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Areva patents


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

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


Stator for a generator and a flux switching machine for a wind turbine

A stator for a generator of a wind turbine is provided. The stator comprises a magnetic frame, magnets, and magnetic sections spaced from each other. The magnets are used to fasten the magnetic sections to the frame. Further, a flux switching machine for a wind turbine, in particular a generator... Areva

Test unit for quantitative analysis of a contact pattern on a tooth surface of a gear, quantitative analysis and use of the test unit

A test unit for quantitative analysis of a contact pattern and a method for quantitative analysis are provided. The test unit comprises an optoelectronic sensor that captures images of a contact pattern paint on a tooth surface of a gear. Furthermore, the test unit comprises a control unit, which is... Areva

Tool for handling a long and heavy object

A tool for handling a long and heavy object, in particular a wind turbine rotor blade, includes a clamping unit which can be fixed to the rotor blade. The clamping unit has a first clamp and a second clamp spaced from the first clamp with respect to a longitudinal direction... Areva

Hybrid shaft bearing, wind generator comprising a hybrid shaft bearing, use of the hybrid shaft ...

A hybrid shaft bearing, a wind generator comprising the hybrid shaft bearing, a use of the hybrid shaft bearing and a method of operating the hybrid shaft bearing is provided. The hybrid shaft bearing comprises a hydrodynamic friction bearing and a rolling bearing. Both the hydrodynamic friction and rolling bearings... Areva

Air duct for wind power plant, wind power plant, manufacturing an air duct ...

An air duct for a wind power plant is configured to guide air along a circumference of a supporting structure, in particular a tower, of the wind power plant. The wind power plant also includes an air guide and provides methods of manufacturing the air guide for the wind power... Areva

Electrical system comprising a stack of electrochemical cells and controlling said system

An electrical system includes a stack (3) of electrochemical cells (5), a power converter (9) electrically connected to the stack (3), a voltage comparator (7) for comparing the voltage at the terminals of at least one group of at least one electrochemical cell (5) of the stack (3) to a... Areva

Method for controlling a fuel cell and associated fuel cell system

A method for controlling a fuel cell (12) includes the following steps: measuring the fluid pressure in a first compartment from the anode and cathode compartments of the fuel cell (12); calculating a first target pressure for the fluid pressure in the second compartment of the fuel cell (12), the... Areva

Device for ultrasonic testing of fasteners and associated method

The device for the ultrasonic inspection of fasteners, such as screws, bolts or studs, the fastener comprising a head, the device comprising a probe, the probe comprising at least one piezoelectric multi-element matrix sensor, is characterized in that the piezoelectric multi-element matrix sensor has an active part having a surface... Areva

Scene reconstruction by assembling images

A method for inspecting a surface (12) of a piece of nuclear power plant equipment includes scanning the surface (12) with an acquisition field (20) of a matrix array camera (14). The acquisition field (20) moves relative to the surface (12) at a movement speed. The method also includes acquiring,... Areva

Ultrasound transducer

An ultrasound transducer is provided. The ultrasound transducer include at least one emitter made from a piezoelectric material, having first and second emitting surfaces opposite one another provided to emit first and second ultrasound beams. The transducer comprises at least first and second mirrors placed across from the first and... Areva

Method of operating a pressurized-water nuclear reactor allowing same to pass from a plutonium equilibrium cycle to a uranium equilibrium cycle and corresponding nuclear fuel assembly

A method is provided for operating a nuclear reactor. The method includes operating the nuclear reactor for at least one plutonium equilibrium cycle during which the core contains plutonium-equilibrium nuclear fuel assemblies; subsequently, operating the reactor for transition cycles, at least some of the plutonium-equilibrium nuclear fuel assemblies being progressively... Areva

Assembly for acting on the outer surface of a tube, and corresponding method

An assembly for acting on the outer surface of a tube, and corresponding method are provided. The assembly includes a carrier; at least one inspection or maintenance tool; the carrier includes at least one rolling body; an actuator. The carrier further includes a device for connecting the carrier to the... Areva

Device and three-dimensional reconstruction of a scene by image analysis

A device and method for three-dimensional reconstruction of a scene by image analysis is provided. This device comprises an image acquisition device to capture images of the scene, an analysis device to calculate a three-dimensional reconstruction of the scene from at least one image of the scene taken by the... Areva

Photothermal examination method and corresponding examination unit

A photothermal examination method and corresponding examination unit are provided. In the method first and second zones of the surface to be characterized are scanned simultaneously, and first and second photosensitive surfaces separate from one another acquire images of the infrared radiation emitted by these two zones.... Areva

