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2 557 254

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(51)

IPC

G21C3/356(2006-01-01)

(21) (22)

Application

2014109745/07, 2014-03-14

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Start date

2014-03-14

(22)

Actual filing date

2014-03-14

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Published

2015-07-20

(72)

Inventor

Aksenov Petr MikhajlovichIvanov Aleksandr ViktorovichLerner Aleksandr EfimovichLuzan Jurij Vasil'EvichSuslin Vadim IvanovichTsirin Stanislav IgorevichShapovalov Nikolaj Viktorovich

(73)

Holder

Publichnoe Aktsionernoe Obshchestvo Zavod"

NUCLEAR REACTOR FUEL ASSEMBLY SPACER GRID Russian patent published in 2015 - IPC G21C3/356

Abstract RU 2557254 C1

FIELD: power industry.

SUBSTANCE: spacer grids (SG) of fuel assemblies (FA) of the nuclear reactor consists of a rim, tubular cells with flat sides for welding with cells and with a rim, and curvilinear sides intended for contact with fuel elements, symmetrised with reference to the longitudinal axis of the cell. On the curvilinear sides intended for contact with fuel elements, symmetrically with reference to their axis the flat platforms intended for welding of cells with a rim, oriented parallel to rim sides are located. The offered design of SG has higher producibility since it allows to automate the process of welding of SG in general.

EFFECT: improvement of mechanical and hydraulic characteristics of a spacer grid due to reduction of length of curvilinear sections of a contour of cells.

5 cl, 4 dwg

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RU 2 557 254 C1

Authors

Aksenov Petr Mikhajlovich

Ivanov Aleksandr Viktorovich

Lerner Aleksandr Efimovich

Luzan Jurij Vasil'Evich

Suslin Vadim Ivanovich

Tsirin Stanislav Igorevich

Shapovalov Nikolaj Viktorovich

Dates

2015-07-20—Published

2014-03-14—Filed