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Class Information
Number: 376/215
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)
Description: Subject matter comprising electronic circuit means which derives a control signal for raising or lowering reactor power from an electrical signal representative of a measured reactor variable.

Sub-classes under this class:

Class Number Class Name Patents
376/216 Plural sensed different conditions or measured variables correlated 204

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
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
8248739 Electrical switching apparatus and protection apparatus determining thermal age of another apparatus or a number of insulators Aug. 21, 2012
8185836 Display, visualization, and processing tool for channel distortion and cell friction mitigation May. 22, 2012
7920667 Accumulator Apr. 5, 2011
7912170 Protection systems for nuclear boiling water reactors Mar. 22, 2011
7881421 Accumulator Feb. 1, 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
7693249 Method of improving nuclear reactor performance Apr. 6, 2010
7634043 Protection systems for and methods of operating nuclear boiling water reactors Dec. 15, 2009
7596198 Over temperature and over power delta temperature operating margin recovery method and reactor system employing the same Sep. 29, 2009
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
6928132 Methods and apparatus for operating a system Aug. 9, 2005
6873671 Reactor manual control system Mar. 29, 2005
6785692 Systems and methods for coordinating QA events Aug. 31, 2004
6785633 Method and apparatus for assessing performance of combined cycle power-plants Aug. 31, 2004
6768970 Method for providing power plant maintenance services Jul. 27, 2004
6674826 Method of operating a nuclear power plant at multiple power levels Jan. 6, 2004
6665635 Method for providing power plant maintenance services Dec. 16, 2003
6608878 Method and device for monitoring the power rise during startup of a nuclear reactor (diversitary excursion monitoring) Aug. 19, 2003
6598029 Bidding for energy supply with request for service Jul. 22, 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
6484126 Digital plant protection system with engineered safety features component control system Nov. 19, 2002
6477218 Control system of nuclear power plant, and control method thereof Nov. 5, 2002
6473479 Dual optical communication network for class 1E reactor protection systems Oct. 29, 2002
6470281 Method and apparatus for measuring a throttle point Oct. 22, 2002
6405154 Method and apparatus for power electronics health monitoring Jun. 11, 2002
6339629 System for monitoring power of nuclear reactor Jan. 15, 2002
6292523 Digital engineered safety features actuation system Sep. 18, 2001
6122339 Method and device for operating a reactor in an unstable state Sep. 19, 2000
6118837 Method for detecting the dropping of a control element Sep. 12, 2000
6049578 Digital plant protection system Apr. 11, 2000
6016465 Sensor fault detection system Jan. 18, 2000
5978429 Method and device for operating a reactor in an unstable state Nov. 2, 1999
5875221 Method and device for operating a reactor in an unstable state Feb. 23, 1999
5818892 System and method for controlling control rods of a nuclear power plant Oct. 6, 1998
5787138 Supervision of a neutron detector in a nuclear reactor Jul. 28, 1998
5623109 Plant monitoring and diagnosing method and system, as well as plant equipped with the system Apr. 22, 1997
5621776 Fault-tolerant reactor protection system Apr. 15, 1997
5610957 Reactor core coolant flow rate control system for a BWR type nuclear power plant Mar. 11, 1997
5581586 Drive device for control rod drive mechanisms Dec. 3, 1996
5555279 System for monitoring and controlling nuclear reactors Sep. 10, 1996
5528639 Enhanced transient overpower protection system Jun. 18, 1996
5524030 Multistage control rod drive uncoupling tool Jun. 4, 1996
5511223 Diverse processor electronic protection and control module Apr. 23, 1996

1 2 3

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