Ventilator arrangement, fan flap configuration and related control cabinet

A fan arrangement has a plurality of fans arranged in parallel to each other and configured to generate airflow along a common main flow direction. A flow channel is assigned to each fan, and a respective flow channel has a flap that can be swiveled between an open position and... Areva

Circuit arrangement for a safety i&c system

at least one dedicated PLD which operates as an application-specific switch-matrix for the logic blocks.... Areva

Temperature-measuring stick with an easily replaceable thermocouple

The invention relates to a thermocouple (17) suspended from a part (26, 27) that can be locked onto a connecting section of the measuring stick, which comprises an opening in the form of a guiding cone (30) for inserting the thermocouple. The thermocouple is contained in a flexible cable (24)... Areva

Process for manufacturing a pellet of at least one metal oxide

P(H2)/P(H2O)≦500, at least during step (c), from a second intermediate temperature Ti2 between TP and 1000° C., until TF is reached.... Areva

Cyclonic separation device comprising two cyclones linked by an optimised pipe unit

A device for the cyclonic separation of solid particles contained in a fluid, comprising a primary cyclone chamber, a secondary cyclone chamber, an inlet channel for fluid loaded with solid particles opening into the primary cyclone chamber, an outlet channel for fluid cleaned of the solid particles connected to the... Areva

Gel formulations for detecting and locating radioactive surface contamination of solid substrates, and detection and location method using said gels

The invention relates to gels for detecting and locating radioactive surface contamination of a solid material substrate, particularly via change in the colour of the gels within the visible range or via attenuation, fading, of the colour of the gels, i.e. decoloration of the gels. The invention also relates to... Areva

Method for activating u3o8 with a view to converting same into hydrated uo4

A method to convert U3O8 to hydrated UO4 of formula UO4, nH2O where n is 2 or 4, comprising at least one step at which hydrogen peroxide H2O2 is added to the aqueous suspension of a powder of activated U3O8 obtained at the end of step b) of the activation... Areva

Packaging for decommissioned and dismantled nuclear reactors and reactor components

A method of decommissioning a nuclear reactor including a vessel defining an inner chamber and reactor internal components positioned within the inner chamber includes removing at least some of the internal components and repackaging at least some of the removed internal components in at least one of the first and... Areva

Method and device for replacing control rod drives

A control rod drive replacement device is provided. The control rod drive replacement device includes a first channel for mounting on a support under a nuclear reactor pressure vessel; a first control rod drive extractor removably received in the first channel, the first control rod drive extractor including a first... Areva

Probabilistic evaluation of fastener degradation in nuclear power plants

A probabilistic method for determining an operability interval for fasteners in a nuclear power plant assembly is provided. The probabilistic method includes determining or assuming a geometric distribution of a given initial condition of fasteners in the nuclear power plant assembly at an initial time T0; determining a future fastener... Areva

Convective dry filtered containment venting system

A dry FCVS for a nuclear reactor containment is provided. The dry FCVS includes a housing and a round and/or elongated aerosol filter inside the housing for removing contaminant aerosols from gas passing through the housing during venting of the containment. The housing includes at least one inlet portion configured... Areva

Horizontal storage module, carriage assembly, and canister transfer assemblies

A horizontal storage module (HSM) includes a body defining a plurality of compartments configured for receiving canisters, wherein the compartments are arranged in a first row at a first elevation and a second row at a second elevation higher than the first elevation, and wherein at least a portion of... Areva

Inner cask roller assembly

An inner cask roller assembly for lining the inner surface of a cask configured for receiving a canister includes: a first section of first rollers protruding inwardly from the inner surface at a first distance measured radially from the inner surface of the cask; a second section of second rollers... Areva

Canister movement assembly for transfer, rotation, and/or inspection

A movement system for moving a dry shielded canister includes a stabilization portion, and a canister support portion engaged with the stabilization portion, the canister support portion including a roller interface for supporting and moving a canister. A method of moving a dry shielded canister includes moving a roller interface... Areva

Sealing device for jet pump slip joints

A sealing device for a jet pump of a boiling water reactor is provided. The jet pump includes an inlet mixer and a diffuser receiving the inlet mixer at a slip joint such that an outer circumferential surface of the inlet mixer is received in an inner circumferential surface of... Areva

Packaging for decommissioned and dismantled nuclear reactors and reactor components

A method of decommissioning a nuclear reactor including a vessel defining an inner chamber and reactor internal components positioned within the inner chamber includes removing at least some of the internal components and repackaging at least some of the removed internal components in at least one of the first and... Areva

