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(19)

(11)

2 594 357

(13)

(51)

IPC

G21C3/32(2006-01-01)

G21C3/12(2006-01-01)

(21) (22)

Application

2015124927/07, 2015-06-24

(24)

Start date

2015-06-24

(22)

Actual filing date

2015-06-24

(45)

Published

2016-08-20

(72)

Inventor

Derikot Anna PavlovnaFirsov Andrej Spartakovich

(73)

Holder

Rossijskaya Federatsiya, Ot Imeni Kotoroj Vystupaet Gosudarstvennaya Korporatsiya Po Atomnoj EnergiiAktsionernoe Obshshestvo Lenina Nauchno-Issledovatelskij I Konstruktorskij Institut Energotekhniki Imeni N.A. Dollezhalya"

JACKETLESS NUCLEAR REACTOR FUEL ASSEMBLY WITH LIQUID METAL COOLANT Russian patent published in 2016 - IPC G21C3/32 G21C3/12

Abstract RU 2594357 C1

FIELD: nuclear engineering.

SUBSTANCE: invention relates to nuclear engineering. Fuel Assembly for nuclear reactor with liquid metal coolant includes fuel elements, installed in a frame consisting of guide pipes, spacer grids and shank. Assembly comprises a collet lock, that is installed inside shank, and a control mechanism for lock. Control mechanism consists of a head and a spacer sleeve which are kinematically linked by rods. Rods are arranged inside guide pipes. Head is made in form of a sleeve with inner groove. Spacer sleeve is located inside collet lock to interact with it.

EFFECT: technical result of present invention is improving fixation reliability of fuel assembly in supporting structure of core with simultaneous simplification of operation on attachment and extraction of assembly from core.

1 cl, 2 dwg

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RU 2 594 357 C1

Authors

Derikot Anna Pavlovna

Firsov Andrej Spartakovich

Dates

2016-08-20—Published

2015-06-24—Filed