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1. 发明申请

US20110096888A1 APPARATUS FOR ULTRASONIC INSPECTION OF REACTOR PRESSURE VESSEL 有权
标题翻译：超声波检测反应堆压力容器的装置
公开(公告)号：US20110096888A1
公开(公告)日：2011-04-28
申请号：US12986579
申请日：2011-01-07
申请人： Motoyuki NAKAMURA , Yoshio NONAKA , Naoyuki KONO , Masahiro MIKI , Satoshi SHINOHARA
发明人： Motoyuki NAKAMURA , Yoshio NONAKA , Naoyuki KONO , Masahiro MIKI , Satoshi SHINOHARA
IPC分类号： G21C17/00
CPC分类号： G21C17/003 , G21Y2002/204 , G21Y2002/304 , G21Y2002/401 , G21Y2004/30 , G21Y2004/504
摘要： An object of the present invention is to provide an inspection apparatus for inspecting weld zones in a reactor pressure vessel, the inspection apparatus comprising: an ultrasonic probe 6 for emitting an ultrasonic wave; a probe holding unit 60 for holding the ultrasonic probe 6 such that a ultrasonic wave transmitting surface of the ultrasonic probe 6 is kept in direct contact with or at a constant distance from the outer surface of the reactor pressure vessel 1; a pressing unit 50 for pressing the probe holding unit 60 parallel to a central axis of a control rod drive housing 8 against the reactor pressure vessel; and a rotator 40 for rotating the probe holding unit 60 and the pressing unit 50 about the central axis of the control rod drive housing 8.
摘要翻译：本发明的目的是提供一种用于检查反应堆压力容器中的焊接区域的检查装置，该检查装置包括：用于发射超声波的超声波探头6; 用于保持超声波探头6使得超声波探头6的超声波透过表面与反应堆压力容器1的外表面直接接触或恒定距离的探针保持单元60; 按压单元50，用于将探针保持单元60平行于控制棒驱动器壳体8的中心轴线压靠在反应堆压力容器上; 以及用于使探针保持单元60和按压单元50围绕控制杆驱动器壳体8的中心轴线旋转的旋转器40。

2. 发明申请

US20080037695A1 METHOD AND APPARATUS FOR ULTRASONIC INSPECTION OF REACTOR PRESSURE VESSEL 有权
标题翻译：用于超声波检测反应堆压力容器的方法和装置
公开(公告)号：US20080037695A1
公开(公告)日：2008-02-14
申请号：US11834230
申请日：2007-08-06
申请人： Naoyuki KONO , Masahiro MIKI , Yoshio NONAKA , Motoyuki NAKAMURA
发明人： Naoyuki KONO , Masahiro MIKI , Yoshio NONAKA , Motoyuki NAKAMURA
IPC分类号： G21C17/00 , G01N29/00
CPC分类号： G01N29/11 , G01N29/0609 , G01N29/262 , G01N2291/02854 , G01N2291/02872 , G01N2291/044 , G01N2291/2675 , G21C17/003 , G21Y2002/204 , G21Y2002/304 , G21Y2002/401 , G21Y2004/30 , G21Y2004/40
摘要： The present invention provides a method and apparatus for an ultrasonic inspection of a penetration of a reactor pressure vessel, especially, a welded portion of the penetration. In the ultrasonic inspection, a position (inspection position) of an ultrasonic probe relative to a portion to be inspected can be identified without an effect of the surface of a portion to be inspected.The ultrasonic probe of the ultrasonic inspection apparatus, which is pushed onto the outer surface of the reactor pressure vessel, transmits and receives an ultrasonic wave to and from a penetration having a welded portion while changing an incident angle of the ultrasonic wave. Based on a result of reception of an echo obtained by the reflection of the ultrasonic wave on the inner surface of the penetration, an inclination angle of the penetration relative to a wall surface of the reactor pressure vessel is measured. A circumferential direction position of the penetration, which corresponds to the inclination angle, is calculated based on the relationship of an inclination angle and a circumferential direction position, which have been calculated in advance. Then, the circumferential direction position can be obtained as information on the inspection position.
摘要翻译：本发明提供了一种用于超声波检查反应堆压力容器的穿透的方法和装置，特别是穿透的焊接部分。在超声波检查中，能够识别超声波探头相对于被检查部的位置（检查位置），而不受被检查部的表面的影响。超声波检查装置的超声波探头被推压到反应堆压力容器的外表面，并且在改变超声波的入射角的同时，向具有焊接部分的穿透物进行超声波接收超声波。基于通过在穿透的内表面上反射超声波而获得的回波的接收结果，测量相对于反应堆压力容器的壁面的穿透倾角。基于预先计算出的倾斜角度与圆周方向位置的关系来计算穿透的与倾斜角对应的圆周方向位置。然后，作为关于检查位置的信息可以获得圆周方向位置。

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