Abrégé

Methods and system for identifying a query fuel pebble are provided. The query fuel pebble includes tristructural isotropic (TRISO) particles and at least one reference particle. The method involves providing the query fuel pebble in an imaging area; acquiring at least one process image showing the query fuel pebble in an arbitrary pebble orientation based on the at least one reference particle; generating at least one query image showing the query fuel pebble in a reference pebble orientation; comparing the at least one query image with a plurality of reference images, each reference image showing a reference fuel pebble in the reference pebble orientation; and identifying the query fuel pebble shown in the at least one query image as the reference fuel pebble shown in a selected reference image based on the comparison.

Classes IPC  ?

• G21C 17/06 - Dispositifs ou dispositions pour la surveillance ou le test du combustible ou des éléments combustibles en dehors du cœur du réacteur, p. ex. pour la consommation ou pour la contamination
• G06N 3/08 - Méthodes d'apprentissage
• G06V 10/75 - Organisation de procédés de l’appariement, p. ex. comparaisons simultanées ou séquentielles des caractéristiques d’images ou de vidéosApproches-approximative-fine, p. ex. approches multi-échellesAppariement de motifs d’image ou de vidéoMesures de proximité dans les espaces de caractéristiques utilisant l’analyse de contexteSélection des dictionnaires
• G06V 10/82 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant les réseaux neuronaux
• G06V 10/774 - Génération d'ensembles de motifs de formationTraitement des caractéristiques d’images ou de vidéos dans les espaces de caractéristiquesDispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant l’intégration et la réduction de données, p. ex. analyse en composantes principales [PCA] ou analyse en composantes indépendantes [ ICA] ou cartes auto-organisatrices [SOM]Séparation aveugle de source méthodes de Bootstrap, p. ex. "bagging” ou “boosting”
• G01N 23/04 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux
• G21C 1/07 - Réacteurs à bouletsRéacteurs à combustible granulaire

Abrégé

Processes for preparing synthetic hydrocarbons are disclosed herein. An aspect of the process comprises: electrolyzing a feed stream comprising steam and CO2 with a H2O/CO2 (S/C) molar ratio greater than about 2.0 in a high-temperature co-electrolyzer apparatus operating at a co-electrolyzer temperature to produce an enhanced hydrogen rich syngas having a first concentration of H2, removing at least a portion of H2 from the enhanced hydrogen rich syngas to provide a hydrogen rich syngas having a second concentration of H2 that is lower than the first concentration of H2, and producing at least an FT product stream that comprises synthetic hydrocarbons by reacting the hydrogen rich syngas in a Fischer-Tropsch (FT) reactor. Processes for reducing methane and soot content during production of an enhanced hydrogen rich syngas are also disclosed.

Classes IPC  ?

• C07C 1/12 - Préparation d'hydrocarbures à partir d'un ou plusieurs composés, aucun d'eux n'étant un hydrocarbure à partir d'oxydes de carbone à partir d'anhydride carbonique avec de l'hydrogène

Abrégé

Monitoring airborne radionuclides in an environment can be difficult because of different elements in ambient air. A nuclide sampling apparatus is provided that includes a first electrostatic precipitator subsystem comprising a first electrostatic precipitator, a first sample collector, and a first spectrometer system. The air outlet of the first electrostatic precipitator subsystem is fluidly connected to an inlet of a reactor subsystem. An outlet of the reactor subsystem is fluidly connected to an air inlet of a second electrostatic precipitator subsystem, which similarly comprises a second electrostatic precipitator, a second sample collector, and a second spectrometer system. In some cases, the reactor subsystem reacts ozone, provided by an ozone generator, with iodine gas, which exists in the ambient air that was not collected first sample collector, to produce iodine oxide aerosols that are collected by the second sample collector.

Classes IPC  ?

• G01T 7/06 - Moyens de collection pour recevoir ou conserver des échantillons à examiner par précipitation électrostatique
• G01T 1/36 - Mesure de la distribution spectrale des rayons X ou d'une radiation nucléaire

Abrégé

A method for monitoring a first attribute of a target object within a non-magnetic structure using a first probe coupled to the non-magnetic structure and located proximate the target object at a first detection region, the method includes a) introducing, at the first detection region, a pulsed electromagnetic interrogation signal along the electromagnetic circuit and through the target object using a first transmitter; b) receiving, at the first detection region, a response electromagnetic signal that is induced in the target object and generating a corresponding response electrical signal comprising time information and voltage information using a first receiver; c) determining the first attribute of the target object at the first detection region; d) generating a corresponding first output signal; and e) comparing one of the first output signal and the first attribute, to a stored value for the first detection region to determine if a condition is met.

Classes IPC  ?

• G01N 27/904 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant des variables magnétiques pour rechercher la présence des criques en utilisant les courants de Foucault avec plusieurs capteurs
• G01N 27/90 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant des variables magnétiques pour rechercher la présence des criques en utilisant les courants de Foucault

Abrégé

An electromagnetic shaker apparatus includes a body, and a magnetic device housed within the body and configured to provide a static magnetic field. The apparatus further includes an armature, and a solenoid coil mounted on the armature and configured to receive current from a power supply. Interaction between the static magnetic field and the solenoid coil can generate a Lorentz force that causes movement of the armature relative to the body. The apparatus can withstand high temperatures and/or pressures and/or chemical conditions, and can be used in a fretting wear system in testing environments.

Classes IPC  ?

• H01F 7/08 - Électro-aimantsActionneurs comportant des électro-aimants avec armatures
• B06B 1/04 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore utilisant l'énergie électrique fonctionnant par électromagnétisme
• G01N 3/02 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique Parties constitutives

Abrégé

An end fitting for a pressure tube in a nuclear reactor system includes an inboard end configured to surround and be joined to the end of the pressure tube in a fluid tight manner by a rolled joint. The rolled joint includes a grooved region having at least one annular groove. The end fitting also incudes a wettable inner surface that extends axially outboard from an outboard-most annular groove of the grooved region. The end fitting also incudes a corrosion barrier applied to form a coated portion of the wettable inner surface. The coated portion extends from a first position that is at or outboard of a coating reference position at the outside edge of the outboard-most annular groove, to a second position. An axial extent of the coated portion, measured axially from the coating reference position to the second position, is at least about 20 mm.

Classes IPC  ?

• G21C 13/067 - Bouchons scellés pour des tubulures, p. ex. puits de chargementDispositifs de verrouillage pour bouchons
• G21C 1/08 - Réacteurs hétérogènes, c.-à-d. dans lesquels le combustible et le modérateur sont séparés le modérateur étant hautement pressurisé, p. ex. réacteur à eau bouillante, réacteur à surchauffe intégrale, réacteur à eau pressurisée

Abrégé

The present invention relates to a method to improve the anti-tumour effects of immune checkpoint therapy by combining the use of a checkpoint inhibitor with ultralow dose whole body irradiation. The present invention enhances the anti-tumour effects of immune checkpoint therapy by reducing tumour volume as well as shortening the response time of the immune checkpoint therapy, as compared to immune checkpoint therapy on its own.

Classes IPC  ?

• C07K 16/28 - Immunoglobulines, p. ex. anticorps monoclonaux ou polyclonaux contre du matériel provenant d'animaux ou d'humains contre des récepteurs, des antigènes de surface cellulaire ou des déterminants de surface cellulaire
• A61K 39/00 - Préparations médicinales contenant des antigènes ou des anticorps
• A61N 5/10 - RadiothérapieTraitement aux rayons gammaTraitement par irradiation de particules
• A61P 35/00 - Agents anticancéreux

Abrégé

A nuclear fuel element for use in a nuclear reactor may include a plurality of metal fuel sheaths extending along a longitudinal fuel element axis and spaced apart from each other, the plurality of fuel sheaths comprising a first fuel sheath having an inner surface, an opposing outer surface and a hollow interior configured to receive nuclear fuel material. A carbon coating may be on the inner surface of the first fuel sheath. The carbon coating may include more than 99.0% wt of a carbon material including more than 20% wt of carbon nanotubes and less than about 0.01% wt of organic contaminants.

Classes IPC  ?

• C01B 32/159 - Nanotubes de carbone mono-paroi
• C01B 32/166 - Préparation en phase liquide
• G21C 3/07 - EnveloppesChemises caractérisées par le matériau, p. ex. alliages
• G21C 3/17 - Moyens de stockage ou de fixation de gaz dans des éléments combustibles
• G21C 3/20 - Détails de structure à l'intérieur de l'enveloppe avec revêtement sur le combustible ou sur l'intérieur de l'enveloppeDétails de structure à l'intérieur de l'enveloppe avec une intercouche non active entre l'enveloppe et le matériau actif

Abrégé

A portable system for measuring airborne radionuclides from a target environment can include a primary gas flowpath including a cartridge dock. At least a first filter cartridge may be connectable to the cartridge dock and may include a cartridge gas inlet sealingly connectable to the sample supply port, a cartridge gas outlet sealingly connectable to the exhaust port; and a cartridge flowpath extending therebetween. The cartridge can include first and second filter chambers housing first and second filters. A gamma detector apparatus may be positionable adjacent the first filter cartridge when the first filter cartridge is connected to the cartridge dock and is configured to detect radiation emitted from the first filter and to detect radiation emitted from the second filter, and to generate a sensor output signal in based on the detected radiation.

Classes IPC  ?

• G01T 7/04 - Moyens de collection pour recevoir ou conserver des échantillons à examiner par filtration
• G01T 1/36 - Mesure de la distribution spectrale des rayons X ou d'une radiation nucléaire

Abrégé

A flow-though system and method are provided for measuring radionuclides in an aqueous solution. The method includes: continuously directing a source stream of an aqueous solution into a combined stream; continuously directing a concentrate stream exiting a concentration loop into the combined stream, and wherein the concentration loop comprises a detection portion; continuously directing the combined stream into a reverse osmosis unit and separating the combined stream using the reverse osmosis unit to output the concentrate stream and a filtrate stream; continuously directing the concentrate stream exiting the reverse osmosis unit into the concentration loop to be recirculated into the combined stream upon exiting the concentration loop; and obtaining a measurement of the radionuclides at the detection portion using a spectrometer.

Classes IPC  ?

• G01T 7/04 - Moyens de collection pour recevoir ou conserver des échantillons à examiner par filtration
• G01T 1/36 - Mesure de la distribution spectrale des rayons X ou d'une radiation nucléaire
• G01T 1/12 - Dosimètres calorimétriques

Abrégé

An apparatus for and a method of analyzing a sample. A laser section may include a laser arranged to direct a laser beam in a first direction towards the sample. The laser beam ablating and ionizing at least a portion of the sample to generate ions. An ion source section may include a sample holder for holding the sample. At least one component is arranged to apply an electric field for extracting at least a portion of the ions to form an ion beam traveling in a second direction. A time-of-flight section may include a detector arranged to receive the ion beam.

Classes IPC  ?

