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Class Information
Number: 376/233
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 > Releasable coupling
Description: Subject matter wherein a disconnectable joint is provided between the control element and the means producing motion so that the motion means may be separated from the control element.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8213562 Control rod blade extension for a nordic nuclear reactor Jul. 3, 2012
7315603 Semiconductor storage device, method for protecting predetermined memory element and portable electronic equipment Jan. 1, 2008
7289590 Method and apparatus for handling a tube guide of upper interval equipment of a nuclear reactor Oct. 30, 2007
7139353 Boiling water reactor nuclear fuel assembly lifting support Nov. 21, 2006
6418178 Control rod coupling assembly for a nuclear reactor Jul. 9, 2002
6333955 Control rod and manufacturing method for the control rod Dec. 25, 2001
6327322 Interlock assembly for burnable poison rod transfer device Dec. 4, 2001
6229867 Spring actuated cable controlled rod for the control rods in a reactor May. 8, 2001
5778034 Control rod drive mechanism Jul. 7, 1998
5761260 Device for uncoupling a control rod from an absorbing element for a nuclear reactor Jun. 2, 1998
5606582 Device for the automatic disconnection of a control rod and a nuclear reactor absorber cluster Feb. 25, 1997
5592520 Latch handle for a control road in a nuclear reactor Jan. 7, 1997
5517536 Magnetic coupling device for control rod drive May. 14, 1996
5394446 Uncoupling rod centering gauge Feb. 28, 1995
5378064 Control rod driving system Jan. 3, 1995
5331675 Apparatus and a method for handling a control rod Jul. 19, 1994
5241570 Core-control assembly with a fixed fuel support Aug. 31, 1993
5217677 Control rod drive assembly Jun. 8, 1993
5200140 Cable control rod drive assembly Apr. 6, 1993
5183626 Control cluster including demountable fuel for a nuclear fuel assembly Feb. 2, 1993
5141711 Reconstitutable control assembly having removable control rods with detachable split upper end plugs Aug. 25, 1992
5114663 Electromagnet for nuclear reactor shutdown system May. 19, 1992
5110535 Turbine-driven control rod drive May. 5, 1992
5106572 Centering and fixation device for a cluster guide flange of a core plate of a nuclear reactor Apr. 21, 1992
5059386 Mechanism for the automatic release of control bars in a nuclear reactor Oct. 22, 1991
4960560 Spent fuel storage rack for BWR fuel assemblies Oct. 2, 1990
4904443 Control rod drive with upward removable drive internals Feb. 27, 1990
4889683 Thermally responsive trigger devices and their use in shut-down devices for nuclear reactors Dec. 26, 1989
4885123 Apparatus for handling constituent elements of reactor core Dec. 5, 1989
4863672 Absorber rod Sep. 5, 1989
4793964 Small natural circulation pressurized water nuclear reactor Dec. 27, 1988
4778645 Pressurized water reactor having disconnectable two-piece drive rod assemblies, and related methods of assembly and maintenance operations Oct. 18, 1988
4759903 Apparatus for automatically starting the drop of an absorbing member into a nuclear reactor core Jul. 26, 1988
4755346 Device for displacing and latching a cluster of control elements in a nuclear reactor Jul. 5, 1988
4753769 Device and method for retaining a linearly movable element in a nuclear reactor Jun. 28, 1988
4752434 Control bar and drive mechanism coupling device Jun. 21, 1988
4734252 Nuclear reactor shutdown control rod assembly Mar. 29, 1988
4714582 Actuating device for linearly moving a cluster of control elements in a nuclear reactor Dec. 22, 1987
4713210 Control rod driveline and grapple Dec. 15, 1987
4711756 Control rod displacement Dec. 8, 1987
4702882 Quick disconnect top nozzle for a nuclear fuel assembly Oct. 27, 1987
4698200 Self-actuated nuclear reactor shutdown system using induction pump to facilitate sensing of core coolant temperature Oct. 6, 1987
4683102 Device for operating a cluster of neutron absorber elements in a pressurized water nuclear reactor Jul. 28, 1987
4661307 Coupling device between a motor member and a receiver member Apr. 28, 1987
4624825 Differential movement chain mechanism for controlling a nuclear reactor Nov. 25, 1986
4618471 Electromagnetic safety device of a screw/nut type Oct. 21, 1986
4584612 Picture recording method Apr. 22, 1986
4582675 Magnetic switch for reactor control rod Apr. 15, 1986
4550941 Hydraulic drive mechanism Nov. 5, 1985
4544521 Actuating device for two clusters of control rods movable vertically in one and the same fuel array of the core of a nuclear reactor Oct. 1, 1985

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