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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


Thermal management of molten fuel nuclear reactors

This disclosure describes various configurations and components of a molten fuel fast or thermal nuclear reactor for managing the operating temperature in the reactor core. The disclosure includes various configurations of direct reactor auxiliary cooling system (dracs) heat exchangers and primary heat exchangers as well as descriptions of improved flow paths for nuclear fuel, primary coolant and dracs coolant through the reactor components.. ... Terrapower Llc

Controllable long term operation of a nuclear reactor

Exemplary embodiments provide automated nuclear fission reactors and methods for their operation. Exemplary embodiments and aspects include, without limitation, re-use of nuclear fission fuel, alternate fuels and fuel geometries, modular fuel cores, fast fluid cooling, variable burn-up, programmable nuclear thermostats, fast flux irradiation, temperature-driven surface area/volume ratio neutron absorption, low coolant temperature cores, refueling, and the like.. ... 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 a reactor core to control the neutronics of the reactor. ... Terrapower Llc

Cable management systems

A cable management system has an outer rotating plug. An inner rotating plug is disposed off-center from and within the outer rotating plug. ... Terrapower Llc

In-vessel rod handling systems

A rod transfer assembly has an outer rotating plug. A pick-up arm assembly extends from the outer rotating plug and includes a pivoting arm. ... Terrapower Llc

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. ... 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. ... 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. ... 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. ... 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. ... 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 through the getter element at above a selected flow level. ... 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

03/30/17 / #20170092381

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. ... Terrapower Llc

03/02/17 / #20170062080

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 can vary with position along the longitudinal axis between a minimum of 0.30 and a maximum of 1.0. ... Terrapower Llc








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