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1. 发明专利

JP2010071796A Reflector system of fast reactor 有权
标题翻译：快速反应器的反射器系统
公开(公告)号：JP2010071796A
公开(公告)日：2010-04-02
申请号：JP2008239518
申请日：2008-09-18
申请人： Toshiba Corp , 株式会社東芝
发明人： SAKAI TOSHIRO , TAKAHASHI AKIO , INATOMI TAKAYA , NAKAMURA HIROSHI , KOMAI MASABUMI , IZUMI MIKIO
IPC分类号： G21C7/28 , G21C17/003
CPC分类号： G21C7/28 , G21C1/02 , G21C11/06 , Y02E30/34 , Y02E30/39
摘要： PROBLEM TO BE SOLVED: To provide a reflector system of a fast reactor which can detect presence or absence of a fracture in a cavity of a reflector. SOLUTION: The reflector system of the fast reactor is provided so that it can move freely in the vertical direction and includes a neutron reflection section 31 which reflects neutrons emitted from a core 4, the reflector 30 which is located above the neutron reflection section 31 and has the cavity section 32 that has a lower neutron reflection performance than primary coolant 2 and a reflector drive 35 which is connected to the reflector 30 and moves the reflector 30 in the vertical direction. The reflector drive 35 has a driving means 37 which is connected to the reflector 30 through a drive shaft 34 to drive the reflector 30 vertically and a load detection means 45 which is placed between the driving means 37 and the drive shaft 34 to detect the load of the reflector 30. A detection means 50 which detects the fracture in the cavity section 32 of the reflector 30 by receiving load signals from the load detection means 45 is connected to the load detection means 45. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种快速反应器的反射器系统，其可以检测反射器的空腔中的断裂的存在或不存在。解决方案：快堆的反射器系统设置成能够在垂直方向上自由移动，并且包括反射从核心4发射的中子的中子反射部分31，反射器30位于中子反射并且具有比一次冷却剂2具有更低的中子反射性能的空腔部分32和连接到反射器30并沿垂直方向移动反射器30的反射器驱动器35。反射器驱动器35具有驱动装置37，驱动装置37通过驱动轴34连接到反射器30，以垂直驱动反射器30;以及负载检测装置45，该装载检测装置45位于驱动装置37和驱动轴34之间以检测负载通过从负载检测装置45接收负载信号来检测反射器30的空腔部分32中的断裂的检测装置50连接到负载检测装置45.版权所有（C）2010 ，JPO＆INPIT

2. 发明专利

JP2008191069A Reflector control type fast reactor, and neutron detector installation method and operation method for same 审中-公开
标题翻译：反射器控制型快速反应器和中子检测器安装方法和操作方法
公开(公告)号：JP2008191069A
公开(公告)日：2008-08-21
申请号：JP2007027681
申请日：2007-02-07
申请人： Toshiba Corp , 株式会社東芝
发明人： MORIKI YASUYUKI , IGARASHI KENJI , HARA AKIHIRO , KAWASHIMA MASATOSHI , KOMAI MASABUMI
IPC分类号： G21C17/10 , G21C7/28 , G21C17/108
CPC分类号： Y02E30/34 , Y02E30/39
摘要： PROBLEM TO BE SOLVED: To provide a highly economical reflector control type fast reactor, capable of reducing influence of signal fluctuation in a neutron detector accompanying the movement of a neutron reflector to reduce an detection error, and capable of giving the lowest estimate for a thermal output error to control nuclear reactor power.
