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Class Information
Number: 376/216
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
Description: Subject matter wherein representation of at least two different measured variables are utilized in the formulation of the control signal.

Sub-classes under this class:

Class Number Class Name Patents
376/217 Control programs 130

Patents under this class:
1 2 3 4 5

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
8656301 Information display system 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
8467491 Feedwater controller, nuclear power plant and method for controlling feedwater Jun. 18, 2013
8433029 Determination of safety limit minimum critical power ratio Apr. 30, 2013
8135106 Protection of reactor cores from unstable density wave oscillations Mar. 13, 2012
7945011 Enhanced steam dump (bypass) control system May. 17, 2011
7860206 Reactor power control apparatus of a natural circulation boiling water reactor and a feed water control apparatus and nuclear power generation plant Dec. 28, 2010
7742555 Enhanced steam dump (bypass) control system Jun. 22, 2010
7693249 Method of improving nuclear reactor performance Apr. 6, 2010
7555092 System and method for continuous optimization of control-variables during operation of a nuclear reactor Jun. 30, 2009
7532698 Systems and methods of predicting a critical effective k for a nuclear reactor May. 12, 2009
7366273 Method of determining margins to operating limits for nuclear reactor operation Apr. 29, 2008
7139355 Method of operating a nuclear power plant at multiple power levels Nov. 21, 2006
6987826 Maximum extended load line limit analysis for a boiling water nuclear reactor Jan. 17, 2006
6928132 Methods and apparatus for operating a system Aug. 9, 2005
6910156 Method and system for diagnosing a technical installation Jun. 21, 2005
6801885 Process for synthesizing a database for nuclear power plant containment evaluation Oct. 5, 2004
6798859 Branch amplifier card Sep. 28, 2004
6674826 Method of operating a nuclear power plant at multiple power levels Jan. 6, 2004
6674825 Determination of operating limit minimum critical power ratio Jan. 6, 2004
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
6590952 Reactor manual control system Jul. 8, 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
6477218 Control system of nuclear power plant, and control method thereof Nov. 5, 2002
6418178 Control rod coupling assembly for a nuclear reactor Jul. 9, 2002
6292523 Digital engineered safety features actuation system Sep. 18, 2001
6202038 Ultrasensitive surveillance of sensors and processes Mar. 13, 2001
6198786 Methods of reactor system pressure control by reactor core power modulation Mar. 6, 2001
6122339 Method and device for operating a reactor in an unstable state Sep. 19, 2000
6061413 Nuclear steam supply temperature measurement system and method May. 9, 2000
6049578 Digital plant protection system Apr. 11, 2000
6021169 Feedwater control over full power range for pressurized water reactor steam generators Feb. 1, 2000
5984504 Safety or protection system employing reflective memory and/or diverse processors and communications Nov. 16, 1999
5987399 Ultrasensitive surveillance of sensors and processes Nov. 16, 1999
5971580 Tactical awareness monitoring and direct response system Oct. 26, 1999
5930315 Process management using component thermal-hydraulic function classes Jul. 27, 1999
5912933 Method and system for direct evaluation of operating limit minimum critical power ratios for boiling water reactors Jun. 15, 1999
5881115 Method and system for automatically executing multiple procedures for a complex process facility Mar. 9, 1999
5859885 Information display system Jan. 12, 1999
5859884 Electric circuit for selectively processing electrical signals Jan. 12, 1999
5832049 Electric circuit for selectively processing electrical signals Nov. 3, 1998
5812622 Operator work station for nuclear power plants Sep. 22, 1998
5748496 Diagnosis system May. 5, 1998
5726884 Integrated hazardous substance tracking and compliance Mar. 10, 1998
5638413 Apparatus and method for estimating core performance Jun. 10, 1997
5634039 Method and management system for controlling, monitoring and regulating complex industrial processes in particular, such as in a nuclear power plant May. 27, 1997
5631937 Method and apparatus for protecting a PWR from departure from nucleate boiling and hot leg boiling May. 20, 1997

1 2 3 4 5

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