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    • 1. 发明授权
    • Shipping container for a nuclear fuel assembly
    • 用于核燃料组件的运输集装箱
    • US5481117A
    • 1996-01-02
    • US299697
    • 1994-09-01
    • Charles B. GilmoreNick W. Hille
    • Charles B. GilmoreNick W. Hille
    • G21F5/008G21C19/00
    • G21F5/008G21Y2002/303G21Y2002/304G21Y2004/30G21Y2004/301
    • A shipping container is provided for a hexagonal nuclear fuel assembly including a top nozzle having a top end, an outer barrel, an external shoulder, and an inner barrel; a plurality of grids which support fuel rods; and a bottom nozzle having an internal shoulder within a recess, a spherical taper, and a bottom end. The container may include a housing, a support for the fuel assembly, a top nozzle holder secured to the support, plural grid supports secured to the support, plural clamping frames for clamping the grids, plural guide plates for guiding the fuel assembly between adjacent grid supports, and a bottom nozzle holder secured to the support. The top nozzle holder may include a shoulder holder for holding the external shoulder, an end holder for enclosing and holding the top end, and a shoulder clamp for clamping the shoulder holder to the support. The shoulder holder may include a resilient split ring for positioning around the inner barrel and a resilient split support for encasing the resilient split ring. The grid supports may each include two wedges for supporting two sides of the grid, a base plate for fixedly supporting the two wedges thereto, a bearing pad fixedly mounted to the support for slidably supporting the base plate, and shoulder screws for limiting a sliding motion of the base plate on the bearing pad. The guide plates may have a guide side and two surfaces for guiding the two sides of the grids.
    • 提供一种用于六边形核燃料组件的运输容器,其包括具有顶端,外筒,外肩和内筒的顶喷嘴; 支撑燃料棒的多个格栅; 以及底部喷嘴,其具有在凹部内的内肩部,球形锥形部和底端部。 容器可以包括壳体,用于燃料组件的支撑件,固定到支撑件的顶部喷嘴保持架,固定到支撑件的多个格栅支撑件,用于夹紧格栅的多个夹紧框架,用于在相邻格栅之间引导燃料组件的多个引导板 支撑件和固定到支撑件的底部喷嘴支架。 顶部喷嘴保持器可以包括用于保持外部肩部的肩部保持器,用于封闭和保持顶端的端部保持器,以及用于将肩部夹持器固定到支撑件的肩部夹具。 肩部保持器可以包括用于围绕内筒定位的弹性裂口环和用于包围弹性分裂环的弹性分裂支撑。 格栅支撑件可以各自包括用于支撑格栅两侧的两个楔块,用于固定地支撑两个楔块的基板,固定地安装到支撑件上以可滑动地支撑基板的轴承瓦块和用于限制滑动运动的台肩螺钉 的基板在轴瓦上。 引导板可以具有引导侧和用于引导网格两侧的两个表面。
    • 4. 发明授权
    • Top nozzle-mounted replacement guide pin assemblies
    • US5207980A
    • 1993-05-04
    • US782183
    • 1991-10-27
    • Charles B. GilmoreWalter H. Andrews
    • Charles B. GilmoreWalter H. Andrews
    • G21C3/12
    • G21C3/12Y02E30/40
    • A replacement guide pin assembly is provided for aligning a nuclear fuel assembly with an upper core plate of a nuclear reactor core. One embodiment of the guide pin assembly includes an elongated guide pin body, a ferrule, and a lock screw. The guide pin body has a lower expandable base insertable within a hole in the top nozzle, and capable of expanding radially outwardly relative to a longitudinal axis of the guide pin body to provide an interference fit with the top nozzle. The ferrule is insertable within the top nozzle hole, interfitted with the guide pin body, and capable of imparting a radially and outwardly directed force on its lower expandable base to expand it within the hole of the top nozzle and thereby secure the guide pin body to the top nozzle in response to a predetermined displacement of the ferrule relative to the guide pin body along its longitudinal axis. The lock screw is insertable within the top nozzle hole, interfitted with the ferrule and threaded into the guide pin body so as to produce the predetermined displacement of the ferrule. Another embodiment of the guide pin assembly includes a guide pin body, an expandable insert body, and a ferrule. The guide pin body has a lower attachment base insertable within the top nozzle hole. The expandable body is insertable within the top nozzle hole, interfitted about the lower attachment base of the guide pin body, and capable of expanding radially outwardly relative to a longitudinal axis of the guide pin body to provide an interference fit with the top nozzle. The ferrule is insertable within the hole in the top nozzle, interfitted with the expandable body, and threaded with the lower attachment base of the guide pin body to produce a predetermined displacement of the ferrule relative to the guide pin body along its longitudinal axis sufficient to impart a radially and outwardly directed force on the expandable body to produce expanding thereof within the hole of the top nozzle into the interference fit with the top nozzle and thereby secure the guide pin body to the top nozzle.
