公开(公告)号：US09014325B2

公开(公告)日：2015-04-21

申请号：US13822525

申请日：2012-05-11

申请人： Erhard Friedrich ,  Dieter Umlauft ,  Dirk Blavius ,  Klaus Kurzer

发明人： Erhard Friedrich ,  Dieter Umlauft ,  Dirk Blavius ,  Klaus Kurzer

IPC分类号： G21C3/34 ,  G21C3/322 ,  G21C3/33 ,  G21C3/352 ,  G21C3/32

CPC分类号： G21C3/322 ,  G21C3/3206 ,  G21C3/3315 ,  G21C3/34 ,  G21C3/352 ,  Y02E30/38

摘要： A nuclear fuel assembly tie plate is provided. The nuclear fuel assembly tie plate is formed by intersecting strips delimiting between them tubular guide cells each for allowing a fuel rod to extend through the tie plate. The strips delimit between them tubular flow cells separate from the guide cells, each flow cell for allowing coolant flow through the tie plate. Guide cells and flow cells are arranged at nodes of a lattice defined by a repeating pattern comprising four corner nodes in a square lattice arrangement and a central node at the center of the four corner nodes, with one guide cell at each corner nodes, separated by a pair of parallel spaced strips intersecting a pair of parallel spaced strips, the two pairs of strips delimiting a four-walled central flow cell at the center node.

摘要翻译： 提供了核燃料组件连接板。 核燃料组件连接板由它们之间的相交条形成，每个管状引导单元用于允许燃料棒延伸通过连接板。 条带之间限定了与引导单元分离的管状流动池，每个流动池用于允许冷却剂流过连接板。 引导单元和流动单元被布置在由包括正方形格子布置中的四个角节点和四个角节点中心的中心节点的重复图案定义的格子的节点处，每个角节点处具有一个引导单元，由每个角节点分开， 一对平行隔开的条带，与一对平行隔开的条带相交，两对条在中心节点处划定四壁中央流通池。

公开(公告)号：US08964930B2

公开(公告)日：2015-02-24

申请号：US12601681

申请日：2008-12-11

申请人： Hidenori Harada ,  Masahiko Yamada

发明人： Hidenori Harada ,  Masahiko Yamada

IPC分类号： G21C3/32 ,  G21C3/334 ,  G21C3/33

CPC分类号： G21C3/334 ,  G21C3/3315 ,  G21Y2002/303 ,  G21Y2002/304 ,  G21Y2004/301 ,  Y02E30/40

摘要： A coupling structure of a fuel assembly includes a screw coupling means to provide a coupling structure of a fuel assembly which prevents foreign matters from mixing in the fuel and in which no vertical play is generated at a fitting portion between a latch sleeve 10 and a lock key 20. The coupling structure of the fuel assembly includes: the latch sleeve 10 having a projecting portion 11 formed at an upper end portion thereof; an upper nozzle 30 having formed therein a latch sleeve installation hole 31 into which the upper end portion of the latch sleeve 10 is inserted; and the lock key 20 which is installed inside the latch sleeve installation hole 31, and which has an opening portion 21 formed on a bottom surface thereof, the opening portion 21 having a shape corresponding to the projecting portion 11. The screw coupling means screw couples the lock key 20 to the upper nozzle 30 with a male screw thread 23 formed on a side surface of the lock key 20.

摘要翻译： 燃料组件的联接结构包括螺旋联接装置，以提供燃料组件的联接结构，其防止异物在燃料中混合，并且在闩锁套筒10和锁定件之间的装配部分处不产生垂直游隙 燃料组件的联接结构包括：闩锁套筒10，其具有形成在其上端部分的突出部分11; 上部喷嘴30，其中形成有闩锁套筒安装孔31，闩锁套筒10的上端部分插入其中; 以及安装在闩锁安装孔31内的锁定键20，并且具有形成在其底面上的开口部21，开口部21具有与突出部11对应的形状。螺丝联接装置 锁定键20连接到形成在锁定键20的侧表面上的外螺纹23的上喷嘴30。

公开(公告)号：US20140241486A1

公开(公告)日：2014-08-28

申请号：US13777213

申请日：2013-02-26

申请人： BABCOCK & WILCOX MPOWER, INC.

