A method for selectively removing a ceramic coating from adjacent cooling pockets of a turbine blade, wherein a high-speed water jet is used to at least partially remove ceramic material from at least one pocket in the region of a trailing edge of the turbine blade and/or from ribs between the pockets, and a metal adhesive layer being applied to the turbine blade.
F01D 5/28 - Emploi de matériaux spécifiés; Mesures contre l'érosion ou la corrosion
B24C 1/04 - Méthodes d'utilisation de jet abrasif en vue d'effectuer un travail déterminé; Utilisation d'équipements auxiliaires liés à ces méthodes pour travailler uniquement certaines parties déterminées, p.ex. pour graver la pierre ou le verre
2.
HEAT EXCHANGER AND HEAT PUMP HAVING AT LEAST ONE SUCH HEAT EXCHANGER
A heat exchanger, in particular a tubular heat exchanger, a tube bundle heat exchanger, a finned tube heat exchanger and a plate heat exchanger, having at least one elongate flow duct through which a fluid is conducted during operation in a main flow direction corresponding to the longitudinal extent of the flow duct. The at least one flow duct has internal components and/or design features which give the fluid flowing in the main flow direction a swirl in a circumferential direction of the flow duct. A heat pump includes at least one such heat exchanger.
F28F 13/12 - Dispositions pour modifier le transfert de chaleur, p.ex. accroissement, diminution en affectant le mode d'écoulement des sources de potentiel calorifique en créant une turbulence, p.ex. par brassage, par augmentation de la force de circulation
F28F 1/40 - Eléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des saillies, avec des évidements les moyens étant uniquement à l'intérieur de l'élément tubulaire
F28F 3/02 - Eléments ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des évidements, avec des ondulations
3.
BLADE FOR A CONTINUOUS FLOW MACHINE AND METHOD FOR PRODUCING A BLADE, WHEREIN THE BLADE HAS A BLADE TIP WITH NOTCHES IN AN ABRADABLE COATING SURFACE
A blade for a continuous flow machine, wherein the blade is formed along a radial direction and has a blade tip and a blade cross-sectional profile with a pressure side and a suction side. The blade has a blade tip surface which is opposite a housing inner wall during operation. The blade tip surface has an abradable coating, wherein the abradable coating is formed in such a way that a wearing away of the abradable coating takes place during operation, when coming into contact with the housing inner wall, wherein the abradable coating is formed with an abradable coating surface, wherein notches are arranged in the abradable coating surface.
F01D 11/12 - Prévention ou réduction des pertes internes du fluide énergétique, p.ex. entre étages pour obturations de l'espace entre extrémités d'aubes du rotor et stator utilisant un élément de friction allongé, p.ex. un élément d'usure, déformable ou contraint de façon élastique
F01D 5/20 - Extrémités de pales spécialement façonnées en vue d'obturer l'espace entre ces extrémités et le stator
A system for testing the condition of a stator and/or rotor of an electrical machine, the system includes a test vehicle, a track-changing unit and a control unit. The test vehicle is equipped with at least one test device and is inserted into the air gap between a rotor and a stator of an electric machine, in particular of a generator, which stator has axially extending laminated core teeth and copper rods disposed between the laminated core teeth, and is rectilinearly displaced along the laminated core teeth of the stator so as to test the state of the stator in the region of the internal circumferential face and/or the state of the rotor in the region of the external circumferential face while using the at least one test device. A test method carried out using such a system is provided.
H02K 11/20 - Association structurelle de machines dynamo-électriques à des organes électriques ou à des dispositifs de blindage, de surveillance ou de protection pour la mesure, la surveillance, les tests, la protection ou la coupure
H02K 15/02 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques
A compressor having a rotor which extends along an axis of rotation, a housing, wherein the housing is arranged around the rotor, wherein the housing has an axial inflow and, downstream of the axial inflow, a first compression stage and, further downstream of the first compression stage, a radial outflow for a process fluid, the radial outflow leading through the housing, and an impeller which is arranged on the rotor, with an injection device for injecting a fluid into the axial inflow.
A plug for brazing in a through-hole and for sealing a through-hole in a substrate of a gas turbine component. The plug has at least one elongate part and a head, wherein the head is made wider in cross section than the elongate part. The elongate part has a cross section which becomes smaller towards its end face along its longitudinal axis, wherein the elongate part has a peripheral region on its end face, wherein the peripheral region of the elongate part has a brazing filler metal. The head has a peripheral region on its end face, wherein the peripheral region of the head has a brazing filler metal, and the remaining and largest part of the elongate part and of the head has a mixture of brazing filler metal and a substrate material.
F01D 25/00 - "MACHINES" OU MACHINES MOTRICES À DÉPLACEMENT NON POSITIF, p.ex. TURBINES À VAPEUR - Parties constitutives, détails ou accessoires non couverts dans les autres groupes ou d'un intérêt non traité dans ces groupes
An assembly has a multilevel converter for outputting reactive power to a power supply network. The multilevel converter contains three module branches arranged in a delta circuit. Each module branch contains a plurality of submodules in an electrical series circuit. Each module branch contains a first group of the submodules and a second group of the submodules. The submodules of the first group each contain a first electrical energy storage unit, a first electronic switching element and a second electronic switching element. The first electronic switching element and the second electronic switching element are arranged so that the first electrical energy storage unit is connected into the series circuit at a first polarity.
H02J 3/18 - Dispositions pour réglage, élimination ou compensation de puissance réactive dans les réseaux
H02M 7/539 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs, p.ex. onduleurs à impulsions à un seul commutateur avec commande automatique de la forme d'onde ou de la fréquence de sortie
9.
DEVICE FOR CONVERTING ELECTRICAL ENERGY INTO HEAT IN THE FIELD OF MEDIUM- AND HIGH-VOLTAGE ENGINEERING AND CONVERTER ARRANGEMENT HAVING THE DEVICE
A device converts electrical energy into heat with a conversion module. The conversion module contains a first resistor assembly connected to a first connection terminal and has a plurality of resistor disks, and a first semiconductor switch being used to block or allow a flow of current through the first resistor assembly. The conversion module further has a second resistor assembly connected to the first connection terminal and has a plurality of resistor disks, and a second semiconductor switch being used to block or allow a flow of current through the second resistor assembly. The resistor disks of the first and of the second resistor assembly are arranged in a first stack between first and second cooling plates. The first stack has a middle cooling plate which separates the resistor disks of the first resistor assembly from the resistor disks of the second resistor assembly.
H02M 7/00 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu; Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif
H02M 7/217 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage
10.
