Patents-Review.com
ClassID:

200163 ⎘

G21C7/08 - CPC Classification

Classification description:

Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods

Sub-classes:
Recent Application in this class:
#1
20250079027
2025-03-06

DOPPLER REACTIVITY AUGMENTATION DEVICE

 #2
20240404716
2024-12-05

CONTROLLING A POWER OUTPUT OF A NUCLEAR REACTION USING CHEMICAL INJECTION

 #3
20240355488
2024-10-24

PASSIVE CHEMICAL INJECTION SYSTEM FOR CONTROLLING A NUCLEAR REACTION BY DELIVERING A NEUTRON-ABSORBING CHEMICAL INTO A CONTAINMENT VESSEL

 #4
20240331883
2024-10-03

COMPACT MOBILE REACTOR SYSTEM USING HIGH DENSITY NUCLEAR FUEL

 #5
20240127974
2024-04-18

Reactor design with controlled thermal neutron flux for enhanced neutron activation potential

 #6
20240105351
2024-03-28

METHOD FOR MEASURING DROP TIME OF A CONTROL ROD CLUSTER INTEGRATED WITH A ROD POSITION MEASUREMENT DEVICE

 #7
20230110039
2023-04-13

NUCLEAR REACTOR AND CONTROL METHOD FOR NUCLEAR REACTOR

 #8
20230012716
2023-01-19

Using xenon concentration in controlling a nuclear power plant

 #9
20220367073
2022-11-17

Controlling a power output of a nuclear reaction using chemical injection

 #10
20220246317
2022-08-04

Controlling a power output of a nuclear reactor without using control rods

 #11
20220238242
2022-07-28

Nuclear movable element position indication apparatus, system, and method

 #12
20220223304
2022-07-14

Digital rod position indication system and method

 #13
20220005618
2022-01-06

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

 #14
20210319920
2021-10-14

Reactor design with controlled thermal neutron flux for enhanced neutron activation potential

 #15
20210313080
2021-10-07

Doppler reactivity augmentation device

 #16
20210287811
2021-09-16

Fast reactor with primary and backup control rods

 #17
20210257118
2021-08-19

Reactivity booster-quencher, automatic power modules separator, and related methods thereof

 #18
20210210223
2021-07-08

Flux-shifting reactivity control system

 #19
20210202117
2021-07-01

Control drum for a mobile nuclear reactor

 #20
20210183530
2021-06-17

Reactor shutdown system with melting gate member for segregating neutron absorbing material compartment from core

 #21
20200027604
2020-01-23

Controlling a power output of a nuclear reaction without control rods

 #22
20200027603
2020-01-23

Controlling a power output of a nuclear reaction without control rods

 #23
20200027592
2020-01-23

Boron injection system for controlling a nuclear reaction by delivering boron into a containment vessel

 #24
20200027575
2020-01-23

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

 #25
20190392957
2019-12-26

Core of Fast Reactor

 #26
20190355486
2019-11-21

Control rod motion monitoring system and control rod motion monitoring method

 #27
20190244720
2019-08-08

Detection apparatus and method of detecting the neutron absorption capability of a control element of a nuclear installation

 #28
20190066855
2019-02-28

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

 #29
20190057787
2019-02-21

Detection apparatus and method of detecting the neutron absorption capability of a control element of a nuclear installation

 #30
20180277261
2018-09-27

Control rod guide tube with an extended intermediate guide assembly

 #31
20180261341
2018-09-13

Small modular reactor fuel assembly

 #32
20180261338
2018-09-13

Extruded guide frame and manufacturing methods thereof

 #33
20180190394
2018-07-05

Nuclear fuel assembly for a thermal neutron reactor

 #34
20180061511
2018-03-01

In-vessel rod handling systems

 #35
20170352440
2017-12-07

Systems and methods of monitoring control rods of nuclear power plants

 #36
20170337993
2017-11-23

Fuel assembly

 #37
20170337992
2017-11-23

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

 #38
20170162278
2017-06-08

Block-type movable reflector/moderator (RM) for nuclear reactor control

 #39
20170004893
2017-01-05

Apparatus for detecting position of control rod

 #40
20160372222
2016-12-22

Method for controlling a pressurized water nuclear reactor during stretchout

 #41
20160365161
2016-12-15

Non-intrusive error detection techniques for control and shutdown rod position in nuclear reactors

 #42
20160358676
2016-12-08

Hydraulic control unit and method of shutting down a nuclear reactor using the same

