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2 302 672

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(51)

IPC

G21C3/04(2006-01-01)

(21) (22)

Application

2005116443/06, 2005-05-30

(24)

Start date

2005-05-30

(22)

Actual filing date

2005-05-30

(45)

Published

2007-07-10

(72)

Inventor

Kislitskij Aleksandr AntonovichEnin Anatolij AlekseevichSinikov Jurij Grigor'EvichStrukov Aleksandr VladimirovichZarubin Mikhail Grigor'EvichBychikhin Nikolaj Andreevich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod Khimkontsentratov"

GUIDE CHANNEL OF NUCLEAR REACTOR FUEL ASSEMBLY Russian patent published in 2007 - IPC G21C3/04

Abstract RU 2302672 C2

FIELD: nuclear power engineering; fuel elements for water cooled and water moderated nuclear reactors.

SUBSTANCE: proposed guide channel for fuel assemblies primarily used for type VVER-1000 reactors has tube and tip. The latter is essentially prefabricated structure. One part of mentioned structure is welded to tube on one of its ends disposed under outer surface of tube. Maximal diameter of tip external part welded to tube is not less than outer diameter of tube and diameter of metal portion disposed between tube end and maximal-diameter part of tip deformed in the course of welding.

EFFECT: enhanced manufacturability and performance characteristics of guide channel.

1 cl, 1 dwg

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RU 2 302 672 C2

Authors

Kislitskij Aleksandr Antonovich

Enin Anatolij Alekseevich

Sinikov Jurij Grigor'Evich

Strukov Aleksandr Vladimirovich

Zarubin Mikhail Grigor'Evich

Bychikhin Nikolaj Andreevich

Dates

2007-07-10—Published

2005-05-30—Filed