Inspection video radiation filter

A method for filtering radiation on a CCD based camera inspection video, the method including: capturing video signals via the camera; converting the video signals to a plurality of digital video frames; identifying radiation bright spots, defined as xnoids, in a pixel of at least one of the frames, replacing... Areva

Device and checking a fuel rod of a fuel element

The disclosure relates to a device for checking a fuel rod comprising a testing container having first and second chambers, a first checking device arranged in the testing container, wherein the testing container has at least one inlet opening, at least one outlet opening, and an insertion opening for inserting... Areva

Method of decontaminating metal surfaces in a cooling system of a nuclear reactor

A method of decontaminating metal surfaces in a cooling system of a nuclear reactor comprises conducting a plurality of treatment cycles, with each of the treatment cycles comprising: an oxidation step wherein metal oxides including radioisotopes on the metal surfaces are contacted with an aqueous solution of a permanganate oxidant;... Areva

Radionuclide generation system

A radionuclide generation system comprises a tube system configured to permit insertion and removal of irradiation targets into an instrumentation finger of a nuclear reactor, and an irradiation target drive system configured to insert the irradiation targets into the instrumentation finger and to remove the irradiation targets from the instrumentation... Areva

Irradiation target processing system

An irradiation target processing system for insertion and retrieving irradiation targets into and from an instrumentation tube in a nuclear reactor core comprises, a target retrieving system, target insertion system and transport gas supply system, mounted on a movable support, wherein: the target retrieving system comprises a target exit port... Areva

01/18/18 / #20180019032

Method of preparing of irradiation targets for radioisotope production and irradiation target

The invention provides a method of preparing irradiation targets for radioisotope production in instrumentation tubes of a nuclear power reactor, the method comprising the steps of: providing a powder consisting of an oxide of a rare earth metal having a purity of greater than 99% and, optionally, an organic binder;... Areva

01/18/18 / #20180019033

Method of preparing of irradiation targets for radioisotope production and irradiation target

The invention provides a method of preparing irradiation targets for radioisotope production in instrumentation tubes of a nuclear power reactor, the method comprising the steps of: providing a powder of an oxide of a rare earth metal having a purity of greater than 99%; consolidating the powder in a mold... Areva

01/11/18 / #20180010979

Device and performing a leak test on fuel rod capsules

The invention relates to a device for performing a leak test on a fuel rod capsule, which contains at least one fuel rod and test gas, which device comprises a test container, which is designed to accommodate at least one fuel rod capsule and can be lowered into a pool... Areva

12/21/17 / #20170365370

Irradiation target for radioisotope production, preparing and use of the irradiation target

The invention provides a sintered rare earth metal oxide target for producing a radioisotope in an instrumentation tube of a nuclear power reactor, wherein the sintered target has a density of at least 90 percent of the theoretical density, and wherein the sintered target contains chromium in an amount of... Areva

11/02/17 / #20170312679

Ventilation system and associated operating use during a serious accident in a nuclear installation

A ventilation system for an operating space accessible to operators in a nuclear installation is intended to allow a supply of decontaminated fresh air for a period of a few hours in the event of serious accidents involving the release of radioactive activity. In particular, the component of radioactive inert... Areva

06/01/17 / #20170154690

Method and device for storing containers having an encapsulated fuel rod or a fuel rod section

A method for encapsulating a fuel rod or a fuel rod section in a container includes inserting the fuel rod or fuel rod section into the container. One of the ends of the container is connected to a purging-gas line. The container is dehydrated and purged by use of a... Areva

03/09/17 / #20170067855

Method for testing a workpiece using ultrasound

The application relates to a method for testing a workpiece using ultrasound in a curved region of the surface of said workpiece, having the following steps: a plurality of ultrasonic signals are emitted from a plurality of transmitting positions into the workpiece a corresponding ultrasonic echo signal is received for... Areva

02/02/17 / #20170030869

Method for testing a workpiece using ultrasound

The invention relates to a method for testing a workpiece using ultrasound, wherein an ultrasonic probe generates an ultrasound signal which has a central beam and which is coupled into the workpiece under test, and the central beam is guided along a predefined path on the surface of the workpiece,... Areva

01/05/17 / #20170004894

Nuclear facility

A nuclear facility includes a fuel element pool which is filled with a cooling liquid. A fuel element rack, which is disposed in the fuel element pool, includes compartments for receiving fuel elements. The fuel elements received in the compartments are in direct contact with the cooling liquid in the... Areva








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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Areva in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Areva with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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