• H01J 49/40 - Spectromètres à temps de vol
• H01J 49/00 - Spectromètres pour particules ou tubes séparateurs de particules
• H01J 49/16 - Sources d'ionsCanons à ions utilisant une ionisation de surface, p. ex. émission thermo-ionique ou photo-électrique
• H01J 49/24 - Systèmes à vide, p. ex. maintenant des pressions voulues

Abrégé

Disclosed herein are methods for producing a radium or barium target. The methods include providing an organic-aqueous electrolyte bath solution comprising radium or barium ions, exposing a deposition surface of a target substrate to the electrolyte bath solution, wherein the target substrate comprises at least one of copper and aluminum, and wherein the deposition surface comprises at least one of copper, aluminum, gold, platinum, rhodium or silver, and applying an electric potential between an anode and the target substrate for a deposition cycle time, thereby electrodepositing a layer of radium or barium containing material out of the bath solution and onto the deposition surface. Also disclosed are targets for subsequent exposure to an accelerated proton beam.

Classes IPC  ?

• H05H 6/00 - Cibles pour la production de réactions nucléaires
• C25D 3/54 - Dépôt électrochimiqueBains utilisés à partir de solutions de métaux non prévus dans les groupes
• C25D 7/00 - Dépôt électrochimique caractérisé par l'objet à revêtir

Abrégé

A hydrogen fusible link may include a first link member having a thermally conductive material, and reaction region and a bonding region. A bonding material may be in a solid state at an operating temperature and may have a melting temperature that is greater than the operating temperature. A catalyst material may coat the reaction region and may facilitate an exothermic chemical reaction when exposed to gaseous hydrogen to produce heat, wherein heat produced by the catalyst material is conducted to the bonding region via the body to heat up the bonding material. When the catalyst material is exposed to a concentration of gaseous hydrogen that is at or above an activation concentration the reaction region produces sufficient heat to raise at least some of the bonding material above the melting temperature thereby failing at least some of the bonding material.

Classes IPC  ?

• A62C 2/24 - Mécanismes de commande ou d'actionnement
• B01J 23/44 - Palladium
• B01J 23/42 - Platine
• A62C 2/14 - Coupe-feu articulés comportant au moins deux volets

Abrégé

In one aspect, a method of preconditioning stem cells comprising exposing stem cells to low dose radiation (LDR) is provided. In another aspect, a population of preconditioned stem cells is provided, wherein the population of 5 preconditioned stem cells is obtained by exposing stem cells to LDR. Uses of the preconditioned stem cells are also provided. In other aspects, the stem cells are muscle stem cells.

Classes IPC  ?

• A61K 35/545 - Cellules souches embryonnairesCellules souches pluripotentesCellules souches pluripotentes induitesCellules souches non caractérisées
• A61K 35/34 - MusclesCellules musculaires lissesCœurCellules souches cardiaquesMyoblastesMyocytesCardiomyocytes
• A61K 35/44 - VaisseauxCellules de muscles vasculaires lissesCellules endothélialesCellules progénitrices endothéliales
• A61K 41/00 - Préparations médicinales obtenues par traitement de substances par énergie ondulatoire ou par rayonnement corpusculaire

Abrégé

Methods of determining actinium-225 in a human urine sample can be used to establish the effective dose received by persons working with or otherwise exposed to this isotope. The human urine sample can be prepared to produce a pre-concentrated sample, which can include co-precipitating Ac and separating a first precipitate. At least some organic matter can be broken down in the pre- concentrated sample to produce a decomposed sample, which can include adding an oxidative agent to the pre-concentrated sample. The decomposed sample can be purified to produce a measurement sample, which can include passing the decomposed sample through a purification media and eluting actinium from the purification media.

Classes IPC  ?

• G01T 1/167 - Mesure du contenu radioactif des objets, p. ex. contamination
• G01T 7/02 - Moyens de collection pour recevoir ou conserver des échantillons à examiner

Abrégé

A non-destructive method for determining at least one of a cover depth and a cross-sectional area of at least a first ferrous rebar that is within a non-magnetic can include the steps of: a) establishing an electromagnetic circuit comprising the first ferrous rebar, a electromagnetic coupler, a first transmitter and a first receiver; b) introducing a first pulsed electromagnetic interrogation signal along the electromagnetic circuit; c) receiving a response electromagnetic signal having first magnitude that is induced in the first ferrous rebar and generating a corresponding response electrical signal; d) determining at least one of the cover depth and the cross-sectional area of the first ferrous rebar based on time information and the voltage information and generate a corresponding first output signal using a response signal processor; e) providing a first user output based on the output signal using a user output module.

Classes IPC  ?

• G01N 33/38 - BétonChauxMortierPlâtreBriquesProduits céramiquesVerre
• G01N 27/90 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant des variables magnétiques pour rechercher la présence des criques en utilisant les courants de Foucault
• G01N 17/00 - Recherche de la résistance des matériaux aux intempéries, à la corrosion ou à la lumière
• G01B 7/26 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer une profondeur
• G01B 7/12 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer des diamètres

Abrégé

A method of detecting alpha particles may include providing a layer of a scintillating slurry comprising a granular scintillating material in water onto a measurement surface of a sample; positioning the sample having the scintillating slurry within a detection chamber of detection apparatus; detecting photons produced by the granular scintillating material in the scintillating slurry when the granular scintillating material is excited by ionizing alpha radiation emitted by alpha particles within the sample using a photon detector and generating a corresponding output signal; and removing the sample and the scintillating slurry from the detection chamber.

Classes IPC  ?

• G01N 21/64 - FluorescencePhosphorescence

Abrégé

22222222, and producing at least an FT product stream that comprises synthetic hydrocarbons by reacting the hydrogen rich syngas in a Fischer-Tropsch (FT) reactor. Processes for reducing methane and soot content during production of an enhanced hydrogen rich syngas are also disclosed.

Classes IPC  ?

• C10G 2/00 - Production de mélanges liquides d'hydrocarbures de composition non définie à partir d'oxydes de carbone
• C25B 1/23 - Oxyde de carbone ou gaz de synthèse
• C25B 1/042 - Hydrogène ou oxygène par électrolyse de l'eau par électrolyse de la vapeur
• C25B 15/08 - Alimentation ou vidange des réactifs ou des électrolytesRégénération des électrolytes

Abrégé

A method for monitoring a first attribute of a target object within a non-magnetic structure using a first probe coupled to the non-magnetic structure and located proximate the target object at a first detection region, the method includes a) introducing, at the first detection region, a pulsed electromagnetic interrogation signal along the electromagnetic circuit and through the target object using a first transmitter; b) receiving, at the first detection region, a response electromagnetic signal that is induced in the target object and generating a corresponding response electrical signal comprising time information and voltage information using a first receiver; c) determining the first attribute of the target object at the first detection region; d) generating a corresponding first output signal; and e) comparing one of the first output signal and the first attribute, to a stored value for the first detection region to determine if a condition is met.

Classes IPC  ?

• G01N 27/90 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant des variables magnétiques pour rechercher la présence des criques en utilisant les courants de Foucault
• G01N 27/904 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant des variables magnétiques pour rechercher la présence des criques en utilisant les courants de Foucault avec plusieurs capteurs

Abrégé

A method of detecting a material with a high atomic number, including positioning a test object in a muon detection apparatus; gathering a set of test data; reconstructing a set of test muon tracks; identifying a set of outlier muon tracks having large scattering events; identifying an outlier spatial domain region; determining outlier region scattering density estimates; determining if the outlier region scattering density estimates are indicative of the presence of the material with the high atomic number; generating a detector notification, when the outlier region scattering density estimates are indicative of the presence of the material with the high atomic number; and providing the detector notification to a user. A system for detecting a material with a high atomic number may include a muon detection apparatus and a processing system communicatively coupled to the muon detection apparatus and including at least one processor operable to generate a detector notification.

Classes IPC  ?

• G01V 5/00 - Prospection ou détection au moyen de rayonnement ionisant, p. ex. de la radioactivité naturelle ou provoquée

Abrégé

A portable system for measuring airborne radionuclides from a target environment can include a primary gas flowpath including a cartridge dock. At least a first filter cartridge may be connectable to the cartridge dock and may include a cartridge gas inlet sealingly connectable to the sample supply port, a cartridge gas outlet sealingly connectable to the exhaust port; and a cartridge flowpath extending therebetween. The cartridge can include first and second filter chambers housing first and second filters. A gamma detector apparatus may be positionable adjacent the first filter cartridge when the first filter cartridge is connected to the cartridge dock and is configured to detect radiation emitted from the first filter and to detect radiation emitted from the second filter, and to generate a sensor output signal in based on the detected radiation.

Classes IPC  ?

• G01T 7/04 - Moyens de collection pour recevoir ou conserver des échantillons à examiner par filtration

Abrégé

An apparatus for and a method of analyzing a sample. A laser section may include a laser arranged to direct a laser beam in a first direction towards the sample. The laser beam ablating and ionizing at least a portion of the sample to generate ions. An ion source section may include a sample holder for holding the sample. At least one component is arranged to apply an electric field for extracting at least a portion of the ions to form an ion beam traveling in a second direction. A time-of-flight section may include a detector arranged to receive the ion beam.

Classes IPC  ?

• H01J 49/40 - Spectromètres à temps de vol
• H01J 49/06 - Dispositifs électronoptiques ou ionoptiques

Abrégé

A hydrogen fusible link may include a first link member having a thermally conductive material, and reaction region and a bonding region. A bonding material may be in a solid state at an operating temperature and may have a melting temperature that is greater than the operating temperature. A catalyst material may coat the reaction region and may facilitate an exothermic chemical reaction when exposed to gaseous hydrogen to produce heat, wherein heat produced by the catalyst material is conducted to the bonding region via the body to heat up the bonding material. When the catalyst material is exposed to a concentration of gaseous hydrogen that is at or above an activation concentration the reaction region produces sufficient heat to raise at least some of the bonding material above the melting temperature thereby failing at least some of the bonding material.

Classes IPC  ?

• F16B 1/00 - Dispositifs pour assembler des éléments structuraux ou parties de machines ou bien pour empêcher tout mouvement relatif entre eux
• A62C 37/10 - Moyens de déchargement, p. ex. déchargés électriquement
• B01J 23/42 - Platine
• B01J 23/44 - Palladium
• C09K 3/00 - Substances non couvertes ailleurs
• F16K 31/00 - Moyens de fonctionnementDispositifs de retour à la position de repos

Abrégé

A non-destructive method for determining at least one of a cover depth and a cross-sectional area of at least a first ferrous rebar that is within a non-magnetic can include the steps of: a) establishing an electromagnetic circuit comprising the first ferrous rebar, a electromagnetic coupler, a first transmitter and a first receiver; b) introducing a first pulsed electromagnetic interrogation signal along the electromagnetic circuit; c) receiving a response electromagnetic signal having first magnitude that is induced in the first ferrous rebar and generating a corresponding response electrical signal; d) determining at least one of the cover depth and the cross-sectional area of the first ferrous rebar based on time information and the voltage information and generate a corresponding first output signal using a response signal processor; e) providing a first user output based on the output signal using a user output module.

Classes IPC  ?