ELECTRICAL TRANSMISSION SYSTEM FOR FLEXIBLE CONSUMERS
A power conversion system includes an electrical generator operable to generate an electrical power and an electrical transmission system that is operable to transmit the electrical power from the electrical generator, the electrical transmission system having a maximum physical power transmission rate. A flexible load is operable in response to the receipt of the electrical power from the electrical transmission system to convert a portion of the electrical power into a form of stored energy. The electrical transmission system is separate from any grid code regulated systems, and the electrical transmission system is configured to transmit electrical power from the electrical generator to the flexible load at a rate that is 75 percent to 100 percent of the maximum physical power transmission rate.
A method for optimizing energy conversion installation service measures, wherein the energy conversion installation has at least the following machines: at least one gas turbine; at least one generator; and optionally at least one steam turbine; wherein repairs are carried out on the at least one machine, in particular a defective component or defective components of the at least one machine either is/are or will be replaced by a new, identical component or new, identical components and/or repaired; and wherein, while carrying out these repairs, further measures for extending the service life of machines or the components thereof and/or further measures for optimizing machines or the components thereof are carried out.
F01D 5/00 - Aubes; Organes de support des aubes; Dispositifs de chauffage, de protection contre l'échauffement, de refroidissement, ou dispositifs contre les vibrations, portés par les aubes ou les organes de support
F01D 5/18 - Aubes creuses; Dispositifs de chauffage, de protection contre l'échauffement ou de refroidissement des aubes
12.
STABILISED END ZONE REGIONS OF A LAMINATED STATOR CORE BY SEGMENTS, ELECTRICAL MACHINE AND METHOD OF PRODUCTION OR REPAIR
A segment for stabilizing an end zone region of a laminated core. The end zone region has a stepped portion on the end, wherein the segment has a lower part and an upper part, wherein the lower part is designed with a matching stepped portion complementary to the stepped portion, wherein the upper part is arranged on the lower part and is held in the radial direction by mechanical engagement from behind.
An alignment tool includes a mounting flange, a support leg fixedly coupled to the mounting flange and cooperating with the mounting flange to define a partial annular ring that extends in an arc between 190 degrees and 350 degrees, and a second quantity of jack bolt pairs movably coupled to the support leg, each jack bolt pair arranged to engage one of the first quantity of seal segments. A third quantity of mounting fasteners is positioned to fixedly attach the mounting flange to the inner casing.
F01D 25/28 - Dispositions pour le support ou le montage, p.ex. pour les carters de turbines
B25B 5/06 - Dispositions pour transmettre le mouvement aux mâchoires
F01D 11/02 - Prévention ou réduction des pertes internes du fluide énergétique, p.ex. entre étages par obturation non contact, p.ex. du type labyrinthe
F01D 25/24 - Carcasses d'enveloppe; Eléments de la carcasse, p.ex. diaphragmes, fixations
A combustor includes a premixer fuel injector that injects fuel into the combustor and ignites mixture of the fuel and compressed air to produce exhaust gas, a transition duct through which the exhaust gas passes, a secondary fuel injector disposed in an opening of the transition duct for providing further fuel to the exhaust gas, and a collar fixedly coupled to the transition duct and positioned to surround the secondary fuel injector. The collar cooperates with the secondary fuel injector to define an upstream purge path disposed on an upstream side of the opening and a downstream purge path disposed on a downstream side of the opening by a flow direction of the exhaust gas that each provides a flow communication between an exterior of the transition duct and an interior of the transition duct. The upstream purge path has a larger flow area than the downstream purge path.
The invention relates to a method for operating an electrolysis plant having an electrolyser for generating hydrogen and oxygen as product gases, and a control unit. At least the hydrogen product gas, which also contains oxygen as an external gas, is compressed. According to the invention, the energy required in the purification of the foreign gas in the product gas of the electrolysis plant can be reduced by making optimum use of the heating of the product gas by the compression process, whereby the hydrogen product gas is subsequently fed to a recombiner which contains a catalyst in which the oxygen recombines with the hydrogen to form water. The invention also relates to an electrolysis plant designed for efficient product gas purification, by means of which hydrogen purified from oxygen as an impurity gas can be produced as a product gas.
A vacuum switching unit of a vacuum circuit breaker has a vacuum interrupter, an insulating sleeve which surrounds the vacuum interrupter, extends tubularly about a longitudinal axis of the vacuum interrupter and is made of an insulating material. A plurality of capacitor electrodes are integrated into the insulating sleeve.
A method for selectively irradiating a material layer in additive manufacturing of a component includes the following: providing geometric data, having a contour of a component that is to be additively manufactured, computer-based definition of an irradiation pattern for layers of the component, the irradiation pattern having at least one contour irradiation path in a layer, and wherein an irradiation of the contour irradiation path is superimposed by a pulsed irradiation in the layer for forming a predefined surface texture of the component such that melt baths, which result in the course of the production of the component from an irradiation of the contour irradiation path and such, which result from the pulsed irradiation, overlap. A corresponding additive manufacturing method, a correspondingly manufactured component and a corresponding computer program product are provided.
B22F 10/38 - Commande ou régulation des opérations pour obtenir des caractéristiques spécifiques du produit, p.ex. le lissage de la surface, la densité, la porosité ou des structures creuses
B22F 10/28 - Fusion sur lit de poudre, p.ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B22F 10/366 - Paramètres de balayage, p.ex. distance d’éclosion ou stratégie de balayage
B22F 10/85 - Acquisition ou traitement des données pour la commande ou la régulation de procédés de fabrication additive
A sealing ring for a turbomachine, having at least a first and a second segment. The first segment has, in a region of a first longitudinal end, a first recess and a first projection having a first flank which delimits the first recess. The second segment has, in a region of a second longitudinal end, a second recess and a second projection having a first flank which flank delimits the second recess. The first and second segments have a coupling state in which they are movable relative to one another. The first projection is arranged in the second recess, the second projection is arranged in the first recess, and the first flank of the first projection and the first flank of the second projection are designed to abut one another upon a first movement of the first segment away from the second segment and to limit the first movement.
F01D 11/08 - Prévention ou réduction des pertes internes du fluide énergétique, p.ex. entre étages pour obturations de l'espace entre extrémités d'aubes du rotor et stator
F01D 5/02 - Organes de support des aubes, p.ex. rotors
A flat shaped sealing device for sealing a gap between two parts having a sealing length and a sealing width from one side edge to the opposite side edge of at most 0.2-times the sealing length and having a sealing thickness from a bottom side to a top side of at most 0.2-times the sealing width. The sealing device includes a head section and an adjacent main section. The head section includes an abutment and a spring, wherein the abutment is displaceable towards the main section and the spring is therefore arranged between the abutment and the main section and is able to exert a force on the abutment.
A method for quality assurance in additive manufacturing monitoring includes (i) providing a machine control unit of an additive manufacturing system, the control unit coupled to a primary and a redundant machine sensor, (ii) conducting a sensor check, wherein the primary and redundant sensors are read out and the respective readings of the primary and redundant sensors compared, (iii) conducting an algorithm check, wherein a primary and a backup algorithm are executed for each of the sensor readings, and, (iv) applying a logic AND-function with the checked sensor readings as input each with a result of the primary and backup algorithm as input, respectively, wherein a manufacturing process is only maintained when the AND-functions read out “true” and wherein, when the AND-functions read out “false”, the process is aborted. Furthermore, a related additive manufacturing methodology, the machine control unit and a related computer program product are provided.
