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Class Information
Number: 376/217
Name: Induced nuclear reactions: processes, systems, and elements > With control of reactor (e.g., control of coolant flow) > By electronic signal processing circuitry (e.g., plural redundant circuits) > Plural sensed different conditions or measured variables correlated > Control programs
Description: Subject matter wherein at least one of the measured variables is caused to be altered by a computerized program or its analog equivalent so as to produce a predetermined desired result.

Sub-classes under this class:

Class Number Class Name Patents
376/218 Xenon control 16

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8654916 Method for regulation of operational parameters of the core of a pressurised water nuclear reactor Feb. 18, 2014
8553829 Reduced order stress model for online maneuvering, diagnostics of fuel failure and design of core loading patterns of light water reactors Oct. 8, 2013
8526562 Reactor power control apparatus of natural circulation reactor, generation system of natural circulation reactor and method for controlling reactor power of natural circulation reactor Sep. 3, 2013
8467491 Feedwater controller, nuclear power plant and method for controlling feedwater Jun. 18, 2013
8451100 Use of a transponder for servicing work on an installation component May. 28, 2013
8433029 Determination of safety limit minimum critical power ratio Apr. 30, 2013
8204631 Method and device for increasing the operational flexibility of a current-generating system, in particular a gas turbine or steam turbine Jun. 19, 2012
8135106 Protection of reactor cores from unstable density wave oscillations Mar. 13, 2012
7996194 Block diagram modeling Aug. 9, 2011
7894943 Real-time global optimization of building setpoints and sequence of operation Feb. 22, 2011
7620139 Method of improving nuclear reactor performance during reactor core operation Nov. 17, 2009
7222058 Method of modeling and sizing a heat exchanger May. 22, 2007
6928132 Methods and apparatus for operating a system Aug. 9, 2005
6873671 Reactor manual control system Mar. 29, 2005
6862329 In-cycle shuffle Mar. 1, 2005
6798859 Branch amplifier card Sep. 28, 2004
6697447 Maximum extended load line limit analysis for a boiling water nuclear reactor Feb. 24, 2004
6674826 Method of operating a nuclear power plant at multiple power levels Jan. 6, 2004
6650722 Hydraulic control unit transponder card Nov. 18, 2003
6611572 Determination of operating limit minimum critical power ratio Aug. 26, 2003
6608878 Method and device for monitoring the power rise during startup of a nuclear reactor (diversitary excursion monitoring) Aug. 19, 2003
6553090 Control system of nuclear power plant, and control method thereof Apr. 22, 2003
6516041 Method and apparatus to eliminate confirmation switches and channel demultiplexer from soft control man-machine interface (MMI) Feb. 4, 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
6470281 Method and apparatus for measuring a throttle point Oct. 22, 2002
6408041 In-core fixed nuclear instrumentation system and power distribution monitoring system Jun. 18, 2002
6339629 System for monitoring power of nuclear reactor Jan. 15, 2002
6292523 Digital engineered safety features actuation system Sep. 18, 2001
6202038 Ultrasensitive surveillance of sensors and processes Mar. 13, 2001
6061412 Nuclear reaction protection system May. 9, 2000
5987399 Ultrasensitive surveillance of sensors and processes Nov. 16, 1999
5817958 Plant monitoring and diagnosing method and system, as well as plant equipped with the system Oct. 6, 1998
5790616 Method and system for determining nuclear reactor core control blade positioning Aug. 4, 1998
5524030 Multistage control rod drive uncoupling tool Jun. 4, 1996
5481575 Method and a device for detecting core oscillations in a nuclear reactor Jan. 2, 1996
5459675 System for monitoring an industrial process and determining sensor status Oct. 17, 1995
5442555 Combined expert system/neural networks method for process fault diagnosis Aug. 15, 1995
5410492 Processing data base information having nonwhite noise Apr. 25, 1995
5392320 Core automated monitoring system Feb. 21, 1995
5379328 Nuclear core trip setpoints Jan. 3, 1995
5351200 Process facility monitor using fuzzy logic Sep. 27, 1994
5317606 Automation system for nuclear power plants May. 31, 1994
5309485 Core automated monitoring system May. 3, 1994
5297174 Safety system grade apparatus and method for detecting a dropped control rod and malfunctioning exit thermocouples in a pressurized water reactor Mar. 22, 1994
5293411 Nuclear reactor power control method and device Mar. 8, 1994
5223207 Expert system for online surveillance of nuclear reactor coolant pumps Jun. 29, 1993
5174946 Oscillation power monitoring system and method for nuclear reactors Dec. 29, 1992
5158738 Method of controlling a pressurized water nuclear reactor Oct. 27, 1992
5112565 Nuclear reactor multi-state digital control using digital topology May. 12, 1992

1 2 3

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