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21. 发明专利

JP2009128349A Control rod 审中-公开
标题翻译：控制杆
公开(公告)号：JP2009128349A
公开(公告)日：2009-06-11
申请号：JP2007307434
申请日：2007-11-28
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社
发明人： WATANABE ATSUSHI , WADA YOICHI , KAWASHIMA NORIO , MACHIDA KOICHI
IPC分类号： G21C7/10 , G21C7/113
CPC分类号： Y02E30/31 , Y02E30/39
摘要： PROBLEM TO BE SOLVED: To provide a control rod capable of controlling a crack caused in a sheath.
SOLUTION: The control rod 1 has four blades 2 extended from a tie rod 4 in four directions. The blades 2 each have a sheath 6 having a U-shaped lateral cross-section and hafnium members 3U, 3L of a flattened ellipsoidal tube. Tabs 18 formed on the sheath 6 are individually welded and joined to the tie rod 4. A plurality of recesses 10 formed in the sheath 6 are individually positioned in contact with the side faces on both sides of the hafnium member 3U. The width G of gaps each formed between the side faces on both sides of the hafnium member 3U and the inner face of the sheath 6 facing the side faces is kept at 0.3 mm falling in the range of 0.2 mm
摘要翻译：要解决的问题：提供一种能够控制在护套中引起的裂纹的控制棒。解决方案：控制杆1具有在四个方向上从拉杆4延伸的四个叶片2。叶片2各自具有U形横截面的护套6和扁平的椭圆管的铪构件3U，3L。形成在护套6上的突片18分别焊接并连接到拉杆4.形成在护套6中的多个凹部10分别定位成与铪构件3U的两侧的侧面接触。在操作期间，在铪构件3U的两侧的侧面和面向侧面的护套6的内面之间形成的间隙宽度G保持为0.3mm，在操作期间落在0.2mm 版权所有（C）2009，JPO＆INPIT

22. 发明专利

JP2009063466A Modified abwr with eccs obliterated 审中-公开
标题翻译：具有ECCS的修改的ABWR
公开(公告)号：JP2009063466A
公开(公告)日：2009-03-26
申请号：JP2007232196
申请日：2007-09-07
申请人： Toshihisa Shirakawa , 白川利久
发明人： SHIRAKAWA TOSHIHISA
IPC分类号： G21C15/18 , F01D15/08 , F01K17/00 , G21C7/113 , G21C7/12 , G21C9/02 , G21D1/02 , G21D3/04
CPC分类号： Y02E30/31 , Y02E30/39
摘要： PROBLEM TO BE SOLVED: To improve the safety of a reactor and decrease costs by obliterating an ECCS through the modification of an ABWR.
SOLUTION: The ECCS to be installed in a licensed ABWR is obliterated. A pool (15) is modified into an internal condensate pool (102). A guard vessel (108) is installed. Upward-pulled control rods (121) are manipulated by an in-vessel control rod drive mechanism (122). Turbine exhaust (2105) is forcibly sucked into a condensate tank (2103) by a sucker (2111). The cooling of the condensate tank (2103) is set at air cooling.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过修改ABWR来改善电抗器的安全性并降低成本。
解决方案：安装在许可ABWR中的ECCS被消除。池（15）被修改为内部冷凝池（102）。安装护罩（108）。向上拉动的控制杆（121）由容器内控制棒驱动机构（122）操纵。涡轮排气（2105）被吸盘（2111）强制吸入冷凝水箱（2103）。冷凝罐（2103）的冷却被设定为空气冷却。版权所有（C）2009，JPO＆INPIT

