Support pin replacing apparatus for control rod cluster guide tube

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9460817
APP PUB NO 20140126681A1
SERIAL NO

14125445

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Apparatus for replacing a support pin for a control rod cluster guide tube. The support pin can fix the guide tube to a core plate. The apparatus can be used submerged in water. A movement device can hold and move the guide tube along a frame. A retrieval manipulator can remove an old support pin from the guide tube. A supply manipulator can provide a new support pin to the guide tube. A rotating means imparts rotation for loosening a nut from an old support pin, and for tightening a nut to a new support pin. A control device calculates variation in distance between the nut and the support pin on the basis of the rotation. The control device controls movement of the guide tube along the frame.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI HEAVY INDUSTRIES LTD2-3 MARUNOUCHI 3-CHOME CHIYODA-KU TOKYO 100-8332

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hamamoto, Tomochika Tokyo, JP 7 4
Miyoshi, Yoshiyuki Tokyo, JP 18 54
Mori, Norimasa Tokyo, JP 2 8

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