发明人： Miroslav Dujin

IPC分类号： G21C3/33

CPC分类号： G21C3/3305 ,  G21C3/3315 ,  Y02E30/40

摘要： A fuel assembly includes a plurality of fuel rods arranged in parallel and including fissile material, a plurality of guide tubes arranged in parallel with and interspersed amongst the fuel rods, an upper end fitting connected with upper ends of the guide tubes, and a lower end fitting connected with lower ends of the guide tubes. Each fuel rod includes a top end and a bottom end wherein the top end extends into the upper end fitting and/or the bottom end extends into the lower end fitting.

摘要翻译： 燃料组件包括平行布置并包括易裂变材料的多个燃料棒，与燃料棒平行布置并分散在其中的多个引导管，与引导管的上端连接的上端配件，以及下端 配件与导管的下端连接。 每个燃料棒包括顶端和底端，其中顶端延伸进入上端配件和/或底端延伸到下端配件中。

公开(公告)号：US20140086377A1

公开(公告)日：2014-03-27

申请号：US13822525

申请日：2012-05-11

申请人： Erhard Friedrich ,  Dieter Umlauft ,  Dirk Blavius ,  Klaus Kurzer

发明人： Erhard Friedrich ,  Dieter Umlauft ,  Dirk Blavius ,  Klaus Kurzer

IPC分类号： G21C3/322 ,  G21C3/33

CPC分类号： G21C3/322 ,  G21C3/3206 ,  G21C3/3315 ,  G21C3/34 ,  G21C3/352 ,  Y02E30/38

摘要： A nuclear fuel assembly tie plate is provided. The nuclear fuel assembly tie plate is formed by intersecting strips delimiting between them tubular guide cells each for allowing a fuel rod to extend through the tie plate. The strips delimit between them tubular flow cells separate from the guide cells, each flow cell for allowing coolant flow through the tie plate. Guide cells and flow cells are arranged at nodes of a lattice defined by a repeating pattern comprising four corner nodes in a square lattice arrangement and a central node at the center of the four corner nodes, with one guide cell at each corner nodes, separated by a pair of parallel spaced strips intersecting a pair of parallel spaced strips, the two pairs of strips delimiting a four-walled central flow cell at the center node.

摘要翻译： 提供了核燃料组件连接板。 核燃料组件连接板由它们之间的相交条形成，每个管状引导单元用于允许燃料棒延伸通过连接板。 条带之间限定了与引导单元分离的管状流动池，每个流动池用于允许冷却剂流过连接板。 引导单元和流动单元被布置在由包括正方形格子布置中的四个角节点和四个角节点中心的中心节点的重复图案定义的格子的节点处，每个角节点处具有一个引导单元，由每个角节点分开， 一对平行隔开的条带，与一对平行隔开的条带相交，两对条在中心节点处划定四壁中央流通池。

公开(公告)号：US20130058449A1

公开(公告)日：2013-03-07

申请号：US13698009

申请日：2011-05-10

申请人： Lennart I. Johansson

发明人： Lennart I. Johansson

IPC分类号： G21C3/33

CPC分类号： G21C3/33 ,  G21C3/3315 ,  G21C7/10 ,  Y02E30/39

摘要： The invention refers to a fuel assembly comprising a lower end structure, an upper end structure including a top nozzle (5), a plurality of fuel rods and a plurality of guide thimbles (3). The top nozzle includes a passageway and an annular groove (10) in said passageway. A sleeve (11) is provided for attaching the guide thimble (3) to the top nozzle (5). The sleeve has at least three slots (12) and includes at least three bulges (13). Each bulge (13) has two ends and extends between two of the slots (12). At least one of the ends of the bulge (13) extends to a position at a distance (d) from the respective slot (12). The invention also refers to a guide thimble device (9) for use in a fuel assembly.

