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1. 发明专利

JP2004317522A Fuel assembly 审中-公开
公开(公告)号：JP2004317522A
公开(公告)日：2004-11-11
申请号：JP2004178396
申请日：2004-06-16
申请人： Toshiba Corp , 株式会社東芝
发明人： KATO TATSUMA , FUKAMICHI KENJIRO , YAMADA YUJI , SATO MAKOTO , SHIMAZU TADAAKI , TANABE TOMOJI , MATSUMURA HIROTOSHI , MATSUNAGA KEIJI , OKUDA TAKESHI
IPC分类号： G21C5/06 , G21C3/30 , G21C15/02
CPC分类号： Y02E30/40
摘要： PROBLEM TO BE SOLVED: To provide a fuel assembly for minimizing a pressure loss and preventing the passage of a linear or a strip of foreign objects mixed in a coolant.
SOLUTION: In the fuel assembly 50 for a nuclear reactor having a plurality of fuel rods 51, an upper tie plate 53 and a lower tie plate 52 for supporting the upper/lower ends of the fuel rods 51, the fuel assemblies 50 have a filter 20a for capturing solid foreign objects 4 contained in the coolant at the inlet side of the fuel assemblies 50, a plurality of through holes 3 formed at the filter 20a have a curved section for getting an unobstructed view of an outlet from the inlet in a straight line, and further the plurality of through holes 3 are arranged in a zigzag lattice shape on a channel opening surface.
COPYRIGHT: (C)2005,JPO&NCIPI

2. 发明专利

JP2011183502A End surface processing device and end surface processing method of cylindrical structure 审中-公开
标题翻译：端面加工装置和圆柱结构的端面加工方法
公开(公告)号：JP2011183502A
公开(公告)日：2011-09-22
申请号：JP2010050946
申请日：2010-03-08
申请人： Toshiba Corp , 株式会社東芝
发明人： KOMOTORI TAKESHI , MOTOKI HIDEO , MATSUMURA HIROTOSHI , SUDO KAZUO , TOKUNAGA YOSHIHARU
IPC分类号： B24B27/00 , B23K31/00 , B24B9/00 , B24B55/08 , G21C19/02
摘要： PROBLEM TO BE SOLVED: To provide an end surface processing technology of a cylindrical structure for applying accurate and smooth end surface processing to an upper end surface of the cylindrical structure using a guided grinder, using a guide tool device constituted by successively installing a plurality of guide tools in the peripheral direction of the cylindrical structure. SOLUTION: This invention is an end surface processing method of the cylindrical structure for performing the end surface processing on the upper end surface of the cylindrical structure 13 for installing the other cylindrical structure 12 by welding on the cylindrical structure 13 arranged in a reactor vessel 11. In this method, the guide tool device 20 having a plurality of guide tools 18 in an arc shape successively installed in a plan view, is arranged in the peripheral direction of the cylindrical structure 13, and a holding mechanism holding the grinder is movably arranged in the peripheral direction on a flange guide 21 formed at the top of the guide tool device 20, and a grinding wheel of the grinder rotatingly driven around the vertical axis is transferred in the peripheral direction while being guided by the guide tool device 20, and thereby, fabrication is performed by performing the end surface processing by grinding on the upper end surface of the cylindrical structure 13. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供圆柱形结构的端面加工技术，使用引导式研磨机将圆柱形结构的上端面精确平滑地进行加工，使用由连续安装构成的导向工具装置在圆柱形结构的圆周方向上的多个引导工具。解决方案：本发明是一种用于在圆筒形结构13的上端面进行端面加工的圆柱形结构的端面加工方法，用于通过焊接在另一圆柱形结构12上的圆柱形结构13上安装在这种方法中，在圆筒形结构13的圆周方向上布置有具有沿平面图连续安装的弧形状的多个导向工具18的导向工具装置20和保持磨床的保持机构沿圆周方向可移动地布置在形成在导向工具装置20的顶部的凸缘引导件21上，并且绕垂直轴旋转驱动的研磨机的砂轮在周向方向上被导向工具装置引导因此，通过在圆筒形结构体1的上端面进行研磨而进行端面加工，进行制造 3.版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2008200769A Under-fluid rotation machining device 有权
标题翻译：液下旋转加工装置
公开(公告)号：JP2008200769A
公开(公告)日：2008-09-04
申请号：JP2007036449
申请日：2007-02-16
申请人： Toshiba Corp , 株式会社東芝
发明人： KASAI SHIGERU , TSUJI KOICHI , SATO KATSUHIRO , WATANABE YUSUKE , MATSUMURA HIROTOSHI , MINAMI HIDEYUKI , MIYAZAKI SATORU , KURIHARA KENJI
IPC分类号： B23Q11/00 , B24B55/04
摘要： PROBLEM TO BE SOLVED: To provide an under-fluid rotation machining device, in which less bad effect of fluid flow generated by rotation of a tool is given to the tool, and chips generated during machining are efficiently gathered.
