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1. 发明授权

US4894848A Automated nuclear fuel rod pattern loading system 失效
标题翻译：自动核燃料棒图案加载系统
公开(公告)号：US4894848A
公开(公告)日：1990-01-16
申请号：US247181
申请日：1988-09-21
申请人： David V. Lambert , Theodore W. Nylund , John W. Byers , Damon E. Haley, Jr. , Joseph V. Cioffi
发明人： David V. Lambert , Theodore W. Nylund , John W. Byers , Damon E. Haley, Jr. , Joseph V. Cioffi
IPC分类号： G21C21/00 , G21C3/334 , G21C21/02
CPC分类号： G21C3/334 , G21C21/02 , G21Y2002/205 , G21Y2002/206 , G21Y2002/302 , G21Y2004/30 , G21Y2004/401 , Y02E30/40 , Y10T29/531
摘要： Apparatus for loading fuel rods in a desired enrichment pattern includes a carrousel, an elongated fuel rod storage magazine, and a fuel rod verify and feed workstation and a magazine holder and indexing mechanism disposed between the carrousel and the magazine. The carrousel has a plurality of gondolas movable mounted thereon for stocking fuel rods of known enrichments. The magazine defines a matrix of elongated slots open at their forward ends for receiving fuel rods. The workstation defines a fuel rod feed path extending between the carrousel and the magazine and is adapted to receive successively one at a time along the feed path at its upstream end fuel rods from selected ones of the carrousel gondolas. The workstation includes an optical scanning and reading unit located along the feed path for verifying the identity of the fuel rods successively one at a time and a fuel rod feeding mechanism for successively feeding one at a time along the feed path the verified fuel rods into selected ones of the slots in the magazine. The magazine holder and indexing mechanism movably supports the magazine and is actuatable for moving the magazine along X-Y axes to successively align one at a time selected ones of its slots with the feed path for loading in the magazine the successive fuel rods in a desired enrichment pattern.

2. 发明授权

US5043133A Automated nuclear fuel rod pattern loading system 失效
标题翻译：自动核燃料棒图案加载系统
公开(公告)号：US5043133A
公开(公告)日：1991-08-27
申请号：US435130
申请日：1989-11-13
申请人： David V. Lambert , Theodore W. Nylund , John W. Byers , Damon E. Haley, Jr. , Joseph V. Cioffi
发明人： David V. Lambert , Theodore W. Nylund , John W. Byers , Damon E. Haley, Jr. , Joseph V. Cioffi
IPC分类号： G21C3/334 , G21C21/02
CPC分类号： G21C21/02 , G21C3/334 , G21Y2002/205 , G21Y2002/206 , G21Y2002/302 , G21Y2004/30 , G21Y2004/401 , Y02E30/40
摘要： Apparatus for loading fuel rods in a desired enrichment pattern includes a carrousel, an elongated fuel rod storage magazine, and a fuel rod verify and feed workstation and a magazine holder and indexing mechanism disposed between the carrousel and the magazine. The carrousel has a plurality of gondolas movable mounted thereon for stocking fuel rods of known enrichments. The magazine defines a matrix of elongated slots open at their forward ends for receiving fuel rods. The workstation defines a fuel rod feed path extending between the carrousel and the magazine and is adapted to receive successively one at a time along the feed path at its upstream end fuel rods from selected ones of the carrousel gondolas. The workstation includes an optical scanning and reading unit located along the feed path for verifying the identity of the fuel rods successively one at a time and a fuel rod feeding mechanism for successively feeding one at a time along the feed path the verified fuel rods into selected ones of the slots in the magazine. The magazine holder and indexing mechanism movably supports the magazine and is actuatable for moving the magazine along X-Y axes to successively align one at a time selected one of its slots with the feed path for loading in the magazine the successive fuel rods in a desired enrichment pattern.
摘要翻译：用于以期望的浓缩模式装载燃料棒的装置包括转盘，细长的燃料棒存放盒，燃料棒验证和进给工作站以及设置在转盘和料仓之间的料盒保持架和分度机构。转盘具有可移动地安装在其上的多个吊船，用于存放已知浓缩物的燃料棒。杂志定义了在其前端开口的细长槽的矩阵，用于接收燃料棒。工作站限定了在转盘和料仓之间延伸的燃料棒进给路径，并且适于在其上游端的燃料棒沿着进给路径一次接收一个选定的转盘吊架。该工作站包括一个光学扫描和读取单元，沿着馈送路径定位，以一次一个地一个地验证燃料棒的身份;以及一个燃料棒供给机构，用于连续地将馈送路径中的一个沿验证的燃料棒进入选定的杂志中的插槽之一。盒保持器和分度机构可移动地支撑盒体，并且可移动地支撑盒子并且可致动以沿着XY轴移动盒子，以使其中一个选定的一个狭缝中的一个与进给路径连续对准，用于以期望的富集模式装载连续的燃料棒。

