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Class Information
Number: 976/DIG.127
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] > By displacement of solid control elements (e.g., control rods) [g21c-7/08] > Means for moving control elements to desired position [g21c-7/12] > Hydraulic or pneumatic drive [g21c-7/16]
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5102613 |
Radial brake assembly for a control rod drive |
Apr. 7, 1992 |
| 5089211 |
Control rod drive |
Feb. 18, 1992 |
| 5034184 |
Speed control with end cushion for high speed air cylinder |
Jul. 23, 1991 |
| 5008068 |
Plant comprising a nuclear reactor, more particularly a control rod system for nuclear reactor plant |
Apr. 16, 1991 |
| 4978494 |
Hydraulic lock for displacer rod drive mechanism (DRDM) and method of operation |
Dec. 18, 1990 |
| 4904443 |
Control rod drive with upward removable drive internals |
Feb. 27, 1990 |
| 4863673 |
Check valve test method for control rod drive |
Sep. 5, 1989 |
| 4826649 |
Hydraulic control for rod drive for water-cooled nuclear reactors, especially heating reactors |
May. 2, 1989 |
| 4775506 |
Nuclear reactor having control clusters with hydraulic actuation |
Oct. 4, 1988 |
| 4752433 |
Vent system for displacer rod drive mechanism of pressurized water reactor and method of operation |
Jun. 21, 1988 |
| 4690794 |
System for controlling driving water for control rod driving mechanism of nuclear reactor |
Sep. 1, 1987 |
| 4686077 |
Nuclear reactor installation |
Aug. 11, 1987 |
| 4624826 |
Control rod velocity limiter |
Nov. 25, 1986 |
| 4550941 |
Hydraulic drive mechanism |
Nov. 5, 1985 |
| 4489036 |
Apparatus for measuring friction of hydraulic control rod drives in nuclear reactors |
Dec. 18, 1984 |
| 4349507 |
Drive for an absorber rod of a nuclear reactor |
Sep. 14, 1982 |
| 4292132 |
Hydraulically centered control rod |
Sep. 29, 1981 |
| 4138320 |
Fluidic self-actuating control assembly |
Feb. 6, 1979 |
| 4126767 |
Bottom actuated reactor control system |
Nov. 21, 1978 |
| 4092213 |
Control rod drives for nuclear reactors |
May. 30, 1978 |
| 4048010 |
Control rod drive for nuclear reactors |
Sep. 13, 1977 |
| 4030972 |
Fluidly driven control rod |
Jun. 21, 1977 |
| 3989589 |
Hydraulic drive for control rods |
Nov. 2, 1976 |
| 3957577 |
Hydraulic control rod |
May. 18, 1976 |
| 3940310 |
Nuclear reactor |
Feb. 24, 1976 |
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