SOLUTION: In this neutron detector installation method for the reflector control type fast reactor 3 for installing the neutron detectors 31A, 31B in an outside of a reactor vessel 1, in the reflector control type fast reactor 30 for controlling a reactivity of a reactor core 2 by moving the neutron reflector 9 installed outside the reactor core stored in the reactor vessel along an axial direction of the reactor core, and by regulating a leakage of a neutron from the reactor core to control the reactivity of the reactor core, the plurality of neutron detectors is installed along the axial direction of the reactor core, the neutron detector 31A thereof is installed within a moving range X of the neutron reflector 9, and the neutron detector 31B is installed outside the moving range X of the neutron reflector, so as to summed up signals from the neutron detectors installed respectively within the moving range and outside the moving range.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种高度经济的反射器控制型快堆，能够减少伴随中子反射器运动的中子探测器中的信号波动的影响，以减少检测误差，并且能够给出最低估计值用于控制核反应堆功率的热输出误差。解决方案：在用于反应器控制型快堆3的中子探测器安装方法中，用于将反应器容器1外部的中子探测器31A，31B安装在用于控制反应器控制型快堆反应堆芯2通过沿着反应堆芯的轴向移动安装在反应堆核心内的反应堆核心的中子反射体9，并通过调节中子从反应堆堆芯泄漏以控制反应堆堆芯的反应性，多个中子检测器沿反应堆堆芯的轴向安装，中子检测器31A安装在中子反射体9的移动范围X内，中子检测器31B安装在中子反射器的移动范围X的外侧，以便总结来自分别安装在移动范围内和移动范围之外的中子探测器的信号。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2010078459A Device and method for detecting breakage of heat exchanger tube of heat exchanger 审中-公开
标题翻译：用于检测热交换器换热管断路的装置和方法
公开(公告)号：JP2010078459A
公开(公告)日：2010-04-08
申请号：JP2008247143
申请日：2008-09-26
申请人： Toshiba Corp , 株式会社東芝
发明人： NITTO KOICHI , KOMAI MASABUMI , MATSUYAMA SHINICHIRO
IPC分类号： G01M3/04 , F22B1/06 , F28F1/00 , G01N23/05 , G01T1/167 , G01T3/00 , G21C1/02 , G21C17/003
CPC分类号： Y02E30/34
摘要： PROBLEM TO BE SOLVED: To detect existence of a breakage and a breakage spot of a heat exchanger tube highly accurately in a short period of time. SOLUTION: This device has: a gas leak first detector 16 and a gas leak second detector 18 for detecting leak of He gas flowing through an aperture between an outer tube and an inner tube of the heat exchanger tube from a breakage spot of the heat exchanger tube in order to confirm existence of a breakage of the heat exchanger tube 11 in a steam generator 10; and a neutron generation device 33 and a neutron detection image sensor 34 arranged oppositely across the heat exchanger tube 11 in order to specify the breakage spot of the heat exchanger tube. Neutrons emitted from the neutron generation device 33 are absorbed by He3 gas flowing through the aperture between the outer tube and the inner tube and leaking from the breakage spot, and a neutron shadow at that time is detected as a two-dimensional image by the neutron detection image sensor 34. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：在短时间内高精度地检测热交换器管的断裂和断裂点的存在。解决方案：该装置具有：气体泄漏第一检测器16和气体泄漏第二检测器18，用于检测从热交换器管的外管和内管之间的孔流出的He气体的泄漏，以确认在蒸汽发生器10中存在热交换器管11的断裂的热交换器管; 以及相对地设置在热交换器管11上的中子生成装置33和中子检测图像传感器34，以便指定热交换器管的断裂点。从中子发生装置33发射的中子被He3气体吸收，He3气体流过外管和内管之间的孔，并从断裂点泄漏，此时的中子阴影被中子检测为二维图像检测图像传感器34.版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2010038914A Remote field eddy current flaw detecting probe 有权
标题翻译：远场现场电流检测探头
公开(公告)号：JP2010038914A
公开(公告)日：2010-02-18
申请号：JP2009162684
申请日：2009-07-09
申请人： Toshiba Corp , 株式会社東芝
发明人： KOBAYASHI NORIYASU , NAGAI SATOSHI , OCHIAI MAKOTO , JINBO NOBORU , KOMAI MASABUMI
IPC分类号： G01N27/90
