EP 3776595 A1 20210217 - NUCLEAR REACTOR AND CORRESPONDING MAINTENANCE METHOD
Title (en)
NUCLEAR REACTOR AND CORRESPONDING MAINTENANCE METHOD
Title (de)
KERNREAKTOR UND ENTSPRECHENDES WARTUNGSVERFAHREN
Title (fr)
RÉACTEUR NUCLÉAIRE ET PROCÉDÉ DE MAINTENANCE CORRESPONDANT
Publication
Application
Priority
- FR 1852975 A 20180405
- EP 2019058487 W 20190404
Abstract (en)
[origin: WO2019193088A1] The invention relates to a nuclear reactor comprising: guide tubes (12), vessel head penetrations (22) each comprising a tubular adapter (24) fixed in one of the openings (2a) and defining an inner passage (34), each vessel head penetration (22) also comprising a tubular sleeve (36) engaged in the inner passage (34) and axially extending in line with one of the guide tubes (12), each sleeve (36) being suspended by an upper axial sleeve end (38) lying on an upper range (40) on the corresponding adapter (24), a lower axial end (48) of the sleeve (36) projecting axially into the vessel (1) beyond the adapter (24) and being separated from an upper axial end (54) of the corresponding guide tube (12) by an axial gap having an axial height of less than 50 millimetres.
IPC 8 full level
G21C 7/10 (2006.01); G21C 13/036 (2006.01)
CPC (source: EP KR US)
G21C 7/10 (2013.01 - EP KR US); G21C 7/16 (2013.01 - US); G21C 13/036 (2013.01 - EP KR US); G21C 19/20 (2013.01 - US); Y02E 30/30 (2013.01 - EP KR)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2019193088 A1 20191010; CN 111919265 A 20201110; EP 3776595 A1 20210217; FR 3079960 A1 20191011; FR 3079960 B1 20200313; JP 2021520491 A 20210819; JP 7317041 B2 20230728; KR 102649496 B1 20240319; KR 20200141458 A 20201218; TW 201944432 A 20191116; US 11557402 B2 20230117; US 2021366624 A1 20211125; ZA 202005771 B 20210825
DOCDB simple family (application)
EP 2019058487 W 20190404; CN 201980023011 A 20190404; EP 19714223 A 20190404; FR 1852975 A 20180405; JP 2020554179 A 20190404; KR 20207030102 A 20190404; TW 108112204 A 20190408; US 201917045086 A 20190404; ZA 202005771 A 20200917