SOLUTION: The device is provided with: a tool 1 in a circular form to rotate around the rotation axis of a tool rotation shaft 3 provided at a center of the disc for machining a workpiece existing in a fluid; and a cover 2 covering the tool 1, and comprising opening parts 12a, 12b, and 12c partly or wholly around a machining part by the tool 1, around the tool rotation shaft 3, and to the outer circumferential surface of the tool.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种流体内旋转加工装置，其中通过工具旋转产生的流体流动的不良影响给予工具，并且有效地收集在加工期间产生的切屑。解决方案：该装置设置有：圆形的工具1，围绕设置在盘的中心的工具旋转轴3的旋转轴线旋转，用于加工存在于流体中的工件; 以及覆盖工具1的盖2，并且包括通过工具1围绕工具旋转轴3部分地或完全地围绕加工部分的开口部分12a，12b和12c以及工具的外圆周表面。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2011224690A Machining method for removing screw and machining apparatus therefor 审中-公开
标题翻译：用于拆卸螺丝及其加工装置的加工方法
公开(公告)号：JP2011224690A
公开(公告)日：2011-11-10
申请号：JP2010095198
申请日：2010-04-16
申请人： Toshiba Corp , 株式会社東芝
发明人： GOTO YU , MIYAZAKI SATORU , MATSUMURA HIROTOSHI , TOGASHI SHINJI
IPC分类号： B25B27/18
摘要： PROBLEM TO BE SOLVED: To provide a machining apparatus for removing a screw for promptly and reliably removing the screw even in water remotely, by reducing a swarf amount with a minimum work, while biting has occurred at a screwing part between a male screw and a female screw and thereby causing the screws to fix.SOLUTION: The machining apparatus for removing the screw is provided for removing the male screw 1 on which a head 1a and a thread part 1b are integrally formed, the thread part 1b being fixed to a member to be fasten. The apparatus includes: a vertical slit-forming means 10 for forming a vertical slit along an axis direction of the head 1a and the thread part 1b, remaining part of the head 1a; and a horizontal slit-forming means for forming a horizontal slit on a neck bottom of the head 1a and the thread part 1b vicinity of the neck bottom in the vertical slit, by turning around the axis from inside.
摘要翻译：要解决的问题：为了提供一种用于去除螺钉的加工装置，即使在远程的水中也可以迅速地可靠地除去螺钉，通过以最小的工作减少切屑量，同时在男性之间的螺纹部分发生咬合螺钉和内螺纹，从而使螺钉固定。解决方案：用于去除螺钉的加工装置用于去除头部1a和螺纹部分1b整体形成的外螺纹1，螺纹部分1b固定在要固定的构件上。该装置包括：垂直狭缝形成装置10，用于沿着头部1a的轴线方向和螺纹部分1b形成垂直狭缝，剩余部分是头部1a; 以及水平狭缝形成装置，用于通过从内侧转动轴线，在头部1a的颈部底部和垂直狭缝中的颈部底部的螺纹部1b附近形成水平狭缝。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2006038875A Fuel supporting attachment 审中-公开
标题翻译：燃油支持附件
公开(公告)号：JP2006038875A
公开(公告)日：2006-02-09
申请号：JP2005254982
申请日：2005-09-02
申请人： Toshiba Corp , 株式会社東芝
发明人： KATO TATSUMA , FUKAMICHI KENJIRO , YAMADA YUJI , SATO MAKOTO , SHIMAZU TADAAKI , TANABE TOMOJI , MATSUMURA HIROTOSHI , MATSUNAGA KEIJI , OKUDA TAKESHI
IPC分类号： G21C5/06 , G21C3/30 , G21C15/02
CPC分类号： Y02E30/40
摘要： PROBLEM TO BE SOLVED: To provide a fuel supporting attachment capable of preventing passing of a linear/strip foreign matter included in a coolant while minimizing the pressure loss.
