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1. (WO2017040584) METHOD AND DEVICE FOR REPLACING CONTROL ROD DRIVES

Pub. No.:    WO/2017/040584    International Application No.:    PCT/US2016/049585
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Thu Sep 01 01:59:59 CEST 2016
IPC: G21C 19/20
G21C 19/26
Applicants: FRAMATOME INC.
Inventors: KLAHN, Kurt, David
GRUENEWALD, Patrick
LAMBERT, Dorian, Tim
Title: METHOD AND DEVICE FOR REPLACING CONTROL ROD DRIVES
Abstract:
A control rod drive replacement device is provided. The control rod drive replacement device includes a first channel for mounting on a support under a nuclear reactor pressure vessel; a first control rod drive extractor removably received in the first channel, the first control rod drive extractor including a first housing configured for receiving a first control rod drive, the first housing being movable between a horizontal orientation in which the first housing is aligned within the first channel and a vertical orientation in which the first housing is aligned for receiving the first control rod drive from the nuclear reactor pressure vessel; a second channel connected on top of the first channel under the nuclear reactor pressure vessel; and a second control rod drive extractor removably received in the second channel, the second control rod drive extractor including a second housing configured for receiving a second control rod drive, the second housing being movable between a horizontal orientation in which the second housing is aligned within the second channel and a vertical orientation in which the second housing is aligned for receiving the second control rod drive from the nuclear reactor pressure vessel.