The invention relates to an offshore electrolysis plant including an electrolyzer, which is disposed in a container, and a heat exchanger, which is designed to absorb process heat from the electrolysis and to discharge said process heat out of the container in a closed coolant circuit. A coolant pump for conveying the coolant in the coolant circuit is disposed in the container. The invention also relates to a method for operating an offshore electrolysis plant having an electrolyzer disposed in a container. In the method, in order to absorb process heat from the electrolysis and to discharge said process heat out of the container, coolant is conducted in a closed coolant circuit, wherein a coolant pump disposed in the container is operated.
A method of forming a stochastic structure, the method comprising the steps: selecting a parent structure, the parent structure defining an array of unit cells, initially the array of unit cells is uniform, defining each unit cell of the array of unit cells a size, a geometry, a relative density and at least one node, placing an implicit function of an object or part of an object at each node, wherein the object having parameters to define its position xcn, ycn, zcn, and extent rxn, ryn, and rzn or a shape defined by an equation having at least the parameters x, y and z, randomising any one or more of the parameters by applying a statistical distribution, the statistical distribution having a standard deviation σ, the standard deviation σ controls at least one of the three dimensions where random values of each parameter are created and selecting a value greater than zero of the standard deviation σ to define the degree of randomisation for any one or more of the parameters, thereby creating a randomised array of unit cells representative of the stochastic structure wherein the randomised array of unit cells forms three-dimensional volume data comprising iso-surfaces, the method comprising rendering the iso-surfaces with polygons having faces and vertices to form a solid model of the stochastic structure and optionally printing the stochastic structure in an additive manufacturing process.
An electrolysis cell for polymer electrolyte membrane electrolysis with a cathodic half-cell and an anodic half-cell is provided. The cathodic half-cell and the anodic half-cell are separated from one another by a polymer electrolyte membrane. At least one of the half-cells has a channel structure which is formed by a gas diffusion layer and a bipolar plate. The bipolar plate has a main body made of a metal base material having a coating material. The coating material is present in a homogeneous mixed phase including titanium niobium (TiNb), titanium niobium nitride and also iridium and/or iridium carbide (IrC). A coating to be applied as a protective layer to a metal component of an electrolysis cell is also described. This coating comprises the constituents titanium niobium (TiNb) and titanium niobium nitride (TiNbN) and also admixtures of iridium carbide (IrC) and/or (Ir).
C25B 11/069 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Électrodes; Leur fabrication non prévue ailleurs caractérisées par le matériau Électrodes comportant des électro-catalyseurs sur un substrat ou un support caractérisées par le matériau du substrat ou du support formé de plusieurs composés
C25B 9/23 - Cellules comprenant des électrodes fixes de dimensions stables; Assemblages de leurs éléments de structure avec des diaphragmes comprenant des membranes échangeuses d'ions dans ou sur lesquelles est incrusté du matériau pour électrode
C25B 11/032 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Électrodes; Leur fabrication non prévue ailleurs caractérisées par la configuration ou la forme perforées ou foraminées Électrodes poreuses Électrodes à diffusion de gaz
C25B 11/036 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Électrodes; Leur fabrication non prévue ailleurs caractérisées par la configuration ou la forme Électrodes bipolaires
C25B 13/08 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Éléments d'espacement caractérisés par le matériau à base de matériaux organiques
24.
MOUNTING DEVICE AND USE OF THE MOUNTING DEVICE FOR MOUNTING ELECTROLYSIS CELLS OF AN ELECTROLYSER
The invention relates to a mounting device for use in an electrolyser for mechanically pressing a plurality of electrolysis cells, which are centered in relation to each other in the axial direction by means of a centering linkage to form an electrolysis stack, by applying an axial force (F), said mounting device comprising a hydraulic assembly having a pressure plate, an actuator, and a receptacle, the receptacle having a number of connecting elements located on the periphery of the pressure plate for detachable connection to the electrolysis stack in such a way that, when the hydraulic assembly is activated by the axial force (F), the mechanical pressing can be carried out. The invention also relates to the use of a mounting device for mounting electrolysis cells of an electrolyser.
B30B 9/28 - Presses spécialement adaptées à des fins particulières pour la fabrication d'objets façonnés
B30B 1/32 - Presses, utilisant un élément pilonnant, caractérisées par le mode d'entraînement du pilon, la pression étant transmise au pilon ou à la platine de presse directement ou uniquement par l'intermédiaire d'organes travaillant en simple poussée ou tracti par des plongeurs sous pression de fluide
B30B 15/00 - PRESSES EN GÉNÉRAL; PRESSES NON PRÉVUES AILLEURS - Parties constitutives des presses ou accessoires de presses; Mesures auxiliaires prises en rapport avec le pressage
An adhesion promoter layer is produced by a novel composition with a lower cobalt content in an MCrAlY alloy. The adhesion promoter layer leads to a very slow growth of the TGO. The nickel-based alloy contains at least (in wt. %): cobalt (Co) 0.2%-5.0%, chromium (Cr) 14.0%-20.0%; aluminum (Al) 6.0%-8.0%; tantalum (Ta) 1.0%-3.0%; yttrium (Y) 0.3%-0.6%; nickel (Ni) 70.0%-75.0%.
C22C 19/05 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel avec du chrome
B22F 1/10 - Poudres métalliques contenant des agents lubrifiants ou liants; Poudres métalliques contenant des matières organiques
C23C 4/073 - Matériaux métalliques contenant des alliages MCrAl ou MCrAlY où M est le nickel, le cobalt ou le fer, avec ou sans éléments non métalliques
C23C 28/00 - Revêtement pour obtenir au moins deux couches superposées, soit par des procédés non prévus dans un seul des groupes principaux , soit par des combinaisons de procédés prévus dans les sous-classes et
26.
VACUUM INTERRUPTER, ASSEMBLY COMPRISING VACUUM INTERRUPTERS, AND METHOD FOR GRADING OR CONTROLLING A VOLTAGE DISTRIBUTION AMONG VACUUM INTERRUPTERS
A vacuum interrupter for switching voltages, in particular high voltages, includes at least one envelope, at least one fixed contact, at least one movable contact, and control elements in particular having different lengths and/or widths disposed on the at least one vacuum interrupter. An assembly includes the vacuum interrupters electrically connected in series, in particular by control elements disposed on the at least two vacuum interrupters, and/or by control elements of one vacuum interrupter connected in series to control elements of another vacuum interrupter, in particular of all vacuum interrupters. A method for grading or controlling voltage distribution among vacuum interrupters uses control elements, in particular capacitors and/or resistors, disposed on the vacuum interrupters, in particular in a housing along with the vacuum interrupters and/or along with control elements of different vacuum interrupters that are connected in series.
