Title:
原子炉のシュラウドと炉心プレートとの間に形成される環状凹所内部の材料を検査する装置
Document Type and Number:
Japanese Patent JP5553953
Kind Code:
B2
Abstract:
A method and apparatus is provided for inspecting material arranged within an annular recess such as weld beads, particularly weld beads between the shroud, core plate and support structures within a boiling water nuclear reactor (BWR). The apparatus comprises a track support, a generally arcuate track, a carriage, a sensor support and a sensor. The track is configured to correspond and align generally with an inner surface of a shroud or other encompassing structure with the sensor support and sensor configured to be extended into and then moved horizontally along the annular recess. The sensor may be configured with a plurality of sensor elements, such as ultrasonic transducers or eddy current sensors that may be configured to analyze different properties or different regions relative to the sensor location.
Inventors:
Trevor Davis
Jack Matsumoto
Jack Matsumoto
Application Number:
JP2005139264A
Publication Date:
July 23, 2014
Filing Date:
May 12, 2005
Export Citation:
Assignee:
General Electric Co.
International Classes:
G21C17/003; G01M99/00
Attorney, Agent or Firm:
Satoshi Arakawa
Hiroshi Ogura
Nobukazu Ito
Toshihisa Kurokawa
Hiroshi Ogura
Nobukazu Ito
Toshihisa Kurokawa