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Class Information
Number: 376/381
Name: Induced nuclear reactions: processes, systems, and elements > Reactor structures > Circulating fluid within reactor > Pebble bed reactor
Description: Subject matter wherein the fuel material is in the form of generally spherical elements, a plurality of which are held together in a container.










Sub-classes under this class:

Class Number Class Name Patents
376/382 Having core of separate pebble containers 9


Patents under this class:
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Patent Number Title Of Patent Date Issued
8537961 Hybrid integrated energy production process Sep. 17, 2013
8243871 Spherical fuel element and production thereof for gas-cooled high temperature pebble bed nuclear reactors (HTR) Aug. 14, 2012
7978807 Nuclear reactor Jul. 12, 2011
7424412 Method of determining nuclear reactor core design with reduced control blade density Sep. 9, 2008
7403585 Optimally moderated nuclear fission reactor and fuel source therefor Jul. 22, 2008
7231333 Method and arrangement for developing core loading patterns in nuclear reactors Jun. 12, 2007
7200541 Method and arrangement for determining nuclear reactor core designs Apr. 3, 2007
6977983 Nuclear power plant and a method of conditioning its power generation circuit Dec. 20, 2005
6865245 Guide ring to control granular mixing in a pebble-bed nuclear reactor Mar. 8, 2005
6862331 Reactor core cooling structure Mar. 1, 2005
6804320 Automatically scramming nuclear reactor system Oct. 12, 2004
5978434 Pebble bed reactor Nov. 2, 1999
5774514 Energy amplifier for nuclear energy production driven by a particle beam accelerator Jun. 30, 1998
5428653 Apparatus and method for nuclear power and propulsion Jun. 27, 1995
5309492 Control for a closed cycle gas turbine system May. 3, 1994
5289512 Nuclear propulsion reactor Feb. 22, 1994
5265134 Gas-cooled nuclear reactor plant with a heat exchanger for removing afterheat Nov. 23, 1993
5255509 Particle bed reactor-powered turbine engine Oct. 26, 1993
5225153 Pebble-type high temperature gas reactor Jul. 6, 1993
5173251 Mixing apparatus for fluids Dec. 22, 1992
5114667 High temperature reactor having an improved fluid coolant circulation system May. 19, 1992
5061435 High-temperature reactor Oct. 29, 1991
5051230 Nuclear reactor of a ball-bed type for batch-wise use of core fuel balls replaced by a new batch at relatively long intervals Sep. 24, 1991
5047204 Nuclear fuel element for a particle bed reactor Sep. 10, 1991
5037601 Glass-pool, gas-cycle nuclear power plant Aug. 6, 1991
5032349 Shutdown of a high temperature reactor Jul. 16, 1991
5028378 Safety system for a gas cooled high temperature reactor Jul. 2, 1991
5019322 Gas cooled nuclear reactor with a pebble bed of spherical operating elements May. 28, 1991
4976913 Nuclear energy system using pelletized fuel in a boiling liquid reactor Dec. 11, 1990
4923670 Roof reflector for a nuclear reactor May. 8, 1990
4911881 Spring packed particle bed fuel element Mar. 27, 1990
4863676 Inherently safe, modular, high-temperature gas-cooled reactor system Sep. 5, 1989
4830818 Ceramic installations May. 16, 1989
4826652 Low capacity nuclear reactor housed underground in the cavity of a cylindrical pressure vessel May. 2, 1989
4816212 Graphite side reflector Mar. 28, 1989
4808370 Connection of a hot gas line to the core barrel of a gas-cooled high-temperature nuclear reactor Feb. 28, 1989
4798700 Ceramic installations Jan. 17, 1989
4789519 Nuclear reactor plant Dec. 6, 1988
4788031 Concrete reactor pressure vessel for a gas cooled nuclear reactor of low capacity Nov. 29, 1988
4778646 Gas cooled high temperature reactor charged with spherical fuel elements Oct. 18, 1988
4777012 Gas cooled high temperature reactor charged with spherical fuel elements Oct. 11, 1988
4761260 Nuclear power plant with a high temperature reactor located in a cylindrical prestressed concrete pressure vessel Aug. 2, 1988
4756873 Single loop nuclear power plant for current generation with a helium cooled high temperature reactor Jul. 12, 1988
4743424 Nuclear reactor installation May. 10, 1988
4728492 Roof reflector for a small high temperature reactor Mar. 1, 1988
4698203 Gas-cooled nuclear reactor with a bed of spherical fuel elements Oct. 6, 1987
4695423 Method for loading, operating, and unloading a ball-bed nuclear reactor Sep. 22, 1987
4692301 Steam generator heated with the cooling gas of a nuclear reactor Sep. 8, 1987
4689194 Nuclear reactor plant with a small high temperature reactor operating with spherical fuel elements Aug. 25, 1987
4675155 Roof reflector for a high temperature small reactor Jun. 23, 1987

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