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2 622 112

(13)

(51)

IPC

G21C3/30(2006-01-01)

(21) (22)

Application

2016109488, 2016-03-17

(24)

Start date

2016-03-17

(22)

Actual filing date

2016-03-17

(45)

Published

2017-06-13

(72)

Inventor

Aksenov Petr MikhajlovichLerner Aleksandr EfimovichLuzan Yurij VasilevichIvanov Aleksandr Viktorovich

(73)

Holder

Publichnoe Aktsionernoe Obshchestvo Zavod"

NUCLEAR REACTOR FUEL ASSEMBLY Russian patent published in 2017 - IPC G21C3/30

Abstract RU 2622112 C1

FIELD: physics.

SUBSTANCE: invention relates to fuel assemblies (fuel assemblies) of "ВВЭР" -type nuclear reactors ("ВВЭР-440", "ВВЭР-1000", etc.). The claimed fuel assembly provides for the implementation of anti-debris filters (ADF) in the form of a thick-walled cylindrical shell having rows of evenly spaced channels for passing the coolant curved in the circumferential direction until the filter is opaque along the axis of the fuel assembly, the neighboring rows of channels being displaced Relative to each other in the axial direction.

EFFECT: creation of a labyrinth-type NRF design, which has increased efficiency with respect to the capture of debris objects, both curvilinear and rectilinear.

7 cl, 6 dwg

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RU 2 622 112 C1

Authors

Aksenov Petr Mikhajlovich

Lerner Aleksandr Efimovich

Luzan Yurij Vasilevich

Ivanov Aleksandr Viktorovich

Dates

2017-06-13—Published

2016-03-17—Filed