The invention relates to a method for operating an electrolysis plant for producing hydrogen and oxygen as product gases, wherein the hydrogen product gas, which additionally contains oxygen as a foreign gas, is fed from an electrolyser to a downstream gas separator, wherein when a predefined limit value for the oxygen concentration in the hydrogen product gas is exceeded, hydrogen having a low oxygen concentration is fed to the gas separator such that the oxygen concentration in the hydrogen product gas is lowered. The invention further relates to a corresponding electrolysis plant.
A vacuum interrupter for switching voltages, in particular high voltages, has at least one sleeve casing, at least one fixed contact, and at least one movable contact. One or more control elements are arranged directly on the vacuum interrupter. An assembly includes an arrangement of multiple vacuum interrupters that are connected electrically in series. A method for controlling a voltage distribution across the vacuum interrupters is effected by way of control elements, in particular by way of capacitors and/or resistors that are arranged directly on the vacuum interrupters.
An alloy, a raw workpiece, a component and a method contain or create austenites. The new alloy allows austenites to be formed or treated at higher temperatures, with new heat treatments also being used. Various heat treatments may be carried out with reference to the strength/toughness balance and notch sensitivity.
A method of additive manufacturing a thin-walled structure out of a powder bed by selective irradiation includes additively establishing a non-continuous support for supporting the thin-walled structure on a build plate, wherein non-continuous melt pools are generated in the powder bed, and additively establishing the thin-walled structure on the support. A component is manufactured according to the method.
B22F 10/47 - Structures destinées à soutenir des pièces ou des articles pendant la fabrication et retirées par la suite caractérisées par des caractéristiques structurelles
B22F 10/28 - Fusion sur lit de poudre, p.ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
A combustion chamber (“steam booster”) system for burning hydrogen with the aim of heating a flow of steam and/or of increasing the steam states of the hydrogen, and a method and a plant. In the combustion chamber system, hydrogen and preferably oxygen can be burned in the presence of water and/or water vapor in a combustion chamber, steam can flow around the combustion chamber on the outside in an intermediate space, in particular can flow over the entire length of the combustion chamber in the intermediate space of a flame tube.
A continuous flow engine skid component contains a matrix material to improve the overall properties of the continuous flow engine skid component. The continuous flow engine skid component is part of a continuous flow engine skid or is adapted to be part of a continuous flow engine skid, wherein the continuous flow engine skid is adapted to fixate a continuous flow engine in a specified position, wherein the continuous flow engine skid component contains a matrix material, wherein the matrix material contains a nonmetal inorganic or organic matrix.
the total split offset being greater than the steady state active pilot split offset and the rate of change of the transient active pilot split offset is faster than the rate of change of the steady state active pilot split offset.
F02C 9/28 - Systèmes de régulation sensibles aux paramètres ambiants ou à ceux de l'ensemble fonctionnel, p.ex. à la température, à la pression, à la vitesse du rotor
F02C 7/228 - Division du fluide entre plusieurs brûleurs
A combustion section of a gas turbine includes an annular combustion chamber, a burner arrangement upstream of the combustion chamber, an annular compressor diffusor, and an annular combustion casing. The combustion casing has an outer section wall, an upstream section wall, and an inner section wall. The inner section wall extends along the rotor axis and is arranged between the burner arrangement and the compressor diffusor. A shielding is attached to the inner section wall at the side facing the rotor axis with a free space in-between at least. An outer diffusor wall of the compressor diffusor extends in axial direction up to the upstream half of the shielding.
F23R 3/00 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux
F23R 3/46 - Chambres de combustion comprenant une disposition annulaire des tubes à flamme à l'intérieur d'une enveloppe annulaire commune ou d'enveloppes individuelles
F23R 3/60 - Structures de support; Moyens de fixation ou de montage
35.
METHOD FOR AGING ASSESSMENT AND IN PARTICULAR STATUS MONITORING, COMPUTER PROGRAM, AND COMPUTER-READABLE MEDIUM
A method for assessing the aging or monitoring the status of an electrical device that has a solid insulation arrangement and a liquid and/or gaseous insulating medium in contact with the solid insulation arrangement. In a first step S1, a thermo-hydraulic aging model is provided and a simulation for the electrical device is carried out. S2) local temperatures are calculated for various areas of the electrical device in the scope of the simulation; and S3) amounts of at least one aging product, which arises due to the aging of the solid insulation arrangement and passes into the insulating medium, are calculated for the various areas. There is also provided a corresponding computer program and a computer-readable medium.
A method for monitoring the state of a component, includes: creating a video showing a region of the component and assembling a specified number n of captured frames of the video by (a) parameterising the individual transformations by one vector per frame, which vector defines the relevant Euclidean transformation, and forming a matrix P which includes the individual transformation parameters in the sequence of the frames; (b) constructing a graph which represents a specified energy function E which is dependent on the intensity data G which include the intensities of the individual images, and on the matrix P of the transformation parameters; (c) minimising the specified energy function by the constructed graph, in order to determine the optimal matrix P of the transformation parameters; and (d) orienting the frames in a global coordinate system by Euclidean transformations and the previously determined optimal matrix P of the transformation parameters.
G06T 7/30 - Détermination des paramètres de transformation pour l'alignement des images, c. à d. recalage des images
H04N 7/18 - Systèmes de télévision en circuit fermé [CCTV], c. à d. systèmes dans lesquels le signal vidéo n'est pas diffusé
H04N 23/695 - Commande de la direction de la caméra pour modifier le champ de vision, p. ex. par un panoramique, une inclinaison ou en fonction du suivi des objets
37.
ELECTROLYTIC CELL FOR POLYMER ELECTROLYTE MEMBRANE ELECTROLYSIS AND METHOD FOR PRODUCTION THEREOF
The invention relates to an electrolytic cell for polymer electrolyte membrane electrolysis with a cathode half-cell and an anode half-cell, the cathode half-cell and the anode half-cell being separated from one another by means of a polymer electrolyte membrane. The cathode half-cell has a first catalyst material designed to catayse a reduction of molecular oxygen, and a second catalyst material designed to catalyae a reduction of hydrogen ions. The first catalyst material is introduced into a first catalyst layer and the second catalyst material is introduced into a second catalyst layer different from the first catalyst layer, the first catalyst layer being disposed directly adjacent to the second catalyst layer. The invention also relates to a method for producing an electrolytic cell for polymer electrolyte membrane electrolysis.