摘要： PROBLEM TO BE SOLVED: To provide a remote field eddy current flaw detecting probe capable of enhancing detection sensitivity in defect inspections suppressing an increase in the current of an excitation coil, and suppressing upsizing and complication of the whole probe. SOLUTION: At least one excitation coil 2a to which an exciting current is applied to generate an eddy current in an object to be inspected 3, and at least one detection coil 2b which detects magnetic flux induced by the eddy current, are included. The excitation coil 2a includes a side surface covering member 5a which consists of a magnetic body 2, and which is provided on at least one of two side surfaces organized approximately perpendicular to the center axis of the excitation coil 2a. The side surface covering member 5a forms a magnetic path when the excitation coil 2a produces a magnetic field. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种能够提高缺陷检查中的检测灵敏度的远场涡流探伤探针，抑制励磁线圈的电流增加，抑制整个探针的大型化和复杂化。解决方案：至少一个励磁线圈2a，其中施加有励磁电流以在待检查的物体3中产生涡流，并且包括检测由涡流引起的磁通量的至少一个检测线圈2b 。励磁线圈2a包括由磁体2组成的侧表面覆盖部件5a，该侧表面覆盖部件5a设置在大致垂直于励磁线圈2a的中心轴组成的两个侧面中的至少一个上。当激励线圈2a产生磁场时，侧表面覆盖部件5a形成磁路。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2009198213A Eddy current flaw detecting probe, eddy current flaw detecting device, and eddy current flaw detection method 有权
标题翻译： EDDY电流检测探头，EDDY电流检测装置和EDDY电流检测方法
公开(公告)号：JP2009198213A
公开(公告)日：2009-09-03
申请号：JP2008037726
申请日：2008-02-19
申请人： Toshiba Corp , 株式会社東芝
发明人： KOBAYASHI NORIYASU , NAGAI SATOSHI , OCHIAI MAKOTO , KOMAI MASABUMI , JINBO NOBORU
IPC分类号： G01N27/90
摘要： PROBLEM TO BE SOLVED: To provide an eddy current flaw detecting probe capable of circumventing reduction in the reliability of detecting defects resulting from a defect-forming state, without having an operation of arrangement change, driving control, or the like, of an excitation coil accompany it. SOLUTION: This eddy current flaw detecting probe comprises an excitation coil group consisting of a first excitation coil 11, a second excitation coil 12, and a third excitation coil 13 for inducing eddy current in a flaw detecting object such as a metallic conduit 20, and a detecting coil 14 for detecting the variation in the eddy current generated in a part of the defect 21, such as, cracks in the flaw detecting object. The center axes of respective excitation coils are set in the mutually different directions. Then, the direction of composite eddy current obtained by vector-composing eddy currents E1, E2 and E3 induced by the excitation coil group is made variable, by strength control of current supplied to each excitation coil, and the composite eddy current sufficiently varies, with respect to various forming states of the defect 21. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种涡流探伤探针，其能够避免由缺陷形成状态引起的缺陷检测的可靠性降低，而不需要进行布置改变，驱动控制等操作伴随着励磁线圈。该涡流探伤探头包括由第一激励线圈11，第二激励线圈12和第三励磁线圈13组成的激励线圈组，用于在诸如金属导管的探伤物体中感应涡电流以及用于检测缺陷21的一部分中产生的涡流的变化的检测线圈14，例如缺陷检测对象的裂纹。各激励线圈的中心轴设定在相互不同的方向。然后，通过由励磁线圈组引起的矢量构成涡流E1，E2和E3获得的复合涡流的方向通过对提供给每个励磁线圈的电流的强度控制而变化，并且复合涡流充分变化，与尊重缺陷的各种形成状态21.版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2010230328A Neutron grid and method of manufacturing the same 有权
标题翻译： NEUTRON网及其制造方法
公开(公告)号：JP2010230328A
公开(公告)日：2010-10-14
申请号：JP2009075046
申请日：2009-03-25
申请人： Toshiba Corp , 株式会社東芝
发明人： NITTO KOICHI , KOMAI MASABUMI , YOSHIOKA KENICHI , MIYABE KEISUKE
IPC分类号： G21K3/00 , G01N23/05 , G21K1/00
摘要： PROBLEM TO BE SOLVED: To remove neutron scattering rays causing noise in a transmission image when acquiring the transmission image of an inspection body using neutrons, thermal neutrons in particular.
