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Application

98119831/06, 1998-11-03

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Start date

1998-11-03

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Actual filing date

1998-11-03

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Published

2000-05-27

(72)

Inventor

Kurskov V.S.Ivanov A.V.Matveev S.P.Simakov G.A.Babenko Ju.N.Janjuk B.I.Bokov N.V.Mymchenko V.P.Potoskaev G.G.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod"

NUCLEAR REACTOR FUEL ELEMENT Russian patent published in 2000 - IPC

Abstract RU 2150151 C1

FIELD: organizing core for water-moderated reactors. SUBSTANCE: fuel element used to organize core of power reactor VVER-440 is proposed to have cylindrical hold- down spring for fuel pile. Spring has locking, damping, and compensating groups of turns with definite ratio of compensating and damping groups to total length of spring in released state. With relatively short length of fuel element space for mounting the spring number of turns of compensating and damping groups is strictly regulated; wire diameter of turns is 0.8 to 1.1 mm. EFFECT: improved service life and fuel burn-up, reduced specific stresses on spring. 9 cl, 2 dwg

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RU 2 150 151 C1

Authors

Kurskov V.S.

Ivanov A.V.

Matveev S.P.

Simakov G.A.

Babenko Ju.N.

Janjuk B.I.

Bokov N.V.

Mymchenko V.P.

Potoskaev G.G.

Dates

2000-05-27—Published

1998-11-03—Filed