Published September 23, 1983 | Version v1
Patent Metadata-only

Mobile element position indicator, especially for reactor control rods

Creators

Description

This invention concerns a position indicator operating without any direct mechanical contact: a permanent magnet, solid with a mobile element, work together with a sensor under magnet local influence. The sensor is composed of a delay line with a saturable ferrite core on wich a HF pulse propagation winding is coiled. The position indicator signal is produced by a reflectometer

Availability note (English)

Available from Institut National de la Propriete Industrielle, Paris (France).

Abstract (French)

L'invention est relative a un detecteur de position sans aucun contact mecanique direct. Un aimant permanent solidaire d'un element mobile coopere avec un capteur soumis a l'action locale de l'aimant. Le capteur est forme par une ligne a retard a noyau en ferrite saturable sur lequel est bobine un enroulement de propagation d'impulsions HF. Un reflectometre fournit le signal indicateur de position. Le detecteur peut etre applique a la detection de la position d'une barre de controle d'un reacteur nucleaire

Additional details

Additional titles

Original title (French)
Detecteur de position d'un element mobile, notamment d'une barre de controle d'un reacteur nucleaire

Publishing Information

Imprint Pagination
13 p.
IPC:
Int. Cl. G01b7/14; G21c17/10.
IPC
Int. Cl. G01b7/14; G21c17/10.
Patent number
FR patent document 2523719/A/

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
16085866
Subject category
S22: GENERAL STUDIES OF NUCLEAR REACTORS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
CONTROL ELEMENTS; DELAY CIRCUITS; DISPLACEMENT GAGES; FUEL MOTION DETECTION; MONITORING; PULSED MAGNET COILS
Descriptors DEC
DETECTION; ELECTRIC COILS; ELECTRICAL EQUIPMENT; ELECTRONIC CIRCUITS; EQUIPMENT; MAGNET COILS; MEASURING INSTRUMENTS; REACTOR COMPONENTS

Optional Information

Secondary number(s)
FR patent application 8204665.