• G01B 7/26 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer une profondeur
• G01B 7/32 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer des superficies
• G01N 27/72 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant des variables magnétiques

Abrégé

A method of detecting a material with a high atomic number, including positioning a test object in a muon detection apparatus; gathering a set of test data; reconstructing a set of test muon tracks; identifying a set of outlier muon tracks having large scattering events; identifying an outlier spatial domain region; determining outlier region scattering density estimates; determining if the outlier region scattering density estimates are indicative of the presence of the material with the high atomic number; generating a detector notification, when the outlier region scattering density estimates are indicative of the presence of the material with the high atomic number; and providing the detector notification to a user. A system for detecting a material with a high atomic number may include a muon detection apparatus and a processing system communicatively coupled to the muon detection apparatus and including at least one processor operable to generate a detector notification.

Classes IPC  ?

• G01N 23/20 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en utilisant la diffraction de la radiation par les matériaux, p. ex. pour rechercher la structure cristallineRecherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en utilisant la diffusion de la radiation par les matériaux, p. ex. pour rechercher les matériaux non cristallinsRecherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en utilisant la réflexion de la radiation par les matériaux

Abrégé

A nuclear fuel element for use in a nuclear reactor may include a plurality of metal fuel sheaths extending along a longitudinal fuel element axis and spaced apart from each other, the plurality of fuel sheaths comprising a first fuel sheath having an inner surface, an opposing outer surface and a hollow interior configured to receive nuclear fuel material. A carbon coating may be on the inner surface of the first fuel sheath. The carbon coating may include more than 99.0% wt of a carbon material including more than 20% wt of carbon nanotubes and less than about 0.01% wt of organic contaminants.

Classes IPC  ?

• B32B 9/00 - Produits stratifiés composés essentiellement d'une substance particulière non couverte par les groupes
• C01B 32/159 - Nanotubes de carbone mono-paroi
• C01B 32/166 - Préparation en phase liquide
• G21C 3/07 - EnveloppesChemises caractérisées par le matériau, p. ex. alliages
• G21C 3/17 - Moyens de stockage ou de fixation de gaz dans des éléments combustibles
• G21C 3/20 - Détails de structure à l'intérieur de l'enveloppe avec revêtement sur le combustible ou sur l'intérieur de l'enveloppeDétails de structure à l'intérieur de l'enveloppe avec une intercouche non active entre l'enveloppe et le matériau actif

Abrégé

A method of determining a distance to a discontinuity within an object may include the steps of: a) generating a continuous, frequency modulated input signal having a predetermined frequency range and a frequency ramping speed using a signal generator and splitting the input signal into at least a test signal and a reference signal; b) generating an input sound wave based on the test signal and continuously introducing the input sound wave into the object using a transmitter and simultaneously receiving a reflected sound wave reflected by a discontinuity within the object and generating a corresponding return signal using a receiver; c) determining a frequency difference value based on a comparison of the reference signal and the return signal using a controller; and d) automatically determining a distance from the transmitter to the discontinuity within the object based on at least the frequency difference value and the frequency ramping speed.

Classes IPC  ?

• G01S 13/32 - Systèmes pour mesurer la distance uniquement utilisant la transmission d'ondes continues, soit modulées en amplitude, en fréquence ou en phase, soit non modulées
• G01N 29/04 - Analyse de solides
• G01N 29/34 - Génération des ondes ultrasonores, sonores ou infrasonores
• G01N 33/2045 - Défauts

Abrégé

A method of detecting alpha particles may include providing a layer of a scintillating slurry comprising a granular scintillating material in water onto a measurement surface of a sample; positioning the sample having the scintillating slurry within a detection chamber of detection apparatus; detecting photons produced by the granular scintillating material in the scintillating slurry when the granular scintillating material is excited by ionizing alpha radiation emitted by alpha particles within the sample using a photon detector and generating a corresponding output signal; and removing the sample and the scintillating slurry from the detection chamber.

Classes IPC  ?

• G01T 1/204 - Mesure de l'intensité de radiation avec des détecteurs à scintillation le détecteur étant un liquide

Abrégé

A system for monitoring fissile material contents inside of a nuclear reactor can include at least a first neutron detector positioned outside a radiation shield and configured to detect a plurality of neutrons originating from the reactor core and having passed through the radiation shield, and configured to generate a first output signal, and a controller communicably linked to the first neutron detector to receive the first output signal and a power output of the nuclear reactor.

Classes IPC  ?

• G21C 17/07 - Tests d'étanchéité
• G21C 17/108 - Mesure du flux
• G21C 17/10 - Combinaison structurelle de l'élément combustible, de la barre de commande, du cœur du réacteur, ou de la structure du modérateur avec des instruments sensibles, p. ex. pour la mesure de la radioactivité, des contraintes
• G01T 3/00 - Mesure de flux de neutrons

Abrégé

The present invention relates to a method to improve the anti-tumour effects of immune checkpoint therapy by combining the use of a checkpoint inhibitor with ultralow dose whole body irradiation. The present invention enhances the anti-tumour effects of immune checkpoint therapy by reducing tumour volume as well as shortening the response time of the immune checkpoint therapy, as compared to immune checkpoint therapy on its own.

Classes IPC  ?

• C07K 16/28 - Immunoglobulines, p. ex. anticorps monoclonaux ou polyclonaux contre du matériel provenant d'animaux ou d'humains contre des récepteurs, des antigènes de surface cellulaire ou des déterminants de surface cellulaire
• A61N 5/10 - RadiothérapieTraitement aux rayons gammaTraitement par irradiation de particules
• A61P 35/00 - Agents anticancéreux

Abrégé

A hydrogen storage assembly includes at least one wafer formed of a substrate material that produces metal hydride when exposed to a hydrogen-rich carrier fluid. The wafer can be supported by a housing and arranged so that the hydrogen-rich carrier fluid can flow over a reaction surface of the wafer. At least one heating element can be arranged to transfer heat to the wafer to attain an operating temperature suitable for hydrogen charging on the reaction surface. A de-activation material may be provided on the reaction surface for inhibiting formation of surface oxide that impedes hydrogen absorption during charging and hydrogen desorption during discharging. The at least one wafer can include a plurality of monolithic plate wafers spaced apart about a central axis of the assembly. The at least one wafer can include a plurality of monolithic disc wafers in at least one stacked arrangement.

Classes IPC  ?

• C01B 6/04 - Hydrures des métaux alcalins, des métaux alcalino-terreux, du béryllium ou du magnésiumLeurs complexes d'addition
• F17C 11/00 - Utilisation de solvants ou d'absorbants des gaz dans les récipients
• C01B 3/00 - HydrogèneMélanges gazeux contenant de l'hydrogèneSéparation de l'hydrogène à partir de mélanges en contenantPurification de l'hydrogène

Abrégé

A method of removing hydrogen interstitially dissolved within an object can include: positioning a sorption pad having a contact surface and comprising a sorptive material; urging the contact surface into metallurgical contact with the first target surface while at a treatment temperature that is greater than about 200 degrees Celsius; c) maintaining the metallurgical contact for a treatment period during which the hydrogen migrates from the target object to the sorptive material; and at the conclusion of the treatment period, separating the contact surface from the first target surface and moving the sorption pad and any hydrogen sequestered therein away from the object.

Classes IPC  ?

• C22B 9/14 - Affinage à l'état solide
• B01D 15/08 - Adsorption sélective, p. ex. chromatographie
• C01B 3/00 - HydrogèneMélanges gazeux contenant de l'hydrogèneSéparation de l'hydrogène à partir de mélanges en contenantPurification de l'hydrogène
• C01G 25/00 - Composés du zirconium
• G21C 17/017 - Inspection ou maintenance de tuyaux ou de tubes dans des installations nucléaires

Abrégé

The present disclosure relates to a radiation detection vehicle with a directional radiation detection system. The radiation detection vehicle may include a body, a motor supported by the body and configured to propel the vehicle, at least a first power source connectable to the body and configured to provide power to the vehicle, and a directional radiation detection system supported by the body. The directional radiation detection system may include a radiation detector configured to detect incident radiation and a directional shielding assembly configured to partially shield the radiation detector by preventing a portion of the incident radiation originating from a first incident direction from reaching the radiation detector, the directional shielding assembly including the first power source.

Classes IPC  ?

• G01T 7/00 - Détails des instruments de mesure des radiations
• B60R 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
• B64C 39/02 - Aéronefs non prévus ailleurs caractérisés par un emploi spécial
• G01T 1/20 - Mesure de l'intensité de radiation avec des détecteurs à scintillation

Abrégé

In one aspect, a method of preconditioning stem cells comprising exposing stem cells to low dose radiation (LDR) is provided. In another aspect, a population of preconditioned stem cells is provided, wherein the population of 5 preconditioned stem cells is obtained by exposing stem cells to LDR. Uses of the preconditioned stem cells are also provided. In other aspects, the stem cells are muscle stem cells.

Classes IPC  ?

• A61K 35/545 - Cellules souches embryonnairesCellules souches pluripotentesCellules souches pluripotentes induitesCellules souches non caractérisées
• A61K 35/34 - MusclesCellules musculaires lissesCœurCellules souches cardiaquesMyoblastesMyocytesCardiomyocytes
• A61K 35/44 - VaisseauxCellules de muscles vasculaires lissesCellules endothélialesCellules progénitrices endothéliales
• A61K 41/00 - Préparations médicinales obtenues par traitement de substances par énergie ondulatoire ou par rayonnement corpusculaire
• A61P 21/00 - Médicaments pour le traitement des troubles du système musculaire ou neuromusculaire

Abrégé

An article formed of a metal alloy is covered at least partially with a metal hydride and a shell metal to form an assembly. Load is applied to the assembly and the assembly is heated. The shell metal deforms around the article and the metal hydride and forms a gas proof seal. The metal hydride thermally decomposes to form hydrogen gas. At least a portion of the hydrogen gas dissociates and moves as monoatomic hydrogen into the article. The metal alloy can be a zirconium metal alloy, the metal hydride can be a zirconium metal hydride, and the shell metal can be substantially copper.

Classes IPC  ?

• C23C 8/62 - Traitement par un seul élément
• C21D 9/08 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour corps tubulaires ou tuyaux
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 27/00 - Alliages à base de rhénium ou d'un métal réfractaire non mentionné dans les groupes ou
• C23C 8/08 - Traitement par un seul élément
• C23C 8/80 - Post-traitement

Abrégé

A method of determining a distance to a discontinuity within an object may include the steps of: a) generating a continuous, frequency modulated input signal having a predetermined frequency range and a frequency ramping speed using a signal generator and splitting the input signal into at least a test signal and a reference signal; b) generating an input sound wave based on the test signal and continuously introducing the input sound wave into the object using a transmitter and simultaneously receiving a reflected sound wave reflected by a discontinuity within the object and generating a corresponding return signal using a receiver; c) determining a frequency difference value based on a comparison of the reference signal and the return signal using a controller; and d) automatically determining a distance from the transmitter to the discontinuity within the object based on at least the frequency difference value and the frequency ramping speed.

Classes IPC  ?

