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1. (WO2018197105) A CERAMIC NUCLEAR FUEL PELLET, A FUEL ROD, AND A FUEL ASSEMBLY
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Pub. No.: WO/2018/197105 International Application No.: PCT/EP2018/056716
Publication Date: 01.11.2018 International Filing Date: 16.03.2018
IPC:
G21C 3/62 (2006.01) ,G21C 3/02 (2006.01) ,G21C 3/18 (2006.01) ,G21C 3/32 (2006.01)
G PHYSICS
21
NUCLEAR PHYSICS; NUCLEAR ENGINEERING
C
NUCLEAR REACTORS
3
Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements
42
Selection of substances for use as reactor fuel
58
Solid reactor fuel
62
Ceramic fuel
G PHYSICS
21
NUCLEAR PHYSICS; NUCLEAR ENGINEERING
C
NUCLEAR REACTORS
3
Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements
02
Fuel elements
G PHYSICS
21
NUCLEAR PHYSICS; NUCLEAR ENGINEERING
C
NUCLEAR REACTORS
3
Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements
02
Fuel elements
04
Constructional details
16
Details of the construction within the casing
18
Internal spacers or other non-active material within the casing, e.g. compensating for expansion of fuel rods or for compensating excess reactivity
G PHYSICS
21
NUCLEAR PHYSICS; NUCLEAR ENGINEERING
C
NUCLEAR REACTORS
3
Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements
30
Assemblies of a number of fuel elements in the form of a rigid unit
32
Bundles of parallel pin-, rod-, or tube-shaped fuel elements
Applicants:
WESTINGHOUSE ELECTRIC SWEDEN AB [SE/SE]; 721 63 Västerås, SE
Inventors:
MIDDLEBURGH, Simon Charles; GB
HALLSTADIUS, Lars; SE
Agent:
BJERKÉNS PATENTBYRÅ KB (STOCKHOLM); Box 5366 SE-102 49 Stockholm, SE
Priority Data:
17168130.726.04.2017EP
Title (EN) A CERAMIC NUCLEAR FUEL PELLET, A FUEL ROD, AND A FUEL ASSEMBLY
(FR) GLAÇON DE COMBUSTIBLE NUCLÉAIRE EN CÉRAMIQUE, CRAYON COMBUSTIBLE ET ASSEMBLAGE COMBUSTIBLE
Abstract:
(EN) A fuel assembly for a nuclear reactor, a fuel rod(4) of the fuel assembly, and a ceramic nuclear fuel pellet (10) of the fuel rod are disclosed. The fuel pellet comprises a first fissile material of UB2, The boron of the UB2 is enriched to have a concentration of the isotope 11B that is higher than for natural B.
(FR) L'invention concerne un assemblage combustible pour un réacteur nucléaire, un crayon combustible (4) de l'assemblage combustible et un glaçon de combustible nucléaire en céramique (10) du crayon de combustible. Le glaçon de combustible comprend une première matière fissile de UB2. Le bore de l'UB2 est enrichi pour avoir une concentration de l'isotope 11B supérieure à celle du B naturel.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)