    • 7. 发明授权
    • Core shroud corner joints
    • 核心护角角接头
    • US08532245B2
    • 2013-09-10
    • US12634836
    • 2009-12-10
    • Charles B. GilmoreDavid R. Forsyth
    • Charles B. GilmoreDavid R. Forsyth
    • G21C5/08G21C15/02G21C5/00G21C15/00
    • G21C21/00G21C3/322G21C5/08G21C13/02Y02E30/38
    • A core shroud is provided, which includes a number of planar members, a number of unitary corners, and a number of subassemblies each comprising a combination of the planar members and the unitary corners. Each unitary corner comprises a unitary extrusion including a first planar portion and a second planar portion disposed perpendicularly with respect to the first planar portion. At least one of the subassemblies comprises a plurality of the unitary corners disposed side-by-side in an alternating opposing relationship. A plurality of the subassemblies can be combined to form a quarter perimeter segment of the core shroud. Four quarter perimeter segments join together to form the core shroud.
    • 提供了一种芯护罩,其包括多个平面构件,多个单一角部以及各自包括平面构件和单个角部的组合的多个子组件。 每个单一角落包括一个单一的挤压件,包括第一平面部分和相对于第一平面部分垂直设置的第二平面部分。 子组件中的至少一个包括以交替相对的关系并排布置的多个整体角。 多个子组件可以组合以形成芯套管的四分之一周边段。 四个四分之一周边段连接在一起形成核心护罩。
    • 8. 发明授权
    • Shipping container for a nuclear fuel assembly
    • US5515405A
    • 1996-05-07
    • US407442
    • 1995-03-20
    • Charles B. GilmoreNick W. Hille
    • Charles B. GilmoreNick W. Hille
    • G21F5/008G21C19/06
    • G21F5/008G21Y2002/303G21Y2002/304G21Y2004/30G21Y2004/301
    • A shipping container is provided for a hexagonal nuclear fuel assembly including a top nozzle having a top end, an outer barrel, an external shoulder, and an inner barrel; a plurality of grids which support fuel rods; and a bottom nozzle having an internal shoulder within a recess, a spherical taper, and a bottom end. The container may include a housing, a support for the fuel assembly, a top nozzle holder secured to the support, plural grid supports secured to the support, plural clamping frames for clamping the grids, plural guide plates for guiding the fuel assembly between adjacent grid supports, and a bottom nozzle holder secured to the support. The top nozzle holder may include a shoulder holder for holding the external shoulder, an end holder for enclosing and holding the top end, and a shoulder clamp for clamping the shoulder holder to the support. The shoulder holder may include a resilient split ring for positioning around the inner barrel and a resilient split support for encasing the resilient split ring. The grid supports may each include two wedges for supporting two sides of the grid, a base plate for fixedly supporting the two wedges thereto, a bearing pad fixedly mounted to the support for slidably supporting the base plate, and shoulder screws for limiting a sliding motion of the base plate on the bearing pad. The guide plates may have a guide side and two surfaces for guiding the two sides of the grids. The guide plates may further have an absorbing side having a coating of gadolinium oxide. The bottom nozzle holder may include a recess holder for holding the internal shoulder. The recess holder may include a wedge mechanism for wedging against the bottom nozzle within the recess and a moving mechanism for moving the wedge mechanism within the recess. The recess holder may also include plural grippers for gripping the internal shoulder and a cam mechanism for moving the grippers.
    • 9. 发明申请
    • CORE SHROUD CORNER JOINTS
    • US20100150298A1
    • 2010-06-17
    • US12634836
    • 2009-12-10
    • Charles B. GilmoreDavid R. Forsyth
    • Charles B. GilmoreDavid R. Forsyth
    • G21C5/00
    • G21C21/00G21C3/322G21C5/08G21C13/02Y02E30/38
    • A core shroud is provided, which includes a number of planar members, a number of unitary corners, and a number of subassemblies each comprising a combination of the planar members and the unitary corners. Each unitary corner comprises a unitary extrusion including a first planar portion and a second planar portion disposed perpendicularly with respect to the first planar portion. At least one of the subassemblies comprises a plurality of the unitary corners disposed side-by-side in an alternating opposing relationship. A plurality of the subassemblies can be combined to form a quarter perimeter segment of the core shroud. Four quarter perimeter segments join together to form the core shroud.
    • 提供了一种芯护罩,其包括多个平面构件,多个单一角部以及各自包括平面构件和单个角部的组合的多个子组件。 每个单一角落包括一个单一的挤压件,包括第一平面部分和相对于第一平面部分垂直设置的第二平面部分。 子组件中的至少一个包括以交替相对的关系并排布置的多个整体角。 多个子组件可以组合以形成芯套管的四分之一周边段。 四个四分之一周边段连接在一起形成核心护罩。