公开(公告)号：US5363422A

公开(公告)日：1994-11-08

申请号：US870922

申请日：1992-04-20

申请人： Olov Nylund ,  Ragnar Mansson ,  Torsten Olsson ,  Tibor Farkas ,  Thorbjorn Sahlin

发明人： Olov Nylund ,  Ragnar Mansson ,  Torsten Olsson ,  Tibor Farkas ,  Thorbjorn Sahlin

IPC分类号： G21C3/322 ,  G21C3/344 ,  G21C3/34

CPC分类号： G21C3/322 ,  G21C3/344 ,  G21Y2002/302 ,  G21Y2004/30 ,  Y02E30/38

摘要： Spacers (10) with a cell-formed lattice-work for retaining parallel elongated elements such as fuel rods (5) into a bundle in a nuclear reactor fuel assembly are arranged in a suitable spaced relationship to each other along the bundle, and the cells are formed from tubular sleeves (1). Each one of these sleeves (1) offers a passage for one of the elements in order to fix the elements in relation to each other. Substantially half the number of sleeves (1) in a spacer (10), distributed evenly over the cross section of the bundle, are located in a first plane across the bundle and are joined to each other inside a first frame (11) surrounding the bundle, thereby forming a lattice of sleeves (1) and gaps (13). The remaining sleeves (1) of the spacer (10) are joined together inside a second frame (12) surrounding the bundle and are located in a second plane, separate from the first plane, across the bundle. These sleeves (1) also form a lattice of sleeves (1) and gaps (13), the sleeves (1) in the different planes being arranged in such a way that an element fixed by a sleeve (1) in the first plane freely traverses a gap (13) arranged in the second plane and vice versa.

摘要翻译： 具有用于将平行细长元件（例如燃料棒（5））保持在核反应堆燃料组件中的束中的细胞形成的格子布置的间隔件（10）沿着束彼此以适当的间隔关系布置，并且细胞 由管状套筒（1）形成。 这些套筒（1）中的每一个为这些元件之一提供通道，以便相对于彼此固定元件。 基本上分布在束的横截面上的隔离物（10）中的一半的套筒（1）位于跨束的第一平面中，并且在围绕着该束的第一框架（11）内相互连接 从而形成套筒（1）和间隙（13）的格子。 间隔件（10）的剩余套筒（1）在围绕束的第二框架（12）内连接在一起，并且位于与第一平面分离的第二平面中。 这些套筒（1）也形成一个套筒（1）和间隙（13）的格子，不同平面中的套筒（1）以这样一种方式排列，使得由第一平面中的套筒（1）固定的元件自由地 穿过布置在第二平面中的间隙（13），反之亦然。

公开(公告)号：US5263071A

公开(公告)日：1993-11-16

申请号：US849092

申请日：1992-03-09

申请人： Tibor Farkas ,  Ragnar Mansson ,  Olov Nylund

发明人： Tibor Farkas ,  Ragnar Mansson ,  Olov Nylund

IPC分类号： G21C3/344 ,  G21C3/356 ,  G21C3/34

CPC分类号： G21C3/344 ,  G21C3/3563 ,  G21Y2002/201 ,  G21Y2004/302 ,  Y02E30/40

摘要： A spacer for retaining parallel, elongated fuel rods includes a plurality of cells which are formed from tubular sleeves internally provided with fixed supports and at least one spring arranged opposite to the fixed supports. The spring is intended to make contact with a fuel rod inserted into the sleeve and is formed as a leaf spring which is cut out of the wall of the sleeve and which, when the sleeve is empty, is bent into the sleeve. The leaf spring is adapted, in tensioned position when the fuel rod is inserted into the sleeve, to be returned to a position substantially coinciding with the wall of the sleeve.

公开(公告)号：US5147599A

公开(公告)日：1992-09-15

申请号：US665317

申请日：1991-03-06

申请人： Ragnar Mansson

发明人： Ragnar Mansson

IPC分类号： G21C3/33 ,  G21C3/334

CPC分类号： G21C3/334 ,  Y02E30/40

摘要： A fuel assembly for a nuclear reactor with a number of parallel fuel rods which are retained by means of spacer lattices and guide tubes (3), which guide tubes (3) are also fixed to the spacer lattices, a top tie plate (4) and a bottom tie plate between which the guide tubes (3) with associated fuel rods are fixed. The top tie plate (4) has been provided with through-holes (10) for connection to a top sleeve (7) joined to the upper end surface of the respective guide tube (3). According to the invention, there is arranged inside the top sleeve (7) a first locking element (9) for cooperation with a second locking element (13). This is arranged on a guide sleeve (11) which is insertable through a hole (10) in the top tie plate (4), which hole corresponds to the respective top sleeve (7).

