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Class Information
Number: 376/328
Name: Induced nuclear reactions: processes, systems, and elements > Control component for a fission reactor > Liquid control component
Description: Subject matter wherein the reactivity affecting material is in a liquid state.

Sub-classes under this class:

Class Number Class Name Patents
376/330 Liquid metal control component 4
376/329 With vaporization 7

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8638901 Optimum configuration for fast reactors Jan. 28, 2014
7447291 Nuclear reactor and means for inserting liquid neutron absorber into the core Nov. 4, 2008
6781331 Method and apparatus for regulating motor generator output Aug. 24, 2004
5615239 Core differential pressure and liquid control line apparatus in a nuclear reactor Mar. 25, 1997
5291530 Enriched boron-10 boric acid control system for a nuclear reactor plant Mar. 1, 1994
5271052 Enriched boron-10 boric acid control system for a nuclear reactor plant Dec. 14, 1993
5265135 Instrumentation and control scheme for implementing a boron isotopic enrichment process Nov. 23, 1993
5227128 Reactivity controlled fuel assembly Jul. 13, 1993
5176885 Isotope separation of weak acid forming elements by utilization of thermal regeneration of ion exchange resin Jan. 5, 1993
5145638 RPV housed ATWS poison tank Sep. 8, 1992
5139735 Reactivity control system Aug. 18, 1992
5130078 Reactivity control system and method Jul. 14, 1992
5116567 Nuclear reactor with bi-level core May. 26, 1992
5112569 Intrinsic-safety nuclear reactor of the pressurized water type May. 12, 1992
5091143 Natural circulation reactor Feb. 25, 1992
5082618 Method and device for modifying the concentration of the soluble poison contained in the cooling fluid of the primary circuit of a nuclear reactor Jan. 21, 1992
5064602 Control rod flow diverters Nov. 12, 1991
5008069 Device for cooling a heat-generating member Apr. 16, 1991
4939754 Device for limitation of a flow through a density lock for a nuclear reactor Jul. 3, 1990
4897240 Nuclear reactor Jan. 30, 1990
4859406 Reactor Aug. 22, 1989
4844856 Process for automatic regulation of the soluble boron content of the cooling water of a pressurized water nuclear reactor Jul. 4, 1989
4818477 PCI resistant fuel and method and apparatus for controlling reactivity in a reactor core Apr. 4, 1989
4783306 Method and device for passive transfer of heat from nuclear reactors to a public utility network, with automatic regulation of reactor power and automatic emergency shutdown and switchover to Nov. 8, 1988
4735767 Method and device for reducing the activity of a gas-cooled stacked-ball nuclear reactor Apr. 5, 1988
4693862 Gas displacement spectral shift reactor and control method Sep. 15, 1987
4683103 Spectral shift apparatus and method for a nuclear reactor fuel assembly Jul. 28, 1987
4675090 Process for extracting an acid, more especially boric acid, from a weakly ionized aqueous solution Jun. 23, 1987
4664878 Light water moderator filled rod for a nuclear reactor May. 12, 1987
4661306 Fluid moderator control system reactor internals distribution system Apr. 28, 1987
4657726 Moderator control apparatus for a nuclear reactor fuel assembly Apr. 14, 1987
4640813 Soluble burnable absorber rod for a nuclear reactor Feb. 3, 1987
4582672 Method and apparatus for preventing inadvertent criticality in a nuclear fueled electric powering generating unit Apr. 15, 1986
4565926 Method and apparatus for determining the content and distribution of a thermal neutron absorbing material in an object Jan. 21, 1986
4526742 Nuclear reactor plant Jul. 2, 1985
4495140 Permanent deactivation of nuclear reactor Jan. 22, 1985
4462956 Apparatus for partitioning off the core of a nuclear reactor with removable elements Jul. 31, 1984
4435184 Method of recovering boric acid from waste-water concentrates of nuclear plants Mar. 6, 1984
4299657 Process for running a nuclear reactor cooled with light water Nov. 10, 1981
4279697 Method of and apparatus for shutting down a gas-cooled nuclear reactor Jul. 21, 1981
4279698 Nuclear reactor operation control process Jul. 21, 1981
4225390 Boron control system for a nuclear power plant Sep. 30, 1980
4221637 Liquid absorbent safety rod for a nuclear reactor Sep. 9, 1980
4204259 Automatic apparatus for continuous determination of boron and lithium concentrations May. 20, 1980
4187144 Nuclear reactor power supply Feb. 5, 1980
4148708 Combination ion exchange and electrodialysis fluid purification apparatus Apr. 10, 1979
4104122 Liquid absorbent safety device for a nuclear reactor Aug. 1, 1978
4088534 Casing for the fuel elements of a water-cooled nuclear reactor May. 9, 1978
4081683 Measuring the concentration of boron in water Mar. 28, 1978
4073683 Boron control system for a nuclear power plant Feb. 14, 1978

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