EP 3635749 A1 20200415 - SEAL PACKAGE FACE PLATE OF A SHAFT SEALING SYSTEM OF A REACTOR COOLANT PUMP
Title (en)
SEAL PACKAGE FACE PLATE OF A SHAFT SEALING SYSTEM OF A REACTOR COOLANT PUMP
Title (de)
STIRNPLATTE EINER DICHTUNGSVERPACKUNG FÜR EIN WELLENDICHTUNGSSYSTEM EINER REAKTORKÜHLMITTELPUMPE
Title (fr)
GLACE DE GARNITURE D'ETANCHEITE D'UN SYSTEME D'ETANCHEITE D'ARBRE DE GROUPE MOTOPOMPE PRIMAIRE
Publication
Application
Priority
- FR 1755117 A 20170608
- EP 2018065116 W 20180608
Abstract (en)
[origin: WO2018224633A1] The invention relates to a face plate (10, 11), made of silicon nitride, of a seal package (1) for a sealing system (4) of a shaft (7) of a reactor coolant pump in a nuclear reactor, said sealing system (4) being intended to ensure sealing between the primary circuit and the atmosphere, characterized in that said face plate (10, 11) has an active surface covered by a protective layer (13) made from a nonporous material that is chemically inert to pressurized water superheated to a temperature greater than or equal to 200°C.
IPC 8 full level
G21C 15/24 (2006.01); F16J 15/16 (2006.01); F16J 15/34 (2006.01); F16J 15/44 (2006.01); G21D 1/04 (2006.01)
CPC (source: EP KR US)
F16J 15/164 (2013.01 - US); F16J 15/3496 (2013.01 - EP KR); G21C 15/182 (2013.01 - US); G21C 15/24 (2013.01 - EP); G21C 15/243 (2013.01 - EP KR US); G21D 1/04 (2013.01 - EP KR); Y02E 30/00 (2013.01 - EP); Y02E 30/30 (2013.01 - EP)
Citation (search report)
See references of WO 2018224633A1
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 2018224633 A1 20181213; CN 110730990 A 20200124; EP 3635749 A1 20200415; FR 3067513 A1 20181214; FR 3067513 B1 20200117; JP 2020522709 A 20200730; JP 7160842 B2 20221025; KR 20200014773 A 20200211; US 2020161009 A1 20200521; ZA 201907913 B 20200930
DOCDB simple family (application)
EP 2018065116 W 20180608; CN 201880037495 A 20180608; EP 18729677 A 20180608; FR 1755117 A 20170608; JP 2019567549 A 20180608; KR 20197036208 A 20180608; US 201816619177 A 20180608; ZA 201907913 A 20191128