steven, E.TEMUS, Charles, J.
    • VECTRA TECHNOLOGIES, INC.
    • G21F05/008
    • G21F5/008G21F5/08G21Y2002/206G21Y2004/10
    • The present invention provides a cask (10) for transport and short-term storage of spent nuclear fuel. The cask (10) includes a structural shell (14) defining a cavity (40) for receiving spent nuclear fuel. The shell is formed from an upper shell portion (16) formed of a first metal and a lower shell portion (18) formed from a second metal. The first metal utilized to form the upper shell portion has a higher load bearing strength than the second metal utilized to form the lower shell portion. A bearing surface is defined on the upper shell portion by trunnions (30) mounted within sleeves (32) secured to the upper shell portion. The trunnions (30) each define a bearing projection (160) that is engageable to enable hoisting of the cask, with the tensile and shear loads of hoisting the cask being transferred from the trunnions to the trunnion mounting sleeves, and thus to the upper shell portion of the structural shell. The cask further includes a bottom closure plate (20) secured to the bottom end of the shell, and a top closure plate releasably securable to the top end of the shell. A neutron radiation absorbing shield jacket (28) is formed about the exterior of the structural shell.
    • 本发明提供一种用于废核燃料运输和短期储存的桶(10)。 桶(10)包括限定用于接收乏核燃料的空腔(40)的结构壳体(14)。 壳体由由第二金属形成的第一金属和下壳体部分(18)形成的上壳体部分(16)形成。 用于形成上壳部分的第一金属具有比用于形成下壳部分的第二金属更高的承载强度。 轴承表面通过安装在固定到上壳体部分的套筒(32)内的耳轴(30)限定在上壳体部分上。 耳轴(30)每个限定一个可接合以便能够提升该桶的轴承突起(160),其中提升盒的拉伸和剪切负载从耳轴转移到耳轴安装套筒,并因此传递到上壳体 部分结构壳。 所述桶还包括固定到所述壳体的底端的底部封闭板(20)和可释放地固定到所述壳体顶端的顶部封闭板。 围绕结构壳体的外部形成中子辐射吸收屏蔽护套(28)。
    • 2. 发明申请
    • PIPE RESTRAINT
    • 管道限制
    • WO1996002770A1
    • 1996-02-01
    • PCT/US1995008758
    • 1995-07-12
    • VECTRA TECHNOLOGIES, INC.
    • VECTRA TECHNOLOGIES, INC.LOZIUK, Lawrence, A.BUCHOLTZ, Brian, C.CLINARD, Ralph, L., Jr.
    • F16F03/00
    • F16L3/16F16F7/14
    • A pipe restraint (20) permits thermal expansion of a piping system (10), while inhibiting movement of the piping system during dynamic events and providing vibration isolation. The pipe restraint includes first and second displacement members (22 and 24), which are interconnected by a restraining mechanism (32) for restraining displacement of the first and second displacement members relative to one another. The restraining mechanism includes first and second portions, which generally oppose one another relative to the central axis of the restraining mechanism. The restraining mechanism further includes third and fourth portions, which also generally oppose one another relative to the central axis of the restraining mechanism. The third and fourth members are offset circumferentially about the central axis from the first and second members. The first and second portions are connected to one of the displacement members, while the third and fourth portions are connected to the other displacement member. The first, second, third, and fourth portions of the restraining mechanism are interconnected by a helical coil of energy absorbing wire rope.
    • 管道限制器(20)允许管道系统(10)的热膨胀,同时在动态事件期间抑制管道系统的移动并提供隔振。 管道限制器包括第一和第二位移构件(22和24),其通过约束机构(32)互连,用于限制第一和第二位移构件相对于彼此的位移。 约束机构包括通常相对于约束机构的中心轴线彼此相对的第一和第二部分。 约束机构还包括第三和第四部分,它们也通常相对于约束机构的中心轴线彼此相对。 第三和第四构件相对于第一和第二构件围绕中心轴线周向偏移。 第一和第二部分连接到一个位移构件,而第三和第四部分连接到另一位移构件。 限制机构的第一,第二,第三和第四部分由能量吸收钢丝绳的螺旋线圈相互连接。
    • 4. 发明申请
    • CONTAINERS FOR TRANSPORTATION AND STORAGE OF SPENT NUCLEAR FUEL
    • 运输和储存燃料核燃料的集装箱
    • WO1995010838A1
    • 1995-04-20
    • PCT/US1994011457
    • 1994-10-07
    • VECTRA TECHNOLOGIES, INC.LEHNERT, Robert, A.QUINN, Robert, D.SISLEY, Steven, E.THOMAS, Brandon, D.
    • VECTRA TECHNOLOGIES, INC.
    • G21F05/008
    • G21F5/008G21Y2002/50G21Y2002/60G21Y2004/30G21Y2004/601
    • Disclosed is a transportation and storage assembly for transporting and storing nuclear fuel rod assemblies. The transportation and storage assembly includes a basket assembly (24) designed for failed nuclear fuel rod assemblies, or a basket assembly (122) designed for undamaged nuclear fuel rod assemblies. The basket assemblies (24, 122) are inserted into a canister (22). The canister (22) includes a shell (26) that receives and surrounds the basket assemblies (24, 122), and lids (28, 96) that enclose the shell (26). The basket assemblies (24, 122) include a plurality of apertured plates (36, 124) interconnected by structural members (42, 88) that maintain the plates (36, 124) in a spaced apart relationship, axially aligning the apertures (38, 126) in the plates (36, 124). In the basket assembly (24) for failed nuclear fuel rod assemblies, a container (44) is inserted into a row of axially aligned apertures (122), having a drain passage (104). In the basket assembly (122) for undamaged nuclear fuel rod assemblies, a plurality of guide sleeve assemblies (132) are formed from structural members (134, 138), and a layer (136) including a neutron poisoning material. The containers (44) and guide sleeve assemblies (132) are each for receiving a nuclear fuel rod assembly.
    • 公开了用于运输和储存核燃料棒组件的运输和存储组件。 运输和存储组件包括为失效的核燃料棒组件设计的篮组件(24)或为未损坏的核燃料棒组件设计的篮组件(122)。 筐组件(24,122)被插入到罐(22)中。 罐(22)包括容纳和包围篮组件(24,122)的壳体(26)和包围壳体(26)的盖子(28,96)。 篮子组件(24,122)包括多个通过结构构件(42,88)相互连接的多孔孔板36,所述结构构件将板(36,124)保持间隔开的关系,使孔(38, 126)放置在板(36,124)中。 在用于故障的核燃料棒组件的篮组件(24)中,容器(44)被插入到具有排水通道(104)的一排轴向对准的孔(122)中。 在用于未损坏的核燃料棒组件的篮组件(122)中,由结构构件(134,138)和包括中子中毒材料的层(136)形成多个导向套筒组件(132)。 容器(44)和导向套筒组件(132)各自用于容纳核燃料棒组件。