Variable propellant density for passive reactivity control of nuclear thermal propulsion reactors

Fail-safe control rod drive system for nuclear reactor

Fission reaction control in a molten salt reactor

Fail-safe control rod drive system for nuclear reactor

SMALL, FAST NEUTRON SPECTRUM NUCLEAR POWER PLANT WITH A LONG REFUELING INTERVAL

SYSTEMS AND METHODS OF MONITORING OPERATION OF CONTROL ROD MECHANISMS OF NUCLEAR POWER PLANTS

Molten salt reactor

Nuclear-reactor control-absorber drive mechanism and corresponding monitoring method and nuclear reactor

Combined mounting/electrical distribution plate for powering internal control rod drive mechanism (CRDM) units of a nuclear reactor

Method of operating a nuclear power plant

Environmentally robust electromagnets and electric motors employing same for use in nuclear reactors

Control rod guide tube with an extended intermediate guide assembly

Small modular reactor fuel assembly

Nuclear reactor with screw-nut drive of core reactivity control members

REACTOR PROTECTION-PROCESSOR-TO-REACTOR-TRIP BREAKER INTERFACE AND METHOD FOR OPERATING THE SAME

Fuel assembly with an external dashpot disposed around a guide tube portion

Control rod drive mechanism (CRDM) with remote disconnect mechanism

Passive reactivity control in a nuclear fission reactor

Device for passive protection of a nuclear reactor

Thermal reactor systems and methods

Installation structure for installing control rod drive mechanism and cable sealing unit in nuclear reactor pressure vessel

Molten fuel nuclear reactor with neutron reflecting coolant

Control rod drive mechanism (CRDM) mounting method for pressurized water reactors

Apparatus and system for simulating maintenance of reactor core protection system

Magnetically-actuated isolated rod couplings for use in a nuclear reactor control rod drive

Out-of-core nuclear instrumentation device

Fail-safe reactivity compensation method for a nuclear reactor

Method and system for providing fuel in a nuclear reactor

SMALL, FAST NEUTRON SPECTRUM NUCLEAR POWER PLANT WITH A LONG REFUELING INTERVAL

Secondary startup neutron source

Molten salt reactor core with reflector

Molten salt reactor

Molten fuel nuclear reactor with neutron reflecting coolant

Nuclear fission reactor, flow control assembly, methods therefor and a flow control assembly system

Passive reactivity control of nuclear thermal propulsion reactors

Circuit arrangement for a safety IandC system

Passive inherent reactivity coefficient control in nuclear reactors

Reactivity control in a molten salt reactor

Fuel assembly for a nuclear power boiling water reactor

Nuclear power generation system utilizing thermal expansion in metallic members to move a neutron reflector

Electromagnetic coil bobbin used in reactor as well as inner bobbin and outter shell

Nuclear reactor scram control system

Control rod drive includes an electric drive and a toothed rack

Nuclear reactor system having natural circulation of primary coolant

Neutron reflector assembly for dynamic spectrum shifting

Portable apparatus for the boration of continuously flowing water

Fuel element with multi-smear density fuel

Fail-safe control rod drive system for nuclear reactor

Control rod position indicator

In-situ determination of rod control system coil and cable impedances for nuclear power plants

Anti-seismic apparatus for control element drive mechanisms

Positional encoder and control rod position indicator for nuclear reactor using same

Method for operating a pressurized water reactor during load monitoring

Safety system for a nuclear power plant and method for operating the same

Gray control rod having a neutron absorber comprising terbium and dysprosium

Control rod/control rod drive mechanism couplings

Method of forming a support structure for a control rod assembly of a nuclear reactor

Magneto-rheological fluid based filter/reflector

Method for guaranteeing fast reactor core subcriticality under conditions of uncertainty regarding the neutron-physical characteristics thereof

Reactivity control method and telescoped control rod for pebble-bed high-temperature gas-cooled reactor

Traveling wave nuclear fission reactor, fuel assembly, and method of utilizing control rods to control burnfront

Automatic hydropneumatic actuation device

Fission reaction control in a molten salt reactor

Method for treating an absorber pin containing contaminated boron carbide and sodium

Nuclear fission igniter

Stable startup system for nuclear reactor

Magnetic jack type control element drive mechanism for precision position control of control element assembly

Material made of uranium, gadolinium and oxygen and use thereof as consumable neutron poison

Fissionable material energy extraction system

Investigation system

Modular transportable nuclear generator

Actuating a nuclear reactor safety device

Systems and methods of remote control rod drive decoupling

Electric fission reactor for space applications

Method of optimising the output of a sensor for indicating the relative location of a mettalic object

Sensor assembly for measuring the relative position of a control rod connected to a lead screw within a nuclear reactor

Control rod guide tube with an extended intermediate guide assembly

Magnetic jack type in-vessel control element drive mechanism

Fail-safe control rod drive system for nuclear reactor

Simulation construction method for the measurement of control rod insertion time

Nuclear reactor control rod with SIC fiber reinforced structure

Control rod drive mechanism

Device for closing a drive casing pipe

In-vessel control rod drive mechanism and nuclear reactor with the same

Control rod/control rod drive mechanism couplings

Passive shutdown system and method of operating a liquid metal cooled reactor using the same

Managing nuclear reactor control rods

System and apparatus for plant monitoring and control

Nuclear reactor power regulator

Control rod drive mechanism built in nuclear reactor

Method and system for determining power plant machine reliability

Compact nuclear power generation system

Integral molten salt reactor

Decay heat removal system with hybrid heat pipe having coolant and neutron absorber for cooling nuclear power plant