摘要翻译： 本发明涉及一种燃料组件，其包括下端结构，上端结构包括顶部喷嘴（5），多个燃料棒和多个导向套管（3）。 顶部喷嘴包括通道和在所述通道中的环形槽（10）。 提供套筒（11）用于将导向套管（3）附接到顶部喷嘴（5）。 套筒具有至少三个槽（12）并且包括至少三个凸起（13）。 每个凸起（13）具有两个端部并且在两个槽（12）之间延伸。 凸起（13）的至少一个端部延伸到与相应的槽（12）成距离（d）的位置。 本发明还涉及一种用于燃料组件的导向套管装置（9）。

公开(公告)号：US20100284503A1

公开(公告)日：2010-11-11

申请号：US12078705

申请日：2008-04-03

申请人： David Grey Smith ,  William Earl Russell, II

发明人： David Grey Smith ,  William Earl Russell, II

IPC分类号： G21G1/02 ,  G21C3/33

CPC分类号： G21G1/02 ,  G21C3/32 ,  Y02E30/40

摘要： Example embodiments are directed to tie plate attachments having irradiation targets and/or fuel assemblies having example embodiment tie plate attachments with irradiation targets and methods of using the same to generate radioisotopes. Example embodiment tie plate attachments may include a plurality of retention bores that permit irradiation targets to be contained in the retention bores. Irradiation targets may be irradiated in an operating nuclear core including the fuel assemblies, generating radioisotopes that may be harvested from the spent nuclear fuel assembly by removing example embodiment tie plate attachments.

摘要翻译： 示例性实施例涉及具有照射靶和/或燃料组件的连接板附件，其具有示例性实施例的具有辐射靶的连接板附件以及使用其的方法来产生放射性同位素。 示例性实施例的连接板附件可以包括多个保持孔，其允许照射目标包含在保留孔中。 可以在包括燃料组件的操作核芯中照射照射目标，通过移除示例性实施例的连接板附件来产生可从废核燃料组件收获的放射性同位素。

公开(公告)号：US20050105676A1

公开(公告)日：2005-05-19

申请号：US10938206

申请日：2004-09-10

申请人： Michael Liebler-Ranzus

发明人： Michael Liebler-Ranzus

IPC分类号： G21C3/33 ,  G21C9/00

CPC分类号： G21C3/322 ,  G21C3/352 ,  G21Y2002/201 ,  G21Y2004/302 ,  Y02E30/31 ,  Y02E30/38

摘要： A spacer for a fuel element of a boiling water reactor contains cells that are formed by inner partitions, which are disposed in a crisscross manner, and by outer partitions, which surround the inner partitions in a frame-like manner. A guiding device is placed on the spacer and contains a flow-through opening, which is located in an outer partition. The guiding device also contains a guiding element which, when viewed in the direction of flow of the coolant, is located in front of the flow-through opening, and is situated at a distance from the inner side of the outer partition, and interacts with the flow-through opening like a venturi nozzle.

摘要翻译： 用于沸水反应堆的燃料元件的间隔件包含由交叉方式设置的内隔板和以框架状包围内隔板的外隔板形成的电池。 引导装置放置在间隔件上并且包含位于外隔板中的流通开口。 引导装置还包括引导元件，当从冷却剂的流动方向观察时，引导元件位于流通开口的前方，并且位于与外隔板内侧一定距离处，并且与 流通开口如文丘里喷嘴。

公开(公告)号：US5663993A

公开(公告)日：1997-09-02

申请号：US542345

申请日：1995-10-12

申请人： David W. Danielson ,  Robert B. Elkins ,  Thomas G. Dunlap

发明人： David W. Danielson ,  Robert B. Elkins ,  Thomas G. Dunlap

IPC分类号： G21C3/10 ,  G21C3/322 ,  G21C3/33 ,  G21C3/32

CPC分类号： G21C3/322 ,  G21Y2002/204 ,  G21Y2004/302 ,  G21Y2004/403 ,  Y02E30/38

摘要： In a nuclear fuel rod assembly including a plurality of fuel rods and at least one water rod held together in a bundle, and wherein end plugs at the lower ends of the fuel rods and the at least one water rod engage a lower tie plate, an improvement wherein the end plug at the lower end of the at least one water rod is hollow and includes a multi-diameter flow metering bore for regulating coolant flow into the water rod.

