公开(公告)号：FR2846466A1

公开(公告)日：2004-04-30

申请号：FR9813023

申请日：1998-10-16

Applicant: FRAMATOME SA

Inventor： FERLAY JEAN CLAUDE ,  GUGLIELMO ANDRE ,  GRYPCZYNSKI DANIEL ,  LADOUCEUR BRUNO ,  MOREL GILLES ,  PARIZE CHRISTOPHE

IPC: G21C19/20 ,  G21C19/32 ,  G21C19/00 ,  G21C19/26

Abstract: The process, for use on a pressurized water reactor (PWR) that is shut down and cool, comprises raising the core top plate (4a) with lifting and handling equipment in a pond above the core vessel (1). When a fuel assembly remains attached to the top plate, a fuel assembly holder (22) is lowered into a position where it holds the fuel assembly onto the top plate while it is transferred to a receiver (15) within the pond. The holder is then released, and the fuel assembly is deposited in the receiver, if necessary after cutting its centering pin.

公开(公告)号：FR2811064B1

公开(公告)日：2002-09-27

申请号：FR0008531

申请日：2000-06-30

Applicant: FRAMATOME SA

Inventor： FERLAY JEAN CLAUDE ,  GELY MARC ,  JOUIN DOMINIQUE ,  ROUSSON ROGER

IPC: F22B37/00 ,  F28F11/02 ,  F22B37/22

公开(公告)号：FR2790326B1

公开(公告)日：2001-12-21

申请号：FR9902375

申请日：1999-02-25

Applicant: FRAMATOME SA

Inventor： FICHET BRUNO ,  MOREL GILLES ,  FERLAY JEAN CLAUDE

IPC: G21C17/00 ,  G21C5/06

公开(公告)号：FR2846466B1

公开(公告)日：2005-02-04

申请号：FR9813023

申请日：1998-10-16

Applicant: FRAMATOME SA

Inventor： FERLAY JEAN CLAUDE ,  GUGLIELMO ANDRE ,  GRYPCZYNSKI DANIEL ,  LADOUCEUR BRUNO ,  MOREL GILLES ,  PARIZE CHRISTOPHE

IPC: G21C19/20 ,  G21C19/32 ,  G21C19/00 ,  G21C19/26

公开(公告)号：FR2790326A1

公开(公告)日：2000-09-01

申请号：FR9902375

申请日：1999-02-25

Applicant: FRAMATOME SA

Inventor： FICHET BRUNO ,  MOREL GILLES ,  FERLAY JEAN CLAUDE

IPC: G21C17/00 ,  G21C5/06

Abstract: The procedure consists of applying a shock to the centering pin (3) and registering the delayed signal from the shock detected by a vibration sensor (25) located close to the pin. The signal delivered by the sensor is processed and analyses in a Fourier series, and a frequency corresponding to the maximum value of the response spectrum is selected and compared with a reference value to determined whether the pin is properly locked. The apparatus used for the procedure includes a system for lowering a frame (11) with a supporting plate (12) into the water, a swinging hammer (16), a positioning system (26, 35, 36, 37) for the vibration detector. a hammer actuating mechanism (20, 21, 22), and signal registering and processing systems.

公开(公告)号：FR2746337B1

公开(公告)日：1998-06-12

申请号：FR9603408

申请日：1996-03-19

Applicant: FRAMATOME SA

Inventor： FERLAY JEAN CLAUDE ,  TETU JEAN

IPC: B23P19/02 ,  B25B27/06 ,  F28F11/00 ,  B23P19/04 ,  F16L55/18 ,  F22B37/00 ,  F28F11/02

公开(公告)号：FR2811064A1

公开(公告)日：2002-01-04

申请号：FR0008531

申请日：2000-06-30

Applicant: FRAMATOME SA

Inventor： FERLAY JEAN CLAUDE ,  GELY MARC ,  JOUIN DOMINIQUE ,  ROUSSON ROGER

IPC: F22B37/00 ,  F28F11/02 ,  F22B37/22

Abstract: The maintenance equipment, designed to be introduced into the water chamber (2) of a nuclear reactor steam generator heat exchanger having a hemispherical outer wall (3) with an inspection port (8) and an inner transverse tube plate (4), consists of a beam (16) carrying a turret (15) and at least one maintenance tool (24) which can be introduced through the inspection port. The beam (16) is able to move relative to the turret by a rack and pinion mechanism and acts as a guide for at least one carriage (20) supporting the maintenance tool (24). The turret has at least one head (36) for fixing it to the tube plate, and the maintenance equipment carries cameras (12, 51) for monitoring its operations.

公开(公告)号：FR2746337A1

公开(公告)日：1997-09-26

申请号：FR9603408

申请日：1996-03-19

Applicant: FRAMATOME SA

Inventor： FERLAY JEAN CLAUDE ,  TETU JEAN

IPC: B23P19/02 ,  B25B27/06 ,  F28F11/00 ,  B23P19/04 ,  F16L55/18 ,  F22B37/00 ,  F28F11/02

公开(公告)号：FR2686821B1

公开(公告)日：1996-06-21

申请号：FR9201022

申请日：1992-01-30

Applicant: FRAMATOME SA

Inventor： FERLAY JEAN CLAUDE ,  TETU JEAN

IPC: B23Q5/04 ,  B23Q11/04 ,  F22B37/00 ,  B23P15/26 ,  F28F9/18