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Class Information
Number: 976/DIG.187
Name: Nuclear technology > Cooling arrangements within the pressure vessel containing the core; selection of specific coolants [g21c-15/00]

Sub-classes under this class:

Class Number Class Name Patents
976/DIG.188 Arrangements or disposition of passages in which heat is transferred to the coolant; coolant flow control devices [g21c-15/02] *** (dig. 246 takes precedence); (coolant flow control through fuel assemblies (e.g., flow restrictors) dig. 60) 32
976/DIG.195 Comprising means for separating liquid and steam [g21c-15/16] 9
976/DIG.196 Emergency cooling arrangements; removing shut-down heat [g21c-15/18] 148
976/DIG.197 Partitions or thermal insulation between fuel channel and moderator [g21c-15/20] 1
976/DIG.199 Promoting flow of the coolant [g21c-15/24] 8
976/DIG.206 Selection of specific coolants; additions to the reactor coolants (e.g., against moderator corrosion) [g21c-15/28] *** (if serving as the moderator dig.105, compositions, per se, c09k-5/00; organic coolants dig. 106; purification and regeneration of the reactor coolants dig. 266) 7
976/DIG.198 Structural association of coolant tubes with headers [g21c-15/22] 4

Patents under this class:

Patent Number Title Of Patent Date Issued
4753773 Double tube steam generator Jun. 28, 1988
4487740 Procedure and equipment for injecting gas into liquids Dec. 11, 1984
4046628 Nuclear reactors Sep. 6, 1977
4017358 Boron thermal regeneration system Apr. 12, 1977

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