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2 069 838

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C1

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IPC

(21) (22)

Application

94015117/28, 1994-04-25

(22)

Actual filing date

1994-04-25

(45)

Published

1996-11-27

(72)

Inventor

Karlov Ju.K.Abiralov N.K.Gorbul' B.N.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Zavod Khimkontsentratov"

FUEL ELEMENT THICKNESS METERING DEVICE Russian patent published in 1996 - IPC

Abstract RU 2069838 C1

FIELD: nondestructive inspections; measuring thickness of cladding and intermediate layer of fuel elements for nuclear reactors by means of penetrating radiation. SUBSTANCE: displacement mechanisms of ionizing radiation sources and detectors incorporated in device are flexible planar bases mounting sources and detectors and arranged uniformly along fuel element section and secured on one end between shaped flat springs by means of pin on rod and frame; rod provided with lead container of gamma-ray sources mounting central hub has coaxial tubes with space between them being adjustable and filled with lead pellets; inner tube is elliptical in section with large horizontal axis. Device is suitable for use in hexahedral-shape fuel elements of several sizes, cylindrical and square fuel elements. EFFECT: improved measurement accuracy and capacity. 8 dwg

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RU 2 069 838 C1

Authors

Karlov Ju.K.

Abiralov N.K.

Gorbul' B.N.

Dates

1996-11-27—Published

1994-04-25—Filed

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