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2 126 181

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IPC

(21) (22)

Application

97112786/25, 1997-07-25

(22)

Actual filing date

1997-07-25

(45)

Published

1999-02-10

(72)

Inventor

Zakharov A.V.Risovanyj V.D.Klochkov E.P.

(73)

Holder

Gosudarstvennyj Nauchnyj Tsentr Rossijskoj Federatsii Nauchno-Issledovatel'Skij Institut Atomnykh Reaktorov

ABSORBING ELEMENT OF NUCLEAR REACTOR CONTROL ROD Russian patent published in 1999 - IPC

Abstract RU 2126181 C1

FIELD: nuclear power engineering. SUBSTANCE: absorbing element based on boron-containing materials is provided with additional gas trap made in bottom part of its can and used to receive (n, (n, γ)-)-absorber placed throughout its length and made, for example, in the form of hafnium sleeve. Free space of gas trap amounts to 2-10% of total inner volume of element. EFFECT: improved service life of absorbing elements without noticeable decrease in neutron absorption efficiency. 3 cl, 1 dwg

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RU 2 126 181 C1

Authors

Zakharov A.V.

Risovanyj V.D.

Klochkov E.P.

Dates

1999-02-10—Published

1997-07-25—Filed