SOLUTION: The fuel supporting attachment 60 for supporting a fuel assembly 50 for nuclear reactor including a plurality of fuel rods 51 and an upper tie plate 51 and a lower tie plate 52 supporting the upper and lower ends of the fuel rods 51 comprises a filter 20a catching a solid foreign matter 4 included in the coolant on the inlet side of the fuel assembly 50. A plurality of through holes 3 formed in the filter 20a have a bent portion by which the outlet portion cannot be straightly seen through from the inlet portion. The plurality of through-holes 3 are arranged zigzag in a passage opening surface.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种燃料支撑附件，其能够防止包括在冷却剂中的线性/带状异物通过，同时使压力损失最小化。解决方案：用于支撑用于核反应堆的燃料组件50的燃料支撑附件60包括多个燃料棒51和上连接板51以及支撑燃料棒51的上端和下端的下连接板52，包括：在燃料组件50的入口侧夹持包括在冷却剂中的固体异物4的过滤器20a。形成在过滤器20a中的多个通孔3具有弯曲部分，出口部分不能从第入口部分。多个通孔3在通道开口表面中以锯齿形排列。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2010184302A Working method for curved surface shape component 审中-公开
标题翻译：弯曲表面形状组件的工作方法
公开(公告)号：JP2010184302A
公开(公告)日：2010-08-26
申请号：JP2009028683
申请日：2009-02-10
申请人： Toshiba Corp , 株式会社東芝
发明人： MATSUMURA HIROTOSHI , KOMOTORI TAKESHI , KINUGASA KUNIHIKO , ONO YOSHIAKI , KATAYAMA KENJIRO
IPC分类号： B23C3/18 , B23C3/00
摘要： PROBLEM TO BE SOLVED: To efficiently machine a component having a curved shape such as a curved impeller made of metal at high accuracy.
SOLUTION: In the method, the component is positioned and worked at machining of the component (work) 1 having the curved impeller shape. Working of the deepest working target point is previously applied between mutually adjacent scallops of the component 1, a point where a curvature of the component is largest is previously calculated based on a line obtained by connecting mutual working coordinate points of mutually adjacent tool tracks generated by application, a working point for positioning an end mill as a working tool is set to the deepest point, and the end mill is positioned at a position of the working point and working is performed.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：以高精度有效地加工由金属制成的弯曲叶轮的弯曲形状的部件。解决方案：在该方法中，在具有弯曲叶轮形状的部件（工件）1的加工中，对部件进行定位和加工。先前在组件1的相互相邻的扇贝之间施加最深的工作目标点的工作，基于通过连接相互相邻的工具轨迹的相互工作坐标点而得到的线，预先计算部件的曲率最大的点，应用中，将端铣刀定位为作业工具的工作点设定在最深处，端铣刀位于工作点的位置并进行加工。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2007160406A Cutter 审中-公开
标题翻译：刀
公开(公告)号：JP2007160406A
公开(公告)日：2007-06-28
申请号：JP2005355689
申请日：2005-12-09
申请人： Toshiba Corp , 株式会社東芝
发明人： TSUJI KOICHI , KASAI SHIGERU , IWASA HIDESHI , WATANABE YUSUKE , KURIHARA KENJI , MATSUMURA HIROTOSHI , SATO KATSUHIRO
IPC分类号： B23H7/26
摘要： PROBLEM TO BE SOLVED: To provide a cutter which further reduce a work time in cutting work for piping laid out in a narrow area.
SOLUTION: In this cutter for cutting pipes 5, 6 disposed piercing a container 1, a cutting means body 13 includes: means 22, 23, 24 for positioning the cutting means body 13 along the sectional shapes of the pipes 5, 6 and moving the same; means 21a, 21b to 22 for holding and supporting the pipe to be cut; and means 14 to 17, 20 for feeding an electrode 18 to the pipes 5, 6 in cutting the pipes 5, 6 by discharge machining.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种切割器，其进一步减少在狭窄区域布置的管道的切割工作中的工作时间。解决方案：切割装置本体13包括：切割装置主体13，用于将切割装置主体13沿管5,6的截面形状定位的切割装置主体13 并移动相同; 用于保持和支撑要切割的管道的装置21a，21b至22; 以及用于在通过放电加工切割管5,6时将电极18供给到管5,6的装置14至17,20。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2003098284A FUEL INLET STRUCTURE, AND FUEL ASSEMBLY 审中-公开
公开(公告)号：JP2003098284A
公开(公告)日：2003-04-03
申请号：JP2002147853
申请日：2002-05-22
申请人： TOSHIBA CORP
发明人： KATO TATSUMA , FUKAMICHI KENJIRO , YAMADA YUJI , SATO MAKOTO , SHIMAZU TADAAKI , TANABE TOMOJI , MATSUMURA HIROTOSHI , MATSUNAGA KEIJI , OKUDA TAKESHI
IPC分类号： G21C3/33 , G21C3/30 , G21C5/06 , G21C15/02
摘要： PROBLEM TO BE SOLVED: To restrain a pressure loss to the minimum, and to preclude linear and/or band-like foreign matter(s) contaminated in a coolant from passing. SOLUTION: This fuel inlet structure 60 for introducing the coolant into a fuel assembly 50 for a light water reactor has a filter 20a for capturing the solid foreign matter 4 contained in the coolant in an upstream of the fuel assembly, the filter has plural through holes through which the coolant flows, and the each through hole has a curved part of an extent not allowing straight-line view from an inlet of the through hole to an outlet thereof.

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