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31. 发明公开

EP3032541A1 A FUEL ELEMENT AND A METHOD OF MANUFACTURING A FUEL ELEMENT FOR A FUEL ASSEMBLY OF A NUCLEAR REACTOR 有权
标题翻译：维多利亚州瑞士圣诞老人品牌BRENNEMENTFÜREINKERNREAKTORBRENNSTABBÜNDEL
公开(公告)号：EP3032541A1
公开(公告)日：2016-06-15
申请号：EP16153633.9
申请日：2008-12-25
申请人： Thorium Power, Inc.
发明人： Bashkirtsev, Sergey Mikhailovich , Kuznetsov, Valentin Fedorovich , Kevrolev, Valery Vladimirovich , Morozov, Alexey Glebovich
IPC分类号： G21C3/326 , G21C3/02 , G21C1/00 , G21C1/02 , G21C3/33 , G21C3/60 , G21C5/20
CPC分类号： G21C3/02 , G21C1/024 , G21C3/326 , G21C3/3305 , G21C3/60 , G21C5/20 , G21C2003/3265 , Y02E30/32 , Y02E30/38
摘要： The present invention provides a fuel element for use in a fuel assembly of a nuclear reactor and a method of manufacturing such a fuel element. The fuel element comprises a kernel that includes enriched uranium or plutonium; and a cladding enclosing the kernel, wherein the fuel element has a four-lobed profile that forms spiral ribs, and the spiral ribs have a pitch of axial twist of between 5% and 30% of a length of the fuel element.
摘要翻译：本发明提供了用于核反应堆的燃料组件的燃料元件和制造这种燃料元件的方法。燃料元件包括含有浓缩铀或钚的核; 以及包围所述核的包层，其中所述燃料元件具有形成螺旋肋的四裂片轮廓，并且所述螺旋肋具有在所述燃料元件的长度的5％至30％之间的轴向扭转节距。

32. 发明公开

EP2648188A4 DEBRIS FILTER 有权
标题翻译：沉积滤光
公开(公告)号：EP2648188A4
公开(公告)日：2016-05-18
申请号：EP11845608
申请日：2011-11-25
申请人： NUCLEAR FUEL IND LTD
发明人： OWAKI MASAO , KAWANO TOMOMI , KUBO YUICHIRO , MIZUTANI YOSHITAKA , OZAKI TETSUHIRO
IPC分类号： B01D29/01 , B01D29/03 , G21C3/32 , G21C3/322 , G21C3/33 , G21C19/307
CPC分类号： B01D29/01 , B01D29/03 , G21C3/3206 , G21C3/322 , G21C3/3305 , G21C19/307 , Y02E30/38

33. 发明公开

EP2710598A1 LOWER NOZZLE FOR USE IN NUCLEAR FUEL ASSEMBLY 有权转让
标题翻译：在德语中，Düsezur Verwendung在einemKernbrennstabbündel
公开(公告)号：EP2710598A1
公开(公告)日：2014-03-26
申请号：EP12719762.2
申请日：2012-05-11
申请人： Areva NP
发明人： BLAVIUS, Dirk , FRIEDRICH, Erhard , MEIER, Werner
IPC分类号： G21C3/32 , G21C3/33 , G21C3/322
CPC分类号： G21C3/3206 , G21C3/322 , G21C3/3305 , Y02E30/40
摘要： The lower nozzle (12) is of the type having an axis (A-A) and comprising a transverse lower tie plate (16) for channelling the coolant through the lower tie plate (16) and a tubular skirt (18) extending axially from the periphery of the lower tie plate (16), the skirt (18) delimiting an axial housing (24) closed at one end by the lower tie plate (16) and open at the opposite end, a debris filter (20) configured for axial insertion in the housing (24) and snap-fit springs (38) for retaining the debris filter (20) in the housing (24) after insertion. The springs (38) are configured to shift the debris filter (20) axially towards the lower tie plate (16).
摘要翻译：下喷嘴（12）是具有轴线（AA）的类型，并且包括用于将冷却剂引导通过下连接板（16）的横向下拉板（16）和从周边轴向延伸的管状裙部（18）所述裙部（18）限定一个轴向壳体（24），所述轴向壳体（24）在一端由所述下部连接板（16）封闭并且在相对端处敞开;碎屑过滤器（20）被构造成用于轴向插入在壳体（24）和用于在插入之后将碎屑过滤器（20）保持在壳体（24）中的卡合弹簧（38）。弹簧（38）构造成使碎屑过滤器（20）沿轴向朝向下连接板（16）移动。

