ClassID:

200244

G21C15/182 - CPC Classification

Classification description:

Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants; Emergency cooling arrangements; Removing shut-down heat comprising powered means, e.g. pumps

Sub-classes:
Recent Application in this class:
#1
20260066142
2026-03-05

NUCLEAR POWER GENERATION SYSTEM AND CONTROL METHOD WITH SUPERCRITICAL CARBON DIOXIDE AS WORKING FLUID

#2
20260066141
2026-03-05

NUCLEAR REACTOR THERMAL MANAGEMENT SYSTEM

#3
20260011461
2026-01-08

POOL-TYPE NUCLEAR REACTOR SYSTEM HAVING A PARALLEL FLOW PATH FOR RESIDUAL HEAT REMOVAL

#4
20250329477
2025-10-23

MOLTEN SALT NUCLEAR REACTOR AND METHOD OF AUTOMATIC SHUTDOWN OF SUCH NUCLEAR REACTOR

#5
20250191793
2025-06-12

NUCLEAR REACTOR THERMAL MANAGEMENT SYSTEM

#6
20240395426
2024-11-28

SUPPORTS WITH INTEGRATED SENSORS FOR NUCLEAR REACTOR STEAM GENERATORS, AND ASSOCIATED SYSTEMS AND METHODS

#7
20240304347
2024-09-12

MULTI-MODE HEAT REMOVAL SYSTEMS FOR NUCLEAR REACTORS AND METHODS OF USING THE SAME

#8
20240304344
2024-09-12

NUCLEAR REACTOR WITH LIQUID HEAT TRANSFER AND SOLID FUEL ASSEMBLIES, INTEGRATING A NOMINAL POWER EVACUATION SYSTEM WITH A LIQUID METAL BATH AND MATERIAL(S) (MCP) FOR THE EVACUATION OF RESIDUAL POWER IN THE EVENT OF AN ACCIDENT

#9
20240170167
2024-05-23

NUCLEAR REACTOR WITH A HEAVY LIQUID METAL COOLANT

#10
20240062922
2024-02-22

Nuclear Reactor Thermal Management System

#11
20240029904
2024-01-25

INTEGRATED PASSIVE REACTOR

#12
20230317306
2023-10-05

Heat pipe networks for heat removal, such as heat removal from nuclear reactors, and associated systems and methods

#13
20230307150
2023-09-28

REACTOR COOLING SYSTEM FOR DISASTER ACCIDENT, AND REACTOR COOLING METHOD USING SAME

#14
20230268089
2023-08-24

PASSIVE CONDENSATION TANK COOLING SYSTEM OF PASSIVE AUXILIARY FEEDWATER SYSTEM

#15
20230268088
2023-08-24

NUCLEAR REACTOR AND METHOD OF OPENING A NUCLEAR REACTOR

#16
20230215589
2023-07-06

ECCS with self-cleaning filter system

#17
20230197301
2023-06-22

NUCLEAR REACTOR COOLED BY LIQUID METAL INCORPORATING A PASSIVE DECAY HEAT REMOVAL SYSTEM WITH A PHASE CHANGE MATERIAL THERMAL RESERVOIR AND A REMOVABLE THERMALLY-INSULATING LAYER AROUND THE PHASE CHANGE MATERIAL RESERVOIR

#18
20230154633
2023-05-18

SYSTEM FOR CONFINING AND COOLING MELT FROM THE CORE OF A NUCLEAR REACTOR

#19
20230144418
2023-05-11

Multipurpose common-pool based flooding-type management system for small modular reactors

#20
20220246319
2022-08-04

Supports with integrated sensors for nuclear reactor steam generators, and associated systems and methods

#21
20220199271
2022-06-23

Dual-mode heat removal system that allows first direction natural circulation flow through a heat exchanger during nuclear reactor emergency cooling and allows opposite direction forced flow through the heat exchanger during decay heat removal

#22
20210335511
2021-10-28

Method and system for bringing a nuclear power plant into a safe state after extreme effect

#23
20210225535
2021-07-22

Heat transferring device with a working fluid in a closed loop utilizing gravity and pressure

#24
20210151208
2021-05-20

Alternative circulation cooling system for emergency core cooling system, and nuclear power plant

#25
20210125737
2021-04-29

Heat pipe networks for heat removal, such as heat removal from nuclear reactors, and associated systems and methods

#26
20210098141
2021-04-01

Single-loop nuclear power plant with pressurized coolant

#27
20200411205
2020-12-31

Floating nuclear reactor protection system

#28
20200411204
2020-12-31

EMERGENCY COOLING WATER SYSTEM FOR A FLOATING NUCLEAR REACTOR

#29
20200395136
2020-12-17

PWR decay heat removal system in which steam from the pressurizer drives a turbine which drives a pump to inject water into the reactor pressure vessel

#30
20200161011
2020-05-21

Cooling facility in a reactor vessel and electric power generation system

#31
20200161009
2020-05-21

SEAL PACKAGE FACE PLATE OF A SHAFT SEALING SYSTEM OF A REACTOR COOLANT PUMP

#32
20200027595
2020-01-23

Fault tolerant turbine speed control system

#33
20200027594
2020-01-23

Methods of constructing nuclear power plants with geothermal passive cooling

#34
20190326026
2019-10-24

NUCLEAR POWER PLANT HAVING IMPROVED COOLING PERFORMANCE AND METHOD FOR OPERATING SAME

#35
20190221323
2019-07-18

Nuclear reactor using controlled debris to mitigate ECCS strainer pressure head loss

