Title:
APPARATUS AND METHOD TO INSPECT, MODIFY, OR REPAIR NUCLEAR REACTOR CORE SHROUDS
Document Type and Number:
WIPO Patent Application WO/2014/099107
Kind Code:
A3
Abstract:
This invention generally concerns robotic systems and is particularly concerned with improved apparatus and methods for remotely inspecting, modifying or repairing a core shroud (132) in a nuclear reactor. The apparatus of the invention includes a partial upper track (114) which is horizontally movable along the core shroud (132), a head (110) and frame assembly (112) which is horizontally movable along the partial upper track (114), a lower track (120) which is connected to the head (110) and frame assembly (112) and is horizontally movable along the core shroud (132), and a carriage (122) and arm (134) assembly which extends downward into an annulus formed by the reactor pressure vessel and the core shroud (132), wherein the arm (134) includes at least one sensor (182) for inspecting the core shroud (132).
Inventors:
FOLEY KEVIN J (US)
EVERETT MARK STEVE (US)
BARRETT CHARLES R (US)
EVERETT MARK STEVE (US)
BARRETT CHARLES R (US)
Application Number:
PCT/US2013/063676
Publication Date:
September 04, 2014
Filing Date:
October 07, 2013
Export Citation:
Assignee:
WESTINGHOUSE ELECTRIC CORP (US)
International Classes:
G21C17/013
Foreign References:
| JPH09211182A | 1997-08-15 | |||
| JPH11311692A | 1999-11-09 | |||
| JPH09159788A | 1997-06-20 | |||
| JP2006061976A | 2006-03-09 | |||
| US20080317192A1 | 2008-12-25 | |||
| US20100242247A1 | 2010-09-30 |
Other References:
See also references of EP 2907140A4
Attorney, Agent or Firm:
COLDREN, Richard J. et al. (1000 Westinghouse DriveCranberry Township, Pennsylvania, US)
Download PDF: