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Class Information
Number: 376/236
Name: Induced nuclear reactions: processes, systems, and elements > With control of reactor (e.g., control of coolant flow) > By movement of control element or by release of neutron absorbing material > Including control rod insertion and removal schemes
Description: Subject matter having specific patterns for the movement of control elements.

Sub-classes under this class:

Class Number Class Name Patents
376/237 Group movement of control elements 35
376/238 Setback 15

Patents under this class:
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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
8526563 Terminal elements for coupling connecting rods and control rods in control rod assemblies for a nuclear reactor Sep. 3, 2013
7970093 Method for operating a nuclear reactor Jun. 28, 2011
7620139 Method of improving nuclear reactor performance during reactor core operation Nov. 17, 2009
7139351 Method of and control system for controlling a nuclear reactor outlet temperature Nov. 21, 2006
6873671 Reactor manual control system Mar. 29, 2005
6862329 In-cycle shuffle Mar. 1, 2005
6707870 Method for determining friction forces occurring on an object moving in a guide on an inaccessible site Mar. 16, 2004
6687323 Method for starting up and monitoring an apparatus for controlling a boiling water nuclear reactor Feb. 3, 2004
6574295 Boiling water type nuclear reactor use control rod Jun. 3, 2003
6553090 Control system of nuclear power plant, and control method thereof Apr. 22, 2003
6504889 Method of operating reactor Jan. 7, 2003
6477218 Control system of nuclear power plant, and control method thereof Nov. 5, 2002
5881118 Core protection calculator input filter Mar. 9, 1999
5790616 Method and system for determining nuclear reactor core control blade positioning Aug. 4, 1998
5742655 Neutron-absorbent control cluster for a nuclear reactor Apr. 21, 1998
5581587 Control rod driving apparatus Dec. 3, 1996
5524128 Boiling water reactor stability control Jun. 4, 1996
5373539 Safety system grade apparatus and method for detecting a dropped control rod and malfunctioning exit thermocouples in a pressurized water reactor Dec. 13, 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
5091139 Automated thermal limit monitor Feb. 25, 1992
5089212 Apparatus for controlling the power output of a nuclear reactor Feb. 18, 1992
5068083 Dashpot construction for a nuclear reactor rod guide thimble Nov. 26, 1991
5066453 Nuclear fuel assembly coolant control Nov. 19, 1991
5023047 Nuclear reactor having an ascending cooling path much greater than the descending cooling path Jun. 11, 1991
5009834 Curvilinear translating latch and linkage arrangement in a control rod drive mechanism of a nuclear reactor Apr. 23, 1991
4965040 Maximum/minimum asymmetric rod detection Oct. 23, 1990
4871508 Method for operation of a light water boiling reactor Oct. 3, 1989
4844856 Process for automatic regulation of the soluble boron content of the cooling water of a pressurized water nuclear reactor Jul. 4, 1989
4826647 Spectral shift reactor May. 2, 1989
4777010 Rod drive control system for nuclear reactors Oct. 11, 1988
4716007 Spectral shift reactor Dec. 29, 1987
4716006 Spectral shift reactor control method Dec. 29, 1987
4710341 Apparatus and method for closed-loop control of reactor power Dec. 1, 1987
4710340 Mechanical spectral shift reactor Dec. 1, 1987
4707324 Controlling the response of a pressurized water reactor to rapid fluctuations in load Nov. 17, 1987
4687620 Spectral shift reactor control method Aug. 18, 1987
4651073 Positioning control device for an electric motor Mar. 17, 1987
4636350 Process for the control and shutdown of a gas-cooled reactor Jan. 13, 1987
4632803 Operating method of boiling water reactor Dec. 30, 1986
4548784 Nuclear reactor power control system Oct. 22, 1985
4486380 Method of shutting down a high-temperature reactor Dec. 4, 1984
4460538 Core construction of nuclear reactor Jul. 17, 1984
4432930 Spectral shift reactor control method Feb. 21, 1984
4368171 Method of controlling operation of nuclear reactor Jan. 11, 1983
4326919 Nuclear core arrangement Apr. 27, 1982
4322853 Nuclear reactor control Mar. 30, 1982
4282061 System for preventing erroneous operation of control rods Aug. 4, 1981
4279698 Nuclear reactor operation control process Jul. 21, 1981
4152204 Device for controlling the power output of a core reactor and for turning off the same May. 1, 1979

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