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1.发明申请公开(公告)号：US20130272477A1
公开(公告)日：2013-10-17
申请号：US13537049
申请日：2012-06-29
Applicant: Julius M. Ullmann , Lewis A. Walton , Mary W. Johnson
Inventor： Julius M. Ullmann , Lewis A. Walton , Mary W. Johnson
CPC classification number: G21C3/3206 , G21C3/322 , G21C3/3305 , G21C21/02 , Y02E30/40
Abstract: In a nuclear reactor core having fuel assemblies with upper and lower end fittings, a debris filter plate is attached to a lower end fitting having a skirt. The filter prevents debris from entering the fuel assembly, while the skirt prevents the trapped debris from sliding off the lower end fitting and continuing into the core. The lower end fitting is formed from a substantially square base and has flow channels to allow coolant to flow through it to the fuel assembly. The skirt is an extension of the metal of the lower end fitting that extends around the perimeter of the lower end fitting, spanning all four corners of the lower end fitting. In addition to capturing debris, the skirt also positions the filter, which may be manufactured from the same metal as the lower end fitting.
Abstract translation: 在具有具有上端和下端配件的燃料组件的核反应堆堆芯中，碎屑过滤板连接到具有裙部的下端配件。 过滤器防止碎屑进入燃料组件，而裙部防止被捕获的碎屑从下端配件滑落并继续进入芯部。 下端配件由大致正方形的底座形成并具有允许冷却剂流过其的燃料组件的流动通道。 裙部是下端配件的金属的延伸部分，其围绕下端配件的周边延伸，跨越下端配件的所有四个角落。 除了捕获碎屑之外，裙部还定位过滤器，其可以由与下端配件相同的金属制造。
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公开(公告)号：US20130272464A1
公开(公告)日：2013-10-17
申请号：US13553023
申请日：2012-07-19
Applicant: Lewis A. Walton , Anne R. Austin
Inventor： Lewis A. Walton , Anne R. Austin
Abstract: A control rod assembly including at least one movable control rod including a neutron absorbing material, a control rod drive mechanism (CRDM) for controlling movement of the at least one control rod, and a coupling operatively connecting the at least one control rod and the CRDM. The coupling includes a terminal element engaged with a connecting rod of the CRDM and the at least one moveable control rod, and a kinetic energy absorbing element supported by the terminal element for absorbing kinetic energy during a SCRAM event, the kinetic energy absorbing element configured to act between the terminal element and an upper plate of an associated fuel assembly.
Abstract translation: 一种控制杆组件，包括至少一个包括中子吸收材料的可移动控制杆，用于控制所述至少一个控制杆的运动的控制杆驱动机构（CRDM）以及可操作地连接所述至少一个控制杆和所述CRDM 。 联接器包括与CRDM的连杆和至少一个可移动控制杆接合的端子元件和由SCRAM事件期间吸收动能的终端元件支撑的动能吸收元件，动能吸收元件被配置为 在端子元件和相关联的燃料组件的上板之间起作用。
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公开(公告)号：US20130202077A1
公开(公告)日：2013-08-08
申请号：US13364769
申请日：2012-02-02
Applicant: Lewis A Walton , George S. Pabis , Andrew W. Doan , James G. Hatmaker
Inventor： Lewis A Walton , George S. Pabis , Andrew W. Doan , James G. Hatmaker
CPC classification number: G21C3/352 , G21C3/356 , G21C3/3563 , Y02E30/40
Abstract: A spacer grid includes interlocked straps comprising metal sheets or plates welded together to define a spacer grid having a top and bottom. The interlocked straps define a plurality of cells comprising vertical passages connecting the top and bottom of the spacer grid. The cells include: upper dimples proximate to the top of the spacer grid and distal from the mid-plane of the spacer grid; lower dimples proximate to the bottom of the spacer grid and distal from the mid-plane of the spacer grid; cantilevered upper springs having fuel rod engagement surfaces proximate to the top of the spacer grid and distal from the mid-plane of the spacer grid; and cantilevered lower springs having fuel rod engagement surfaces proximate to the bottom of the spacer grid and distal from the mid-plane of the spacer grid.