3. 发明授权

US5251243A Automatic fuel assembly loader 失效
标题翻译：自动燃油组装装载机
公开(公告)号：US5251243A
公开(公告)日：1993-10-05
申请号：US933274
申请日：1992-08-21
申请人： Theodore W. Nylund , Kendell L. McDill , David V. Lambert
发明人： Theodore W. Nylund , Kendell L. McDill , David V. Lambert
IPC分类号： G21C3/334 , G21C21/00
CPC分类号： G21C3/334 , G21Y2002/202 , G21Y2002/205 , G21Y2002/206 , G21Y2002/302 , G21Y2004/30 , G21Y2004/40 , G21Y2004/401 , Y02E30/40 , Y10T29/531
摘要： An automated fuel assembly loader, capable of patterned loading, moves nuclear fuel rods in a loading direction between a fuel rod skeleton defining an array of receptacles for the fuel rods, and a fuel rod magazine supplying or receiving the fuel rods. A table supports the fuel rod skeleton at a loading position. A movable carriage having a line of individual fuel rod engaging devices moves a subset of fuel rods along the line forward in the loading direction. The rods are selected via a pattern stored in a controller. Selection devices such as pneumatic clamps mechanically couple the selected engaging devices to the carriage for movement while others are left behind. A ball screw carriage drive arrangement moves the carriage parallel to the loading direction and a jack screw positioning drive displaces the carriage perpendicular to the line of fuel rods. A controller is coupled to the carriage drive and to the selection devices, and stores data defining a preset pattern of receptacles in the array, operating the selection devices for actuating a group of engaging devices corresponding to the pattern. The controller also controls displacement speed, permitting patterned loading of the skeleton, for example to obtain a particular pattern of fuel rod enrichments, the controller moving line by line through an array of fuel rod receptacles in the skeleton.

4. 发明授权

US4560532A Nuclear fuel assembly 失效
标题翻译：核燃料组件
公开(公告)号：US4560532A
公开(公告)日：1985-12-24
申请号：US550669
申请日：1983-11-10
申请人： Robert F. Barry , Susan C. Delzell , Wilson, John F. , Theodore W. Nylund
发明人： Robert F. Barry , Susan C. Delzell , Wilson, John F. , Theodore W. Nylund
IPC分类号： G21C3/322 , G21C3/33 , G21C3/30
CPC分类号： G21C3/3305 , G21C3/322 , G21C3/331 , G21C3/3315 , Y02E30/38
摘要： A nuclear fuel assembly includes and upper yoke, a base, an elongated, outer flow channel disposed substantially along the entire length of the fuel assembly and an elongated, internal, central water cross, formed by four, elongated metal angles, that divides the nuclear fuel assembly into four, separate, elongated fuel sections and that provides a centrally disposed path for the flow of subcooled neutron moderator along the length of the fuel assembly. A separate fuel bundle is located in each of the four fuel sections and includes an upper tie plate, a lower tie plate and a plurality of elongated fuel rods disposed therebetween. Preferably, each upper tie plate is formed from a plurality of interconnected thin metal bars and includes an elongated, axially extending pin that is received by the upper yoke of the fuel assembly for restraining lateral motion of the fuel bundle while permitting axial movement of the fuel bundle with respect to the outer flow channel. The outer flow channel is fixedly secured at its opposite longitudinal ends to the upper yoke and to the base to permit the fuel assembly to be lifted and handled in a vertical position without placing lifting loads or stresses on the fuel rods. The yoke, removably attached at the upper end of the fuel assembly to four structural ribs secured to the inner walls of the outer flow channel, includes, as integrally formed components, a lifting bail or handle, laterally extending bumpers, a mounting post for a spring assembly, four elongated apertures for receiving with a slip fit the axially extending pins mounted on the upper tie plates and slots for receiving the structural ribs secured to the outer flow channel. Locking pins securely attach the yoke to the structural ribs enabling the fuel assembly to be lifted as an entity.
摘要翻译：核燃料组件包括基本上沿着燃料组件的整个长度设置的上部轭架，底座，细长的外部流动通道和由四个细长的金属角度形成的细长的，内部的中央水的交叉，燃料组件分成四个分离的细长的燃料部分，并且沿着燃料组件的长度提供用于过冷中子减速器流动的中心设置的路径。单独的燃料束位于四个燃料部分中的每一个中，并且包括上连接板，下连接板和设置在它们之间的多个细长的燃料棒。优选地，每个上连接板由多个互连的薄金属杆形成并且包括细长的轴向延伸的销，该销由燃料组件的上轭接收，用于限制燃料束的横向运动，同时允许燃料的轴向移动束相对于外部流动通道。外部流道在其相对的纵向端部固定地固定到上部轭架和底部，以允许燃料组件在垂直位置被提升和处理，而不会在燃料棒上施加提升负载或应力。可拆卸地附接在燃料组件的上端处的轭体固定到外部流动通道的内壁的四个结构肋包括作为整体形成的部件的提升吊环或手柄，横向延伸的缓冲器，用于弹簧组件，四个细长的孔，用于接收滑动配合安装在上连接板上的轴向延伸的销和用于接收固定到外部流动通道的结构肋的槽。锁定销将轭架牢固地附接到结构肋上，使得燃料组件能够作为实体提升。