• G01S 15/32 - Systèmes pour mesurer la distance uniquement utilisant la transmission d'ondes continues, soit modulées en amplitude, en fréquence ou en phase, soit non modulées
• G01N 29/46 - Traitement du signal de réponse détecté par analyse spectrale, p. ex. par analyse de Fourier
• G01S 15/88 - Systèmes sonar, spécialement adaptés à des applications spécifiques

Abrégé

The present invention relates to a method to improve the anti-tumour effects of immune checkpoint therapy by combining the use of a checkpoint inhibitor with ultralow dose whole body irradiation. The present invention enhances the anti-tumour effects of immune checkpoint therapy by reducing tumour volume as well as shortening the response time of the immune checkpoint therapy, as compared to immune checkpoint therapy on its own.

Classes IPC  ?

• A61K 39/395 - AnticorpsImmunoglobulinesImmunsérum, p. ex. sérum antilymphocitaire
• A61N 5/10 - RadiothérapieTraitement aux rayons gammaTraitement par irradiation de particules
• A61P 35/00 - Agents anticancéreux
• C07K 16/28 - Immunoglobulines, p. ex. anticorps monoclonaux ou polyclonaux contre du matériel provenant d'animaux ou d'humains contre des récepteurs, des antigènes de surface cellulaire ou des déterminants de surface cellulaire

Abrégé

A system for monitoring ionizing radiation in a target area, the system may include a first plurality of consumable nodes deployable within the target area to be exposed to the ionizing radiation. Each consumable node may be progressively damageable over a monitoring time as a result of exposure to the ionizing radiation. A base station may be operable to detect an amount of radiation damage sustained by the consumable nodes and to determine a dosage of ionizing radiation received by any one of the consumable nodes based on a pre-determined correlation between the dosage of ionizing radiation and the amount of radiation damage sustained by the consumable node.

Classes IPC  ?

• G01T 1/36 - Mesure de la distribution spectrale des rayons X ou d'une radiation nucléaire
• G01T 1/02 - Dosimètres
• G01T 7/02 - Moyens de collection pour recevoir ou conserver des échantillons à examiner
• H04W 24/10 - Planification des comptes-rendus de mesures
• H04W 84/18 - Réseaux auto-organisés, p. ex. réseaux ad hoc ou réseaux de détection

Abrégé

An apparatus for use in making localized passive measurements of electromagnetic radiation emitted from an object located in a radioactive environment includes a hollow elongate conduit having a first end, a second end, and a reflective inner surface. The first end of the conduit is positionable in the radioactive environment proximate the object, and the second end of the conduit is positionable outside the radioactive environment. The conduit has at least one bend between the first end and the second end, such that light entering the first end of the conduit is reflected by the inner surface of the conduit at least once as it travels through the conduit before reaching the second end. A detector in optical communication with the second end of the conduit is configured to detect electromagnetic radiation that reaches the second end.

Classes IPC  ?

• G01T 1/22 - Mesure de l'intensité de radiation avec des détecteurs Cerenkov
• G08C 23/04 - Systèmes de transmission de signaux non électriques, p. ex. systèmes optiques utilisant des ondes lumineuses, p. ex. infrarouges
• G01T 1/20 - Mesure de l'intensité de radiation avec des détecteurs à scintillation
• G01D 21/00 - Mesures ou tests non prévus ailleurs
• G01T 1/178 - Dispositions de circuits non adaptés à un type particulier de détecteur pour la mesure d'une activité spécifique en présence d'autres substances radioactives, p. ex. des substances naturelles, présentes dans l'air ou dans des liquides tels que l'eau de pluie
• G01T 1/204 - Mesure de l'intensité de radiation avec des détecteurs à scintillation le détecteur étant un liquide
• G01T 1/208 - Circuits spécialement adaptés aux détecteurs à scintillation, p. ex. à l'élément photomultiplicateur
• G21C 17/108 - Mesure du flux

Abrégé

A nuclear fuel element for use in a nuclear reactor may include a plurality of metal fuel sheaths extending along a longitudinal fuel element axis and spaced apart from each other, the plurality of fuel sheaths comprising a first fuel sheath having an inner surface, an opposing outer surface and a hollow interior configured to receive nuclear fuel material. A carbon coating may be on the inner surface of the first fuel sheath. The carbon coating may include more than 99.0%wt of a carbon material including more than 20%wt of carbon nanotubes and less than about 0.01 %wt of organic contaminants.

Classes IPC  ?

• C01B 32/174 - DérivatisationSolubilisation dans les solvantsDispersion dans les solvants
• C01B 32/15 - Matières carbonées nanométriques
• C01B 32/158 - Nanotubes de carbone
• C01B 32/159 - Nanotubes de carbone mono-paroi
• G21C 3/20 - Détails de structure à l'intérieur de l'enveloppe avec revêtement sur le combustible ou sur l'intérieur de l'enveloppeDétails de structure à l'intérieur de l'enveloppe avec une intercouche non active entre l'enveloppe et le matériau actif

Abrégé

An apparatus for adhering a filament to a surface can include a body having a filament inlet port, at least a first filament outlet port spaced apart from the filament inlet port, and at least a first filament travel path extending between the filament inlet port and the first filament outlet port. A reservoir chamber can form a portion of the first filament travel path between the filament inlet port and the first filament outlet port and can contain a viscous adhesive material. Imparting relative axial movement between the body and a first filament can urge the first filament along the first filament travel path and through the reservoir chamber so that the first filament is coated with the viscous adhesive material when exiting via the first filament outlet port, for adhesion to the surface.

Classes IPC  ?

• G02B 6/46 - Procédés ou appareils adaptés à l'installation de fibres optiques ou de câbles optiques
• G01D 11/00 - Parties constitutives des dispositions pour la mesure qui ne sont pas spécialement adaptées à une variable particulière
• G01D 5/26 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens optiques, c.-à-d. utilisant de la lumière infrarouge, visible ou ultraviolette

Abrégé

A method for assaying a wall of a pressure tube for a nuclear reactor is disclosed. The wall has a matrix material and deuterium nuclei in the matrix material. The method includes: (a) transmitting gamma rays into the matrix material to induce photodisintegration of at least some of the deuterium nuclei, whereby reaction particles of the nuclei are emitted from the wall; (b) detecting at least some of the reaction particles emitted in step (a) using a particle detector; and (c) generating particle signals in response to detecting the particles in step (b).

Classes IPC  ?

• G21C 17/017 - Inspection ou maintenance de tuyaux ou de tubes dans des installations nucléaires
• G01N 23/221 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en mesurant l'émission secondaire de matériaux utilisant l'analyse par activation
• G01N 23/00 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou
• G01N 23/22 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en mesurant l'émission secondaire de matériaux
• G21G 4/04 - Sources radioactives autres que les sources de neutrons
• H05G 2/00 - Appareils ou procédés spécialement adaptés à la production de rayons X, n'utilisant pas de tubes à rayons X, p. ex. utilisant la génération d'un plasma

Abrégé

A surface treating apparatus for treating an inner surface of a bore containing a shaft may include a body connectable to a drive apparatus and configured to movably receive a shaft extending through a bore, and at least one surface treating member connected to and movable with the body relative to the shaft, the at least one surface treating member sized to be inserted within an annular gap formed between the shaft and an inner surface of the bore and to bear against the inner surface of the bore when the shaft is received by the body.

Classes IPC  ?

• B24B 33/02 - Machines ou dispositifs de finissageAccessoires à cet effet pour travailler intérieurement des surfaces de révolution, p. ex. de forme cylindrique ou conique
• B24B 33/08 - Outils de finissage

Abrégé

In one aspect, a method of preconditioning stem cells comprising exposing stem cells to low dose radiation (LDR) is provided. In another aspect, a population of preconditioned stem cells is provided, wherein the population of 5 preconditioned stem cells is obtained by exposing stem cells to LDR. Uses of the preconditioned stem cells are also provided. In other aspects, the stem cells are muscle stem cells.

Classes IPC  ?

• C12N 5/074 - Cellules souches adultes
• A61K 35/34 - MusclesCellules musculaires lissesCœurCellules souches cardiaquesMyoblastesMyocytesCardiomyocytes
• A61K 35/44 - VaisseauxCellules de muscles vasculaires lissesCellules endothélialesCellules progénitrices endothéliales
• A61K 35/545 - Cellules souches embryonnairesCellules souches pluripotentesCellules souches pluripotentes induitesCellules souches non caractérisées
• A61K 41/00 - Préparations médicinales obtenues par traitement de substances par énergie ondulatoire ou par rayonnement corpusculaire
• A61P 21/00 - Médicaments pour le traitement des troubles du système musculaire ou neuromusculaire
• C12N 15/01 - Préparation de mutants sans introduction de matériel génétique étrangerProcédés de criblage à cet effet

Abrégé

An article formed of a metal alloy is covered at least partially with a metal hydride and a shell metal to form an assembly. Load is applied to the assembly and the assembly is heated. The shell metal deforms around the article and the metal hydride and forms a gas proof seal. The metal hydride thermally decomposes to form hydrogen gas. At least a portion of the hydrogen gas dissociates and moves as monoatomic hydrogen into the article. The metal alloy can be a zirconium metal alloy, the metal hydride can be a zirconium metal hydride, and the shell metal can be substantially copper.

Classes IPC  ?

• C23C 8/08 - Traitement par un seul élément
• C01B 3/04 - Production d'hydrogène ou de mélanges gazeux contenant de l'hydrogène par décomposition de composés inorganiques, p. ex. de l'ammoniac
• C22C 16/00 - Alliages à base de zirconium
• C23C 8/06 - Diffusion à l'état solide uniquement d'éléments non métalliques dans la couche superficielle de matériaux métalliquesTraitement chimique de surface par réaction entre le matériau métallique de la surface et un gaz réactif, laissant dans le revêtement des produits de la réaction, p. ex. revêtement de conversion, passivation des métaux au moyen de gaz
• G21C 17/00 - SurveillanceTests

Abrégé

A hydrogen storage assembly includes at least one wafer formed of a substrate material that produces metal hydride when exposed to a hydrogen-rich carrier fluid. The wafer can be supported by a housing and arranged so that the hydrogen-rich carrier fluid can flow over a reaction surface of the wafer. At least one heating element can be arranged to transfer heat to the wafer to attain an operating temperature suitable for hydrogen charging on the reaction surface. A de-activation material may be provided on the reaction surface for inhibiting formation of surface oxide that impedes hydrogen absorption during charging and hydrogen desorption during discharging. The at least one wafer can include a plurality of monolithic plate wafers spaced apart about a central axis of the assembly. The at least one wafer can include a plurality of monolithic disc wafers in at least one stacked arrangement.

Classes IPC  ?

• C01B 3/00 - HydrogèneMélanges gazeux contenant de l'hydrogèneSéparation de l'hydrogène à partir de mélanges en contenantPurification de l'hydrogène
• F17C 11/00 - Utilisation de solvants ou d'absorbants des gaz dans les récipients
• C01B 6/04 - Hydrures des métaux alcalins, des métaux alcalino-terreux, du béryllium ou du magnésiumLeurs complexes d'addition

Abrégé

A system for monitoring fissile material contents inside of a nuclear reactor can include at least a first neutron detector positioned outside a radiation shield and configured to detect a plurality of neutrons originating from the reactor core and having passed through the radiation shield, and configured to generate a first output signal, and a controller communicably linked to the first neutron detector to receive the first output signal and a power output of the nuclear reactor.

Classes IPC  ?

• G21C 17/07 - Tests d'étanchéité
• G21C 17/108 - Mesure du flux
• G21C 17/10 - Combinaison structurelle de l'élément combustible, de la barre de commande, du cœur du réacteur, ou de la structure du modérateur avec des instruments sensibles, p. ex. pour la mesure de la radioactivité, des contraintes
• G01T 3/00 - Mesure de flux de neutrons

Abrégé

A method of preparing magnetite particles may include providing a first solution of substantially ferrous sulphate. The first solution may be converted by replacing sulphate ions with chloride ions to produce a second solution of substantially ferrous chloride. The second solution may be oxidized to produce a third solution of substantially iron oxide. A system for purifying a solution of substantially iron oxide may include a solution reservoir, at least one membrane unit, and at least one pump for circulating the solution between the solution reservoir and the membrane unit. The solution may be delivered from the solution reservoir to an inlet of the membrane unit, and/or the solution may be returned from an outlet of the membrane unit to the solution reservoir.

Classes IPC  ?

• C01G 49/00 - Composés du fer
• C01G 49/08 - Oxyde ferrosoferrique [Fe3O4]
• G21H 5/02 - Applications du rayonnement des sources radioactives ou dispositions à cet effet, non prévues ailleurs comme traceurs
• G21G 1/00 - Dispositions pour la conversion des éléments chimiques par rayonnement électromagnétique, radiations corpusculaires ou bombardement par des particules, p. ex. production d'isotopes radioactifs

Abrégé

A fuel assembly for a pressure-tube nuclear reactor includes a fuel channel assembly. The fuel channel assembly has an outer conduit and an inner conduit received within the outer conduit. The conduits define an annular fuel bundle chamber for receiving a flow of a coolant in one direction. The inner conduit includes a central flow passage for receiving a flow of the coolant in an opposite direction. A fuel bundle positioned within the fuel bundle chamber consists of fuel elements arranged to form an inner ring surrounding the inner conduit, and an outer ring surrounding the inner ring. The coolant may be light water, and geometries of the fuel assembly may be selected so moderation by the volume of coolant promotes generally uniform power distribution in the fuel elements.

Classes IPC  ?

• G21C 3/328 - Disposition relative des éléments dans le réseau
• G21C 3/322 - Moyens pour influencer l'écoulement du réfrigérant à travers ou autour des faisceaux
• G21C 1/20 - Réacteurs hétérogènes, c.-à-d. dans lesquels le combustible et le modérateur sont séparés le modérateur n'étant pas substantiellement pressurisé, p. ex. réacteur à pile piscine le modérateur et le réfrigérant étant différents ou séparés, p. ex. réacteur sodium-graphite le réfrigérant étant pressurisé le modérateur étant liquide, p. ex. réacteur à tubes de force
• G21C 15/06 - Aménagement ou disposition de passages dans lesquels la chaleur est transférée au réfrigérant, p. ex. pour la circulation du réfrigérant à travers les supports des éléments combustibles provenant du matériau fissile ou surrégénérateur dans les éléments combustibles
• G21C 3/324 - Chemisages ou enveloppes pour les faisceaux
• G21C 5/12 - Structure du modérateur ou du cœurEmploi de matériaux spécifiés comme modérateur caractérisée par la composition, p. ex. le modérateur contenant des substances additionnelles qui assurent une meilleure résistance du modérateur

Abrégé

A portable detection apparatus can include a housing, a first detector for detecting ionizing radiation from a first subject and a second detector within the housing for the detecting the background radiation. A shield within the housing can surround the first and second detectors and define a shield aperture around the first and second detectors for radiation from the subject to enter the housing. A radiation blocking member can substantially block at least a portion of the ionizing radiation from reaching the second detector, whereby radiation detected by the second detector comprises substantially only the background radiation. A processor module can be connected to the first and second detectors for determining the amount of ionizing radiation detected by the first detector attributable to secondary radiation.

Classes IPC  ?

• G01T 1/20 - Mesure de l'intensité de radiation avec des détecteurs à scintillation
• G01T 7/00 - Détails des instruments de mesure des radiations
• G01T 1/167 - Mesure du contenu radioactif des objets, p. ex. contamination
• G01T 1/202 - Mesure de l'intensité de radiation avec des détecteurs à scintillation le détecteur étant du cristal
• G01T 7/12 - Dispositions pour actionner un signal d'alarme

Abrégé

A system for monitoring ionizing radiation in a target area, the system may include a first plurality of consumable nodes deployable within the target area to be exposed to the ionizing radiation. Each consumable node may be progressively damageable over a monitoring time as a result of exposure to the ionizing radiation. A base station may be operable to detect an amount of radiation damage sustained by the consumable nodes and to determine a dosage of ionizing radiation received by any one of the consumable nodes based on a pre- determined correlation between the dosage of ionizing radiation and the amount of radiation damage sustained by the consumable node.

Classes IPC  ?

• G01T 1/02 - Dosimètres
• H01L 23/552 - Protection contre les radiations, p. ex. la lumière
• H04W 84/18 - Réseaux auto-organisés, p. ex. réseaux ad hoc ou réseaux de détection

Abrégé

A packing assembly for a valve includes a first segment having at least one first guiding surface, and a second segment having at least one second guiding surface in engagement with at least a portion of the at least one first guiding surface. A shape-memory member couples the first and second segments. The shape-memory member may be formed of a material that is responsive to changes in temperature, so that, in response to a change in temperature, the shape-memory member may cause relative movement of the first and second segments in a first direction. In response to the movement, the first and second guiding surfaces may cause relative displacement of the first and second segments in a second direction.

Classes IPC  ?

• F16J 15/18 - Joints d'étanchéité entre deux surfaces mobiles l'une par rapport à l'autre par presse-étoupes pour garnitures élastiques ou plastiques
• F16J 15/16 - Joints d'étanchéité entre deux surfaces mobiles l'une par rapport à l'autre
• F16K 41/04 - Joints d'étanchéité pour tiges avec un presse-étoupe avec une bague au moins, en caoutchouc ou d'un matériau analogue, entre la tige et son logement
• F16K 3/24 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation en forme de surfaces de solides de révolution avec corps de tiroir cylindrique

Abrégé

An apparatus for use in making localized passive measurements of electromagnetic radiation emitted from an object located in a radioactive environment includes a hollow elongate conduit having a first end, a second end, and a reflective inner surface. The first end of the conduit is positionable in the radioactive environment proximate the object, and the second end of the conduit is positionable outside the radioactive environment. The conduit has at least one bend between the first end and the second end, such that light entering the first end of the conduit is reflected by the inner surface of the conduit at least once as it travels through the conduit before reaching the second end. A detector in optical communication with the second end of the conduit is configured to detect electromagnetic radiation that reaches the second end.

Classes IPC  ?

• G01T 1/22 - Mesure de l'intensité de radiation avec des détecteurs Cerenkov
• G01D 5/12 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques
• G01T 1/20 - Mesure de l'intensité de radiation avec des détecteurs à scintillation
• G01T 1/204 - Mesure de l'intensité de radiation avec des détecteurs à scintillation le détecteur étant un liquide
• G08C 23/00 - Systèmes de transmission de signaux non électriques, p. ex. systèmes optiques

Abrégé

An apparatus for adhering a filament to a surface can include a body having a filament inlet port, at least a first filament outlet port spaced apart from the filament inlet port, and at least a first filament travel path extending between the filament inlet port and the first filament outlet port. A reservoir chamber can form a portion of the first filament travel path between the filament inlet port and the first filament outlet port and can contain a viscous adhesive material. Imparting relative axial movement between the body and a first filament can urge the first filament along the first filament travel path and through the reservoir chamber so that the first filament is coated with the viscous adhesive material when exiting via the first filament outlet port, for adhesion to the surface.

Classes IPC  ?

• G02B 6/46 - Procédés ou appareils adaptés à l'installation de fibres optiques ou de câbles optiques
• C09J 5/00 - Procédés de collage en généralProcédés de collage non prévus ailleurs, p. ex. relatifs aux amorces
• G01D 11/00 - Parties constitutives des dispositions pour la mesure qui ne sont pas spécialement adaptées à une variable particulière

Abrégé

A nuclear reactor can include a pressure vessel for containing a pressurized moderator at a first pressure. The nuclear reactor can also include a plurality of fuel channels for a coolant fluid at a second pressure. The plurality of fuel channels are fluidly connected at inlet ends thereof to a coolant supply conduit and are adapted to receive nuclear fuel bundles and to be mounted within the pressure vessel and surrounded by the moderator. The outlet ends of the fuel channels are fluidly connected to a coolant outlet conduit to enable the coolant fluid to circulate from the coolant supply conduit through the fuel channels to the coolant outlet conduit. The plurality of fuel channels maintain separation between the coolant fluid circulating within the fuel channels and the moderator.

Classes IPC  ?

• G21C 1/20 - Réacteurs hétérogènes, c.-à-d. dans lesquels le combustible et le modérateur sont séparés le modérateur n'étant pas substantiellement pressurisé, p. ex. réacteur à pile piscine le modérateur et le réfrigérant étant différents ou séparés, p. ex. réacteur sodium-graphite le réfrigérant étant pressurisé le modérateur étant liquide, p. ex. réacteur à tubes de force
• G21C 1/10 - Réacteurs hétérogènes, c.-à-d. dans lesquels le combustible et le modérateur sont séparés le modérateur étant hautement pressurisé, p. ex. réacteur à eau bouillante, réacteur à surchauffe intégrale, réacteur à eau pressurisée le modérateur et le réfrigérant étant différents ou séparés
• G21C 5/02 - Structure du modérateur ou du cœurEmploi de matériaux spécifiés comme modérateur Détails
• G21C 19/19 - Parties de réacteurs spécifiquement adaptées pour faciliter la manipulation, p. ex. pour faciliter le chargement ou le déchargement des éléments combustibles
• G21C 1/08 - Réacteurs hétérogènes, c.-à-d. dans lesquels le combustible et le modérateur sont séparés le modérateur étant hautement pressurisé, p. ex. réacteur à eau bouillante, réacteur à surchauffe intégrale, réacteur à eau pressurisée
• G21C 15/08 - Aménagement ou disposition de passages dans lesquels la chaleur est transférée au réfrigérant, p. ex. pour la circulation du réfrigérant à travers les supports des éléments combustibles provenant du matériau modérateur
• G21C 15/20 - Compartiments ou isolement thermique entre le canal d'enfournement et le modérateur, p. ex. dans des réacteurs à tubes de force
• G21C 19/14 - Dispositions pour le traitement, pour la manipulation, ou pour faciliter la manipulation, du combustible ou d'autres matériaux utilisés à l'intérieur du réacteur, p. ex. à l'intérieur de l'enceinte sous pression caractérisés par leur adaptation pour emploi avec des canaux horizontaux dans le cœur du réacteur
• G21C 15/02 - Aménagement ou disposition de passages dans lesquels la chaleur est transférée au réfrigérant, p. ex. pour la circulation du réfrigérant à travers les supports des éléments combustibles

Abrégé

A surface treating apparatus for treating an inner surface of a bore containing a shaft may include a body connectable to a drive apparatus and configured to movably receive a shaft extending through a bore, and at least one surface treating member connected to and movable with the body relative to the shaft, the at least one surface treating member sized to be inserted within an annular gap formed between the shaft and an inner surface of the bore and to bear against the inner surface of the bore when the shaft is received by the body.

Classes IPC  ?

• B24B 33/02 - Machines ou dispositifs de finissageAccessoires à cet effet pour travailler intérieurement des surfaces de révolution, p. ex. de forme cylindrique ou conique
• B24B 33/08 - Outils de finissage

Abrégé

A hydrogen storage assembly includes at least one wafer formed of a substrate material that produces metal hydride when exposed to a hydrogen-rich carrier fluid. The wafer can be supported by a housing and arranged so that the hydrogen-rich carrier fluid can flow over a reaction surface of the wafer. At least one heating element can be arranged to transfer heat to the wafer to attain an operating temperature suitable for hydrogen charging on the reaction surface. A de-activation material may be provided on the reaction surface for inhibiting formation of surface oxide that impedes hydrogen absorption during charging and hydrogen desorption during discharging. The at least one wafer can include a plurality of monolithic plate wafers spaced apart about a central axis of the assembly. The at least one wafer can include a plurality of monolithic disc wafers in at least one stacked arrangement.

Classes IPC  ?

• C01B 3/00 - HydrogèneMélanges gazeux contenant de l'hydrogèneSéparation de l'hydrogène à partir de mélanges en contenantPurification de l'hydrogène
• B01J 20/02 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique
• C01B 6/00 - Hydrures de métauxMonoborane ou diboraneLeurs complexes d'addition
• C01B 3/56 - Séparation de l'hydrogène ou des gaz contenant de l'hydrogène à partir de mélanges gazeux, p. ex. purification par contact avec des solidesRégénération des solides usés

Abrégé

A method of preparing magnetite particles may include providing a first solution of substantially ferrous sulphate. The first solution may be converted by replacing sulphate ions with chloride ions to produce a second solution of substantially ferrous chloride. The second solution may be oxidized to produce a third solution of substantially iron oxide. A system for purifying a solution of substantially iron oxide may include a solution reservoir, at least one membrane unit, and at least one pump for circulating the solution between the solution reservoir and the membrane unit. The solution may be delivered from the solution reservoir to an inlet of the membrane unit, and/or the solution may be returned from an outlet of the membrane unit to the solution reservoir.

Classes IPC  ?

• C01G 49/08 - Oxyde ferrosoferrique [Fe3O4]

Abrégé

A portable detection apparatus can include a housing, a first detector for detecting ionizing radiation from a first subject and a second detector within the housing for the detecting the background radiation. A shield within the housing can surround the first and second detectors and define a shield aperture around the first and second detectors for radiation from the subject to enter the housing. A radiation blocking member can substantially block at least a portion of the ionizing radiation from reaching the second detector, whereby radiation detected by the second detector comprises substantially only the background radiation. A processor module can be connected to the first and second detectors for determining the amount of ionizing radiation detected by the first detector attributable to secondary radiation.

Classes IPC  ?

• G01T 1/20 - Mesure de l'intensité de radiation avec des détecteurs à scintillation
• G01T 1/167 - Mesure du contenu radioactif des objets, p. ex. contamination
• G01T 1/202 - Mesure de l'intensité de radiation avec des détecteurs à scintillation le détecteur étant du cristal
• G01T 7/00 - Détails des instruments de mesure des radiations
• G01T 7/12 - Dispositions pour actionner un signal d'alarme

Abrégé

A conduit can include a sidewall and at least a first cavity can be disposed in the sidewall. The first cavity may include a first base surface portion and an opposing first cover surface portion disposed radially between the first base surface portion and the first inner surface so that a first portion of the sidewall is provided radially between the first cover surface portion and the inner surface. A first aperture may be in communication with the first cavity and may be axially spaced apart from the first cover surface portion. A first sensor may have a transducer portion insertable through the first aperture and positioned within the first cavity. The transducer portion may be disposed radially between the first base surface portion and the first cover surface portion and being axially spaced apart from the first aperture.

Classes IPC  ?

• G21C 17/10 - Combinaison structurelle de l'élément combustible, de la barre de commande, du cœur du réacteur, ou de la structure du modérateur avec des instruments sensibles, p. ex. pour la mesure de la radioactivité, des contraintes
• G01D 11/24 - Boîtiers
• G21C 17/112 - Mesure de la température
• G01K 7/04 - Mesure de la température basée sur l'utilisation d'éléments électriques ou magnétiques directement sensibles à la chaleur utilisant des éléments thermo-électriques, p. ex. des thermocouples l'objet à mesurer ne formant pas l'un des matériaux thermo-électriques

Abrégé

A cross-over fluid coupling includes a first coupling end and a second coupling end. A plurality of first conduits have inner ends disposed toward the first coupling end and outer ends spaced apart from the inner end toward the second coupling end and being outboard of the inner end. A plurality of second conduits have outer ends that are disposed toward the first coupling end and positioned laterally outboard of the inner end of at least one of the first conduits, and inner ends that are spaced apart from the outer end toward the second coupling end in the axial direction and is laterally inboard of the outer end of the at least one of the first conduits.

Classes IPC  ?

• F16L 39/00 - Raccords ou accessoires de raccordement pour tuyaux à double paroi ou à canaux multiples ou pour assemblages de tuyaux

Abrégé

− decay and at least a portion of the 3He gas escapes from the heavy water and mixes with the cover gas, d) extracting an outlet gas stream, the outlet gas stream comprising a mixture of the cover gas and the 3He gas and e) separating the 3He gas from the outlet gas stream.

Classes IPC  ?

• G21C 23/00 - Dispositions dans les réacteurs pour faciliter les expériences ou l'irradiation
• G21G 1/02 - Dispositions pour la conversion des éléments chimiques par rayonnement électromagnétique, radiations corpusculaires ou bombardement par des particules, p. ex. production d'isotopes radioactifs dans les réacteurs nucléaires
• G21G 1/00 - Dispositions pour la conversion des éléments chimiques par rayonnement électromagnétique, radiations corpusculaires ou bombardement par des particules, p. ex. production d'isotopes radioactifs

Abrégé

A packing assembly for a valve includes a first segment having at least one first guiding surface, and a second segment having at least one second guiding surface in engagement with at least a portion of the at least one first guiding surface. A shape-memory member couples the first and second segments. The shape-memory member may be formed of a material that is responsive to changes in temperature, so that, in response to a change in temperature, the shape-memory member may cause relative movement of the first and second segments in a first direction. In response to the movement, the first and second guiding surfaces may cause relative displacement of the first and second segments in a second direction.

Classes IPC  ?

• F16J 15/18 - Joints d'étanchéité entre deux surfaces mobiles l'une par rapport à l'autre par presse-étoupes pour garnitures élastiques ou plastiques
• F16K 3/00 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture

Abrégé

A Ni-Cr-Fe alloy with improved resistance to stress corrosion cracking in nuclear environments, the alloy comprising 23-28 wt% Cr, 25-35 wt% Ni,< 0.03 wt% C, <0.70 wt% Si, <1.0 wt% Mn, <0.015 wt% S, >0.35 wt% Ti, 0.15-0.45 wt% A1, <0.75 wt% Cu, and balance Fe and incidental impurities. The alloy may be used in steam generator tubing of a nuclear reactor. A method of producing an article includes: providing the alloy as disclosed herein; forming the alloy into the article by cold working the alloy to 20%; and heat treating the article.

Classes IPC  ?

• C22C 30/00 - Alliages contenant moins de 50% en poids de chaque constituant
• C21D 1/26 - Méthodes de recuit
• F22B 37/10 - Tubes d'eauAccessoires à cet effet
• G21C 1/08 - Réacteurs hétérogènes, c.-à-d. dans lesquels le combustible et le modérateur sont séparés le modérateur étant hautement pressurisé, p. ex. réacteur à eau bouillante, réacteur à surchauffe intégrale, réacteur à eau pressurisée

Abrégé

A method of measuring ionizing radiation may include the steps of: a) creating charged particles; b) causing the charged particles to generate the electrons; c) collecting at least a portion of the multiplied free electrons using at least two anode pads provided within the chamber, each anode pad producing a corresponding anode output signal, to provide higher sensitivity; and d) recording each anode output signal.

Classes IPC  ?

• G01T 1/185 - Mesure de l'intensité de radiation avec des aménagements de chambre d'ionisation
• H01J 47/06 - Tubes compteurs proportionnels

Abrégé

A regulator apparatus for distributing a fluid may include a charging valve assembly and a flow multiplier assembly. In a recharge mode, a valve of the charging valve assembly is in an open position, and the fluid is received in a second cylinder of the flow multiplier assembly, causing first and second pistons of the flow multiplier assembly to move in a first direction. In a purge mode, the valve is in the seated position, and the fluid is received in a first cylinder of the flow multiplier assembly, causing the first and second pistons to move in a second direction, and discharging an outlet flow through an outlet of the flow multiplier assembly. The second cylinder may have a bore cross sectional area that is greater than a bore cross sectional area of the first cylinder. Apparatuses disclosed herein may be implemented in a circumferential sampling tool.

Classes IPC  ?

• F17C 13/04 - Disposition ou montage des soupapes
• F15B 3/00 - Amplificateurs ou convertisseurs de pression de fluide, p. ex. échangeurs de pressionTransmission de la pression d'un système à fluide à un autre, sans contact entre les fluides
• G21C 17/017 - Inspection ou maintenance de tuyaux ou de tubes dans des installations nucléaires
• G01N 1/08 - Dispositifs pour prélever des échantillons à l'état solide, p. ex. par coupe à l'outil impliquant un outil d'extraction, p. ex. mèche cylindrique creuse ou trépan
• F16K 1/36 - Corps de soupapes
• F16K 1/42 - Sièges de soupapes
• F16K 31/12 - Moyens de fonctionnementDispositifs de retour à la position de repos actionnés par un fluide
• G21C 17/003 - Inspection à distance des enceintes, p. ex. des cuves de pression
• F15B 13/04 - Dispositifs de distribution ou d'alimentation du fluide caractérisés par leur adaptation à la commande de servomoteurs pour utilisation avec un servomoteur unique

Abrégé

An apparatus for holding radioactive objects includes a base and a central pillar extending upwardly between a bottom end coupled to the base and a top end above the base. A plurality of inner segments are spaced around the central pillar, and a plurality of outer segments are spaced around the inner segments to form pairs. The inner segments, the outer segments and the central pillar may be coupled together to permit limited radial movement of at least one of the segments of each pair. Each pair may define a generally vertical, object-receiving channel arranged between the inner and outer segment of the pair. The segments of each pair may be adapted to bear against an object in the channel of the pair to laterally restrain the object and facilitate heat transfer from the object.

Classes IPC  ?

• G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
• G21F 5/012 - Râteliers pour éléments combustibles dans le récipient
• G21F 5/005 - Récipients pour déchets radioactifs solides, p. ex. pour le stockage final
• G21F 5/008 - Récipients pour éléments combustibles
• G21F 5/015 - Récipients blindés portatifs ou transportables pour le stockage de sources radioactives, p. ex. supports de sources pour unités d'irradiationRécipients pour radio-isotopes

Abrégé

With a water and debris mixture, a method of quantifying debris content may include obtaining at least one image of a sample of the water and debris mixture. The image may be analyzed to quantify the debris content.

