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2 127 000

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C1

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IPC

(21) (22)

Application

96100271/25, 1996-01-05

(22)

Actual filing date

1996-01-05

(45)

Published

1999-02-27

(72)

Inventor

Sinikov Ju.G.Mar'Ev K.V.Enin A.A.Kushmanov A.I.Petrov V.M.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Zavod Khimkontsentratov"

SPACER GRID (VERSIONS) Russian patent published in 1999 - IPC

Abstract RU 2127000 C1

FIELD: nuclear power engineering; fuel assemblies of nuclear reactors. SUBSTANCE: spacer grid is built up of cells abutting with faces of their polyhedrons against each other and having internal projections of different height provided on their three non-adjacent faces so that some of them (working ones) are in center of these faces and other projections (safety pieces), on their edges; there are also notches along working projections, either side of them; cells are made in the form of octahedrons or nonahedrons with outline closed over perimeter. Cells are mounted so that their faces with projections and notches never come in contact with each other; notches are made on faces with projections. Cells may be provided with safety projections and notches on one of their faces only. Safety projections are made so that their height equals that of working projections provided on two other faces; working projection made on same face as safety projections is higher than remaining projections. EFFECT: improved reliability of spacer grid, facilitated manufacture due to improving crosswise stiffness and flexibility of cells. 2 cl, 11 dwg

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RU 2 127 000 C1

Authors

Sinikov Ju.G.

Mar'Ev K.V.

Enin A.A.

Kushmanov A.I.

Petrov V.M.

Dates

1999-02-27—Published

1996-01-05—Filed

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