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Class Information
Number: 976/DIG.117
Name: Nuclear technology > Control of nuclear reaction [g21c-7/00] > By application of neutron-absorbing material (i.e., material with absorption cross section very much in excess of reflection cross section) [g21c-7/06]
Description:










Sub-classes under this class:

Class Number Class Name Patents
976/DIG.130 By displacement of a fluid or fluent neutron-absorbing material (e.g., by adding neutron absorbing material to the coolant) [g21c-7/22] 15
976/DIG.118 By displacement of solid control elements (e.g., control rods) [g21c-7/08] 44
976/DIG.131 Selection of substances for use as neutron-absorbing material [g21c-7/24] 7


Patents under this class:

Patent Number Title Of Patent Date Issued
5045275 Gaseous reactor control system Sep. 3, 1991
4980117 Reactor vessel O-ring spring clip Dec. 25, 1990
4777012 Gas cooled high temperature reactor charged with spherical fuel elements Oct. 11, 1988
4279698 Nuclear reactor operation control process Jul. 21, 1981
4240874 Process for controlling the reactivity effects due to the power variations in PWR nuclear reactors Dec. 23, 1980
4192714 Reactor safety method Mar. 11, 1980
4110158 Core reactor and method of operating same Aug. 29, 1978
4108721 Axisymmetric fluidic throttling flow controller Aug. 22, 1978
4032401 Combined solid and liquid system for controlling nuclear reactors Jun. 28, 1977
4030974 Core reactor Jun. 21, 1977











 
 
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