C25B 9/23 - Cellules comprenant des électrodes fixes de dimensions stables; Assemblages de leurs éléments de structure avec des diaphragmes comprenant des membranes échangeuses d'ions dans ou sur lesquelles est incrusté du matériau pour électrode
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
C25B 11/091 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Électrodes; Leur fabrication non prévue ailleurs caractérisées par le matériau Électrodes comportant des électro-catalyseurs sur un substrat ou un support caractérisées par le matériau électro-catalytique formé de plusieurs éléments catalytiques ou composés catalytiques
C25B 13/08 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Éléments d'espacement caractérisés par le matériau à base de matériaux organiques
The invention relates to a method for producing hydrocarbons including carrying out an electrolysis of water, where hydrogen and oxygen are produced and generating a carbon source, producing the hydrocarbons from the hydrogen and the carbon dioxide where at least some of the produced hydrocarbons are provided in the form of liquid hydrocarbons and an exhaust gas is formed together with the hydrocarbons. The method also includes separating the exhaust gas from the liquid hydrocarbons and recycling exhaust gas in that a reaction of the exhaust gas with the oxygen and/or water, whereby recycled products are formed which have carbon dioxide and/or carbon monoxide, water, and optionally hydrogen.
C07C 1/24 - Préparation d'hydrocarbures à partir d'un ou plusieurs composés, aucun d'eux n'étant un hydrocarbure à partir de composés organiques ne renfermant que des atomes d'oxygène en tant qu'hétéro-atomes par élimination d'eau
C07C 29/151 - Préparation de composés comportant des groupes hydroxyle ou O-métal liés à un atome de carbone ne faisant pas partie d'un cycle aromatique à six chaînons par réduction exclusivement des oxydes de carbone avec de l'hydrogène ou des gaz contenant de l'hydrogène
C10J 3/00 - Production de gaz contenant de l'oxyde de carbone et de l'hydrogène, p.ex. du gaz de synthèse ou du gaz de ville, à partir de matières carbonées solides par des procédés d'oxydation partielle faisant intervenir de l'oxygène ou de la vapeur
39.
METHOD FOR OPERATING A DC-DC CONVERTER FOR SUPPLYING AN ELECTROLYSIS DEVICE WITH ELECTRICAL OPERATING POWER
The invention relates to a method for operating a DC-DC converter for supplying an electrolysis device with electrical operating power, in which in a step at least four controllable semiconductor switching elements in an H-bridge arrangement with interphase transformers connected downstream are controlled by a predetermined control signal sequence for direct conversion of an electrical input DC voltage into an electrical output DC voltage. At least two DC voltage converter units are used, each having four controllable semiconductor switching elements in an H-bridge arrangement with interphase transformers connected downstream, the following steps being carried out: detecting a number of the DC voltage converter units, and adapting the control signal sequence to the detected number of DC voltage converter units.
H02M 3/158 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs avec commande automatique de la tension ou du courant de sortie, p.ex. régulateurs à commutation comprenant plusieurs dispositifs à semi-conducteurs comme dispositifs de commande finale pour une charge unique
C25B 9/65 - Dispositifs pour l'alimentation en courant; Connexions d'électrodes; Connexions électriques intercellulaires
40.
ELECTROLYTIC CELL FOR POLYMER ELECTROLYTE MEMBRANE ELECTROLYSIS AND METHOD FOR THE PRODUCTION THEREOF
An electrolytic cell for polymer electrolyte membrane electrolysis with a cathode half-cell and an anode half-cell is provided. The cathode half-cell and the anode half-cell being separated from one another by a polymer electrolyte membrane. The anodic half-cell has a gas diffusion layer. The gas diffusion layer is made from a fine-meshed metallic carrier material. An anodic catalyst layer with an anodic catalyst material is applied onto the polymer electrolyte membrane. The anodic catalyst layer is arranged adjacent to the gas diffusion layer, wherein a thin protective layer is applied in each case locally and selectively onto the fine-meshed carrier material in the area of the contact points between the gas diffusion layer and the adjoining anodic catalyst layer. The thin protective layer comprises iridium and/or iridium oxide so that the input of anodic catalyst material into the gas diffusion layer is inhibited.
C25B 11/032 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Électrodes; Leur fabrication non prévue ailleurs caractérisées par la configuration ou la forme perforées ou foraminées Électrodes poreuses Électrodes à diffusion de gaz
C25B 11/052 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Électrodes; Leur fabrication non prévue ailleurs caractérisées par le matériau Électrodes comportant des électro-catalyseurs sur un substrat ou un support Électrodes comportant un substrat et un ou plusieurs revêtements électro-catalytiques
C25B 13/08 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Éléments d'espacement caractérisés par le matériau à base de matériaux organiques
41.
METHOD OF POWDER BED-BASED ADDITIVE MANUFACTURING OF AN INTRICATE STRUCTURE WITH PREDETERMINED POROSITY AND POROUS FUNCTIONAL STRUCTURE
A method of powder bed-based additive manufacturing of an intricate structure is specified, wherein the structure has a predetermined porosity, wherein a multitude of parallel irradiation vectors is chosen for selective irradiation of a powder layer for the production of the structure, wherein melt pathways generated by the parallel irradiation vectors are free of overlaps and wherein the parallel irradiation vectors also run parallel to the structure to be formed thereby. Additionally specified are a computer program product and a corresponding porous functional structure.
B22F 10/366 - Paramètres de balayage, p.ex. distance d’éclosion ou stratégie de balayage
B22F 3/11 - Fabrication de pièces ou d'objets poreux
B22F 10/28 - Fusion sur lit de poudre, p.ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B22F 10/38 - Commande ou régulation des opérations pour obtenir des caractéristiques spécifiques du produit, p.ex. le lissage de la surface, la densité, la porosité ou des structures creuses
A machining apparatus which is designed for machining the outer circumference of a rotor, in particular of a gas-turbine or steam-turbine rotor, includes a plurality of separate carriages, at least one tensioning strap, wherein the carriages can be connected to one another to create an annular arrangement, and also having a tensioning device, in particular in the form of a pressure ratchet, which is designed for tensioning the tensioning strap. The carriages are each provided with preferably floating-mounted wheels, which are oriented in a direction of travel, and wherein at least one carriage has a tool carrier for accommodating a machining tool and driving it by motor. A method for machining the outer circumference of a rotor by using such a machining apparatus is provided.
B23Q 9/02 - Agencements pour le support ou le guidage d'appareils ou de machines portatifs pour le travail du métal pour fixer des machines ou des appareils aux pièces à travailler ou à d'autres pièces de formes particulières, p.ex. à des poutrelles de section particulière
F01D 25/28 - Dispositions pour le support ou le montage, p.ex. pour les carters de turbines
A high-voltage bushing includes an insulation member, an inner conductor that extends through the insulation member, and a fastening flange that is arranged externally on the insulation member. The high-voltage bushing additionally includes a retaining ring that is connected to the fastening flange, and the insulation member includes an outer projection that is arranged on the outer circumference and interlockingly cooperates with an inner projection on the retaining ring to counteract an axial force on the fastened high-voltage bushing.
