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2 178 923

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IPC

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Application

99122180/06, 1999-10-22

(24)

Start date

1999-10-22

(22)

Actual filing date

1999-10-22

(45)

Published

2002-01-27

(72)

Inventor

Vasil'Chenko I.N.Kobelev S.N.Enin A.A.Kushmanov A.I.

(73)

Holder

Opytnoe Konstruktorskoe BjuroOtkrytoe Aktsionernoe Obshchestvo Zavod Khimkontsentratov"

NUCLEAR-REACTOR FUEL ASSEMBLY Russian patent published in 2002 - IPC

Abstract RU 2178923 C2

FIELD: heat energy generation and transfer to coolant in water-moderated reactor. SUBSTANCE: fuel assembly has fuel element bundle 1 with upper end plugs 2, pressurizers 3, and retainers 4 for fuel column 5. Fuel element bundle is placed in spacer grids 6 arranged through height of fuel assembly. Fuel assembly also has top and bottom nozzles 7 and 8, respectively, joined by means of supporting members. The latter are made in the form of angle plates 9 mounted at fuel assembly corners through its height from bottom nozzle 8. Angle plates are fixed to spacer grids 6 and to bottom nozzle 8. At least one spacer grid 11 is installed on fuel elements 1 in vicinity of pressurizers 3 from upper end plugs 2 to retainers 4 of fuel column 5. Spacer grid is not joined to angle plates 9, that is, it is free to move vertically relative to angle plates. EFFECT: enhanced mechanical strength of fuel assembly. 3 dwg

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RU 2 178 923 C2

Authors

Vasil'Chenko I.N.

Kobelev S.N.

Enin A.A.

Kushmanov A.I.

Dates

2002-01-27—Published

1999-10-22—Filed

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