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Class Information
Number: 976/DIG.100
Name: Nuclear technology > Moderator or core structure; selection of materials for use as moderator [g21c-5/00] > Details [g21c-5/02]
Description:










Sub-classes under this class:

Class Number Class Name Patents
976/DIG.102 Means for locating or supporting fuel elements [g21c-5/06] *** (means forming part of the element dig. 48) 52
976/DIG.103 Means for preventing undesired asymmetric expansion of the complete structure (e.g., stretching devices, pins) [g21c-5/08] 26
976/DIG.104 Means for supporting the complete structure [g21c-5/10] *** (arrangements for supporting vessels and core structure dig. 168) 55
976/DIG.101 Spatial arrangements allowing for wigner growth [g21c-5/04] 4


Patents under this class:

Patent Number Title Of Patent Date Issued
5106572 Centering and fixation device for a cluster guide flange of a core plate of a nuclear reactor Apr. 21, 1992
5098647 Guide tube insert assembly for use in a nuclear reactor Mar. 24, 1992
5053189 System providing improved guidance support with restricted coolant flow for control rods in the upper head plenum of a nuclear reactor Oct. 1, 1991
5035852 Tapered leaf support pin for operating plant guide tubes Jul. 30, 1991
5024808 Combined support column and guide tube for use in a nuclear reactor Jun. 18, 1991
4937039 Four pin mounting system for nuclear reactor control rod guide tubes Jun. 26, 1990
4914678 Reactor core in a nuclear reactor and initial core in a nuclear reactor Apr. 3, 1990
4879086 Neutron economic reactivity control system for light water reactors Nov. 7, 1989
4876061 Resiliently loaded lateral supports for cantilever-mounted rod guides of a pressurized water reactor Oct. 24, 1989
4857264 Frictionally loaded top end supports for cantilever-mounted rod guides of a pressurized water reactor Aug. 15, 1989
4793965 Simplified, flexible top end support for cantilever-mounted rod guides of a pressurized water reactor Dec. 27, 1988
4793966 Nuclear reactor Dec. 27, 1988
4767595 Repositioned fuel assembly Aug. 30, 1988
4756067 Manual replacement of old split-pin assemblies by new split-pin assemblies Jul. 12, 1988
4748733 Removal of old split-pin assemblies from guide tubes and replacement by new split-pin assemblies Jun. 7, 1988
4738023 Hooking apparatus for a removable constriction plug Apr. 19, 1988
4702880 Process for improving resistance of split pins to stress corrosion cracking Oct. 27, 1987
4690593 Tool for cutting locking cups from guide tube mounting screws in a nuclear reactor Sep. 1, 1987
4121973 Nuclear reactor with fuel column coolant regulation Oct. 24, 1978
3971699 Neutronic reactor Jul. 27, 1976
3968007 Neutronic reactor construction Jul. 6, 1976











 
 
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