Patents
Patents for G21C 7 - Control of nuclear reaction (2,764)
03/1997
03/11/1997US5610956 Fast reactor core
03/06/1997DE19532813A1 Molybdenum-free sintered nuclear fuel pellets
02/1997
02/25/1997US5606583 Guide tube for a nuclear fuel assembly, and a method of manufacturing such a tube
02/25/1997US5606582 Device for the automatic disconnection of a control rod and a nuclear reactor absorber cluster
01/1997
01/29/1997CN1141660A Weak ground reinforceing drain structure and method
01/23/1997DE19526565A1 Device for inspection of a nuclear reactor control or other rod
01/15/1997EP0753861A2 Arrangement for automatically decoupling a drive rod and an absorber assembly of a nuclear reactor
01/07/1997US5592522 Control rod for a nuclear reactor
01/07/1997US5592520 Latch handle for a control road in a nuclear reactor
12/1996
12/31/1996US5590393 Neutron-absorbing material and its production process
12/27/1996WO1996042087A1 Method and device for detection of out-of-phase oscillations in a boiling water reactor
12/27/1996EP0750317A1 Fuel assembly for a boiling water reactor with assymmetrical gaps
12/18/1996CN1033609C Control rod position indication system
12/11/1996EP0747536A1 Weak ground reinforcing drain structure and method and apparatus for arranging the same
12/11/1996CN1137838A Silver alloy containing indium and cadmium for making neutron-absorbing elements, and use thereof
12/04/1996EP0673539B1 Wear resistant coating for components of fuel assemblies and control assemblies and method of applying a wear resistant coating
12/03/1996US5581587 Control rod driving apparatus
12/03/1996US5581586 Drive device for control rod drive mechanisms
11/1996
11/20/1996EP0743651A1 Diving bell type control rod equipped with sodium inflow port
11/19/1996US5577088 Method and device for ultrasonic examination of faces of the internal surface of the wall of cladding
10/1996
10/31/1996DE19534952A1 Detecting unintended drop-in of reactor control rods
10/29/1996US5570402 Control rod housing support system with radiation shield rings
10/22/1996US5568528 Method and system for compensating a rod position indication system for non-linearity
10/16/1996EP0737357A1 Silver alloy containing indium and cadmium for making neutron-absorbing elements, and use thereof
10/08/1996US5563922 Method and system for indicating the position of control rods of a nuclear reactor
09/1996
09/26/1996WO1996029763A1 Electric circuit for selectively processing electrical signals
09/25/1996EP0428640B1 Heat-exchanger for cleaning coolant circuits
09/19/1996WO1996028827A1 Method for fueling and operating a nuclear reactor core
09/10/1996US5555279 Computer-based power oscillation monitoring system
08/1996
08/22/1996WO1996018195A3 System and process for controlling control rods in a nuclear power plant
08/08/1996WO1996016412A3 A method and system for compensating a rod position indication system for non-linearity
08/07/1996EP0725405A1 Electromagnetic device for a nuclear reactor absorbing assembly drive
08/06/1996US5544205 Device and method for checking the guide elements of a guide tube for the upper internals of a pressurized water nuclear reactor
08/06/1996US5544204 Method of influencing the reactivity of a neutron chain reaction in a nuclear reactor
08/04/1996CA2168632A1 Electromagnetic device for moving a nuclear reactor absorbent unit
08/01/1996WO1996023309A1 Control rod for monitoring the reactivity of a reactor core of a nuclear power station, use of the control rod in a boiling water reactor and process for producing a control rod
07/1996
07/31/1996CN1127920A System and method for simultaneously testing a plurality of control rods
07/18/1996WO1996021929A1 Method and device for operating a reactor in an unstable state
07/18/1996DE19500395A1 Verfahren und Vorrichtung zum Betrieb eines Reaktors im instabilen Zustand Method and apparatus for operation of a reactor in the unstable state
07/10/1996EP0720767A1 Control rod for nuclear reactor
07/02/1996US5533076 Control rod absorber tube with interference fit and viscous dampening between the end plug and absorber rod
07/02/1996US5532448 Drum manipulator for grasping a drum
06/1996
06/26/1996CN1032170C Device for vertical guidance of control rod cluster for nuclear reactor
06/20/1996DE19546597A1 Control bundle used in water-cooled nuclear reactors
06/18/1996US5528641 Fuel assembly
06/18/1996US5528639 Enhanced transient overpower protection system
06/13/1996WO1996018195A2 System and process for controlling control rods in a nuclear power plant
06/04/1996US5524033 Burnable poison comprising a plurality of isotopes
06/04/1996US5524030 Multistage control rod drive uncoupling tool
05/1996
05/30/1996WO1996016412A2 A method and system for compensating a rod position indication system for non-linearity
05/30/1996WO1996016411A1 Fast shutdown system and process for the fast shutdown of a nuclear reactor