Abstract translation: 间隔网格包括互锁带，其包括焊接在一起的金属板或板，以限定具有顶部和底部的间隔栅格。 互锁带限定多个单元，其包括连接间隔栅格的顶部和底部的垂直通道。 电池包括：靠近隔离栅格顶部并远离间隔栅格的中间平面的上部凹坑; 靠近隔离栅格底部并远离间隔栅格的中间平面的较小凹坑; 悬臂式上弹簧具有靠近间隔栅格顶部并且远离间隔栅格的中间平面的燃料棒接合表面; 以及悬臂式下弹簧，其具有靠近间隔栅格底部并且远离间隔栅格的中间平面的燃料棒接合表面。
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公开(公告)号：US07085340B2
公开(公告)日：2006-08-01
申请号：US10657025
申请日：2003-09-05
Applicant: Mark P. Goldenfield , Quang M. Nguyen , Gregory E. Settle , Radu O. Pomirleanu , Abdelaziz M. Elmahdi , Lewis A. Walton , Raymond W. Brashier
Inventor： Mark P. Goldenfield , Quang M. Nguyen , Gregory E. Settle , Radu O. Pomirleanu , Abdelaziz M. Elmahdi , Lewis A. Walton , Raymond W. Brashier
IPC: G21C3/34
CPC classification number: G21C3/356 , G21Y2002/303 , G21Y2004/304 , Y02E30/40
Abstract: A nuclear fuel assembly having a parallel array of elongated fuel elements supported between an upper and lower nozzle. Main support grids are substantially evenly spaced along the elongated dimension of the assembly to maintain the spacing between fuel elements. A plurality of auxiliary vibration-resistant grids respectively positioned between the main support grids in the middle third elongated dimension of the fuel elements, that are smaller in height and provide a larger fuel element contact area than the main support grids.
Abstract translation: 一种核燃料组件，其具有支撑在上部喷嘴和下部喷嘴之间的细长燃料元件的平行阵列。 主支撑栅格沿着组件的细长尺寸基本上均匀间隔，以保持燃料元件之间的间隔。 分别位于燃料元件的中间第三细长尺寸中的主支撑格栅之间的多个辅助防振网格，其高度较小并且提供比主支撑网格更大的燃料元件接触面积。
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公开(公告)号：US5410578A
公开(公告)日：1995-04-25
申请号：US946699
申请日：1992-09-18
Applicant: Lewis A. Walton
Inventor： Lewis A. Walton
IPC: G21C1/12 , G21C3/04 , G21C3/18 , G21C3/20 , G21C3/30 , G21C5/12 , G21C15/06 , G21C15/08 , G21D5/02 , G21D5/06
CPC classification number: G21C1/12 , G21C15/06 , G21C15/08 , G21C3/042 , G21C3/18 , G21C3/20 , G21C3/30 , G21C5/12 , G21D5/02 , G21D5/06 , G21Y2002/104 , G21Y2004/10 , G21Y2004/303 , G21Y2004/40 , Y02E30/33 , Y10S376/909
Abstract: A nuclear propulsion reactor. A pressure vessel is provided with a reactor core that is surrounded by a radial reflector. Nuclear fuel elements in the core are formed from a hexagonal housing made from a high performance moderator and having a plurality of axial bores that extend the full length of the housing. A stack of nuclear fuel compacts having axial bores for coolant flow is received in the central axial bore of the housing. Hollow lithium hydride slugs are received in the bores at the corners of the housing. A rocket nozzle is attached to one end of the pressure vessel. Coolant/propellant flows into a passageway around the rocket nozzle for cooling thereof, upward through bores in the reflector and through the hexagonal housings of the fuel elements, downward through the bores in the nuclear fuel compacts and then out the rocket nozzle where propulsive thrust is produced.
Abstract translation: 一个核推进反应堆。 压力容器设置有被径向反射器包围的反应堆芯。 核心中的核燃料元件由由高性能调节剂制成的六角形壳体形成，并且具有延伸壳体全长的多个轴向孔。 具有用于冷却剂流动的轴向孔的一堆核燃料压块容纳在壳体的中心轴向孔中。 中空的氢化锂s塞被收纳在外壳的角落的孔中。 火箭喷嘴连接到压力容器的一端。 冷却剂/推进剂流入火箭喷嘴周围的通道，用于冷却，向上通过反射器中的孔，并通过燃料元件的六边形壳体，向下通过核燃料压块中的孔，然后从火箭喷嘴出来，其中推进推力为 生产。
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Patent Agency Ranking
公开(公告)号：US10102933B2
公开(公告)日：2018-10-16
申请号：US13553023
申请日：2012-07-19
Applicant: Lewis A. Walton , Anne R. Austin , Jean H. Raas
Inventor： Lewis A. Walton , Anne R. Austin , Jean H. Raas
Abstract: A control rod assembly including at least one movable control rod including a neutron absorbing material, a control rod drive mechanism (CRDM) for controlling movement of the at least one control rod, and a coupling operatively connecting the at least one control rod and the CRDM. The coupling includes a terminal element engaged with a connecting rod of the CRDM and the at least one moveable control rod, and a kinetic energy absorbing element supported by the terminal element for absorbing kinetic energy during a SCRAM event, the kinetic energy absorbing element configured to act between the terminal element and an upper plate of an associated fuel assembly.
