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1. 发明专利

JP2013015375A Reactivity suppression method for nuclear fuel and reactivity suppression device therefor 有权
标题翻译：核燃料的反应性抑制方法及其反应活性抑制装置
公开(公告)号：JP2013015375A
公开(公告)日：2013-01-24
申请号：JP2011147524
申请日：2011-07-01
申请人： Toshiba Corp , 株式会社東芝
发明人： SUZUKI ATSUSHI , HIRAYAMA HIROSHI , YOSHIDA HIROYUKI , JINBO MASAKAZU , OKONOGI KAZUNARI , YOSHIDA NORIYUKI , KUROSAWA MASAHIKO , MATSUNAGA KEIJI
IPC分类号： G21C9/033
CPC分类号： Y02E30/40
摘要： PROBLEM TO BE SOLVED: To provide a reactivity suppression technique for nuclear fuel which is effective for various conditions with the same method at the time of an accident event in a nuclear reactor.SOLUTION: At the time of an accident event, water sprinkling 18 is performed in a nuclear reactor pressure vessel 11 and neutron absorbers 20 insoluble in water are fed thereinto.
摘要翻译：要解决的问题：提供在核反应堆中事故事件时以相同方法对各种条件有效的核燃料的反应抑制技术。解决方案：在事故发生时，在核反应堆压力容器11中进行洒水18，将不溶于水的中子吸收体20送入。版权所有（C）2013，JPO＆INPIT

2. 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.

3. 发明专利

JP2000180583A IMPACT TEST PIECE HOLDER AND RELOADING METHOD FOR THE TEST PIECE USING IT 失效
公开(公告)号：JP2000180583A
公开(公告)日：2000-06-30
申请号：JP35946098
申请日：1998-12-17
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , TOSHIBA CORP
发明人： ISHII TAKASHI , MATSUNAGA KEIJI
IPC分类号： G21C17/00
摘要： PROBLEM TO BE SOLVED: To reload a spent test piece in a reactor pressure vessel with a state maintaining inert gas atmosphere. SOLUTION: A capsule body 18 inserted with a plurality of spent test pieces 1 in a row and sealed at both ends by plugs 19 and 20 is formed in cylinder shape so that deformation of the capsule body 18 by reactor water pressure is prevented without increasing the wall thickness of the capsule body 18 and the spent test pieces 1 preserved in the reactor pressure vessel are maintained in inert gas atmosphere.

4. 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

5. 发明专利

JPH0618694A INSTALLING STRUCTURE FOR INTERNAL PUMP 失效
公开(公告)号：JPH0618694A
公开(公告)日：1994-01-28
申请号：JP17680292
申请日：1992-07-03
申请人： TOSHIBA CORP
发明人： SAEKI KIYOBUMI , MATSUNAGA KEIJI , HORIGUCHI MASAHIRO , KOBAYASHI MASAHIRO
IPC分类号： G21C15/243
摘要： PURPOSE:To achieve higher reliability of a weld part by improving workability and inspection property of a weld part between a diameter-reducing part of a easing of an internal pump and the vicinity of a lower mirror of a nuclear pressure vessel. CONSTITUTION:A solid nozzle 23 is provided being turned downward on the underside of a lower mirror section 1a of a nuclear pressure vessel 1. A diameter-reducing part 19a of a casing 19 at the internal pump 4 is welded on the solid nozzle 23. A rib 25 is provided in the diameter-reducing part 19a and the rib 25 is used as seat to insert a support tube 26 into the solid nozzle 23. A pump shaft 21 is inserted into the solid nozzle 23.