SOLUTION: A neutron grid includes a plurality of spacers having a first thermal neutron mass attenuation coefficient, a plurality of neutron absorbers having a second thermal neutron mass attenuation coefficient not less than 100 times as large as the first thermal neutron mass attenuation coefficient, and a pair of cover materials for vertically sandwiching the plurality of spacers and the plurality of neutron absorbers therebetween. The plurality of spacers and the plurality of neutron absorbers are alternatively arranged one-dimensionally to form the neutron grid. The neutron grid is used for absorbing/removing neutron scattering rays.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了去除在使用中子获取检查体的透射图像时特别是热中子，去除在透射图像中产生噪声的中子散射线。解决方案：中子栅格包括具有第一热中子质量衰减系数的多个间隔物，具有不小于第一热中子质量衰减系数的100倍的第二热中子质量衰减系数的多个中子吸收体以及一对用于将多个间隔件垂直夹持的多个中子吸收体的覆盖材料。交替排列多个间隔物和多个中子吸收体，以形成中子栅格。中子栅格用于吸收/去除中子散射光线。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2005043164A Apparatus for measuring propagation time of sound wave 审中-公开
标题翻译：用于测量声波传播时间的装置
公开(公告)号：JP2005043164A
公开(公告)日：2005-02-17
申请号：JP2003201992
申请日：2003-07-25
申请人： Toshiba Corp , 株式会社東芝
发明人： KOMAI MASABUMI , NAGAI SATOSHI , SUZUKI TAKEHIKO
IPC分类号： G01H5/00 , G01N29/07 , G01N29/52 , G01S7/526 , G01S7/527 , G01S15/00 , G01S15/10 , G01S15/42
CPC分类号： G01N29/069 , G01N29/07 , G01N29/449 , G01N29/52 , G01N2291/02854 , G01N2291/101 , G01S7/527 , G01S15/42
摘要： PROBLEM TO BE SOLVED: To provide a measuring apparatus capable of forming impulses of sound echo signals and correctly and accurately determining the propagation time of sound waves.
SOLUTION: The apparatus 10 for measuring the propagation time of sound waves is provided with a transmitting and receiving means 13 having a sound wave element 20 capable of transmitting and receiving sound waves, an A/D converting device 14 for converting sound wave reception signals received by the sound wave element 20 of the transmitting and receiving means 13 into digital echo signals, an inverse analysis means 16 for performing inverse analysis processing on the formation of impulses by multiplying the digital echo signals converted by the A/D converting device 14 by an inverse matrix, a computing means 17 for computing the sound wave propagation time of the sound wave reception signals and its time differences, and a display means 18 for displaying the sound wave propagation time computed by the computing means and its time differences.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供能够形成声音回波信号的脉冲并且正确且准确地确定声波的传播时间的测量装置。解决方案：用于测量声波传播时间的装置10设置有具有能够发送和接收声波的声波元件20的发送和接收装置13，用于转换声波的A / D转换装置14 由发送和接收装置13的声波元件20接收的接收信号转换为数字回波信号;反分析装置16，用于通过将由A / D转换装置转换的数字回波信号相乘来对脉冲的形成进行反分析处理通过逆矩阵计算声波接收信号的声波传播时间的计算装置17及其时间差，以及显示由计算装置计算的声波传播时间及其时间差的显示装置18。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2000028589A THREE-DIMENSIONAL ULTRASONIC IMAGING DEVICE 失效
公开(公告)号：JP2000028589A
公开(公告)日：2000-01-28
申请号：JP19520098
申请日：1998-07-10
申请人： TOSHIBA CORP
发明人： KARASAWA HIROICHI , NAGAI SATOSHI , KOMAI MASABUMI
IPC分类号： G01N29/06 , A61B8/00 , G06T1/00
摘要： PROBLEM TO BE SOLVED: To provide a precise three-dimensional image of a surface defect or an internal defect for an inspecting object in a liquid medium, using ultrasonic waves. SOLUTION: An ultrasonic transducer 1 arranged in matrix form with plural piezoelectric elements 11a-20h is driven upto the vicinity of a structure 2 of an inspecting object by a drive circuit 21. A prescribed number of piezoelectric elements 11a-20h out from among the plural piezoelectric elements 11a-20h is switched over in order to be selected by a switching circuit 3 for transmission, a transmitting part 4 transmits ultrasonic waves from the selected piezoelectric elements 11a-13h, and ultrasonic echo signals reflected by the structure 2 in a liquid medium are received by the prescribed piezoelectric elements 11a-20h which are selected by a reception switching circuit 6. The received ultrasonic echo signals are input to a signal processing part 9 via an amplifier 7 and an A/D converter 8, and a surface shape and an inside of the structure 2 in the liquid medium are imaged by aperture compositing processing to be displayed in a display 10.