 #43
20160329116
2016-11-10

Method for operating a pressurized water reactor during load monitoring

 #44
20160247584
2016-08-25

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

 #45
20160232994
2016-08-11

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

 #46
20160196883
2016-07-07

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

 #47
20160189805
2016-06-30

FLUX-SHIFTING REACTIVITY CONTROL SYSTEM

 #48
20160064105
2016-03-03

Doppler reactivity augmentation device

 #49
20160049210
2016-02-18

Modular transportable nuclear generator

 #50
20160042815
2016-02-11

Actuating a nuclear reactor safety device

 #51
20160012924
2016-01-14

Electric fission reactor for space applications

 #52
20150369943
2015-12-24

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

 #53
20150369632
2015-12-24

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

 #54
20150357055
2015-12-10

Control rod guide tube with an extended intermediate guide assembly

 #55
20150348654
2015-12-03

Organically Cooled Nuclear Reactor for Enhanced Economics and Safety

 #56
20150294042
2015-10-15

Simulation construction method for the measurement of control rod insertion time

 #57
20150243377
2015-08-27

COMPACT NUCLEAR REACTOR

 #58
20150200021
2015-07-16

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

 #59
20140321590
2014-10-30

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

 #60
20140140463
2014-05-22

Small modular reactor fuel assembly

 #61
20130301776
2013-11-14

Integral pressurized water reactor with compact upper internals assembly

 #62
20130287160
2013-10-31

Riser transition element for compact nuclear reactor

 #63
20130272465
2013-10-17

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

 #64
20130208848
2013-08-15

Solid interface joint with open pores for nuclear control rod

 #65
20130177123
2013-07-11

Control rod position indication systems and methods for nuclear power plants

 #66
20130101077
2013-04-25

Method of achieving automatic axial power distribution control

 #67
20120263266
2012-10-18

Method and device for detecting the drop of a cluster in a nuclear reactor

 #68
20120148005
2012-06-14

Reactor shutdown system

 #69
20120099691
2012-04-26

Support structure for a control rod assembly of a nuclear reactor

 #70
20120076254
2012-03-29

Compact nuclear reactor

 #71
20120033780
2012-02-09

AXIAL POWER DISTRIBUTION CONTROL METHOD AND AXIAL POWER DISTRIBUTION CONTROL SUPPORTING DEVICE

 #72
20120033776
2012-02-09

NUCLEAR REACTOR

 #73
20120002774
2012-01-05

METHOD FOR DETERMINING INTENSITY OF GAMMA RADIATION EMISSION OF A RADIOELEMENT

 #74
20110206173
2011-08-25

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

 #75
20110110479
2011-05-12

Systems and methods for controlling reactivity in a nuclear fission reactor

 #76
20110110478
2011-05-12

Systems and methods for controlling reactivity in a nuclear fission reactor

 #77
20110110477
2011-05-12

Systems and methods for controlling reactivity in a nuclear fission reactor

 #78
20110069803
2011-03-24

Movement of materials in a nuclear reactor

 #79
20100316178
2010-12-16

Cooling structure and cooling method for control rod drive mechanism and nuclear reactor

 #80
20100254502
2010-10-07

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

 #81
20100220830
2010-09-02

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

 #82
20090252272
2009-10-08

Advanced digital control rod position indication system with rod drop monitoring for nuclear power plants

 #83
20090161810
2009-06-25

Reactor Power Control Apparatus of Natural Circulation Reactor, And Method For Controlling Reactor Power of Natural Circulation Reactor

 #84
20090141847
2009-06-04

METHOD FOR OPERATING NUCLEAR POWER GENERATION PLANT AND NUCLEAR POWER GENERATION PLANT

 #85
20080137799
2008-06-12

Nuclear fuel assembly

 #86
20080069288
2008-03-20

Method for regulation of operational parameters of the core of a pressurised water nuclear reactor

 #87
20080025454
2008-01-31

Method for Operating a Reactor of a Nuclear Plant

 #88
20070201603
2007-08-30

Reactor power control apparatus of natural circulation reactor and method for controlling reactor power of natural circulation reactor

 #89
20070177710
2007-08-02

Method of determining a cell friction metric for a control cell of a nuclear reactor

 #90
20070086556
2007-04-19

Control rod position detector

 #91
20070063839
2007-03-22

Rod block monitor

 #92
20070002998
2007-01-04

Method for operating a nuclear reactor

 #93
20070002997
2007-01-04

Method of improving nuclear reactor performance during reactor core operation

 #94
20050018803
2005-01-27

Control rod driving simulator for verification of control rod driving mechanism control system of atomic power plant