6. 发明专利

JP2013015373A Method for inspecting inside nuclear reactor 有权
标题翻译：检查内核反应器的方法
公开(公告)号：JP2013015373A
公开(公告)日：2013-01-24
申请号：JP2011147522
申请日：2011-07-01
申请人： Toshiba Corp , 株式会社東芝
发明人： SUZUKI ATSUSHI , ABURA AKINORI , MATSUNAGA KEIJI , KINUGASA KUNIHIKO
IPC分类号： G21C17/003 , G21C19/02
摘要： PROBLEM TO BE SOLVED: To inspect inside a nuclear reactor pressure vessel without removing a shield plug, a top cover of a nuclear reactor containment vessel, and a top cover of the nuclear reactor pressure vessel, when an accident occurs in a boiling water reactor.SOLUTION: In a method for inspecting inside a nuclear reactor that inspects inside a nuclear reactor pressure vessel 6, an isolation valve 13 is placed at a pipe 12 extending from the nuclear reactor pressure vessel and penetrating through a nuclear reactor containment vessel 4, an outside valve 14 is placed at an outer side than the isolation valve from the nuclear reactor containment vessel 4, an openable/closable access opening 15 is placed at an outer side than the outside valve 14 of the pipe 12 from the nuclear reactor containment vessel 4, the access opening 15 is closed after an inspection device 16 is inserted into the pipe 12 from the access opening, then after the inspection device 16 has moved to a position between the isolation valve 13 and the outside valve 14, the outside valve 14 is closed and the isolation valve is opened, and then the inspection device 16 moves to the inside of the nuclear reactor pressure vessel 6 to inspect the inside of the nuclear reactor pressure vessel 6.
摘要翻译：要解决的问题：为了在核反应堆压力容器内进行检查，而不用去除屏蔽塞，核反应堆安全壳的顶盖和核反应堆压力容器的顶盖，当在沸腾中发生事故时水反应堆。解决方案：在用于在核反应堆压力容器6内进行检查的核反应堆内进行检查的方法中，隔离阀13放置在从核反应堆压力容器延伸并穿过核反应堆安全壳4的管12处外侧阀14被设置在与核反应堆容纳箱4的隔离阀的外侧的位置处，可开闭的进出口15位于比管11的外侧阀14的外侧更远离核反应堆的容纳容器4在检查装置16从进入口插入管12中之后关闭进入口15，然后在检查装置16移动到隔离阀13与外侧阀14之间的位置之后， 14关闭，隔离阀打开，然后检查装置16移动到核反应堆压力容器6的内部，以检查核反应堆压机 ure船6.版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2006308326A Method of repairing reactor structure, and reactor structure 审中-公开
标题翻译：修复反应器结构和反应器结构的方法
公开(公告)号：JP2006308326A
公开(公告)日：2006-11-09
申请号：JP2005128313
申请日：2005-04-26
申请人： Toshiba Corp , 株式会社東芝
发明人： ITO KIICHI , SAITO TOSHIYUKI , ITO MIKIRO , HIRASAWA HAJIME , MATSUNAGA KEIJI , SUMIYA RIE
IPC分类号： G21C19/02 , B23K26/20 , G21D1/00
CPC分类号： Y02E30/40
摘要： PROBLEM TO BE SOLVED: To provide a method of repairing a reactor structure, and the reactor structure, capable of suppressing progression of a crack-shaped defect by suppressing corrosion of a metal material constituting the structure inside a repaired crack, when a crack-shaped defect part is generated on the metal surface of the reactor structure and its repair welding is performed. SOLUTION: In this repair method of the reactor structure, which is a repair method of the reactor structure having the metal material on whose surface the crack defect is generated, first of all, a noble metal material is provided on the crack defect surface. Then, the noble metal material is coated with a coating member, and the coating member is fixed to the reactor structure. Thus, the noble metal material and the crack defect are isolated from an external environment. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种修复反应器结构的方法和反应器结构，其能够通过抑制构成修复裂纹内的结构的金属材料的腐蚀来抑制裂纹形状的缺陷的进展，在反应堆结构的金属表面产生裂纹状缺陷部分，进行修补焊接。解决方案：在反应器结构的这种修复方法中，其是具有在其表面产生裂纹缺陷的金属材料的反应器结构的修复方法，首先，在裂纹缺陷上提供贵金属材料表面。然后，将贵金属材料涂覆在涂覆部件上，将涂覆部件固定在反应器结构上。因此，贵金属材料和裂纹缺陷与外部环境隔离。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2009264850A Device and method for reinforcing reactor core spray system pipe 审中-公开
标题翻译：用于增强反应堆芯喷涂系统管的装置和方法
公开(公告)号：JP2009264850A
公开(公告)日：2009-11-12
申请号：JP2008113116
申请日：2008-04-23
申请人： Toshiba Corp , 株式会社東芝
发明人： SUGANUMA NAOTAKA , ABURA AKINORI , SUDO KAZUO , SATO TANOSHI , HATAKE HARUHIKO , HIDAKA YUKIAKI , MATSUNAGA KEIJI , HIROSE KINZO
IPC分类号： G21C15/18 , G21D1/00
CPC分类号： G21C15/18 , F16L13/06 , F16L43/02 , Y02E30/40 , Y10T29/49718
摘要： PROBLEM TO BE SOLVED: To prevent the occurrence of cracks or the development of generated cracks for all welded lines in a reactor core spray system piping, while protecting welding seams even if cracks develop and ultimately damage the reactor core spray system piping, and keeping the function of a reactor core spray system at the occurrence of a loss of coolant accident. SOLUTION: A device for reinforcing a reactor core spray system piping is disposed on the outer peripheral side of the welded part of a reactor core spray system piping 4 and across the welded line 10 of a welded part, and holds the outer peripheral surface of the reactor core spray system piping 4 at a position symmetrically with respect to an axis. The device includes bolts 13 and 14 serving as a mechanical fastening mechanism for applying a compression force from the outer peripheral side of the reactor core spray system piping onto a welded part formed on a clamp 21 or the like. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题为了防止反应堆堆芯喷射系统管道中的所有焊接线产生裂缝或产生裂缝，同时即使裂纹发生并且最终损坏反应堆堆芯喷射系统管道也能保护焊缝，并且在发生冷却剂事故损失的情况下保持反应堆堆芯喷雾系统的功能。解决方案：用于加强反应堆堆芯喷射系统管道的装置设置在反应堆堆芯喷射系统管道4的焊接部分的外周侧上并跨过焊接部分的焊接线10，并且保持外周反应堆芯喷雾系统管道4的表面在相对于轴对称的位置。该装置包括用作机械紧固机构的螺栓13和14，用于将压力从反应堆芯喷射系统管道的外周侧施加到形成在夹具21等上的焊接部分上。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JPH05312554A 失效
公开(公告)号：JPH05312554A
公开(公告)日：1993-11-22
申请号：JP11509892
申请日：1992-05-08
申请人： TOSHIBA CORP , TOSHIBA ENGINEERING CO
发明人： MATSUNAGA KEIJI , NAKAJIMA TOMOYUKI
IPC分类号： G01B17/00 , G01B17/08 , G01B21/30 , G01N29/04 , G01N29/10
摘要： PURPOSE:To obtain an instrument for measuring the flatness of sealed surfaces of flange sections, etc., which can measure the flatness of a sealed surface through remote control by ultrasonic flaw detection. CONSTITUTION:This instrument is provided with a fixed member 4 which is fixed to a sealing surface 1 to be measured and a rotary member 3 which is rotatably supported by the member 4 and mounted with an ultrasonic probe 2 at the position facing the surface 1. In addition, the instrument is also provided with an operating section which supplies a rotationally driving force to the member 3 and ultrasonic flow detector 10 which inputs the detected value of the probe 2 and finds the flatness of the surface 1.