9. 发明专利

JPH1090082A TEMPERATURE MEASURING APPARATUS 失效
公开(公告)号：JPH1090082A
公开(公告)日：1998-04-10
申请号：JP24940796
申请日：1996-09-20
申请人： TOSHIBA CORP
发明人： KARASAWA HIROICHI , NAGAI SATOSHI , SUZUKI TAKEHIKO , SHIOYAMA TSUTOMU , KOMAI MASABUMI
IPC分类号： G01K11/24 , G21C17/02
摘要： PROBLEM TO BE SOLVED: To obtain a highly accurate and reliable temperature measuring apparatus insusceptible to the temperature variation or the flow of a liquid flowing through a pipe without requiring any well being employed in a thermocouple thermometer. SOLUTION: A pair of ultrasonic transducers 3 are disposed, through waveguide rods 2 in opposition to the surface of a pipe 1 through which a liquid 4 flows. The pair of ultrasonic transducers 3 are connected with a switch 5 to which in parallel with a receiving amplifier 7 and a signal transmitter 6 whose cycle is random are connected in parallel. The receiving amplifier 7 is connected with an A/D converter 8 which is connected with an arithmetic unit 7. The arithmetic unit 7 has a correlative processing circuit 11 for mutually correlating and processing the output from the transmitter 6 and an ultrasonic echo signal, and a propagation time meaning circuit 12 for calculating the propagation time of an ultrasonic wave.

10. 发明专利

JP2000234963A ULTRASONIC TEMPERATURE MEASURING DEVICE 失效
公开(公告)号：JP2000234963A
公开(公告)日：2000-08-29
申请号：JP3783899
申请日：1999-02-16
申请人： JAPAN NUCLEAR CYCLE DEV INST , TOSHIBA CORP
发明人： UEDA MASASHI , HAYASHIDA HITOSHI , KARASAWA HIROICHI , KOMAI MASABUMI , TATEISHI HIROSHI , OSHIMA IWAO , SHIMANO KUNIO , HIGASHINAKAGAHA EMIKO
IPC分类号： G01K11/24 , G01K13/02 , G01K15/00 , G21C17/02
摘要： PROBLEM TO BE SOLVED: To provide an ultrasonic temperature measuring device precisely measuring fluid temperature in a pipe in noncontact. SOLUTION: The ultrasonic temperature measuring device comprises paired ultrasonic wave transducer 15, 16 placed oppositely each other at the external surface of a pipe 10, a generator 18 outputting an electric pulse signal to an ultrasonic wave transducer 15 for transmitting, an A/D converter 21 converting an echo electric signal from an ultrasonic wave transducer for receiving to a digital signal, a computing device 22 computing the converted echo digital signal, a measuring device 26 of distortion quantity of a pipe placed close to the installation position of the transducers 15, 16. The computing device 22 inputs a measuring signal for the distortion quantity of the pipe from the measuring device 26 to compute the echo digital signal by adding calibration for the distortion quantity of the pipe such as thermal expansion of a pipe part, and then enables precise measuring fluid temperature in the pipe 10 with accurate precision in consideration of a temperature distortion error of the pipe 10.

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