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公开(公告)号：US09620250B2
公开(公告)日：2017-04-11
申请号：US13364769
申请日：2012-02-02
Applicant: Lewis A. Walton , Andrew W. Doan , George S. Pabis , James G. Hatmaker
Inventor： Lewis A. Walton , Andrew W. Doan , George S. Pabis , James G. Hatmaker
CPC classification number: G21C3/352 , G21C3/356 , G21C3/3563 , Y02E30/40
Abstract: A spacer grid includes interlocked straps comprising metal sheets or plates welded together to define a spacer grid having a top and bottom. The interlocked straps define a plurality of cells comprising vertical passages connecting the top and bottom of the spacer grid. The cells include: upper dimples proximate to the top of the spacer grid and distal from the mid-plane of the spacer grid; lower dimples proximate to the bottom of the spacer grid and distal from the mid-plane of the spacer grid; cantilevered upper springs having fuel rod engagement surfaces proximate to the top of the spacer grid and distal from the mid-plane of the spacer grid; and cantilevered lower springs having fuel rod engagement surfaces proximate to the bottom of the spacer grid and distal from the mid-plane of the spacer grid.
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公开(公告)号：US4381283A
公开(公告)日：1983-04-26
申请号：US279396
申请日：1981-07-01
Applicant: Lewis A. Walton
Inventor： Lewis A. Walton
CPC classification number: G21C7/117 , G21C7/04 , G21C7/10 , G21Y2002/402 , G21Y2004/30 , Y02E30/39
Abstract: A technique is provided for engaging and disengaging burnable poison rods from the spider in a fuel assembly. The cap on the end of each of the burnable poison rods is provided with a shank that is received in the respective bore formed in the spider. In one illustrative embodiment, the shank is deformed to firmly secure the rod and attached shank in the spider bore. Pressing the shank in the direction of the bore axis overcomes the deformation to release the particular rod from the spider.
Abstract translation: 提供了一种用于在燃料组件中从蜘蛛中接合和分离可燃毒物的技术。 每个可燃毒物杆的末端上的盖设置有一个柄，该柄被容纳在形成在蜘蛛中的相应孔中。 在一个说明性实施例中，柄变形以将杆和附接的柄牢固地固定在蜘蛛孔中。 沿轴孔方向按压柄杆克服了变形，以将特定的杆从蜘蛛上释放出来。
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公开(公告)号：US10124472B2
公开(公告)日：2018-11-13
申请号：US13447655
申请日：2012-04-16
Applicant: Julius M. Ullmann , Lewis A. Walton , Mary W. Johnson
Inventor： Julius M. Ullmann , Lewis A. Walton , Mary W. Johnson
Abstract: A fuel assembly includes a plurality of fuel rods comprising fissile material, a plurality of guide tubes interspersed amongst the fuel rods, an upper end fitting connected with upper ends of guide tubes, and a lower end fitting. End plugs are connected with the lower ends of the guide tubes. The end plugs have threaded male shafts extending from the lower ends of the guide tubes which pass through openings of the lower end fitting. Female lock nuts are threaded onto the threaded male shafts of the end plugs and lock with the lower end fitting to secure the lower end fitting to the lower ends of the guide tubes. The female lock nuts suitably have locking portions that are outwardly deformed into recesses of the lower end fitting to lock the lock nuts in place after tightening.
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公开(公告)号：US20130272481A1
公开(公告)日：2013-10-17
申请号：US13447655
申请日：2012-04-16
Applicant: Julius M. Ullmann , Lewis A. Walton , Mary W. Johnson
Inventor： Julius M. Ullmann , Lewis A. Walton , Mary W. Johnson
CPC classification number: B25B23/0092 , F16B23/0015 , F16B39/025 , G21C3/3305 , G21C3/331 , G21C3/3315 , Y02E30/40
Abstract: A fuel assembly includes a plurality of fuel rods comprising fissile material, a plurality of guide tubes interspersed amongst the fuel rods, an upper end fitting connected with upper ends of guide tubes, and a lower end fitting. End plugs are connected with the lower ends of the guide tubes. The end plugs have threaded male shafts extending from the lower ends of the guide tubes which pass through openings of the lower end fitting. Female lock nuts are threaded onto the threaded male shafts of the end plugs and lock with the lower end fitting to secure the lower end fitting to the lower ends of the guide tubes. The female lock nuts suitably have locking portions that are outwardly deformed into recesses of the lower end fitting to lock the lock nuts in place after tightening. Dashpot tubes may be disposed in the lower ends of the guide tubes and connected to the end plugs.
Abstract translation: 燃料组件包括多个燃料棒，其包括裂变材料，多个引导管分散在燃料棒之间，上端配件与导管的上端连接，下端配件。 端塞与导管的下端连接。 端塞具有从引导管的下端延伸穿过下端配件的开口的螺纹阳轴。 母锁螺母拧入端塞的螺纹公轴上，并与下端配件锁定，以将下端配件固定在导管的下端。 母锁螺母适当地具有锁定部分，其向外变形成下端配件的凹部，以在紧固之后将锁定螺母锁定在适当位置。 缓冲器管可以设置在引导管的下端并连接到端塞。
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