Cooling duct assembly for control element drive mechanism

Control rod-driving control apparatus and a method thereof

CRDM designs with separate SCRAM latch engagement and locking

Small, fast neutron spectrum nuclear power plant with a long refueling interval

Controllable long term operation of a nuclear reactor

CRDM with separate scram latch engagement and locking

CRDM with separate SCRAM latch engagement and locking

Method for producing, from a preform made of austenitic stainless steel with a low carbon content, a wear-resistant and corrosion-resistant cladding for a nuclear reactor, corresponding cladding and corresponding control cluster

Feedwater temperature control methods and systems

Nuclear reactor assembly having a connection between a control rod guide tube and a drive housing pipe

System and method for annealing nuclear fission reactor materials

Small modular reactor fuel assembly

Fail-safe reactivity compensation method for a nuclear reactor

Apparatus for detecting a magnetically conductive object and position measuring system for measuring the position of a guide rod and associated position measuring method

Apparatus and method for controlling control rod of nuclear reactor for nuclear power plant

Method of fabricating liquid-metal coolants for nuclear reactors

Coil assembly for a control rod driver having improved thermal resistance, and method for manufacturing the same

Nuclear control rod with flexure joint

Rotary actuator

Nuclear reactor and power generation facility

Suspended upper internals for compact nuclear reactor including a mid-hanger plate

Suspended upper internals for compact nuclear reactor including a lower hanger plate

Integral pressurized water reactor with compact upper internals assembly

CRDM internal electrical connector

Reactor shutdown trip algorithm using derivatives

Reactor shutdown trip algorithm

Suspended upper internals with tie rod couplings for compact nuclear reactor

Locking fastener for securing components in a nuclear reactor

Power distribution plate for powering internal control rod drive mechanism (CRDM) units

Control rod assembly impact limiter

Position measuring system and associated measuring method for detecting an indicated position of a linearly movable guide element

Positional encoder and control rod position indicator for nuclear reactor using same

Control rod drive mechanism (CRDM) mounting system for pressurized water reactors

Solid interface joint with open pores for nuclear control rod

Nuclear power plant control system and nuclear power plant control method

Stable startup system for a nuclear reactor

Control rod position indication systems and methods for nuclear power plants

Passive reactivity control apparatus

Reactor shutdown trip algorithm using derivatives

Critical heat flux prediction device, critical heat flux prediction method and safety evaluation system

Control rod with outer hafnium skin

Control system for plant

Control system for nuclear facilities

Fuel assembly, a guide thimble device and use of the guide thimble device

Control rod for a nuclear power light water reactor

Control rod

Environmentally robust electromagnets and electric motors employing same for use in nuclear reactors

Apparatus, method and program for monitoring nuclear thermal hydraulic stability of nuclear reactor

Compact integral pressurized water nuclear reactor

Control rod for high temperature gas reactor

Tie plate with variable orifice and methods for selective control of fuel assembly coolant flow

Nuclear control rod position indication system

Control system and method for pressurized water reactor (PWR) and PWR systems including same

Nuclear reactor internal hydraulic control rod drive mechanism assembly

Nuclear reactor internal electric control rod drive mechanism assembly

Support structure for a control rod assembly of a nuclear reactor

Compact nuclear reactor

Axial power distribution prediction method and axial power distribution prediction device

Fine motion control rod drive mechanism handling apparatus and method of handling fine motion control rod drive mechanism

Small, fast neutron spectrum nuclear power plant with a long refueling interval

Methods and systems for migrating fuel assemblies in a nuclear fission reactor

Methods and systems for migrating fuel assemblies in a nuclear fission reactor

Methods and systems for migrating fuel assemblies in a nuclear fission reactor

Methods and systems for migrating fuel assemblies in a nuclear fission reactor

Systems and methods for controlling reactivity in a nuclear fission reactor

Systems and methods for controlling reactivity in a nuclear fission reactor

Systems and methods for controlling reactivity in a nuclear fission reactor

Movement of materials in a nuclear reactor

Nuclear reactor operation and simulation

Control rod drive mechanism for nuclear reactor

Method for surface processing a zirconium or hafnium alloy, and component processed in this manner

Burnable poison materials and apparatuses for nuclear reactors and methods of using the same

Nuclear fission reactor fuel assembly and system configured for controlled removal of a volatile fission product

Nuclear fission reactor fuel assembly and system configured for controlled removal of a volatile fission product and heat released by a burn wave in a traveling wave nuclear fission reactor and method for same

Nuclear fission reactor fuel assembly and system configured for controlled removal of a volatile fission product and heat released by a burn wave in a traveling wave nuclear fission reactor and method for same

Nuclear fission reactor fuel assembly and system configured for controlled removal of a volatile fission product and heat released by a burn wave in a traveling wave nuclear fission reactor and method for same

Traveling wave nuclear fission reactor, fuel assembly, and method of controlling burnup therein

Traveling wave nuclear fission reactor, fuel assembly, and method of controlling burnup therein

Moderator temperature coefficient measurement apparatus

Axial power distribution control method, axial power distribution control system and axial power distribution control program

Automated nuclear power reactor for long-term operation

Boiling water reactor nuclear power plant with alcohol injection

Nuclear fission igniter

Computer-implemented method and system for designing a nuclear reactor core which satisfies licensing criteria

Method and system for designing a nuclear reactor core for uprated power operations