Classes IPC  ?

• G01N 15/02 - Recherche de la dimension ou de la distribution des dimensions des particules
• G01N 15/10 - Recherche de particules individuelles
• G01N 21/94 - Recherche de souillures, p. ex. de poussières
• G21C 15/00 - Dispositions pour le refroidissement à l'intérieur de l'enceinte sous pression contenant le cœurEmploi de réfrigérants spécifiques

Abrégé

With a water, particulate and fibre mixture, a method of quantifying fibre content may include providing a sample of the mixture, filtering the sample to produce a particulate and fibre mixture, burning the particulate and fibre mixture to produce a fibre sample, and dissolving the fibre sample to produce a fibre solution. The fibre solution may be analyzed to determine an elemental content of the fibre solution. The elemental content may be compared to a known elemental content to estimate the fibre content.

Classes IPC  ?

• G01N 15/00 - Recherche de caractéristiques de particulesRecherche de la perméabilité, du volume des pores ou de l'aire superficielle effective de matériaux poreux
• G21C 15/00 - Dispositions pour le refroidissement à l'intérieur de l'enceinte sous pression contenant le cœurEmploi de réfrigérants spécifiques

Abrégé

A system for determining a radiation dose in real time can include at least one three- dimensional target object to be exposed to ionizing radiation. The at least one target object may include a scintillating gel material. The scintillating gel material may emit light when exposed to the ionizing radiation. An imaging system may be configured to capture at least a first image of the target object from a first position, and a second image of the target object from a second position relative to the target object. A controller may be connected to the imaging system and may be configured to the process the first and second images to provide a three-dimensional dose distribution in real-time.

Classes IPC  ?

• G01T 1/10 - Dosimètres luminescents
• G01T 1/00 - Mesure des rayons X, des rayons gamma, des radiations corpusculaires ou des radiations cosmiques
• G01T 1/29 - Mesure effectuée sur des faisceaux de radiations, p. ex. sur la position ou la section du faisceauMesure de la distribution spatiale de radiations

Abrégé

A method of measuring ionizing radiation may include the steps of: a) creating charged particles; b) causing the charged particles to generate the electrons; c) collecting at least a portion of the multiplied free electrons using at least two anode pads provided within the chamber, each anode pad producing a corresponding anode output signal, to provide higher sensitivity; and d) recording each anode output signal.

Classes IPC  ?

• G01T 1/28 - Mesure de l'intensité de radiation avec des détecteurs à émission secondaire
• G01T 1/185 - Mesure de l'intensité de radiation avec des aménagements de chambre d'ionisation
• H01J 47/04 - Chambres d'ionisation capacitives, p. ex. dont les électrodes sont utilisées comme électromètres

Abrégé

A sealing apparatus for mitigating emissions of a hazardous gas flowing between first and second regions. A body of the apparatus includes at least one inlet, at least one outlet spaced apart from the at least one inlet, and a channel connecting the at least one inlet and the at least one outlet in fluid communication. Treatment material housed in at least a portion of the channel is adapted to treat the hazardous gas to form a conditioned gas. In use, the hazardous gas being emitted from the first region is received at the at least one inlet, and the conditioned gas is discharged to the second region at the at least one outlet. The apparatus may be used in combination with a storage container housing radioactive or other toxic waste.

Classes IPC  ?

• A62D 3/30 - Procédés pour rendre les substances chimiques nuisibles inoffensives ou moins nuisibles en effectuant un changement chimique dans les substances par réaction avec des agents chimiques
• F16L 55/07 - Aménagement ou montage de dispositifs, p. ex. soupapes, pour ventiler ou aérer ou purger
• F17C 13/00 - Détails des récipients ou bien du remplissage ou du vidage des récipients
• G21F 5/12 - Dispositifs obturateurs pour récipientsDispositions pour leur étanchéité
• G21F 9/02 - Traitement des gaz

Abrégé

A regulator apparatus for distributing a fluid may include a charging valve assembly and a flow multiplier assembly. In a recharge mode, a valve of the charging valve assembly is in an open position, and the fluid is received in a second cylinder of the flow multiplier assembly, causing first and second pistons of the flow multiplier assembly to move in a first direction. In a purge mode, the valve is in the seated position, and the fluid is received in a first cylinder of the flow multiplier assembly, causing the first and second pistons to move in a second direction, and discharging an outlet flow through an outlet of the flow multiplier assembly. The second cylinder may have a bore cross sectional area that is greater than a bore cross sectional area of the first cylinder. Apparatuses disclosed herein may be implemented in a circumferential sampling tool.

Classes IPC  ?

• F15B 21/00 - Caractéristiques communes des systèmes de manœuvre utilisant des fluidesSystèmes de manœuvre à pression ou parties constitutives de ces systèmes, non couverts par l'un quelconque des autres groupes de la présente sous-classe
• F16J 1/00 - PistonsPistons à fourreauPlongeurs

Abrégé

A nuclear fuel bundle may include a first end face and a second end face axially spaced apart from the first end face and a plurality of elongate nuclear fuel elements supported by at least one spacer. The plurality of fuel elements and spacer being sized to be removably received within the fuel channel assembly. A coolant tube passage may extend axially through the fuel bundle between a first aperture in the first end face and a second aperture in the second end face. The coolant tube passage sized to removably receive a coolant fluid downflow tube provided in the fuel channel assembly. The tube passage extending from the first end face to the second end face to enable the coolant fluid downflow tube to pass through the fuel bundle.

Classes IPC  ?

• G21C 3/322 - Moyens pour influencer l'écoulement du réfrigérant à travers ou autour des faisceaux

Abrégé

A fuel assembly for a pressure-tube nuclear reactor includes a fuel channel assembly. The fuel channel assembly has an outer conduit and an inner conduit received within the outer conduit. The conduits define an annular fuel bundle chamber for receiving a flow of a coolant in one direction. The inner conduit includes a central flow passage for receiving a flow of the coolant in an opposite direction. A fuel bundle positioned within the fuel bundle chamber consists of fuel elements arranged to form an inner ring surrounding the inner conduit, and an outer ring surrounding the inner ring. The coolant may be light water, and geometries of the fuel assembly may be selected so moderation by the volume of coolant promotes generally uniform power distribution in the fuel elements.

Classes IPC  ?

• G21C 3/328 - Disposition relative des éléments dans le réseau
• G21C 1/20 - Réacteurs hétérogènes, c.-à-d. dans lesquels le combustible et le modérateur sont séparés le modérateur n'étant pas substantiellement pressurisé, p. ex. réacteur à pile piscine le modérateur et le réfrigérant étant différents ou séparés, p. ex. réacteur sodium-graphite le réfrigérant étant pressurisé le modérateur étant liquide, p. ex. réacteur à tubes de force
• G21C 15/06 - Aménagement ou disposition de passages dans lesquels la chaleur est transférée au réfrigérant, p. ex. pour la circulation du réfrigérant à travers les supports des éléments combustibles provenant du matériau fissile ou surrégénérateur dans les éléments combustibles

Abrégé

A fuel channel assembly for a nuclear reactor may include an inner conduit received within an outer conduit that has an outer upper end connectable to a coolant outlet and an outer lower end. The inner conduit may have an inner upper end connectable to a coolant source and an inner lower end axially spaced apart from the inner upper end and disposed within the outer conduit to enable coolant to circulate from the coolant source to the coolant outlet through both the inner and outer conduits. A fuel bundle chamber may be between an inner surface of the outer conduit and an outer surface of the inner conduit and may at least partially laterally surround the inner conduit. The fuel bundle chamber fluidly connecting the inner lower end and the outer upper end to enable the coolant to flow upward through the fuel bundle chamber.

Classes IPC  ?

• G21C 15/06 - Aménagement ou disposition de passages dans lesquels la chaleur est transférée au réfrigérant, p. ex. pour la circulation du réfrigérant à travers les supports des éléments combustibles provenant du matériau fissile ou surrégénérateur dans les éléments combustibles
• G21C 1/06 - Réacteurs hétérogènes, c.-à-d. dans lesquels le combustible et le modérateur sont séparés
• G21C 1/20 - Réacteurs hétérogènes, c.-à-d. dans lesquels le combustible et le modérateur sont séparés le modérateur n'étant pas substantiellement pressurisé, p. ex. réacteur à pile piscine le modérateur et le réfrigérant étant différents ou séparés, p. ex. réacteur sodium-graphite le réfrigérant étant pressurisé le modérateur étant liquide, p. ex. réacteur à tubes de force
• G21C 3/30 - Assemblages d'un certain nombre d'éléments combustibles sous forme d'une unité rigide

Abrégé

3He gas from the outlet gas stream.

Classes IPC  ?

• G21C 19/32 - Appareils pour enlever des objets ou matériaux radioactifs de l'aire de décharge du réacteur, p. ex. pour les porter à un emplacement de stockageAppareils pour manipuler des objets ou matériaux radioactifs à l'intérieur d'un emplacement de stockage ou les extraire de celui-ci
• G21G 1/02 - Dispositions pour la conversion des éléments chimiques par rayonnement électromagnétique, radiations corpusculaires ou bombardement par des particules, p. ex. production d'isotopes radioactifs dans les réacteurs nucléaires
• G21G 1/00 - Dispositions pour la conversion des éléments chimiques par rayonnement électromagnétique, radiations corpusculaires ou bombardement par des particules, p. ex. production d'isotopes radioactifs
• G21C 23/00 - Dispositions dans les réacteurs pour faciliter les expériences ou l'irradiation

Abrégé

An apparatus for holding radioactive objects includes a base and a central pillar extending upwardly between a bottom end coupled to the base and a top end above the base. A plurality of inner segments are spaced around the central pillar, and a plurality of outer segments are spaced around the inner segments to form pairs. The inner segments, the outer segments and the central pillar may be coupled together to permit limited radial movement of at least one of the segments of each pair. Each pair may define a generally vertical, object- receiving channel arranged between the inner and outer segment of the pair. The segments of each pair may be adapted to bear against an object in the channel of the pair to laterally restrain the object and facilitate heat transfer from the object.

Classes IPC  ?

• G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement

Abrégé

A portable detection apparatus can include a housing, a first detector for detecting ionizing radiation from a first subject and a second detector within the housing for the detecting the background radiation. A shield within the housing can surround the first and second detectors and define a shield aperture around the first and second detectors for radiation from the subject to enter the housing. A radiation blocking member can substantially block at least a portion of the ionizing radiation from reaching the second detector, whereby radiation detected by the second detector comprises substantially only the background radiation. A processor module can be connected to the first and second detectors for determining the amount of ionizing radiation detected by the first detector attributable to secondary radiation.

Classes IPC  ?

