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Terrapower Llc patents

Recent patent applications related to Terrapower Llc. Terrapower Llc is listed as an Agent/Assignee. Note: Terrapower Llc may have other listings under different names/spellings. We're not affiliated with Terrapower Llc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | Terrapower Llc-related inventors

 new patent  Electro-synthesis of uranium chloride fuel salts

This disclosure describes systems and methods for synthesizing UCl3 from UCl4. These systems and methods may also be used to directly synthesize binary and ternary embodiments of uranium salts of chloride usable as nuclear fuel in certain molten salt reactor designs. The systems and methods described herein are capable of... Terrapower Llc

Uranium hexafluoride off-gas treatment system and method

This disclosure describes systems and methods for removing uranium hexafluoride (UF6) and/or other uranium fluoride (uranium fluorides identified herein generally as UFx) gases from a hydrogen fluoride (HF) gas stream.... Terrapower Llc

Vertically-segmented nuclear reactor

This disclosure describes various configurations and components of a molten fuel fast or thermal nuclear reactor in which one or more primary heat exchangers are located above the reactor core of the nuclear reactor.... Terrapower Llc

Instrumentation conduit housing

A conduit housing includes a top face, a pair of side faces disposed opposite each other and adjacent to the top face, a front side, and a rear side. The top face includes a plurality of vertical conduit ports arranged in a plurality of rows. The front side is positioned... Terrapower Llc

Sodium-cesium ionization detector

Sodium-cesium detection systems and methods for the simultaneous detection of both sodium (Na) and cesium (Cs) in gas are provided. The detection systems include two non-identical ionization chambers each having an anode and a cathode that ionize Na and Cs in gas. Each ionization chamber generates a current proportional to... Terrapower Llc

Sodium cesium vapor trap system and method

Sodium-cesium trap systems and methods for the simultaneous removal of both sodium (Na) and cesium (Cs) in gas are provided. The trap system includes a contacting vessel having an inlet and an outlet with carrier gas channeled therethrough. A heating system maintains a temperature gradient across the contacting vessel between... Terrapower Llc

Molten fuel reactor thermal management configurations

Configurations of molten fuel salt reactors are described that allow for active cooling of the containment vessel of the reactor by the primary coolant. Furthermore, naturally circulating reactor configurations are described in which the reactor cores are substantially frustum-shaped so that the thermal center of the reactor core is below... Terrapower Llc

Molten fuel reactor cooling and pump configurations

Configurations of molten fuel salt reactors are described that include an auxiliary cooling system which shared part of the primary coolant loop but allows for passive cooling of decay heat from the reactor. Furthermore, different pump configurations for circulating molten fuel through the reactor core and one or more in... Terrapower Llc

Standing wave nuclear fission reactor and methods

Disclosed embodiments include nuclear fission reactor cores, nuclear fission reactors, methods of operating a nuclear fission reactor, and methods of managing excess reactivity in a nuclear fission reactor.... Terrapower Llc

Nuclear fuel salts

This disclosure describes nuclear fuel salts usable in certain molten salt reactor designs and related systems and methods. Binary, ternary and quaternary chloride fuel salts of uranium, as well as other fissionable elements, are described. In addition, fuel salts of UClxFy are disclosed as well as bromide fuel salts. This... Terrapower Llc

Nuclear fission reactor, flow control assembly, methods therefor and a flow control assembly system

A nuclear fission reactor, flow control assembly, methods therefor and a flow control assembly system. The flow control assembly is coupled to a nuclear fission module capable of producing a traveling burn wave at a location relative to the nuclear fission module. The flow control assembly controls flow of a... Terrapower Llc

Molten fuel nuclear reactor with neutron reflecting coolant

Configurations of molten fuel salt reactors are described that utilize neutron-reflecting coolants or a combination of primary salt coolants and secondary neutron-reflecting coolants. Further configurations are described that circulate liquid neutron-reflecting material around an reactor core to control the neutronics of the reactor. Furthermore, configurations which use the circulating neutron-reflecting... Terrapower Llc

High temperature, radiation-resistant, ferritic-martensitic steels

This disclosure describes new high temperature, radiation-resistant, ferritic-martensitic steel compositions. The new steels generally contain 9.0-12.0 wt. % Cr, 0.001-1.0 wt. % Mn, 0.001-2.0 wt. % Mo, 0.001-2.5 wt. % W, and 0.1-0.3 wt. % C, with the balance being primarily Fe. More specifically, steels having from 10.0-12.0 wt. %... Terrapower Llc

Fission product getter

A getter element includes a getter material reactive with a fission product contained within a stream of liquid and/or gas exiting a fuel assembly of a nuclear reactor. At least one transmission pathway passes through the getter element that is sufficiently sized to maintain a flow of the input stream... Terrapower Llc

End cap for nuclear fuel rod having an angled recess and welding thereof

An end cap for a nuclear fuel rod and methods of welding the end cap to a cladding tube, particularly an HT9 end cap to an HT9 cladding tube, such as by resistance pressure welding or pressure resistance welding. The end cap includes an annular shoulder and an angled recess.... Terrapower Llc

Iron-based composition for fuel element

Disclosed embodiments include fuel assemblies, fuel element, cladding material, methods of making a fuel element, and methods of using same.... Terrapower Llc

Neutron reflector assembly for dynamic spectrum shifting

A dynamic neutron reflector assembly for a “breed-and-burn” fast reactor incrementally adjusts neutron spectrum and reactivity in a reactor core. The composition of materials in the dynamic neutron reflector may be adjusted to change neutron reflectivity levels, or to introduce neutron moderating or absorption characteristics. The dynamic neutron reflector may... Terrapower Llc

Fuel element with multi-smear density fuel

A fuel element has a ratio of area of fissionable nuclear fuel in a cross-section of the tubular fuel element perpendicular to the longitudinal axis to total area of the interior volume in the cross-section of the tubular fuel element that varies with position along the longitudinal axis. The ratio... Terrapower Llc

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