10. 发明专利

JP2013015374A Method for inspecting inside nuclear reactor 有权
标题翻译：检查内核反应器的方法
公开(公告)号：JP2013015374A
公开(公告)日：2013-01-24
申请号：JP2011147523
申请日：2011-07-01
申请人： Toshiba Corp , 株式会社東芝
发明人： SUZUKI ATSUSHI , ABURA AKINORI , MATSUNAGA KEIJI , KINUGASA KUNIHIKO
IPC分类号： G21C17/003 , G21C19/02
摘要： PROBLEM TO BE SOLVED: To inspect inside a nuclear reactor pressure vessel without removing a shield plug for closing a nuclear reactor well, a top cover of a nuclear reactor containment vessel, and a top cover of the nuclear reactor pressure vessel, when an accident occurs in a boiling water reactor.SOLUTION: A method for inspecting inside a nuclear reactor inspects inside of a nuclear reactor pressure vessel 6 placed inside of a nuclear reactor containment vessel 4 in a boiling water reactor, where a shield plug 5 for closing a nuclear reactor well 3, a top cover 4A of a nuclear reactor containment vessel, and a top cover 6A of the nuclear reactor pressure vessel are sequentially arranged downwardly in a vertical direction. In the method, first, access holes 20, 21 are sequentially processed in the shield plug 5 and the top cover 4A of the nuclear reactor containment vessel 4 using a processing device 16, next, a head nozzle 11 arranged on the nuclear reactor pressure vessel 6 is opened by remote control, and then, an inspection device is moved inside the nuclear reactor pressure vessel 6 through the access holes 20, 21 and the head nozzle 11 to inspect inside the nuclear reactor containment vessel.
摘要翻译：要解决的问题：为了在核反应堆压力容器内部进行检查，而不用去除用于关闭核反应堆的屏蔽塞，核反应堆安全壳的顶盖和核反应堆压力容器的顶盖，当在沸水反应堆中发生事故。解决方案：核反应堆内的检查方法在沸水反应堆内检查放置在核反应堆安全壳4内的核反应堆压力容器6的内部，其中用于封闭核反应堆3的屏蔽塞5，核反应堆安全壳的顶盖4A和核反应堆压力容器的顶盖6A沿垂直方向依次排列。在该方法中，首先，使用处理装置16在保护塞5和核反应堆安全壳4的顶盖4A中依次处理进入孔20,21，接下来，设置在核反应堆压力容器 6通过遥控器打开，然后检查装置通过进入孔20,21和头喷嘴11在核反应堆压力容器6内移动，以检查核反应堆安全壳内部。版权所有（C）2013，JPO＆INPIT

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