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Application

2003132030/06, 2003-10-31

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Start date

2003-10-31

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Actual filing date

2003-10-31

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Published

2005-09-27

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Inventor

Luzin A.M.Petrov A.N.Batuev V.I.Filippov E.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod Khimkontsentratov"

METHOD AND DEVICE FOR INSPECTING AND GRADING FUEL ELEMENTS Russian patent published in 2005 - IPC

Abstract RU 2261489 C2

FIELD: nuclear engineering; manufacture of fuel elements for nuclear reactor fuel assemblies.

SUBSTANCE: fuel element is detected by sensor on measurement position. In response to sensor signal it is clamped and held in position for local pulsed heating in compensating volume region. Temperature variations are recorded while fuel element is turned in beginning and end of its heating, and during turn intervals. Helium pressure and pressure measurement ranges are given in description of invention. Pressure measurement assembly of inspection device is built of four functional units incorporating pneumatic distributor, primary transducer, induction heating generator, as well as treatment and control module built around industrial computer.

EFFECT: enhanced quality and operating reliability of fuel elements due to detection of leaky ones and their isolation.

3 cl, 3 dwg

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RU 2 261 489 C2

Authors

Luzin A.M.

Petrov A.N.

Batuev V.I.

Filippov E.A.

Dates

2005-09-27—Published

2003-10-31—Filed

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