(19)

(11)

EP 4 226 393 A1

(12)

(43) Date of publication: 16.08.2023 Bulletin 2023/33 (21) Application number: 21840387.1 (22) Date of filing: 07.10.2021

(51) International Patent Classification (IPC):  G21C 3/20(2006.01) G21C 3/04(2006.01) G21C 21/02(2006.01) G21C 3/62(2006.01) G21C 7/04(2006.01) (52) Cooperative Patent Classification (CPC): G21C 3/20; G21C 3/62; G21C 3/045; G21C 21/02; G21C 7/04; Y02E 30/30 (86) International application number: PCT/US2021/071767 (87) International publication number: WO 2022/077014 (14.04.2022 Gazette 2022/15)

(84) Designated Contracting States: 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 States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 07.10.2020 US 202017065374 (71) Applicant: Westinghouse Electric Company LLC Cranberry Township, PA 16066 (US)	(72) Inventors: XU, Peng Columbia, South Carolina 29229 (US) CAI, Lu Columbia, South Carolina 29229 (US) LAHODA, Edward, J. Edgewood, PA 15218 (US) (74) Representative: Fleuchaus & Gallo Partnerschaft mbB  Steinerstraße 15/A 81369 München 81369 München (DE)