摘要翻译： 用于具有多个平行燃料棒的核反应堆的燃料组件，其通过间隔物格架和引导管（3）保持，所述引导管（3）也固定到间隔物格架上，顶部连接板（4） 和底部连接板，其间具有相关联的燃料棒的引导管（3）固定在该底板之间。 顶部连接板（4）已经设置有用于连接到连接到相应导管（3）的上端表面的顶部套筒（7）的通孔（10）。 根据本发明，在顶部套筒（7）的内部布置有用于与第二锁定元件（13）配合的第一锁定元件（9）。 其布置在导套（11）上，导向套筒（11）可插入顶部连接板（4）中的孔（10），该孔对应于相应的顶套（7）。

公开(公告)号：US4298433A

公开(公告)日：1981-11-03

申请号：US22547

申请日：1979-03-21

申请人： Bo Kinnander ,  Torstein Landa ,  Ragnar Mansson

发明人： Bo Kinnander ,  Torstein Landa ,  Ragnar Mansson

IPC分类号： G21C15/02 ,  G21C13/02 ,  G21C15/00

CPC分类号： G21C13/02 ,  Y02E30/40 ,  Y10T137/86348

摘要： A nuclear reactor assembly including a substantially cylindrically-shaped and vertically extending pressure vessel. A uniquely constructed bracket assembly is arranged for mounting a water distributor against an inner wall of the cylindrically-shaped pressure vessel, with the bracket assembly including a spring assembly capable of biasing an inlet conduit of the water distributor into abutting contact with an inlet nozzle extending through a wall of the pressure vessel.

摘要翻译： 一种核反应堆组件，包括大致圆柱形和垂直延伸的压力容器。 布置了独特构造的支架组件，用于将水分配器安装在圆柱形压力容器的内壁上，支架组件包括弹簧组件，该弹簧组件能够使水分配器的入口导管偏压与入口喷嘴延伸 通过压力容器的墙壁。

公开(公告)号：US4093513A

公开(公告)日：1978-06-06

申请号：US607612

申请日：1975-08-25

申请人： Tadeusz Berens ,  Ragnar Mansson

发明人： Tadeusz Berens ,  Ragnar Mansson

IPC分类号： G21C1/08 ,  G21C13/00 ,  G21C15/18 ,  G21C15/00

CPC分类号： G21C15/18 ,  G21C1/08 ,  Y02E30/40

摘要： In a water moderated reactor, which has a plurality of vertically arranged fuel assemblies enclosed in a moderator tank provided with a cover and positioned by an upper core grid, a sprinkling device is arranged above the core grid and below the cover. The sprinkling device is composed of a plurality of substantially horizontal main sprinkling tubes each provided with a plurality of nozzles. A common distributing pipe supplies sprinkling water to the main sprinkling tubes. There are a auxiliary tubes above the main sprinkling tubes and connected to them hydraulically and mechanically by a plurality of transverse metal tubes. The cover has a detachable lower part in the form of a ring to which the sprinkling device is connected.

摘要翻译： 在具有多个垂直布置的燃料组件的水缓和反应器中，其包括设置有盖的调节罐并由上部芯格定位，在核心格栅上方和盖下方布置有喷洒装置。 喷洒装置由多个基本上水平的主喷洒管组成，每个喷洒管均设有多个喷嘴。 普通的分配管道为主喷洒管提供洒水。 在主喷洒管上方有一个辅助管，并通过多个横向金属管液压和机械连接。 盖具有连接喷洒装置的环的形式的可拆卸下部。

公开(公告)号：US5096660A

公开(公告)日：1992-03-17

申请号：US606924

申请日：1990-10-31

申请人： Olof Hembjer ,  Ragnar Mansson ,  Olov Nylund

发明人： Olof Hembjer ,  Ragnar Mansson ,  Olov Nylund

IPC分类号： G21C3/34 ,  G21C3/322

CPC分类号： G21C3/322 ,  G21Y2002/201 ,  G21Y2002/302 ,  G21Y2004/30 ,  G21Y2004/302 ,  Y02E30/38

摘要： A fuel assembly in the form of an elongated channel having several corners is connected to a coolant intended to flow through the channel. A bundle of similarly elongated fuel rods, retained by a plurality of spacers, is arranged in the channel, and arranged in the upper part of the fuel assembly, at least between a pair of spacers, is a sleeve formed of a sheet around the bundle. The sleeve has an external shape which conforms closely to the walls of the fuel assembly and is perforated by a large number of openings, the total surface of which is at least as large as the sheet surface remaining on one side of the sleeve.

公开(公告)号：US4671926A

公开(公告)日：1987-06-09

申请号：US664290

申请日：1984-10-24

申请人： Arne Broberg ,  Ragnar Mansson

发明人： Arne Broberg ,  Ragnar Mansson

IPC分类号： G21C3/33 ,  G21C3/334 ,  G21C15/00

CPC分类号： G21C3/334 ,  Y02E30/40

摘要： A fuel assembly for a boiling water reactor has a bundle of fuel rods consisting of a top tie plate and a bottom part which, together with a plurality of fuel rods, constitutes a rigid unit. The fuel rod bundle is surrounded by a fuel channel (1), to which there is attached a fixing member (2) cast in stainless steel. The fixing member (2) is attached to a vertical projection (3), extending from the top tie plate, by means of a bolt (4) which is loaded with a tensile force and a sleeve (10) which is loaded with a compressive force and which surrounds the bolt and is arranged in the fixing member, the coefficients of thermal expansion of the bolt and the sleeve being less than that of the fixing member.

摘要翻译： 用于沸水反应器的燃料组件具有由顶部连接板和底部组成的燃料棒束，其与多个燃料棒一起构成刚性单元。 燃料棒束被燃料通道（1）围绕，燃料通道（1）附接有以不锈钢铸造的固定构件（2）。 固定构件（2）通过装有拉力的螺栓（4）和套筒（10）从顶部连接板延伸的垂直突起（3）附接，套筒（10）装载有压缩 并且围绕螺栓并且布置在固定构件中，螺栓和套筒的热膨胀系数小于固定构件的热膨胀系数。