摘要翻译： 在一个核燃料棒组件中，包括多个燃料棒和至少一个以棒束为一体的水杆，并且其中燃料棒的下端和至少一个水杆的端塞接合下连接板， 改进之处在于，至少一个水杆的下端处的端塞是中空的，并且包括用于调节进入水杆的冷却剂流的多直径流量计量孔。

公开(公告)号：US5553108A

公开(公告)日：1996-09-03

申请号：US334388

申请日：1994-11-03

申请人： Eric B. Johansson

发明人： Eric B. Johansson

IPC分类号： G21C3/322 ,  G21C3/33

CPC分类号： G21C3/3305 ,  G21C3/322 ,  G21Y2002/302 ,  G21Y2004/301 ,  Y02E30/40

摘要： In a fuel bundle assembly (B) for a nuclear reactor wherein a plurality of fuel rods (R) and at least one water rod (W) extend between an upper tie plate and a lower tie plate, an improvement includes a fixed connection between the water rod (W) and the lower tie plate (L), the fixed connection including a threaded lower end plug of the water rod and a threaded hole in a boss formed in the lower tie plate adapted to receive the threaded lower end plug, the threaded lower end plug (50) formed with a diametrical slot (54) therein and the boss (56) formed with a pair of slots (60, 62) extending from opposite sides of the hole such that the diametrical slot (54) and the pair of slots (60, 62) are alignable when the threaded lower end plug (50) is threaded into the boss (56); and a key (64) insertable within the aligned slots to thereby fix the water rod against rotational movement.

摘要翻译： 在用于核反应堆的燃料束组件（B）中，其中多个燃料棒（R）和至少一个水杆（W）在上连接板和下连接板之间延伸，改进包括： 水杆（W）和下连接板（L），固定连接包括水杆的螺纹下端塞和在下连接板中形成的凸台中的螺纹孔，适于接纳螺纹下端塞， 在其中形成有直径槽（54）的螺纹下端塞（50），并且凸起（56）形成有从孔的相对侧延伸的一对槽（60,62），使得直径槽（54）和 当螺纹下端塞（50）拧入凸台（56）时，一对槽（60,62）可对准。 以及可在对准的狭槽内插入的钥匙（64），从而固定水杆以防旋转运动。

公开(公告)号：US5483565A

公开(公告)日：1996-01-09

申请号：US238526

申请日：1994-05-05

申请人： Magnus Gronlund ,  Anders Soderlund ,  Anders Wallander

发明人： Magnus Gronlund ,  Anders Soderlund ,  Anders Wallander

IPC分类号： G21C3/33 ,  G21C3/322 ,  G21C3/326 ,  G21C3/328 ,  G21C7/113 ,  G21C1/04

CPC分类号： G21C3/322 ,  G21Y2002/20 ,  G21Y2004/302 ,  Y02E30/31 ,  Y02E30/38

摘要： A fuel assembly (16) for a boiling-water nuclear reactor arranged in groups with four fuel assemblies in each group and with a centrally placed control rod (17) forming a supercell. Each fuel assembly (16) includes a plurality of vertical fuel rods (12) with enriched nuclear fuel material (24), said rods being arranged between a bottom tie plate (13) and a top tie plate (14) in a surrounding vertical fuel channel (1) which is connected to a transition section (2). The transition section is provided with holes (20a-d) for by-pass flow outside the fuel assembly. The fuel assembly is characterized in that the by-pass holes are arranged in such a way that when turning the fuel assembly (16), including the transition section (2), 90.degree., 180.degree. or 270.degree. around the longitudinal axis of the fuel assembly, said holes are adapted to direct the by-pass flow away from the control rod (17).

摘要翻译： 一种用于沸水核反应堆的燃料组件（16），每组配置有四个燃料组件，并且具有形成超电池的中心放置的控制棒（17）。 每个燃料组件（16）包括具有富集的核燃料材料（24）的多个垂直燃料棒（12），所述杆布置在周围垂直燃料中的底板（13）和顶板（14）之间 通道（1），其连接到过渡部分（2）。 过渡部分设置有用于在燃料组件外侧的旁路流动的孔（20a-d）。 燃料组件的特征在于，旁通孔以这样的方式布置，使得当包括过渡部分（2）的燃料组件（16）绕着轴的纵轴旋转90°，180°或270° 燃料组件，所述孔适于将旁路流引导离开控制棒（17）。