A system for efficient conversion and provision of electrical energy, wherein supplied electrical current is converted into hydrogen in an electrolyzer and optionally temporarily stored in hydrogen storage. The hydrogen is converted into electrical current in a conversion stage in which offgas containing water in vapor form is emitted. The offgas is cooled using a heat pump to obtain condensate which is supplied to the electrolyzer as feed water. As a result, a supplied electrical current is decoupled from generated electrical current, wherein utilization of the process heat provided by the heat pump makes it possible to achieve high efficiency coupled with a low demand for fresh water for the electrolyzer.
A method, system, and prediction unit to predict the power demand of the power generation and distribution network to improve the utilization of power generation devices being available in such network. The method utilizes at least two time series databases, wherein the at least two time series databases contain at least an electricity load time series database and a weather forecast time series database, wherein the at least two time series databases are processed by processing unit utilizing a neural network, wherein the neural network is an autoencoder, wherein the processing unit provides a predicted power demand profile for further processing, to an user interface and/or a power generation control unit.
H02J 3/00 - Circuits pour réseaux principaux ou de distribution, à courant alternatif
G05B 13/02 - Systèmes de commande adaptatifs, c. à d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques
H02J 3/38 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs
46.
In a turbomachine, rotor structure with seal assembly and method in connection with same
A compressor rotor for turbomachinery, such as a centrifugal compressor, is provided. Disclosed embodiments include a tie bolt and a rotor shaft that cooperates with the tie bolt to define a chamber therebetween. A seal assembly is positioned to separate the chamber from a first space and a leak detector in fluid communication with the first space and operable to generate a signal indicative of leakage of a fluid from the chamber to the first space.
The invention relates to a fuel cell assembly having a plurality of fuel cells amalgamated electrically and mechanically in a fuel cell stack, further including a residual gas treatment device for hydrogen-containing and oxygen-containing residual gases of the fuel cells, wherein the residual gas treatment device includes a recombination fuel cell with catalyst and membrane that is led via a power circuit separate from the fuel cells, and to a method for treating hydrogen-containing and oxygen-containing residual gases from fuel cells.
The invention relates to a gas diffusion layer for an electrochemical cell, having a contacting unit and a metal unit which is arranged at or on the contacting unit. With respect to a main surface with a defined thickness (d), the metal unit has a plurality of projections which are substantially perpendicular to the main surface. At least one opening is formed on at least one side surface or top surface of the plurality of projections of the metal unit. Each elongation of the plurality of projections is at least three times the thickness (d) of the metal unit.
C25B 11/032 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Électrodes; Leur fabrication non prévue ailleurs caractérisées par la configuration ou la forme perforées ou foraminées Électrodes poreuses Électrodes à diffusion de gaz
C25B 11/036 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Électrodes; Leur fabrication non prévue ailleurs caractérisées par la configuration ou la forme Électrodes bipolaires
H01M 8/0254 - Collecteurs; Séparateurs, p.ex. séparateurs bipolaires; Interconnecteurs caractérisés par la forme ondulé ou dentelé
H01M 8/0258 - Collecteurs; Séparateurs, p.ex. séparateurs bipolaires; Interconnecteurs caractérisés par la configuration des canaux, p.ex. par le champ d’écoulement du réactif ou du réfrigérant
49.
COMPUTER-IMPLEMENTED CORRELATION BETWEEN MONITORING DATA AND ACCORDING INSPECTION DATA IN POWDER-BED ADDITIVE MANUFACTURING
A computer-implemented method of correlating monitoring data and post-manufacturing inspection data in powder-bed-based additive manufacturing of workpieces includes (a) providing monitoring data including anomaly detection information of a workpiece's geometry in a layerwise domain, (b) providing inspection data including defect information of the workpiece's geometry in a volumetric domain, (c) extracting a region-of-interest information from the monitoring data, and, either, (d1) transforming the defect information of the inspection data from the volumetric domain into the layerwise domain, or, (d2) transforming the anomaly detection information of the monitoring data from the layerwise domain into the volumetric domain, as well as, (e) computing a spatial overlap of the monitoring data of interest and the transformed inspection data.
B29C 64/393 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive
B29C 64/153 - Procédés de fabrication additive n’utilisant que des matériaux solides utilisant des couches de poudre avec jonction sélective, p.ex. par frittage ou fusion laser sélectif
B29C 64/268 - Agencements pour irradiation par faisceaux d’électrons [FE]
A component which was manufactured in a powder-bed production process, proceeding from a base plane. The component includes a finished part and a support structure. The finished part can be divided into an easy portion, which can be manufactured from the base plane without a support structure, and a difficult portion, which cannot be manufactured without a support structure. The support structure is connected to the easy portion by a first partial attachment and to the difficult portion by a second partial attachment. In order to simplify the subsequent processing, the first partial attachment has a plurality of connection points having an equivalent diameter of at most 1 mm.
A nickel-based alloy of carbon (C): 0.11%-0.13% chromium (Cr): 9.7%-10.5% cobalt (Co): 10.5%-12.5% molybdenum (Mo): 2.8%-3.2% titanium (Ti): 3.3%-4.3% aluminum (Al): 5.2%-5.8%, Hafnium (Hf): 1.30%-1.50%; boron (B): 013%-014%; zirconium (Zr): 0.015%-0.03%, tantalum (Ta): up to 0.05%, niobium (Nb): up to 0.01%, silicon (Si): up to 0.01%, tungsten (W): up to 0.02%, vanadium (V): up to 0.02% no rhenium (Re) and/or no ruthenium (Ru), nickel, remaining impurities up to 0.1%.
A nickel-based alloy of (in wt. %): carbon (C): 0.07%-0.09%, in particular 0.08%-0.09%, most particularly 0.08%, chromium (Cr): 9.0%-10.0%, in particular 9.3%-9.7%, most particularly 9.5%, cobalt (Co): 9.6%-10.4%, in particular 10.0%, molybdenum (Mo): 1.3%-1.5%, in particular 1.5%, tungsten (W): 3.0%-3.4%, in particular 3.2%, titanium (Ti): 1.9%-2.3%, in particular 2.1%, aluminum (Al): 5.6%-6.3%, in particular, boron (B): 0.008%-0.012%, in particular, zirconium (Zr): 0.01%-0.012%, tantalum (Ta): 1.0%-1.4%, in particular, niobium (Nb): 0.8%-1.0%, in particular 0.9%, silicon (Si): up to 0.011%, vanadium (V): 0.8%-1.0%, in particular 0.9%, hafnium (Hf): 1.2%-1.4%, in particular 1.3%, no rhenium (Re) and/or no ruthenium (Ru), nickel (Ni), in particular residual nickel (Ni), residual impurities up to 0.1%.
