Published December 15, 1989 | Version v1
Patent Metadata-only

Device to open and close filter in nuclear installation and replacement process of filter fitting

Creators

Description

The device comprises a plug, an extended cylindrical body, an operating rod mounted axially with an opening, an axial displacement mean of the operating rod with a limited displacement, a cover for filter dosing connected to the operating rod and locking means of the filter cover. This device allows to replace the filter fitting without utilization of special tools

Availability note (English)

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

Abstract (French)

Le dispositif est constitue par un ensemble comportant le bouchon d'obturation de la casemate prolonge par un corps cylindrique, une tige de manoeuvre montee suivant l'axe d'une ouverture traversant axialement le bouchon et le corps cylindrique, un organe de deplacement axial, de la tige de manoeuvre, sur une longueur limitee, le couvercle de fermeture du filtre relie a l'une des extremites de la tige de manoeuvre et un dispositif de verrouillage du couvercle sur le corps de filtre. Le dispositif permet d'effectuer le remplacement de la garniture du filtre sans utiliser de module de manutention et d'outillage special de demontage du couvercle du filtre

Additional details

Additional titles

Original title (French)
Dispositif d'ouverture et de fermeture d'un filtre dans une installation nucleaire et procede de remplacement de la garniture du filtre

Publishing Information

Imprint Pagination
31 p.
IPC:
Int. Cl. G21c19/30; G21c17/02.
IPC
Int. Cl. G21c19/30; G21c17/02.
Patent number
FR patent document 2632763/A/

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
21095006
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
BIOLOGICAL SHIELDING; FILTERS; MAINTENANCE; OPENINGS; PRIMARY COOLANT CIRCUITS; PWR TYPE REACTORS
Descriptors DEC
COOLING SYSTEMS; ENRICHED URANIUM REACTORS; POWER REACTORS; REACTOR COMPONENTS; REACTOR COOLING SYSTEMS; REACTORS; SHIELDING; THERMAL REACTORS; WATER COOLED REACTORS; WATER MODERATED REACTORS

Optional Information

Secondary number(s)
FR patent application 8807634.