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Class Information
Number: 376/238
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 > Including control rod insertion and removal schemes > Setback
Description: Subject matter wherein the neutron control element is inserted into a fuel region to less than its full extent and maintained at that level for a predetermined time period.

Patents under this class:

Patent Number Title Of Patent Date Issued
6687323 Method for starting up and monitoring an apparatus for controlling a boiling water nuclear reactor Feb. 3, 2004
5960049 Pump selection logic Sep. 28, 1999
5621776 Fault-tolerant reactor protection system Apr. 15, 1997
5066451 Single-step multiple repositionings of control rod cluster assembly during each nuclear reactor fuel cycle Nov. 19, 1991
4713211 High temperature pebble bed reactor and process for shut-down Dec. 15, 1987
4699749 Controlling a nuclear reactor with dropped control rods Oct. 13, 1987
4632803 Operating method of boiling water reactor Dec. 30, 1986
4486380 Method of shutting down a high-temperature reactor Dec. 4, 1984
4486381 Power controlling apparatus for boiling water atomic reactor Dec. 4, 1984
4470949 Method of control of a nuclear reactor by movement within the core of this reactor, of groups of control rods Sep. 11, 1984
4412968 Nuclear reactor control apparatus Nov. 1, 1983
4411857 Nuclear reactor control apparatus Oct. 25, 1983
4181569 Nuclear reactor control Jan. 1, 1980
4129475 Method of operating a nuclear reactor Dec. 12, 1978
4075059 Reactor power reduction system and method Feb. 21, 1978

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