05/21/1996US5519739 Boiling water type thermal neutron reactor and its operating method
05/17/1996WO1996014639A1 Silver alloy containing indium and cadmium for making neutron-absorbing elements, and use thereof
05/14/1996US5517536 Magnetic coupling device for control rod drive
05/14/1996US5516999 Process and device for fixing in a fluidtight manner a through tube in a dome-shaped wall of a component of a nuclear reactor
04/1996
04/30/1996US5513229 Method for removing control rod drive using tool to verify control rod drive uncoupling
04/30/1996US5513226 Destruction of plutonium
04/25/1996DE4441751C1 Schnellabschaltsystem und Verfahren zur Schnellabschaltung eines Kernreaktors Scram system and method for rapid shutdown of a nuclear reactor
04/18/1996WO1994014992A1 Manufacture of materials and workpieces having fine grain for components in nuclear plant applications
04/10/1996CN1120155A Device and method for checking the guide elements of a guide tube for the upper internals of a press urized water nuclear reactor
04/03/1996EP0483294B1 Method of continuing power operation of a nuclear reactor with misaligned control rods with respect to a demand position
03/1996
03/13/1996EP0700450A1 Hafnium alloys as neutron absorbers
02/1996
02/07/1996EP0696032A1 Transient adjusted overpower protection system
01/1996
01/24/1996EP0693753A1 Method for implementing a leakproof connection means between a control rod drive mechanism and an adapter of a nuclear reactor, and corresponding connection means
01/24/1996CN1115483A Internal equipments for a nuclear reactor having spacer columns and control cluster guides
01/10/1996EP0691657A1 Reactor core for a light water cooled reactor, fuel assembly and control rod
01/09/1996US5483565 Fuel assembly for a boiling water reactor
01/04/1996DE4433032C1 Safer nuclear reactor with combined water coolant and moderator
12/1995
12/26/1995US5479460 Method for moving a control rod drive in a boiling water reactor
12/07/1995WO1995033099A1 Weak ground reinforcing drain structure and method and apparatus for arranging the same
12/07/1995CA2170403A1 Weak ground reinforcing drain structure and method and apparatus for arranging the same
11/1995
11/28/1995US5471513 Split control rod drive
09/1995
09/27/1995EP0673539A1 Wear resistant coating for components of fuel assemblies and control assemblies and method of applying a wear resistant coating.
09/14/1995WO1995024290A1 System for feeding toxic waste drums into a treatment chamber
09/14/1995CA2184986A1 System for feeding toxic waste drums into a treatment chamber
09/13/1995CN1108420A A guide tube for a nuclear fuel assembly, and a method of manufacturing such a tube
09/05/1995US5446972 Control rod drive length measurement tool
08/1995
08/30/1995EP0669516A1 Ultrasonic control method and device for the facets on the internal surface of a cladding wall
08/29/1995US5446774 Spud finger gauge
08/22/1995US5443732 Boron isotope separation using continuous ion exchange chromatography
08/09/1995CN1106561A Control cluster for a nuclear reactor
07/1995
07/18/1995US5434896 Wear resistant coating for components of fuel assemblies and control assemblies, and method of enhancing wear resistance of fuel assembly and control assembly components using wear-resistant coating
07/05/1995EP0661719A1 Guide tube for nuclear fuel assembly and fabrication process for such a tube
06/1995
06/27/1995US5428651 Nuclear reactor locking piston drive system and valve assembly
06/20/1995US5426680 Method for removing control rod drive using tool to verify control rod drive uncoupling
06/14/1995EP0657402A1 Neutron absorbing composite material and process for its preparation
05/1995
05/31/1995EP0655747A1 Apparatus and method for inspecting the guiding elements of a guide thimble in the upper internals of a pressurized water reactor
05/30/1995US5420900 Internal equipments for a nuclear reactor having spacer columns and control cluster guides
05/30/1995US5420897 Fast reactor having reflector control system
05/17/1995EP0653094A1 Neutron absorber material and method of manufacture
05/17/1995CN1028460C Nuclear reactor control cluster guide device
05/16/1995US5416810 Internal equipment for a nuclear reactor having control cluster guides
04/1995
04/25/1995US5410121 System for feeding toxic waste drums into a treatment chamber
04/18/1995US5408508 System and method for simultaneously testing a plurality of control rods
04/11/1995US5406597 Boiling water reactor including split control rod drives
04/04/1995US5404381 Device for checking the guide elements of a guide tube for the upper internals of a pressurized water nuclear reactor
03/1995
03/30/1995WO1995008828A1 Control rod for nuclear reactor
03/28/1995US5400499 Internal bushing removal tool
03/02/1995DE4327920A1 Safety device for nuclear reactors, by means of additional neutrons
02/1995
02/28/1995US5394446 Uncoupling rod centering gauge
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