#36
20190019588
2019-01-17

SHUTDOWN SYSTEM FOR A NUCLEAR STEAM SUPPLY SYSTEM

#37
20180358138
2018-12-13

Nuclear reactor cooling system

#38
20180358137
2018-12-13

Flow damper, pressure-accumulation and water-injection apparatus, and nuclear installation

#39
20180308592
2018-10-25

Shutdown cooling system and nuclear facility having same

#40
20180240558
2018-08-23

Emergency core cooling system and boiling water reactor plant using the same

#41
20180233240
2018-08-16

Nuclear power plant

#42
20180218795
2018-08-02

Flow damper, pressure-accumulation and water-injection apparatus, and nuclear installation

#43
20180053571
2018-02-22

PWR decay heat removal system in which steam from the pressurizer drives a turbine which drives a pump to inject water into the reactor pressure vessel

#44
20170287576
2017-10-05

Compressed air, utility-scale, non-polluting energy storage and nuclear reactor emergency cooling system using thermal power plant waste heat

#45
20170263340
2017-09-14

Passive safety system and nuclear power plant comprising same

#46
20170186503
2017-06-29

COMPRESSED AIR, UTILITY-SCALE, NON-POLLUTING ENERGY STORAGE AND NUCLEAR REACTOR EMERGENCY COOLING SYSTEM USING THERMAL POWER PLANT WASTE HEAT

#47
20170176315
2017-06-22

Method of evaluating amount of foreign matter passed through recirculation sump screen

#48
20170162282
2017-06-08

Passive containment heat removal system and control method thereof

#49
20170154692
2017-06-01

Porous cooling block for cooling corium and corium cooling apparatus including same, and corium cooling method using same

#50
20170103820
2017-04-13

Cryogenic system for spent nuclear fuel pool emergency cooling and safety system

#51
20170098482
2017-04-06

Alternative circulation cooling method for emergency core cooling system, and nuclear power plant

#52
20170025194
2017-01-26

Passive safety system for removing decay heat and method of passively increasing a coolant flow using the same

#53
20160336083
2016-11-17

Remote heat removal system

#54
20160260509
2016-09-08

Nuclear reactor coolant pump and nuclear power plant having same

#55
20160260508
2016-09-08

Shutdown system for a nuclear steam supply system

#56
20160247585
2016-08-25

Passive safety equipment for a nuclear power plant

#57
20160118148
2016-04-28

HEAT TRANSFER METHODS FOR NUCLEAR PLANTS

#58
20160055924
2016-02-25

Boiling water type nuclear power plant

#59
20160027535
2016-01-28

Integral isolation valve systems for loss of coolant accident protection

#60
20150357061
2015-12-10

NUCLEAR REACTOR COOLANT PUMP WITH HIGH DENSITY COMPOSITE FLYWHEEL

#61
20150187448
2015-07-02

Mobile boration system

#62
20150117586
2015-04-30

PWR decay heat removal system in which steam from the pressurizer drives a turbine which drives a pump to inject water into the reactor pressure vessel

#63
20140093025
2014-04-03

Arrangement and method for providing an emergency supply to a nuclear installation

#64
20140072088
2014-03-13

Method and system for external alternate suppression pool cooling for a BWR

#65
20140069515
2014-03-13

Mobile boration system

#66
20130308738
2013-11-21

HEAT TRANSFER SYSTEMS AND METHODS FOR NUCLEAR PLANTS

#67
20130272473
2013-10-17

Auxiliary condenser system for decay heat removal in a nuclear reactor

#68
20130170599
2013-07-04

Assembly and method for injecting water containing a neurton-absorbing element to cool a nuclear reactor core in a crisis situation

#69
20130156145
2013-06-20

Method and apparatus for an alternative suppression pool cooling for boiling water reactors

#70
20130121454
2013-05-16

Semi-portable emergency cooling system for removing decay heat from a nuclear reactor

#71
20130121450
2013-05-16

Water filling system for reactor water level gauge

#72
20130114776
2013-05-09

Fault tolerant turbine speed control system

#73
20130108003
2013-05-02

Auxiliary feedwater valve control apparatus of steam generator

#74
20130044851
2013-02-21

BACKUP NUCLEAR REACTOR AUXILIARY POWER USING DECAY HEAT

#75
20120294409
2012-11-22

TRANSIENT MITIGATION SYSTEM FOR REACTOR

#76
20120213322
2012-08-23

EMERGENCY CORE COOLING SYSTEM AND REACTOR FACILITY

#77
20120076255
2012-03-29

Alternate feedwater injection system to mitigate the effects of aircraft impact on a nuclear power plant

#78
20100226471
2010-09-09

SYSTEM FOR EVACUATING THE RESIDUAL HEAT FROM A LIQUID METAL OR MOLTEN SALTS COOLED NUCLEAR REACTOR

#79
20100025315
2010-02-04

Filter medium for strainers used in nuclear reactor emergency core cooling systems

#80
20090232267
2009-09-17

Emergency core cooling system having core barrel injection extension ducts

#81
20090225926
2009-09-10

Cold shutdown assembly for sodium cooled reactor

#82
20080317193
2008-12-25

Emergency core cooling system

#83
20080212733
2008-09-04

Nuclear power plant using nanoparticles in emergency systems and related method

#84
20070084782
2007-04-19

Filter medium for strainers used in nuclear reactor emergency core cooling systems

#85
20050074083
2005-04-07

Nuclear reactor

#86
16822486
2024-05-28

Multi-directional heat pipes

#87
15633593
2020-04-28

Leak detection and containment for liquid cooled computing