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2 428 755

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(51)

IPC

G21C3/30(2006-01-01)

(21) (22)

Application

2010106509/07, 2010-02-26

(24)

Start date

2010-02-26

(22)

Actual filing date

2010-02-26

(45)

Published

2011-09-10

(72)

Inventor

Doronin Aleksandr SergeevichDukhovenskij Andrej SergeevichMukhachev Vladimir NikolaevichSemchenkov Jurij Mikhajlovich

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Uchrezhdenie Issledovatel'Skij Tsentr Institut"

COVERLESS FUEL ASSEMBLY WITH HEXAGONAL FUEL GRID OF WATER-COOLED POWER REACTOR (VERSIONS) Russian patent published in 2011 - IPC G21C3/30

Abstract RU 2428755 C1

FIELD: power industry.

SUBSTANCE: fuel assembly includes tail and head parts of assembly and spacer grids located between them and the rim of which has the shape of regular hexagon. Spacer grids include cells for fuel elements, which are installed along triangular net so that coaxial hexagonal rows are formed inside the rim. Guide channels for displacers are installed between cells, namely in the centre of spacer grid, at the corners of the fourth row of the rim, at the corners of the eighth row of the rim and in middles of the sides of the fourth row of the rim.

EFFECT: increasing burnup fraction and breeding ratio of nuclear fuel.

30 cl, 8 dwg

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RU 2 428 755 C1

Authors

Doronin Aleksandr Sergeevich

Dukhovenskij Andrej Sergeevich

Mukhachev Vladimir Nikolaevich

Semchenkov Jurij Mikhajlovich

Dates

2011-09-10—Published

2010-02-26—Filed