23. 发明专利

JP2008164533A Control rod for reactor 审中-公开
标题翻译：反应器控制杆
公开(公告)号：JP2008164533A
公开(公告)日：2008-07-17
申请号：JP2006356661
申请日：2006-12-28
申请人： Toshiba Corp , 株式会社東芝
发明人： NAKAMURA MITSUHARU , TSUMITA KOSAKU , YOSHIOKA KENICHI , KANO YOSHIJI , TAJIMA TOMOKO , UEDA KIYOSHI
IPC分类号： G21C7/113 , G21C7/10
CPC分类号： Y02E30/39
摘要： PROBLEM TO BE SOLVED: To provide a control rod for a reactor capable of showing excellent functions on a clevis countermeasure of a hafnium-stainless steel in a tip structure part, a rigidity mitigation countermeasure of a flat tube or the like, and a sheath impact body countermeasure at an earthquake time or the like, and heightening safety from water-chemical and mechanical viewpoints.
SOLUTION: A neutron absorbing element which is the nearest to the tip structure material side has a configuration having a through cutting part having a core water flowing space inside, and having a connection part connectable mutually to the insertion tip side between the tip structure material side, wherein the connection part is formed through either body of the tip structure material and the neutron absorbing element; and an insertion locking part provided on the other side, and inserted into the through cutting part to be locked.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于能够在尖端结构部分中对铪 - 不锈钢的U形夹具的优异功能的反应器控制棒，扁平管等的刚性缓解对策，以及在地震时间等的护套冲击体对策，提高水化学和机械观点的安全性。解决方案：最靠近尖端结构材料侧的中子吸收元件具有一个具有贯通切割部分的构造，该切割部分在内部具有芯水流动空间，并且具有连接部分，该连接部分可相对于尖端结构材料侧，其中连接部分通过尖端结构材料的主体和中子吸收元件形成; 以及设置在另一侧的插入锁定部，并且插入到贯穿切割部中以被锁定。版权所有（C）2008，JPO＆INPIT

24. 发明专利

JP2007205734A Core of high converter bwr by void reactivity coefficient positive suppression material loading 审中-公开
标题翻译：高转换器BWR通过无效反应系数系数积极抑制材料加载
公开(公告)号：JP2007205734A
公开(公告)日：2007-08-16
申请号：JP2006021692
申请日：2006-01-31
申请人： Toshihisa Shirakawa , 白川利久
发明人： SHIRAKAWA TOSHIHISA
IPC分类号： G21C15/02 , G21C3/326 , G21C3/62 , G21C7/10 , G21C7/113
CPC分类号： Y02E30/31 , Y02E30/38 , Y02E30/39
摘要： PROBLEM TO BE SOLVED: To prevent a void reactivity coefficient from becoming positive, when acquiring a high converter by improving the core of a BWR (boiling water reactor) in operation at present.
SOLUTION: Aluminum-fluorine zircaloy tube row 200 is arranged around a dense nuclear fuel assembly 130, and slow neutrons are not decelerated in a normal operation but fast neutrons are decelerated at a coolant flow decrease accident.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了防止空穴反应性系数变为正，当通过改进目前操作的BWR（沸水反应器）的核获取高转炉时。解决方案：铝 - 氟锆石管排200布置在密集的核燃料组件130周围，并且慢中子在正常操作中不减速，但快中子在冷却剂流量减少事故下减速。版权所有（C）2007，JPO＆INPIT

25. 发明专利

JP2007183267A Absorber tube for bwr control rod 有权
标题翻译：吸管用于BWR控制杆
公开(公告)号：JP2007183267A
公开(公告)日：2007-07-19
申请号：JP2006350900
申请日：2006-12-27
申请人： General Electric Co , ゼネラル・エレクトリック・カンパニイGeneral Electric Company
发明人： NELSON DENNIS S , STUDER STEPHEN J
IPC分类号： G21C7/113
CPC分类号： G21C7/113 , G21Y2002/302 , G21Y2002/304 , Y02E30/31 , Y02E30/39
摘要： PROBLEM TO BE SOLVED: To provide a control rod (100) having a plurality of elongate members (200) for absorbing (250) neutrons in a nuclear reactor in order to control a nuclear reaction. SOLUTION: Each elongate member can be equipped with a cylindrical internal capsule (201) constituted so as to store a neutron absorbing material inside. The elongate member can be equipped with an absorber tube T enclosing the cylindrical internal capsule. The absorber tube has the external surface constituted of a plurality of approximately flat planar side parts (400) between each adjacent rounded corner part (500). COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有多个细长构件（200）的控制杆（100），用于在核反应堆中吸收（250）中子，以便控制核反应。解决方案：每个细长构件可以配备有构造成在其内部存储中子吸收材料的圆柱形内部胶囊（201）。细长构件可以配备有封闭圆柱形内部胶囊的吸收管T。吸收管具有在每个相邻的圆角部分（500）之间由多个近似平坦的平面侧部分（400）构成的外表面。版权所有（C）2007，JPO＆INPIT