An ROV mateable subsea coupler (30) comprises a housing (31) having a first end and a second end and defining a hollow core. The first end of the housing is adapted to be mounted to a first wet mate connector part (21). The second end (32) of the housing is adapted to receive a second wet mate connector part. The coupler further comprises a lever arm (35) pivotally mounted to the housing, the lever arm comprising a latch (46) adapted to cooperate with a surface of a guide piece (40, 41) of the second connector part (20). The lever arm comprises a resilient member (37, 78), remote from the latch and from the second end (32) of the housing, which biases the lever arm towards a closed position, coaxial with a longitudinal axis (72) of the housing, in which position the latch protrudes through an aperture (66) in the housing.
A turbine blade includes an airfoil section, wherein at least one cooling hole is formed a tip floor of the airfoil section, which is fluidically connected to an internal coolant cavity of the airfoil section. The turbine blade further includes an additively manufactured tip cap formed via layer-by-layer deposition of material directly over the tip floor of the airfoil section. The tip cap includes at least one squealer tip rail extending outward from the tip floor. The at least one squealer tip rail comprises an embedded cooling channel formed therein. The embedded cooling channel is aligned with and fluidically connected to the at least one cooling hole formed through the tip floor of the airfoil section. The embedded cooling channel comprises one or more outlets located on at least one of a side face and a top face of the at least one squealer tip rail.
An apparatus includes a closed gas system having: a working circuit in which a compressor for a working fluid, a first heat exchanger for heating the working fluid, an expander and a second heat exchanger for cooling the working fluid are arranged; a first pressurised gas tank and a first gas pipe which branches off from the working circuit between the compressor and the first heat exchanger and opens into the first pressurised gas tank; and a second gas pipe which branches off from the first pressurised gas tank and opens into the working circuit between the expander and the second heat exchanger. A method controls pressure in a closed gas system using the apparatus.
F01K 25/00 - Ensembles fonctionnels ou machines motrices caractérisés par l'emploi de fluides énergétiques particuliers non prévus ailleurs; Ensembles fonctionnant selon un cycle fermé, non prévus ailleurs
F01K 13/00 - Dispositions générales ou processus généraux de fonctionnement des installations complètes d'ensembles fonctionnels de machines à vapeur
F02C 6/16 - Ensembles fonctionnels de turbines à gaz comportant des moyens pour emmagasiner l'énergie, p.ex. pour faire face à des pointes de charge pour emmagasiner de l'air comprimé
56.
ELECTROLYSER DEVICE AND METHOD FOR CARBON DIOXIDE REDUCTION
An electrolyser for carbon dioxide reduction, having an electrolytic cell, with a cathode gas diffusion electrode and an anode gas diffusion electrode, in which a first side of the cathode gas diffusion electrode adjoins a cathode gas chamber in a planar manner and likewise a first side of the anode gas diffusion electrode adjoins an anode gas chamber, and an electrolyte chamber common to both gas diffusion electrodes is provided, which extends from the cathode gas diffusion electrode to the anode gas diffusion electrode and is at least partially delimited by the two gas diffusion electrodes with their second sides facing away from the respectively associated gas chambers.
C25B 11/032 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Électrodes; Leur fabrication non prévue ailleurs caractérisées par la configuration ou la forme perforées ou foraminées Électrodes poreuses Électrodes à diffusion de gaz
C25B 15/08 - Alimentation ou vidange des réactifs ou des électrolytes; Régénération des électrolytes
A turbine rotor having an improved rotor tip, which has at least one cooling channel in the rotor blade, the cooling channel, in the region of its cuspidal point, having at least one locally limited constriction that is caused by a thickened portion at the end of a partition of the cooling channel.
F01D 5/18 - Aubes creuses; Dispositifs de chauffage, de protection contre l'échauffement ou de refroidissement des aubes
B23P 6/00 - Remise en état ou réparation des objets
F01D 5/00 - Aubes; Organes de support des aubes; Dispositifs de chauffage, de protection contre l'échauffement, de refroidissement, ou dispositifs contre les vibrations, portés par les aubes ou les organes de support
F01D 5/20 - Extrémités de pales spécialement façonnées en vue d'obturer l'espace entre ces extrémités et le stator
A method for weld repairing a surface of a base material, wherein the base material has spheroidal graphite cast iron, wherein firstly a partial surface is configured, in a further step a two-ply buffer layer is used by means of MIG welding with the welding additive NiFe, wherein in a further step a fill layer is applied to the buffer layer, wherein the MIG welding method is used in conjunction with NiFe-2 in accordance with EN ISO 107 as welding additive material.
The invention relates to an electrolysis plant having: a plurality of electrolysis cells which are electrically connected in series and are arranged consecutively at least in part in a stacking direction, wherein the series arrangement can be electrically coupled to an electrical power source; a cell supply unit for supplying the electrolysis cells with at least one process fluid for normal operation; and supply lines which are connected to the cell supply unit and to opposite ends of the consecutively arranged electrolysis cells. A material of the supply lines includes metal, and at least one of the supply lines includes an electrical insulating portion having a control electrode which protrudes at least partially into the interior of the electrical insulating portion. The control electrode has a catalyst material and is electrically contacted to a metal pipe section of the supply line at the anode end thereof.
C25B 9/60 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Éléments de structure des cellules; Assemblages d'éléments de structure, p.ex. assemblages d'électrode-diaphragme; Caractéristiques des cellules relatives aux procédés Éléments de structure des cellules
C25B 9/70 - Assemblages comprenant plusieurs cellules
A device and method for continuously detecting refrigerant in water, wherein the water which possibly containing refrigerant gas is fed into a vessel via a water inlet, and air is supplied to the vessel via a gas buffer, and the water is pumped out of the vessel via a pump, wherein a lower pressure is set in the vessel than in the supplied water, so that the possibly containing refrigerant gas separates from the water. Gas released from the water is fed from the vessel to a refrigerant detector, where the concentration of the refrigerant gas is measured and the gas flow exiting from the refrigerant detector is returned via a gas return line to the vessel.
A waste heat recovery system 10 is provided to (i) capture waste heat 16, such as from or within an exhaust pipe 32 of a tractor-trailer 18, (ii) extract a thermal heat value from the waste heat 16, (iii) convert the thermal heat value into electricity, and (iv) route the electricity to an electricity sink 26, such as a tractor-trailer 18 Transport Refrigeration Unit (TRU).
F01N 5/02 - Silencieux ou dispositifs d'échappement combinés ou associés à des dispositifs bénéficiant de l'énergie des gaz évacués les dispositifs utilisant la chaleur
B60H 1/00 - Dispositifs de chauffage, de refroidissement ou de ventilation
62.
