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Ge hitachi Nuclear Energy Americas Llc patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "G" | Ge hitachi Nuclear Energy Americas Llc-related inventors


Remotely operated vehicles, systems, and methods for inspecting core shrouds

A remotely operated vehicle (ROV) for inspecting a core shroud having an outer surface may include: a body configured to be operatively connected to a tether; and/or a sensor, configured to be operatively connected to the body, and configured to provide inspection information of the shroud. The tether may be... Ge hitachi Nuclear Energy Americas Llc

Remotely operated vehicles, systems, and methods for inspecting core shrouds

A remotely operated vehicle (ROV) for inspecting a core shroud having an outer surface may include: a body configured to be operatively connected to a tether; and/or a sensor, configured to be operatively connected to the body, and configured to provide inspection information of the shroud. The tether may be... Ge hitachi Nuclear Energy Americas Llc

Insulated solution injector, system including the same, and injecting using the same

An insulated solution injector may include an outer tube and an inner tube arranged within the outer tube. The outer tube and the inner tube may define an annular space therebetween, and the inner tube may define a solution space within. The annular space may be configured so as to... Ge hitachi Nuclear Energy Americas Llc

Stationary isolated rod couplings for use in a nuclear reactor control rod drive

Control rod drives include linearly-moveable control elements inside an isolation barrier. Control rod drives move the control element through secured magnetic elements subject to magnetic fields. Induction coils may generate the magnetic fields across a full stroke length of the control element in the reactor. A closed coolant loop may... Ge hitachi Nuclear Energy Americas Llc

Moveable isolated rod couplings for use in a nuclear reactor control rod drive

Control rod drives include linearly-moveable control elements inside an isolation barrier. Control rod drives move the control element through secured magnetic elements subject to magnetic fields. Induction coils may generate magnetic fields and be moveable across a full stroke length of the control element in the reactor. A motor may... Ge hitachi Nuclear Energy Americas Llc

Magnetically-actuated isolated rod couplings for use in a nuclear reactor control rod drive

Control rod drives include linearly-moveable control elements inside an isolation barrier. Control rod drives move the control element through a motor and rotor powering a linear screw internal to an isolation barrier. Induction coils may generate magnetic fields and be moveable across a full stroke length of the control element... Ge hitachi Nuclear Energy Americas Llc

Entrainment-reducing assembly, system including the assembly, and reducing entrainment of gases with the assembly

An entrainment-reducing assembly may include a container configured to hold a liquid. A venting arrangement may extend into an upper portion of the container and be configured to direct condensable and non-condensable gases into the container. A suction structure may extend into a lower portion of the container and be... Ge hitachi Nuclear Energy Americas Llc

Vacuum breaker valve assembly

A breaker valve assembly for a nuclear reactor containment includes a valve body, a valve body insert, and a lid. The valve body includes a first side wall defining a chamber, a first opening in a top portion of the first side wall, and a second opening in a bottom... Ge hitachi Nuclear Energy Americas Llc

Nuclear reactor fluid thermal monitoring array

A nuclear reactor includes a coolant fluid thermal monitoring array configured to monitor coolant fluid circulation in a downcomer flow channel of a nuclear reactor. The thermal monitoring array includes one or more flowmeter assemblies configured to monitor coolant fluid flow through separate flow channel portions. Each flowmeter assembly includes... Ge hitachi Nuclear Energy Americas Llc

Rod assembly for nuclear reactors

One embodiment provides a multi-segment rod that includes a plurality of rod segments. The rod segments are removably mated to each other via mating structures in an axial direction. An irradiation target is disposed within at least one of the rod segments, and at least a portion of at least... Ge hitachi Nuclear Energy Americas Llc

Slip joint clamps and methods for use in a nuclear reactor jet pump

Slip joint clamps seat on a diffuser end via external features of the diffuser, like guide ears, regardless of slip joint wear or damage. The clamps can be opened and closed to surround an inlet mixer forming a slip joint with the diffuser without disassembly. Slip joint clamps drive or... Ge hitachi Nuclear Energy Americas Llc

Apparatuses and methods for structurally replacing cracked welds in nuclear power plants

An apparatus configured to structurally replace a cracked weld in a nuclear plant may include: a first body portion that includes a first gripping portion; a second body portion that includes a second gripping portion; a wedge portion between the first and second body portions; and/or an adjustment portion. The... Ge hitachi Nuclear Energy Americas Llc

Fuel bundle for a liquid metal cooled nuclear reactor

In one embodiment, the fuel bundle for a liquid metal cooled reactor includes a channel, a nose assembly secured to a lower end of the channel, and a plurality of fuel rods disposed within the channel. At least one of the fuel rods has at least one guard ring surround... Ge hitachi Nuclear Energy Americas Llc

Chimney structure with internal partitions having a common center, a reactor including the chimney structure, and a manufacturing the same

A chimney structure according to a non-liming example embodiment may include a guide structure defining an opening, and a plurality of chimney partitions including 1 to N chimney partitions concentrically arranged and spaced apart from each other on the guide structure. The 1 to N chimney partitions may each define... Ge hitachi Nuclear Energy Americas Llc

Reactor pressure vessel including pipe restraint device, and/or a pipe restraint device

