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2 217 819

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Application

2002101637/06, 2002-01-15

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Start date

2002-01-15

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Actual filing date

2002-01-15

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Published

2003-11-27

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Inventor

Solonin M.I.Nikishov O.A.Vasil'Ev M.P.Shikov A.K.Bocharov O.V.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Vserossijskij Nauchno-Issledovatel'Skij Institut Neorganicheskikh Materialov Im. Akad. A.A. Bochvara

NUCLEAR REACTOR FUEL ELEMENT Russian patent published in 2003 - IPC

Abstract RU 2217819 C2

FIELD: nuclear power engineering. SUBSTANCE: fuel element designed for use in composite fuel assembly of core power control and protection system in type VVER-440 reactor has sealed tubular can accommodating fuel pellets, fuel-stack retention pin disposed in gas expansion space, and excess neutron absorbing insert disposed between extreme pellet and retention pin. Insert is made of graphite or of graphite-zirconium alloy; can also accommodates additional fuel pellets. EFFECT: enhanced use factor of reactor core. 4 cl

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RU 2 217 819 C2

Authors

Solonin M.I.

Nikishov O.A.

Vasil'Ev M.P.

Shikov A.K.

Bocharov O.V.

Dates

2003-11-27—Published

2002-01-15—Filed

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