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1. (WO2017176344) SPRING APPARATUS AND SUPPORT APPARATUS USABLE IN NUCLEAR INSTALLATION

Pub. No.:    WO/2017/176344    International Application No.:    PCT/US2017/014487
Publication Date: Fri Oct 13 01:59:59 CEST 2017 International Filing Date: Tue Jan 24 00:59:59 CET 2017
IPC: G21C 3/33
Applicants: WESTINGHOUSE ELECTRIC COMPANY LLC
Inventors: CHOI, Joonhyung
ALESHIN, Yuriy
Title: SPRING APPARATUS AND SUPPORT APPARATUS USABLE IN NUCLEAR INSTALLATION
Abstract:
A spring apparatus in accordance with the disclosed and claimed concept is usable in a nuclear installation. In one embodiment, the spring apparatus includes a plurality of springs that are in a compressed state and that are compressively engaged with an upper core plate of a nuclear reactor when the reactor is in a cold condition. However, when the reactor is in a hot condition, a spring of the plurality of springs is in a free state wherein a free end of the spring is in an uncompressed state and is disengaged from the upper core plate. In another embodiment, the spring apparatus employs a support apparatus that is also in accordance with the disclosed and claimed concept and that includes one or more bumpers that engage the springs of a spring pack from the underside.