5. 发明授权

US4626405A Cruciform skeleton and water cross for a BWR fuel assembly 失效
标题翻译：十字形骨架和水交叉用于BWR燃料组件
公开(公告)号：US4626405A
公开(公告)日：1986-12-02
申请号：US584424
申请日：1984-02-28
申请人： David H. Field , William E. Kirby , Theodore W. Nylund
发明人： David H. Field , William E. Kirby , Theodore W. Nylund
IPC分类号： G21C3/322 , G21C3/32
CPC分类号： G21C3/322 , Y02E30/31 , Y02E30/38
摘要： A water cross for delivering non-boiling water to the center of a BWR fuel assembly for improved moderation and fuel economy. A cruciform skeleton is assembled from grid straps and connecting straps positioned at axial locations along stiffening rods. The skeleton is inserted into a flow channel to provide support for rectangular or square water tubes which are inserted through the skeleton into the flow channel to form an internal water cross. A method for forming a water cross is also disclosed.
摘要翻译：用于将非沸水输送到BWR燃料组件的中心的水道，以提高节能和燃油经济性。十字形骨架由网格带和位于沿着加强杆的轴向位置处的连接带组装。将骨架插入到流动通道中以为矩形或方形水管提供支撑，该管将骨架插入流道以形成内部水交叉。还公开了一种形成水交叉的方法。

6. 发明授权

US4265010A Method and apparatus for adjusting the elevation of fuel rods in a nuclear reactor fuel assembly 失效
标题翻译：用于调节核反应堆燃料组件中的燃料棒的高度的方法和装置
公开(公告)号：US4265010A
公开(公告)日：1981-05-05
申请号：US963596
申请日：1978-11-24
申请人： Glenn D. Doss , Theodore W. Nylund
发明人： Glenn D. Doss , Theodore W. Nylund
IPC分类号： G21C21/00 , G21C3/33 , G21C3/334 , B22D19/10 , B23P19/04 , B66F3/18 , G21C19/20
CPC分类号： G21C3/334 , G21C3/33 , Y02E30/40 , Y10T29/49718 , Y10T29/53891 , Y10T74/19647
摘要： Method and apparatus for adjusting the level of fuel rods in a fuel assembly which includes a tool having an end insertable between a fuel assembly nozzle plate and the exposed ends of fuel rods. The insertable end of the tool includes stationary and movable plates, the movable plate having a portion which rests on flanges in a forked end of the stationary plate while the other end of said movable plate is bent in a manner such that it lies above the stationary plate. A pair of gears are located in the space defined by the spaced ends of said plates, and screw threaded shafts extend through threaded openings in the movable plate and into gears located in the space between the ends of the plates, so that when one of the shafts is rotated, the force transmitted through said gears causes the other shaft to rotate and the coaction of both threaded shafts thus causes the movable plate to move in a direction away from the stationary plate, and in so doing, cause the fuel rod in contact with the movable plate to be moved in an axial direction and into a position where the end thereof lies in the same plane as the ends of other fuel rods in the assembly.
摘要翻译：用于调节燃料组件中的燃料棒的高度的方法和装置，其包括具有可插入在燃料组件喷嘴板和燃料棒的暴露端之间的端部的工具。工具的可插入端包括固定和可移动的板，可移动板具有一部分，该部分位于固定板的叉形端部中的凸缘上，而可移动板的另一端弯曲成使其位于固定盘子。一对齿轮位于由所述板的间隔开的端部限定的空间中，并且螺纹轴通过可移动板中的螺纹开口延伸到位于板的端部之间的空间中的齿轮中，使得当其中一个轴旋转，通过所述齿轮传递的力使另一个轴旋转，并且两个螺纹轴的共同作用使得可动板沿远离固定板的方向移动，并且在这样做中，使燃料棒接触其中可移动板沿轴向方向移动到其端部位于与组件中的其它燃料棒的端部相同的平面中的位置。

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