34. 发明公开

EP2613322A1 Fuel assembly for a BWR with releasable fasteners between the transition piece and the bottom end-piece 有权
标题翻译：用于与可释放的紧固一个BWR燃料组件中的接地和过渡件之间指
公开(公告)号：EP2613322A1
公开(公告)日：2013-07-10
申请号：EP12305021.3
申请日：2012-01-06
申请人： Areva NP
发明人： Schafer, Jens , Kronenberg, Juris , Friedrich, Erhard , Blavius, Dirk
IPC分类号： G21C3/10 , G21C3/12 , G21C3/14
CPC分类号： G21C3/3305 , Y02E30/40
摘要： The present invention relates to a nuclear fuel assembly (1) for a nuclear boiling water reactor comprising :
- a bottom end-piece (3), a top end-piece (4), a bundle of fuel rods (5) extending along a longitudinal direction (L) between the bottom end-piece (3) and the top end-piece (4);
- a fuel channel (10) surrounding the bundle of fuel rods (5) ; and
- a transition piece (16) extending the fuel channel (10) longitudinally downwardly for fitting into a lower core plate (2) of the nuclear boiling water reactor,

characterized in that the bottom end-piece (3) and the transition piece (16) comprise releasable complementary fasteners and are releasably fastened to one another through the releasable complementary fasteners.
摘要翻译：本发明涉及一种核燃料组件（1）用于核沸腾水反应器包括： - 一个下端件（3），顶端部件（4），一个燃料棒束（5）沿着一个延伸底端件（3）和顶部端件之间的纵向方向（L）（4）; - 燃料通道（10）周围的燃料棒束（5）; 和 - 一个过渡件（16）延伸的燃料通道（10）纵向向下用于装配到下部炉心板（2）的核沸水反应堆的，在DASS特点死下端件（3）和所述过渡件（ 16）包括可释放的紧固件互补和可释放地固定到彼此通过可释放的互补紧固件。

35. 发明公开

EP2591474A2 BWR NUCLEAR FUEL ASSEMBLY WITH SNAP-IN SLEEVE SPRING 有权转让
标题翻译：通过释放套筒弹簧BWR燃料组件
公开(公告)号：EP2591474A2
公开(公告)日：2013-05-15
申请号：EP11729326.6
申请日：2011-07-06
申请人： Areva NP
发明人： KURZER, Klaus , FRIEDRICH, Erhard , BLAVIUS, Dirk , BLOCK, Bernd
IPC分类号： G21C3/33 , G21C5/06
CPC分类号： G21C3/3305 , G21C3/33 , G21C3/331 , G21C5/06 , Y02E30/40
摘要： The invention relates to a nuclear fuel assembly for a boiling water reactor comprising a base (2), a head, and a bundle of full length fuel rods and partial length fuel rods (11), said bundle extending upwardly and longitudinally from the base (2) to the head, the nuclear fuel assembly (1) comprising at least one clamp (33) for longitudinally retaining a lower plug (13) of a partial length fuel rod (11) with respect to the base (2). The clamp (33) is an additional part fitted to the base (2), the clamp (33) is at least partially received in a housing (30) provided in the base (2), and the clamp (33) is assembled to the base (2) by mechanical engagement of complementary assembly means.

36. 发明公开

EP2525361A1 Lower nozzle for use in nuclear fuel assembly 审中-公开
标题翻译：在EinemKernbrennstoffbündel的Düsezur Verwendung
公开(公告)号：EP2525361A1
公开(公告)日：2012-11-21
申请号：EP11305616.2
申请日：2011-05-20
申请人： Areva NP
发明人： Blavius, Dirk , Friedrich, Erhard , Meier, Werner
IPC分类号： G21C3/32 , G21C3/33 , G21C3/322
CPC分类号： G21C3/3206 , G21C3/322 , G21C3/3305 , Y02E30/40
摘要： The lower nozzle (12) is of the type having an axis (A-A) and comprising a transverse lower tie plate (16) for channelling the coolant through the lower tie plate (16) and a tubular skirt (18) extending axially from the periphery of the lower tie plate (16), the skirt (18) delimiting an axial housing (24) closed at one end by the lower tie plate (16) and open at the opposite end, a debris filter (20) configured for axial insertion in the housing (24) and snap-fit springs (38) for retaining the debris filter (20) in the housing (24) after insertion. The springs (38) are configured to shift the debris filter (20) axially towards the lower tie plate (16).
摘要翻译：下喷嘴（12）是具有轴线（AA）的类型，并且包括用于将冷却剂引导通过下连接板（16）的横向下拉板（16）和从周边轴向延伸的管状裙部（18）所述裙部（18）限定一个轴向壳体（24），所述轴向壳体（24）在一端由所述下部连接板（16）封闭并且在相对端处敞开;碎屑过滤器（20）被构造成用于轴向插入在壳体（24）和用于在插入之后将碎屑过滤器（20）保持在壳体（24）中的卡合弹簧（38）。弹簧（38）构造成使碎屑过滤器（20）沿轴向朝向下连接板（16）移动。

