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Browse by Category: Main > Physics
Class Information
Number: 376/255
Name: Induced nuclear reactions: processes, systems, and elements > Testing, sensing, measuring, or detecting a fission reactor condition > Flux monitoring > Directly generating electrical signal (e.g., ion detection)
Description: Subject matter wherein the determination is performed by electrical means directly responsive to neutrons which means produce an electrical signal proportional to neutron incidence.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8712000 Tranverse in-core probe monitoring and calibration device for nuclear power plants, and method thereof Apr. 29, 2014
8681920 Self-powered wireless in-core detector Mar. 25, 2014
8483347 Upper internals arrangement for a pressurized water reactor Jul. 9, 2013
8442181 Apparatus for inspecting and testing startup range neutron monitoring system May. 14, 2013
8433029 Determination of safety limit minimum critical power ratio Apr. 30, 2013
8406368 Burn-up profile measuring method, burn-up profile measuring apparatus, radiation signal distribution measuring apparatus, and burn-up profile measuring program Mar. 26, 2013
8401141 Axial void fraction distribution measurement method and neutron multiplication factor evaluating method Mar. 19, 2013
8238509 Neutron monitoring systems including gamma thermometers and methods of calibrating nuclear instruments using gamma thermometers Aug. 7, 2012
8223913 Method and apparatus for detecting high-energy radiation using a pulse mode ion chamber Jul. 17, 2012
8116421 Apparatus for inspecting and testing startup range neutron monitoring system Feb. 14, 2012
7894565 Subcritical reactivity measurement method Feb. 22, 2011
7532698 Systems and methods of predicting a critical effective k for a nuclear reactor May. 12, 2009
7368726 Method and apparatus for detecting high-energy radiation using a pulse mode ion chamber May. 6, 2008
7333585 Radiation measurement device Feb. 19, 2008
7222061 Method and arrangement for developing rod patterns in nuclear reactors May. 22, 2007
7139354 Radiation measurement device Nov. 21, 2006
6836523 Radiation measurement device Dec. 28, 2004
6801593 Subcritical reactivity measurement method Oct. 5, 2004
6744840 Incore monitoring method and incore monitoring equipment Jun. 1, 2004
6535568 Method and system for generating thermal-mechanical limits for the operation of nuclear fuel rods Mar. 18, 2003
6522709 Nuclear in-core instrument (ICI) assembly with compressed flexible hose sheath Feb. 18, 2003
6477219 Nuclear reactor power distribution monitoring system and method including nuclear reactor instrumentation system Nov. 5, 2002
6477218 Control system of nuclear power plant, and control method thereof Nov. 5, 2002
6430247 Method and system for monitoring at least one operating parameter of the core of a nuclear reactor Aug. 6, 2002
6406064 Positive locking device for reactor instrumentation protection sleeve assembly Jun. 18, 2002
6400786 Process and device for monitoring at least one operating parameter of the core of a nuclear reactor Jun. 4, 2002
6339629 System for monitoring power of nuclear reactor Jan. 15, 2002
6236698 Nuclear reactor power distribution monitoring system and method including nuclear reactor instrumentation system May. 22, 2001
5793827 Material surveillance specimen holder for core shroud of boiling water reactor Aug. 11, 1998
5774515 Particle measuring apparatus, method for particle measurement, and nuclear power plant Jun. 30, 1998
5680423 Method and apparatus for detecting neutrons Oct. 21, 1997
5596612 Testing arrangement for materials testing, particularly in a pressurized-water reactor Jan. 21, 1997
5579354 Method of measuring a corrosion potential, method of simulating potential characteristics of a reaction rate, and plant monitoring system adopting them Nov. 26, 1996
5577083 Method and apparatus for electro-protection of piping systems and reactor-internals from stress corrosion cracking Nov. 19, 1996
5535253 Method and device for detecting leaks in penetrations of a nuclear reactor vessel head during operation Jul. 9, 1996
5517537 Integrated acoustic leak detection beamforming system May. 14, 1996
5485491 Online diagnostic system for rotating electrical apparatus Jan. 16, 1996
5481575 Method and a device for detecting core oscillations in a nuclear reactor Jan. 2, 1996
5442555 Combined expert system/neural networks method for process fault diagnosis Aug. 15, 1995
5406598 System for monitoring power of nuclear reactor Apr. 11, 1995
5341678 Method for determining thickness of ferromagnetic material deposition on nuclear fuel rods Aug. 30, 1994
5333159 Radiation gauge Jul. 26, 1994
5309485 Core automated monitoring system May. 3, 1994
5295166 Start-up range neutron monitor system Mar. 15, 1994
5249207 Apparatus for monitoring the neutron flux of a nuclear reactor Sep. 28, 1993
5229066 Control rod position indication system Jul. 20, 1993
5225149 Detection of core thermal hydraulic oscillations Jul. 6, 1993
5192490 Extended range neutron detection device for monitoring and control of nuclear reactors Mar. 9, 1993
5141709 Excore power level detector assembly for neutron flux monitoring system Aug. 25, 1992
5114665 Autonormalizing reactimeter May. 19, 1992

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