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(19)

RU

(11)

2 647 707

(13)

C1

(51)

IPC

G21C3/00(2006-01-01)

(21) (22)

Application

2016151504, 2016-12-26

(24)

Start date

2016-12-26

(22)

Actual filing date

2016-12-26

(45)

Published

2018-03-19

(72)

Inventor

Forstman Vladimir Aleksandrovich

(73)

Holder

Rossijskaya Federatsiya, Ot Imeni Kotoroj Vystupaet Gosudarstvennaya Korporatsiya Po Atomnoj Energii GoskorporatsiyaChastnoe Uchrezhdenie Goskorporatsii Tsentr Proekta Chastnoe Uchrezhdenie Ittsp

FUEL ASSEMBLY OF NUCLEAR REACTOR AND A METHOD OF ITS PRODUCING Russian patent published in 2018 - IPC G21C3/00 

Abstract RU 2647707 C1

FIELD: nuclear engineering.

SUBSTANCE: group of inventions refers to the designs for assemblies (fuel assemblies) of nuclear reactors. Fuel assembly of the nuclear reactor includes a head and a shank that are connected to each other by means of a cover, as well as a bundle of rod-type fuel elements that are placed in a cover by means of a grid and spiral spacing elements wrapped on the shell of each rod-type fuel element and fixed to its ends. Peripheral fuel rods in the bundle are made with spacing elements in the form of thin-walled tubes with through longitudinal slots, the spacing elements of the rod-type fuel elements of the peripheral row in the areas of contact with the cover have a predominantly oval shape in the cross section. There is also a method for manufacturing fuel assemblies.

EFFECT: group of inventions makes it possible to increase the reliability of the beam bundle separation in fuel assemblies.

12 cl, 2 dwg

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RU 2 647 707 C1

Authors

Forstman Vladimir Aleksandrovich

Dates

2018-03-19—Published

2016-12-26—Filed

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