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    • 3. 发明申请
    • FUEL ASSEMBLY AND SPACER WITH A REINFORCEMENT PART FOR A NUCLEAR REACTOR
    • 燃料组件和间隙与核反应堆的加固部分
    • WO1995034899A1
    • 1995-12-21
    • PCT/SE1995000564
    • 1995-05-18
    • ABB ATOM ABANDERSSON, Ingmar
    • ABB ATOM AB
    • G21C03/34
    • G21C3/34G21Y2002/302G21Y2002/50G21Y2004/304Y02E30/40
    • A fuel assembly (1) for a light-water nuclear reactor and a spacer (7), arranged therein, with a reinforcement part in which the spacer (7) is intended to retain elongated elements (3, 9) at a plurality of levels. The spacer (7) comprises an orthogonal lattice composed of spacer cells (7a) and at the downstream and/or upstream edge of the spacer (7) there is arranged a reinforcement part (8) which comprises a first system of band elements (8b), standing on edge, with a distance between them corresponding to at least one rod pitch, and a second system of crossed band elements (8c), disposed perpendicularly to the first system, with a corresponding distance between them forming reinforcement cells (8a).
    • 一种用于轻水核反应堆和间隔件(7)的燃料组件(1),其布置在其中,具有加强部分,其中间隔件(7)旨在以多个级别保持细长元件(3,9) 。 间隔物(7)包括由间隔电池(7a)构成的正交晶格,并且在间隔物(7)的下游和/或上游边缘处设置有加强部分(8),该加强部分包括第一系统的带元件 ),其边缘彼此相对应于至少一个杆间距,以及垂直于第一系统设置的交叉带元件(8c)的第二系统,它们之间的相应距离形成加强室(8a) 。
    • 7. 发明申请
    • FUEL ELEMENT FOR A COMPRESSED WATER NUCLEAR REACTOR
    • 燃料元件用于加压水核反应堆
    • WO2005013286A3
    • 2005-06-23
    • PCT/EP2004008041
    • 2004-07-19
    • FRAMATOME ANP GMBHSTABEL JUERGENMARX VEIT
    • STABEL JUERGENMARX VEIT
    • G21C3/332G21C3/34
    • G21C3/34G21C3/332G21Y2002/104G21Y2002/305Y02E30/40
    • The invention relates to a fuel element for a compressed water nuclear reactor. Said fuel element contains a plurality of fuel rods that are guided into a plurality of axially interspaced spacers (4) respectively forming a quadratic grid consisting of connecting elements (141-17, 161-17) and comprising a plurality of holes (6) that are arranged in rows (10) and columns (8). A control rod guiding tube (12) is respectively guided through a number of said holes (6), and the spacer (4) is structurally embodied in such a way that when a limiting force acting laterally on the spacer (4) is exceeded, a deformation is triggered exclusively in a region of the spacer (4) located outside an inner region (18) containing the control rod guiding tubes (12).
    • 用于加压水核反应堆的燃料组件包含多个燃料棒,它们被在多个轴向间隔开间隔物(4)的引导下,每一个由格网的(141-17,161-17)内置方形网格具有多个网孔(6) 形式,其被排列成行(10)和柱(8)。 由针数(6)是在每种情况下一个控制棒导向管(12)通过,其中所述间隔物(4)在结构上设计成使得上超过一个横向上的间隔物(4),其作用在间隔物的区域的最后的限制力变形 (4)开始,将含有控制棒导管(12)(18)的外部的内部区域。
    • 10. 发明申请
    • HIGH TEMPERATURE STRENGTH, CORROSION RESISTANT, ACCIDENT TOLERANT NUCLEAR FUEL ASSEMBLY GRID
    • 高温强度,耐腐蚀性,易燃核燃料组件
    • WO2015050636A1
    • 2015-04-09
    • PCT/US2014/051197
    • 2014-08-15
    • WESTINGHOUSE ELECTRIC COMPANY LLC
    • XU, PengLAHODA, Edward J.
    • G21C3/34
    • G21C3/34G21C3/32G21C3/3305G21C21/00Y02E30/40
    • The invention pertains to a nuclear fuel assembly grid or a portion or a part of the grid, such as a grid strap and/or an integral flow mixer that is at least partially constructed of a composition containing one or more ternary compounds of the general formula I: Mn+1AXn wherein, M is a transition metal, A is an element selected from the group A elements in the Chemical Periodic Table, X is carbon or nitrogen, and n is an integer from 1 to 3. The invention further pertains to a method of making the nuclear fuel assembly grid or a portion of a part of the grid, by employing a sintering process to sinter the composition containing one or more ternary compounds in powder form such that the resulting grid or a portion of or a part of the grid includes a plurality of sintered layers
    • 本发明涉及核燃料组件网格或网格的一部分或部分,例如网格带和/或整体式流动混合器,其至少部分地由含有一种或多种通式的三元化合物的组合物构成 I:Mn + 1AXn其中,M是过渡金属,A是选自化学周期表中的A族元素的元素,X是碳或氮,n是1至3的整数。本发明还涉及 一种通过采用烧结方法来制造含有一种或多种粉末形式的三元化合物的组合物来制造核燃料组合栅格或栅格的一部分的方法,使得所得到的栅格或部分或部分 栅格包括多个烧结层