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1. 发明申请

US20090196392A1 Core Of A Boiling Water Reactor 审中-公开
标题翻译：沸水堆的核心
公开(公告)号：US20090196392A1
公开(公告)日：2009-08-06
申请号：US12101250
申请日：2008-04-11
申请人： Junichi MIWA , Renzo Takeda , Takeshi Mitsuyasu , Kumiaki Moriya
发明人： Junichi MIWA , Renzo Takeda , Takeshi Mitsuyasu , Kumiaki Moriya
IPC分类号： G21C3/326
CPC分类号： G21C3/326 , G21C5/00 , Y02E30/31 , Y02E30/38
摘要： A core of a boiling water reactor as a burner type core of the boiling water reactor having a ratio of 3 or more of number of fuel assemblies loaded in the core to number of control rods installed in the nuclear reactor and using an oxide of low enriched uranium having a mean enrichment of the fuel assemblies of 3 wt % to 8 wt % or a mixed oxide having a mean fissile plutonium enrichment of the fuel assemblies of 2 wt % to less than 7 wt %, wherein a ratio of an inner width of a channel box of the fuel assemblies to a width of 0.79 to 0.865, and a mean thickness of the channel box of the fuel assemblies is 2.10 to 3.55 mm.
摘要翻译：作为沸水反应器的燃烧器型核心的沸水反应堆的核心，其中装载在核心中的燃料组件的数量与安装在核反应堆中的控制棒的数量的比例为3以上，并且使用低浓度的氧化物具有3重量％至8重量％的燃料组件的平均富集的铀或具有2重量％至小于7重量％的燃料组件的平均易裂变钚富集的混合氧化物，其中，燃料组件的通道箱宽度为0.79至0.865，并且燃料组件的通道箱的平均厚度为2.10至3.55mm。

2. 发明申请

US20100034336A1 CORE OF LIGHT WATER REACTOR AND FUEL ASSEMBLY 有权
标题翻译：轻水反应堆和燃料组件的核心
公开(公告)号：US20100034336A1
公开(公告)日：2010-02-11
申请号：US12537452
申请日：2009-08-07
申请人： Renzo TAKEDA , Junichi MIWA , Kumiaki MORIYA
发明人： Renzo TAKEDA , Junichi MIWA , Kumiaki MORIYA
IPC分类号： G21C3/00
CPC分类号： G21C3/326 , G21C3/42 , G21C2003/3267 , Y02E30/38
摘要： A core of a light water reactor having a plurality of fuel assemblies, which are loaded in said core, having nuclear fuel material containing a plurality of isotopes of transuranium nuclides, an upper blanket zone, a lower blanket zone, and a fissile zone, in which the transuranium nuclides are contained, disposed between the upper blanket zone and the lower blanket zone; wherein a ratio of Pu-239 in all the transuranium nuclides contained in the loaded fuel assembly is in a range of 40 to 60% when burnup of the fuel assembly is 0; sum of a height of the lower blanket zone and a height of the upper blanket zone is in a range of 250 to 600 mm; and the height of said lower blanket zone is in a range of 1.6 to 12 times the height of the upper blanket zone.
摘要翻译：具有多个燃料组件的轻水反应堆的核心，其装载在所述芯体中，具有含有多个氮氧化物的多个同位素的核燃料材料，上覆层区域，下覆盖区域和裂变区域其中包含超氧化物核素，设置在上覆盖区域和下覆盖区域之间; 其中，当所述燃料组件的燃耗为0时，包含在所述装载的燃料组件中的所有超铀核素中的Pu-239的比率在40至60％的范围内; 下橡皮布区域的高度和上覆层区域的高度之和在250至600mm的范围内; 并且所述下覆盖带的高度在上毯区的高度的1.6至12倍的范围内。

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