发明名称 |
Apparatus for ultrasonic inspection of reactor pressure vessel |
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. |
申请公布号 |
US8619939(B2) |
申请公布日期 |
2013.12.31 |
申请号 |
US20110986437 |
申请日期 |
2011.01.07 |
申请人 |
NAKAMURA MOTOYUKI;NONAKA YOSHIO;KONO NAOYUKI;MIKI MASAHIRO;SHINOHARA SATOSHI;HITACHI-GE NUCLEAR ENERGY, LTD. |
发明人 |
NAKAMURA MOTOYUKI;NONAKA YOSHIO;KONO NAOYUKI;MIKI MASAHIRO;SHINOHARA SATOSHI |
分类号 |
G21C17/00 |
主分类号 |
G21C17/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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