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Class Information
Number: 376/224
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 > Finger-type control elements (insertable into fuel element positions)
Description: Subject matter wherein plural control elements joined at their points most remote from the fission fuel are moved into a repetitive assemblage of fission fuel elements to vacant positions which would otherwise be occupied by fission fuel elements.










Sub-classes under this class:

Class Number Class Name Patents
376/225 Including shock absorber 23


Patents under this class:

Patent Number Title Of Patent Date Issued
8279995 Guide thimble of dual tube type structure nuclear fuel assembly Oct. 2, 2012
7668284 Tube-in-tube threaded dashpot end plug Feb. 23, 2010
7627073 Method for designing a nuclear fuel assembly with damping guide tube Dec. 1, 2009
6813327 Core support for an F-lattice core of a boiling water nuclear reactor Nov. 2, 2004
6574295 Boiling water type nuclear reactor use control rod Jun. 3, 2003
6411668 Guide tube of a nuclear reactor fuel assembly Jun. 25, 2002
5754608 Control cluster for a nuclear reactor May. 19, 1998
5711629 Reconstitutable rod cluster control assembly with biased driver Jan. 27, 1998
5089212 Apparatus for controlling the power output of a nuclear reactor Feb. 18, 1992
4986960 Two piece end fitting with hairpin springs Jan. 22, 1991
4759896 Method and apparatus for improving flux reduction factors Jul. 26, 1988
4702882 Quick disconnect top nozzle for a nuclear fuel assembly Oct. 27, 1987
4666653 Fuel assembly with cooled guide tubes for a nuclear reactor May. 19, 1987
4642216 Control rod cluster arrangement Feb. 10, 1987
4597935 Nuclear reactor having a control cluster guide Jul. 1, 1986
4376092 Nuclear fuel assembly wear sleeve Mar. 8, 1983
4001078 Control apparatus Jan. 4, 1977
3994775 Control rod system useable for fuel handling in a gas-cooled nuclear reactor Nov. 30, 1976
3977939 Nuclear reactor internals arrangement Aug. 31, 1976
3940311 Nuclear reactor internals construction and failed fuel rod detection system Feb. 24, 1976
3940310 Nuclear reactor Feb. 24, 1976
3930938 Attachment and locking of finger control rods in a nuclear reactor of BWR type Jan. 6, 1976











 
 
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