Published January 23, 1992 | Version v1
Patent Metadata-only

Inspection device for peripheral fuel support metal

Creators

  • 1. Hitachi Ltd., Tokyo (Japan)

Description

An arm is delivered from a frame of an inspection device inserted from a fuel insertion lattice of an upper lattice plate for inspection of welded portion of fuel support metals. An ultrasonic probe, a potential difference detection terminal, etc. are attached to a sensor, which is scanned or moved along the arm, to enable volume inspection, sizing for cracks etc. The welded portion between reactor core support plates and peripheral fuel support metals is evaluated, in addition, fallen materials can be recovered thereby enabling to confirm integrity. (N.H.)

Availability note (English)

Available from JAPIO. Also available from INPADOC.

Additional details

Publishing Information

Imprint Pagination
9 p.
IPC:
Int. Cl. G21C17/00.
IPC
Int. Cl. G21C17/00.
Patent number
JP patent document 4-19596/A/

INIS

Country of Publication
Japan
Country of Input or Organization
Japan
INIS RN
23075720
Subject category
S22: GENERAL STUDIES OF NUCLEAR REACTORS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
ARMS; CRACKS; DETECTION; IN-SERVICE INSPECTION; NUCLEAR FUELS; PRESSURE VESSELS; REACTOR CORES; REACTOR LATTICES; SUPPORTS; ULTRASONIC TESTING; WELDED JOINTS
Descriptors DEC
ACOUSTIC TESTING; BODY; BODY AREAS; CONTAINERS; ENERGY SOURCES; FUELS; INSPECTION; JOINTS; LIMBS; MATERIALS; MATERIALS TESTING; MECHANICAL STRUCTURES; NONDESTRUCTIVE TESTING; REACTOR COMPONENTS; REACTOR MATERIALS; TESTING

Optional Information

Secondary number(s)
JP patent application 2-121346.