• G01T 1/161 - Applications au domaine de la médecine nucléaire, p. ex. comptage in vivo
• G01T 1/163 - Compteurs pour le corps en entier
• G01T 1/202 - Mesure de l'intensité de radiation avec des détecteurs à scintillation le détecteur étant du cristal
• G01T 7/00 - Détails des instruments de mesure des radiations
• G01T 7/12 - Dispositions pour actionner un signal d'alarme

Abrégé

A pressure-tube nuclear reactor can include an outer shell having an interior to contain a moderator at a first pressure and a coolant plenum to receive the coolant fluid at a second pressure, the second pressure being greater than the first pressure. The reactor also includes a plurality of pressure tubes. Each pressure tube is received within and extends through a corresponding shell tube and is configured to releasably retain at least one fuel bundle. A first end of each pressure tube being coupled to the plenum tubesheet in fluid communication with the plenum chamber and a second end of each pressure tube fluidly connected to a coolant conduit to enable the coolant fluid to flow between the coolant plenum and each pressure tube and to flow from the nuclear reactor for further processing.

Classes IPC  ?

• G21C 1/10 - Réacteurs hétérogènes, c.-à-d. dans lesquels le combustible et le modérateur sont séparés le modérateur étant hautement pressurisé, p. ex. réacteur à eau bouillante, réacteur à surchauffe intégrale, réacteur à eau pressurisée le modérateur et le réfrigérant étant différents ou séparés
• G21C 15/02 - Aménagement ou disposition de passages dans lesquels la chaleur est transférée au réfrigérant, p. ex. pour la circulation du réfrigérant à travers les supports des éléments combustibles
• G21C 5/12 - Structure du modérateur ou du cœurEmploi de matériaux spécifiés comme modérateur caractérisée par la composition, p. ex. le modérateur contenant des substances additionnelles qui assurent une meilleure résistance du modérateur
• G21C 13/04 - Dispositions pour l'expansion et la contraction
• G21C 15/20 - Compartiments ou isolement thermique entre le canal d'enfournement et le modérateur, p. ex. dans des réacteurs à tubes de force
• G21C 15/28 - Emploi de réfrigérants spécifiques

Abrégé

A nuclear reactor can include a pressure vessel for containing a pressurized moderator at a first pressure. The nuclear reactor can also include a plurality of fuel channels for a coolant fluid at a second pressure. The plurality of fuel channels are fluidly connected at inlet ends thereof to a coolant supply conduit and are adapted to receive nuclear fuel bundles and to be mounted within the pressure vessel and surrounded by the moderator. The outlet ends of the fuel channels are fluidly connected to a coolant outlet conduit to enable the coolant fluid to circulate from the coolant supply conduit through the fuel channels to the coolant outlet conduit. The plurality of fuel channels maintain separation between the coolant fluid circulating within the fuel channels and the moderator.

Classes IPC  ?

• G21C 1/06 - Réacteurs hétérogènes, c.-à-d. dans lesquels le combustible et le modérateur sont séparés
• G21C 1/08 - Réacteurs hétérogènes, c.-à-d. dans lesquels le combustible et le modérateur sont séparés le modérateur étant hautement pressurisé, p. ex. réacteur à eau bouillante, réacteur à surchauffe intégrale, réacteur à eau pressurisée
• G21C 19/19 - Parties de réacteurs spécifiquement adaptées pour faciliter la manipulation, p. ex. pour faciliter le chargement ou le déchargement des éléments combustibles

Produits et services

(1) Nuclear reactors; installations for processing nuclear fuel and nuclear moderating material; parts and fittings for all of the aforesaid. (1) Maintenance services and repair services in the field of nuclear reactor construction. (2) Nuclear reactor decontamination services. (3) Material testing services in the field of nuclear reactor design, research and development, and in-service inspection; nuclear reactor project management services; consulting services in the field of nuclear reactor construction.

Produits et services

(1) Nuclear reactors; installations for processing nuclear fuel and nuclear moderating material; parts and fittings for all of the aforesaid. (1) Maintenance services and repair services in the field of nuclear reactor construction. (2) Nuclear reactor decontamination services. (3) Material testing services in the field of nuclear reactor design, research and development, and in-service inspection; nuclear reactor project management services; consulting services in the field of nuclear reactor construction.

Produits et services

(1) Moderating materials for nuclear reactors; heavy water; fuel for nuclear reactors. (2) Safeguard systems, namely surveillance cameras, radiation sensors and detectors, seals (mechanical, fibre optic or electronic), and associated instrumentation to monitor the movement of nuclear material to detect the removal of nuclear material from designated storage locations. (3) Nuclear reactors; installations for processing nuclear fuel and nuclear moderating material; parts and components for all of the aforesaid; instrumentation which is an integral part of the applicant's nuclear reactors; storage and disposal facilities for used nuclear fuel and radioactive waste materials. (1) Procurement, commissioning, operation and decommissioning services in the field of nuclear reactors. (2) Construction and maintenance services in the field of nuclear reactors. (3) Decontamination services in the field of nuclear reactors. (4) Training services in the field of nuclear reactors. (5) Material testing services, research and development, and in-service inspection in the field of nuclear reactors; engineering design, project management and inspection services in the field of nuclear reactors.

Produits et services

(1) Moderating materials for nuclear reactors; heavy water; fuel for nuclear reactors. (2) Safeguard systems, namely surveillance cameras, radiation sensors and detectors, seals (mechanical, fibre optic or electronic), and associated instrumentation to monitor the movement of nuclear material to detect the removal of nuclear material from designated storage locations. (3) Nuclear reactors; installations for processing nuclear fuel and nuclear moderating material; parts and components for all of the aforesaid; instrumentation which is an integral part of the applicant's nuclear reactors; storage and disposal facilities for used nuclear fuel and radioactive waste materials. (1) Procurement, commissioning, operation and decommissioning services in the field of nuclear reactors. (2) Construction and maintenance services in the field of nuclear reactors. (3) Decontamination services in the field of nuclear reactors. (4) Training services in the field of nuclear reactors. (5) Material testing services, research and development, and in-service inspection in the field of nuclear reactors; engineering design, project management and inspection services in the field of nuclear reactors.

Produits et services

(1) Nuclear fuel.

Abrégé

An apparatus for cleaning heat exchanger tubes and in particular an improved collection system for nuclear generator cleaning and blasting media and deposit material. A suction line having a downwardly directed suction inlet is effective to vacuum airborne media and debris in said chamber and vacuum media and debris deposited on the bottom of said chamber below said suction inlet. A hopper, air jet and shaker means are provided to transport deposited media and debris toward the suction inlet. Breaker and partition means are provided to reduce back-streaming of debris into heat exchanger tubes.

Classes IPC  ?

• B08B 9/027 - Nettoyage des surfaces intérieuresÉlimination des bouchons

Produits et services

(1) Integrated package of software tools that facilitate on-line monitoring, diagnostics, analysis and control of processes and equipment at a CANDU nuclear power plant to optimize plant operation and maximize plant life. (1) Remote monitoring of current conditions of processes or equipment in nuclear facilities to determine immediate or future actions to properly maintain these processes or equipment.

Produits et services

(1) Nuclear reactors; installations for processing nuclear fuel and nuclear moderating material; parts and fittings for all of the aforesaid. (1) Maintenance services and repair services. Consulting services in the field of nuclear reactor construction. (2) Nuclear reactor decontamination services. (3) Material testing services in the field of nuclear reactor design, research and development, and in-service inspection. Nuclear reactor project management services.

Produits et services

(1) Debris collection devices having the following characteristics for use in nuclear reactors: compact, modular, low head loss, large surface area, high debris collection capacity (large debris to fine-particulate removal capabilities), passive, adaptive configuration, low maintenance, custom-made and engineered for customer specific conditions. (1) Combined engineering, technological consulting and fabrication services providing quality custom-made solutions for removing large quantities of debris from fluids flowing through open systems.

Produits et services

(1) System health monitor and related software for power plant chemistry providing automated monitoring, alarming, diagnostics, prediction and on-line execution of analysis codes to assist and improve in the monitoring and control of power plant chemistry and to improve capacity factors and extend power plant life.

Produits et services

(1) Design and construction of facilities for storage of used nuclear fuels and high level radioactive waste.

Produits et services

(1) Radioisotopes for scientific and industrial purposes; heavy water; fuel for nuclear reactors; metal containing catalysts for chemical reactions. (2) Radon canisters and parts, and fittings and accessories therefor; canisters for storage of nuclear spent fuel. (3) Radioisotopes for medical purposes. (4) Machine tooling and instrumentation for repair of nuclear reactors and parts, components and systems. (5) Calibration instruments, monitors and probes used for measuring and testing nuclear and non-nuclear materials and machines; level and pressure recorders; computer software and manuals; instrumentation for determining fluid flows; electron accelerators; charged particle accelerators. (6) Safeguard systems for nuclear reactors; nuclear reactors, and parts, components and systems thereof; steam generating apparatus, namely, pump seals used in industrial machinery. (7) High performance valves. (1) Operation of a business manufacturing, repairing, servicing and consulting with respect to the above goods; the provision of project management services to others; the sale , for others, of cobalt-60 sources, gamma irradiators and electron accelerators; the provision of procurement services to the nuclear power plants of others which are under construction or in operation. (2) The construction, including construction engineering, maintenance and repair, for others, of nuclear installations; the maintenance and repair, for others, of steam generators forming part of nuclear installations; the construction, including construction engineering, maintenance and repair, for others, of irradiation units. (3) Storage, for others, of radioactive waste material. (4) The decontamination, for others, of nuclear installations; the decommissioning, for others, of nuclear installations; the disposal, for others, of radioactive waste material, the provision to others of material treatment services; the provision to others of mechanical and chemical processing services such as heavy water upgrading, isotope production and tritium removal; the provision to others of a hydraulic cutting service. (5) The provision of training services, to others, in connection with nuclear technology and radiation protection. (6) The provision to others of quality control and inspection services relating to nuclear installations, steam generators and irradiation units; ; the provision to others of technical, chemical and medical research services, industrial design services, engineering and engineering design services, material testing services, professional consultation services and geological research services; the provision to others of vibration analysis services; research, for others, to develop practical uses of radiation in industry; the provision of irradiation facilities; the development, for others, of high-power particle accelerators; the design, manufacture and servicing, for others, of cobalt-60 sources, gamma irradiators and electron accelerators; research, for others, to develop practical uses of radiation in industry; the provision of irradiation facilities; the development, for others, of high-power particle accelerators; ; research and development, for others, in the field of gamma and electron beam radiation processing; and research and development, for others, into industrial radiation processing applications using ionizing radiation from radioisotopes and electron accelerators; the design and development, for others, of robotic systems; the post-irradiation examination, for others, of fuel and pressure tubes; the non-destructive examination, for others, of flaws or damage to materials; the development and application, for others, of operations procedures and reliability studies in evaluation of petrochemical plants and aluminum smelters.

Produits et services

(1) Nuclear fuel.

Produits et services

(1) Services relating to the decontamination of nuclear systems to reduce radioactivity levels.

Produits et services

(1) Computer programs used to calculate radionuclide intake and dose evaluation.

Produits et services

(1) Computer hardware and software and a related computer relay network system for use in process control, monitoring and protection systems in power plants, particularly nuclear power and fossil fuel plants. (1) Assisting others in process control, monitoring and protection systems in power plants particularly nuclear power and fossil fuel plants.