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Class Information
Number: 376/242
Name: Induced nuclear reactions: processes, systems, and elements > With control of reactor (e.g., control of coolant flow) > Means to inhibit control rod movement
Description: Subject matter wherein a reactivity affecting material is locked in a fixed position relative to the reactor fuel for a predetermined time period.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6862329 |
In-cycle shuffle |
Mar. 1, 2005 |
| 6707870 |
Method for determining friction forces occurring on an object moving in a guide on an inaccessible site |
Mar. 16, 2004 |
| 6631176 |
Fuel assembly |
Oct. 7, 2003 |
| 6574295 |
Boiling water type nuclear reactor use control rod |
Jun. 3, 2003 |
| 6553090 |
Control system of nuclear power plant, and control method thereof |
Apr. 22, 2003 |
| 6477218 |
Control system of nuclear power plant, and control method thereof |
Nov. 5, 2002 |
| 6246741 |
Fuel assembly |
Jun. 12, 2001 |
| 5978429 |
Method and device for operating a reactor in an unstable state |
Nov. 2, 1999 |
| 5621776 |
Fault-tolerant reactor protection system |
Apr. 15, 1997 |
| 5586156 |
Reactor protection system with automatic self-testing and diagnostic |
Dec. 17, 1996 |
| 5581586 |
Drive device for control rod drive mechanisms |
Dec. 3, 1996 |
| 5517536 |
Magnetic coupling device for control rod drive |
May. 14, 1996 |
| 5373539 |
Safety system grade apparatus and method for detecting a dropped control rod and malfunctioning exit thermocouples in a pressurized water reactor |
Dec. 13, 1994 |
| 5200139 |
Method and apparatus for protecting a nuclear reactor |
Apr. 6, 1993 |
| 5137682 |
Antieject device for control members of nuclear reactors |
Aug. 11, 1992 |
| 5131510 |
Brake assembly for a control rod drive |
Jul. 21, 1992 |
| 5102613 |
Radial brake assembly for a control rod drive |
Apr. 7, 1992 |
| 5089211 |
Control rod drive |
Feb. 18, 1992 |
| 5085823 |
Latch assembly for a control rod drive |
Feb. 4, 1992 |
| 5076994 |
Lock assembly for a control rod drive |
Dec. 31, 1991 |
| 5069860 |
Rotary lock for a control rod drive |
Dec. 3, 1991 |
| 4990304 |
Instrumentation tube features for reduction of coolant flow-induced vibration of flux thimble tube |
Feb. 5, 1991 |
| 4844856 |
Process for automatic regulation of the soluble boron content of the cooling water of a pressurized water nuclear reactor |
Jul. 4, 1989 |
| 4769208 |
Automatic safety rod for reactors |
Sep. 6, 1988 |
| 4716009 |
Dropped rod protection insensitive to large load loss |
Dec. 29, 1987 |
| 4707324 |
Controlling the response of a pressurized water reactor to rapid fluctuations in load |
Nov. 17, 1987 |
| 4699749 |
Controlling a nuclear reactor with dropped control rods |
Oct. 13, 1987 |
| 4686077 |
Nuclear reactor installation |
Aug. 11, 1987 |
| 4624826 |
Control rod velocity limiter |
Nov. 25, 1986 |
| 4282061 |
System for preventing erroneous operation of control rods |
Aug. 4, 1981 |
| 4184514 |
Valve system incorporating single failure protection logic |
Jan. 22, 1980 |
| 4129475 |
Method of operating a nuclear reactor |
Dec. 12, 1978 |
| 4126767 |
Bottom actuated reactor control system |
Nov. 21, 1978 |
| 4080251 |
Apparatus and method for controlling a nuclear reactor |
Mar. 21, 1978 |
| 4075059 |
Reactor power reduction system and method |
Feb. 21, 1978 |
| 4066497 |
Abnormal state detecting apparatus utilizing control rod for use in nuclear reactor |
Jan. 3, 1978 |
| 4055463 |
Automatic motion inhibit system for a nuclear power generating system |
Oct. 25, 1977 |
| 4046625 |
Automatic motion inhibit system for a nuclear power generating system |
Sep. 6, 1977 |
| 4016034 |
Nuclear reactor control override system and method |
Apr. 5, 1977 |
| 3997767 |
Reactor trip on turbine trip inhibit control system for nuclear power generating system |
Dec. 14, 1976 |
| 3933580 |
Limit regulation system for pressurized water nuclear reactors |
Jan. 20, 1976 |
| 3933581 |
Control rod drive for reactor shutdown |
Jan. 20, 1976 |
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