37. 发明授权

EP2102870B9 EMBOUT INFERIEUR A DISPOSITIF ANTI-DEBRIS A CHICANE POUR ASSEMBLAGE DE COMBUSTIBLE NUCLEAIRE ET ASSEMBLAGE CORRESPONDANT 有权转让
标题翻译：具有抗存款片的核燃料组件和相关的设备支脚片
公开(公告)号：EP2102870B9
公开(公告)日：2012-09-19
申请号：EP07871793.1
申请日：2007-12-05
申请人： Areva NP
发明人： VERDIER, Michel , LABARRIERE, Eric
IPC分类号： G21C3/322
CPC分类号： G21C3/322 , G21C3/3206 , G21C3/3305 , Y02E30/38

38. 发明授权

EP1820196B1 BRENNELEMENT FÜR EINEN SIEDEWASSERREAKTOR 有权
标题翻译：燃料元件用于沸水反应堆
公开(公告)号：EP1820196B1
公开(公告)日：2012-09-12
申请号：EP05801282.4
申请日：2005-11-05
申请人： AREVA NP GmbH
发明人： FRIEDRICH, Erhard , LIPPERT, Hans-Joachim , RINK, Roland
IPC分类号： G21C3/33 , G21C5/06
CPC分类号： G21C3/3305 , G21C5/06 , G21Y2002/302 , G21Y2004/301 , Y02E30/40

39. 发明授权

EP1697946B1 EMBOUT D'EXTREMITE D'ASSEMBLAGE DE COMBUSTIBLE A MOYENS DE MAINTIEN DES EXTREMITES DES CRAYONS ET ASSEMBLAGE CORRESPONDANT 有权
标题翻译：燃料组件和尾有用于笔的维护和适当ASSEMBLY
公开(公告)号：EP1697946B1
公开(公告)日：2008-03-19
申请号：EP04805653.5
申请日：2004-12-07
申请人： Areva NP
发明人： LABARRIERE, Eric , BEATI, Angelo , BONNAMOUR, Michel
IPC分类号： G21C3/33
CPC分类号： G21C3/3305 , G21C3/322 , G21Y2002/101 , G21Y2004/301 , Y02E30/38
摘要： The end-piece comprises means for maintaining adjacent longitudinal ends (19) of substantially all fuel pencils (3). The maintaining means are disposed in nodes of the substantially regular network formed by the pencils.

40. 发明授权

EP1730748B1 BRENNELEMENT FÜR EINEN SIEDEWASSERREAKTOR 有权
标题翻译： BRENNELEMENTFÜREINEN SIEDEWASSERREAKTOR
公开(公告)号：EP1730748B1
公开(公告)日：2007-09-12
申请号：EP05715677.0
申请日：2005-03-03
申请人： AREVA NP GmbH
发明人： LIEBLER-RANZUS, Michael , FRIEDRICH, Erhard
IPC分类号： G21C3/322 , G21C5/06
CPC分类号： G21C3/3305 , G21C3/322 , Y02E30/31 , Y02E30/38
摘要： The invention relates to a fuel element, for a boiling-water reactor, comprising a water channel (4) and a fuel element base (6), made from a sieve plate (8) and a frame section (7) enclosing the same, whereby the water channel (4) supports a plug (17) with a drilling (16) running therethrough, at the lower end thereof, to which the fuel element base (6) is fixed. The embodiment of the fuel element further comprises an opening (14) through the sieve plate (8), a skirt (19), formed on the underside (18) of the plug (17), surrounding the drilling (16), extending into the opening (14) in the sieve plate (8), a bush (22), provided with a first and a second longitudinal section (23, 24), whereby the first longitudinal section (23) extends from the underside (27) of the sieve plate (8) into the opening (14) in a rotationally-fixed manner and a radial shoulder (25) is provided between both sections (23, 24) which contacts the underside (27) of the sieve plate (8). A threaded section (35) of a screw (34) extends through the bush (22) which engages in a thread in the drilling (16) in the plug (17).
摘要翻译：用于沸水反应堆的燃料元件技术领域本发明涉及一种用于沸水反应堆的燃料元件，其包括由筛板（8）和包围其的框架部分（7）制成的水通道（4）和燃料元件基座（6）由此水通道（4）在其下端固定有燃料元件基座（6）的带有穿过其中的钻孔（16）的插塞（17）。燃料元件的实施例还包括穿过筛板（8）的开口（14），形成在插塞（17）的下侧（18）上的围绕钻孔（16）延伸的裙部（19）（8）中的开口（14），设有第一和第二纵向部分（23,24）的衬套（22），其中第一纵向部分（23）从第一和第二纵向部分（23,24）的下侧在与筛板（8）的下侧（27）接触的两个部分（23,24）之间设置旋转固定地将筛板（8）插入开口（14）中并且径向台肩（25）。螺钉（34）的螺纹部分（35）延伸穿过衬套（22），该衬套啮合插塞（17）中的钻孔（16）中的螺纹。

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