26. 发明专利

JP2005227048A Control rod for nuclear reactor 审中-公开
标题翻译：核反应堆控制棒
公开(公告)号：JP2005227048A
公开(公告)日：2005-08-25
申请号：JP2004034301
申请日：2004-02-10
申请人： Toshiba Corp , 株式会社東芝
发明人： TSUMITA KOSAKU , MORISHITA HIDEKI , KOMOTORI TAKESHI , TAJIMA TOMOKO
IPC分类号： G21C7/113 , G21D1/00
CPC分类号： Y02E30/39
摘要： PROBLEM TO BE SOLVED: To provide a control rod for a nuclear reactor with a support structure for a guide body with no fear of increasing the risk of stress corrosion cracking.
SOLUTION: A guide mechanism is provided on the surface side of a control rod body 1 for smoothly driving peripheral members. The guide mechanism is equipped with a guide body 5 disposed in a hole part formed in the rod body and projecting to the surface side, and a guide body support member 7 for supporting the guide body on the rod body while itself being fixedly held in a control rod in a non-rotative manner. A mechanical constraint means is used as a means 23 for fixing and holding the support member 7 onto the control rod.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供具有用于引导体的支撑结构的用于核反应堆的控制棒，而不用担心增加应力腐蚀开裂的风险。解决方案：在控制杆主体1的表面侧设置有引导机构，用于平滑地驱动周边部件。引导机构配备有设置在形成在杆体中并突出到表面侧的孔部中的引导体5和用于将引导体支撑在杆体上的引导体支撑构件7，其本身被固定地保持在控制棒以非旋转方式。机械约束装置用作将支撑构件7固定并保持在控制杆上的装置23。版权所有（C）2005，JPO＆NCIPI

27. 发明专利

JP2003185777A METHOD OF MANUFACTURING FOR CONTROL ROD FOR BOILING WATER REACTOR AND CONTROL ROD FOR BOILING WATER REACTOR 审中-公开
公开(公告)号：JP2003185777A
公开(公告)日：2003-07-03
申请号：JP2001383262
申请日：2001-12-17
申请人： HITACHI LTD
发明人： NAKAYAMA MICHIO , SETO TAKEHIRO , GOTO NORIAKI , ADACHI SHOJI
IPC分类号： G21C7/113 , B23K26/24 , B23K26/32 , B23K33/00 , G21C1/04 , G21C7/06 , G21C7/10 , G21C21/00
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a control rod for a boiling water reactor capable of facilitating manufacture and reducing manufacturing costs, and a control rod for a boiling water reactor manufactured by the method. SOLUTION: The method of manufacturing the control rod 1 for a boiling water reactor, having a tie rod 4, a handle 5 mounted to the axially upper portion of the tie rod 4, a drop speed limiter 6 mounted to the axially lower portion of the tie rod 4, and a sheath 8, includes forming the tie rod 4 having at the tip 4a of each side thereof a stepped level part 4b for locking the sheath 8; fitting a projecting part 8a of the sheath 8 into the stepped level part 4b; and applying a YAG laser beam 23 while the projecting part is held fitted therein, in such a manner that the position of the beam axis 23A deviates from the position of an end face 4b 1 of the tie rod stepped level part 4b toward the tie rod axis 4A, thereby performing laser welding such that at least a portion is continuously welded in the longitudinal direction of the tie rod 4, to fix the sheath 8 to the tie rod 4. COPYRIGHT: (C)2003,JPO

28. 发明专利

JP3411466B2 失效
公开(公告)号：JP3411466B2
公开(公告)日：2003-06-03
申请号：JP7955597
申请日：1997-03-31
IPC分类号： G21C5/00 , G21C7/00 , G21C7/08 , G21C7/113

29. 发明专利

JP2003514239A 失效
公开(公告)号：JP2003514239A
公开(公告)日：2003-04-15
申请号：JP2001537074
申请日：2000-10-25
IPC分类号： G21C7/10 , G21C7/113

30. 发明专利

JP2002520575A 失效
公开(公告)号：JP2002520575A
公开(公告)日：2002-07-09
申请号：JP2000558522
申请日：1999-06-30
IPC分类号： G21C7/10 , G21C7/113

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