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Class Information
Number: 376/230
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 > Wherein driver or motivating is fluid
Description: Subject matter having motion directly produced by means of fluid pressure.










Sub-classes under this class:

Class Number Class Name Patents
376/231 Pneumatic 9


Patents under this class:
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Patent Number Title Of Patent Date Issued
8571162 Control rod drive mechanism Oct. 29, 2013
8102961 Control rod guide tube and method for providing coolant to a nuclear reactor fuel assembly Jan. 24, 2012
7672418 Control rod guide tube and method for providing coolant to a nuclear reactor fuel assembly Mar. 2, 2010
7197103 Control rod drive for a nuclear reactor and method for moving a control rod into a reactor core of a nuclear reactor Mar. 27, 2007
6980619 Method for automatically scramming a nuclear reactor Dec. 27, 2005
6873671 Reactor manual control system Mar. 29, 2005
6804320 Automatically scramming nuclear reactor system Oct. 12, 2004
6798859 Branch amplifier card Sep. 28, 2004
6650722 Hydraulic control unit transponder card Nov. 18, 2003
6590952 Reactor manual control system Jul. 8, 2003
6333955 Control rod and manufacturing method for the control rod Dec. 25, 2001
5787136 Wear resisting sintered alloy and its production, and control rod driving apparatus and nuclear reactor using the same Jul. 28, 1998
5778034 Control rod drive mechanism Jul. 7, 1998
5581587 Control rod driving apparatus Dec. 3, 1996
5471513 Split control rod drive Nov. 28, 1995
5406597 Boiling water reactor including split control rod drives Apr. 11, 1995
5378064 Control rod driving system Jan. 3, 1995
5361279 Internal control rod drive for a BWR Nov. 1, 1994
5327930 Nuclear reactor locking piston drive system and valve assembly Jul. 12, 1994
5276719 Hydraulic control rod drive for a nuclear reactor Jan. 4, 1994
5232656 Fast-acting nuclear reactor control device Aug. 3, 1993
5207975 Hydraulic control rod driving system May. 4, 1993
5128093 Control rod drive hydraulic system Jul. 7, 1992
5120489 Hydraulic control rod drive Jun. 9, 1992
5110535 Turbine-driven control rod drive May. 5, 1992
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
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
4770845 Self-actuating reactor shutdown system Sep. 13, 1988
4769208 Automatic safety rod for reactors Sep. 6, 1988
4752433 Vent system for displacer rod drive mechanism of pressurized water reactor and method of operation Jun. 21, 1988
4716008 Device for control of the core of a nuclear reactor Dec. 29, 1987
4690794 System for controlling driving water for control rod driving mechanism of nuclear reactor Sep. 1, 1987
4686077 Nuclear reactor installation Aug. 11, 1987
4683102 Device for operating a cluster of neutron absorber elements in a pressurized water nuclear reactor Jul. 28, 1987
4609522 Mechanical drive system for moving fuel Sep. 2, 1986
4550941 Hydraulic drive mechanism Nov. 5, 1985
4518559 Control of nuclear reactors May. 21, 1985
4489036 Apparatus for measuring friction of hydraulic control rod drives in nuclear reactors Dec. 18, 1984
4439054 Latching mechanism Mar. 27, 1984
4349507 Drive for an absorber rod of a nuclear reactor Sep. 14, 1982
4324427 Automobile bumper with adiabatic device Apr. 13, 1982
4323427 Deceleration buffer for hydraulic linear motion drive Apr. 6, 1982
4293381 Nuclear reactor having control rod holding latch Oct. 6, 1981
4263580 Monitor system for operation of solenoid operated devices Apr. 21, 1981
4173511 Control rod blow out protection system Nov. 6, 1979
4158602 Method and apparatus for controlling the neutron flux in nuclear reactors Jun. 19, 1979
4138320 Fluidic self-actuating control assembly Feb. 6, 1979

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