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2 340 019

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C1

(51)

IPC

G21C3/32(2006-01-01)

(21) (22)

Application

2007115873/06, 2007-04-27

(24)

Start date

2007-04-27

(22)

Actual filing date

2007-04-27

(45)

Published

2008-11-27

(72)

Inventor

Karaulov Vladimir NikolaevichGlazov Andrej Gennad'EvichLeonov Viktor NikolaevichFilin Aleksandr Ivanovich

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie I Konstruktorskij Institut Ehnergotekhniki Imeni N.A. Dollezhalja"

NUCLEAR REACTOR FUEL ASSEMBLY Russian patent published in 2008 - IPC G21C3/32 

Abstract RU 2340019 C1

FIELD: physics; nuclear technology.

SUBSTANCE: fuel assembly consists of frame, in which are mounted rows of rod-type fuel elements, which are fuel cores put inside cylindrical shells. The frame consists of upper and lower end bars, distance elements, made in form of pipes, and fixing members. The pipes are installed in the space between rows and are in contact with the fuel cells and are fixed in grids. The fixing members are installed at the height of the frame with provision for holding the bunch of fuel cells and pipes. For the whole duration of the operation of the reactor, in the bunch there is guaranteed tightness due to holding members made from material with coefficient of linear expansion less than that of the material of the shield of fuel cells.

EFFECT: constant contact force between pipes and fuel cells.

17 cl, 7 dwg

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RU 2 340 019 C1

Authors

Karaulov Vladimir Nikolaevich

Glazov Andrej Gennad'Evich

Leonov Viktor Nikolaevich

Filin Aleksandr Ivanovich

Dates

2008-11-27—Published

2007-04-27—Filed

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