A reactor pressure vessel includes a reactor pressure vessel body, a nozzle structure connected to the reactor pressure vessel body, a conduit structure connected to the nozzle structure, and a restraint device attached around a portion of the conduit structure. The restraint device includes collar parts that have cross sections... Ge hitachi Nuclear Energy Americas Llc

Apparatus for inspecting nuclear reactor and method thereof

Example embodiments disclose an apparatus for inspecting welds in a nuclear reactor. The apparatus may include a body, a rotatable pad on the body, a pair of opposing horizontal pads for moving the device in a vertical direction, a pair of opposing vertical pads for moving the device in a... Ge hitachi Nuclear Energy Americas Llc

Method and reparing a jet pump slip joint

A jet pump slip joint repair assembly includes at least one clamp and a bushing configured to be inserted in a bore of a diffuser and to surround a portion of an inlet mixer. The clamp includes a gripping surface and a gripping collar. The bushing includes a generally cylindrical... Ge hitachi Nuclear Energy Americas Llc

Nuclear reactor scram control system

A nuclear reactor scram control system for a nuclear reactor includes a solenoid pilot valve (SSPV). The SSPV includes a solenoid indicator light electrically coupled to an SSPV solenoid of the SSPV. The solenoid indicator light may be selectively activated based on an energization state of the SSPV solenoid, thereby... Ge hitachi Nuclear Energy Americas Llc

Piping enhancement for backflow prevention in a multiple loop, metal cooled nuclear reactor system

A sodium-cooled nuclear reactor includes at least one electromagnetic pump assembly and a backflow reduction pipe. The backflow reduction pipe may include an inlet, an outlet, at least one tubular section having a first length and a first diameter, and at least one fluid diode section between the inlet and... Ge hitachi Nuclear Energy Americas Llc

Nuclear reactor liquid metal coolant backflow control

A liquid metal-cooled nuclear reactor includes, within a reactor pressure vessel, a primary electromagnetic pump (EMP) circulating liquid metal coolant through the reactor core and a backflow EMP. The nuclear reactor may be configured to at least partially mitigate liquid metal coolant backflow in response to a primary EMP failure.... Ge hitachi Nuclear Energy Americas Llc

Systems and methods for high-reliability valve opening

Safety valves accurately control closure and opening of fluid passage through the valve. Valves include a barrier that blocks the fluid until removal only by a high-energy projectile. Following removal and opening, the barrier or the projectile can flow through the valve, which remains open. Bullets, pneumatic pistons, shot, coilgun... Ge hitachi Nuclear Energy Americas Llc

Nuclear reactor flow path sealing systems and seals

Seals are positioned between abutting nuclear reactor components. Example seals are held in position by gravity, grooves, retainers, direct joining, or other mating structures to seal the abutting components. Compression of example seals drives the seals against the joining components, preventing fluid passage therebetween. Example seals may include a cavity... Ge hitachi Nuclear Energy Americas Llc

Positioning and inspection apparatuses for use in nuclear reactors

Devices position inspection and operation tools in a nuclear reactor without use of a bridge or other refueling structure well above the reactor core. Devices can selectively join to in-reactor structures like steam dams through clamping that permits limited movement. Clamps can include one or more rollers that allow for... Ge hitachi Nuclear Energy Americas Llc

Insulated solution injector including an insulating liner, system including the same, and injecting using the same

An insulated solution injector may include an outer tube and an inner tube arranged within the outer tube. The outer tube and the inner tube may define an annular space therebetween, and the inner tube may define a solution space within. The annular space may be configured so as to... Ge hitachi Nuclear Energy Americas Llc

Passive fire response system and manufacturing

A passive fire response system is configured to suppress a metallic fire. The system includes a reservoir containing an ionic liquid, at least one outlet in communication with the reservoir, a valve arranged between the reservoir and the outlet, a sensor configured to sense at least one of a hydrogen... Ge hitachi Nuclear Energy Americas Llc

Modular energetic fluid flow distribution

Modular flow control systems include several differently-shaped structures to achieve desired flow characteristics in fluid flow. Systems include one or many plates held in desired positions by a retainer within the flow. The plates are uniquely shaped based on their position, or vice versa, to shape flow in a desired... Ge hitachi Nuclear Energy Americas Llc

Systems and methods for generating isotopes in nuclear reactor startup source holders

Irradiation target holders are configured to fit in open locations inside of an operating commercial nuclear core. Holders can be placed with ends at vertical bottom and top of the core or any position therebetween to directly expose holders to nuclear fuel reactions. Holders have ends and overall shape that... Ge hitachi Nuclear Energy Americas Llc

Passive safety system for removing decay heat and passively increasing a coolant flow using the same

A passive safety system for removing decay heat from a nuclear power system may comprise a shroud structure and a heat generator that is within the shroud structure. A thermoelectric device may be disposed in thermal contact with the heat generator. The thermoelectric device is configured to generate a voltage... Ge hitachi Nuclear Energy Americas Llc

Chimney and loading/unloading methods for the same in nuclear reactors

Chimneys include several combinable parts usable in nuclear reactors. The parts are modular and removably joinable without destruction for use in directing flow in an operating nuclear reactor and directly fit in storage area during non-operation. Chimney parts are joinable through flanges and connecting structures. Chimney parts may include partitions... Ge hitachi Nuclear Energy Americas Llc








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