F - Mech Eng,Light,Heat,Weapons – 22 – B
Patent
F - Mech Eng,Light,Heat,Weapons
22
B
122/1
F22B 37/00 (2006.01) B25J 5/00 (2006.01) F22B 37/48 (2006.01) G21C 17/013 (2006.01)
Patent
CA 1222422
REMOTELY OPERATED MAINTENANCE AND INSPECTION EQUIPMENT TRANSPORTER ABSTRACT OF THE DISCLOSURE A wheeled transporter is placed at the periphery of the tube bundle which extends up from its tube sheet within a nuclear steam generator shell. The transporter is formed in hinged sections which can be disengaged as required at the per- iphery of the tube bundle. A cable attached to each end of the transporter extend through the handholes for movement of the transporter along the bundle periphery. Pistons on the trans- porter are controlled remotely to extend into engagement with the internal wall of the generator shell to selectively immo- bilize the transporter at any desired peripheral position and thereby form a steady base for maintenance and inspection de- vices mounted on the transporter.
427930
Creek Ronald B.
Harden Charles T.
Harris Harold H.
Abb Combustion Engineering Nuclear Power Inc.
Smart & Biggar
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