GENERATING ELECTRICAL ENERGY FROM HYDROGEN AND OXYGEN
A device and method for generating electrical energy from hydrogen and oxygen, includes a combustion engine, a heat recovery steam generator connected into the exhaust gas duct of the combustion engine, wherein the heat recovery steam generator has only one pressure stage. An H2—O2 reactor is provided to which steam from the heat recovery steam generator, water, oxygen and hydrogen are fed, such that, in the H2—O2 reactor, a reaction of oxygen and hydrogen forms steam, the water that is introduced is evaporated, additional steam is generated, the resultant superheated steam is fed to a steam turbine, and a generator connected to the steam turbine provides an electric power. High-pressure feed water is injected from the heat recovery steam generator into the H2—O2 reactor via a line to control the reaction in the H2—O2 reactor in a targeted manner and set the steam exit temperature from the H2—O2 reactor.
F01K 23/10 - Ensembles fonctionnels caractérisés par plus d'une machine motrice fournissant de l'énergie à l'extérieur de l'ensemble, ces machines motrices étant entraînées par des fluides différents les cycles de ces machines motrices étant couplés thermiquement la chaleur de combustion provenant de l'un des cycles chauffant le fluide dans un autre cycle le fluide à la sortie de l'un des cycles chauffant le fluide dans un autre cycle
F01B 23/10 - Adaptations pour la commande des générateurs électriques ou combinaisons avec ceux-ci
F22B 1/00 - Méthodes de production de vapeur caractérisées par le genre de chauffage
F22D 1/00 - Appareils de chauffage d'eau d'alimentation, p.ex. préchauffeurs
F22G 1/16 - Surchauffe de la vapeur caractérisée par la méthode de chauffage en employant une source de chaleur séparée, indépendante de la chaleur fournie à la chaudière, p.ex. par électricité, combustion auxiliaire de mazout
F22G 5/16 - Commande de la température de surchauffe par refroidissement ou chauffage indirect de la vapeur surchauffée dans un échangeur auxiliaire incorporé dans le circuit
63.
DRONE HAVING FLIGHT-DIRECTION-DEPENDENT SENSOR ORIENTATION FOR AUTONOMOUS DRONE APPLICATIONS, AND METHOD FOR AVOIDING COLLISIONS
A drone includes a body and motors or drives on the body which allow the drone to fly. The drone has two sensors, for steering and for avoiding collisions, and the sensors are each mounted on a servo. The drone also has a camera. A method for avoiding collisions of the drone includes the combination of two detectable 180° hemispheres of the two sensors such that the entire surroundings of the drone is detectable.
B64U 20/87 - Montage des dispositifs d’imagerie, p. ex. montage des suspensions à cardan
B64U 20/70 - Caractéristiques de construction du corps du véhicule aérien sans pilote
B64U 101/30 - Véhicules aériens sans pilote spécialement adaptés à des utilisations ou à des applications spécifiques à l’imagerie, à la photographie ou à la vidéographie
G01S 13/931 - Radar ou systèmes analogues, spécialement adaptés pour des applications spécifiques pour prévenir les collisions de véhicules terrestres
G01S 15/931 - Systèmes sonar, spécialement adaptés à des applications spécifiques pour prévenir les collisions de véhicules terrestres
G01S 17/931 - Systèmes lidar, spécialement adaptés pour des applications spécifiques pour prévenir les collisions de véhicules terrestres
H04N 23/695 - Commande de la direction de la caméra pour modifier le champ de vision, p. ex. par un panoramique, une inclinaison ou en fonction du suivi des objets
An electrolysis device is provided. The electrolysis device includes a plurality of electrolysis cells that are electrically connected in series and are arranged successively at least partly in a stack direction, where the series connection is electrically couplable to an electrical energy source. The electrolysis device also includes a cell supply unit for supplying the electrolysis cells with at least one operating material and supply conduits connected to the cell supply unit and to opposite ends of the successively arranged electrolysis cells, where a negative electric potential of the electrical energy source is electrically couplable to an electric reference potential of the cell supply unit.
A sealing strip element for sealing a gap between two components of a gas-turbine installation, and extends along a longitudinal direction and has a contoured cross section in a ribbed central region. The sealing strip element extends along the longitudinal direction, wherein at least one of the first main surface and the second main surface includes a riffle structure, wherein the riffle structure has multiple teeth extending substantially from the first strip end to the second strip end along a substantially straight line while establishing chutes between them, wherein at least one dam is provided at at least one strip end of the sealing strip element.
The invention relates to an electrolysis device including a plurality of electrolysis cells which are electrically connected in series and which are arranged at least partly successively in a stacking direction in a cell stack, where the series connection can be electrically coupled to an electrical energy source. A cell supply unit for supplying at least one operating medium to the electrolysis cells in normal operation and supply lines connected to the cell supply unit and to the cell stack, where a material of the supply lines include metal. The supply lines are connected to a first end of the cell stack so that the first end of the cell stack is electrically coupled to the cell supply unit, where the first end of the cell stack can be coupled to a negative electrical potential of the electrical energy source.
A method is provided for the computer-aided open-loop and/or closed-loop control of the operation of an energy generation system. The method may include: creating a simulation model of the energy generation system; providing an efficiency calculation module that is designed to calculate the expected thermal and electrical efficiency of the energy generation system based on the created simulation model and using predefined operating parameters; applying a learning and/or optimization method to the provided efficiency calculation module using previously obtained known operating data of the energy generation system and/or based on simulation data obtained by the simulation model such that the operation of the energy generation system is optimized in terms of at least one thermal and/or electrical operating parameter in line with a target specification; creating a control strategy for the energy generation system on the basis of the trained efficiency calculation module; and operating the energy generation system using the created control strategy.
F01K 23/10 - Ensembles fonctionnels caractérisés par plus d'une machine motrice fournissant de l'énergie à l'extérieur de l'ensemble, ces machines motrices étant entraînées par des fluides différents les cycles de ces machines motrices étant couplés thermiquement la chaleur de combustion provenant de l'un des cycles chauffant le fluide dans un autre cycle le fluide à la sortie de l'un des cycles chauffant le fluide dans un autre cycle
A power generation system includes a reactor operable to produce a flow of hydrogen and a flow of steam in response to the receipt of a flow of reactant mixture. A combustor is operable to produce a flow of combustion gas in response to the receipt of the flow of hydrogen and a first portion of the flow of steam, a turbine is operable to produce rotation of a first shaft in response to the receipt of the flow of combustion gas, and a steam turbine is operable to produce rotation of a second shaft in response to the receipt of a second portion of the flow of steam.
F01K 21/04 - Ensembles fonctionnels de machines motrices à vapeur non prévus ailleurs utilisant un mélange de vapeur et de gaz; Ensembles fonctionnels produisant ou surchauffant de la vapeur en mettant en contact direct l'eau ou la vapeur avec des gaz chauds
F01K 23/14 - Ensembles fonctionnels caractérisés par plus d'une machine motrice fournissant de l'énergie à l'extérieur de l'ensemble, ces machines motrices étant entraînées par des fluides différents les machines motrices étant couplées mécaniquement comprenant au moins un moteur à combustion
An aerofoil for a gas turbine engine comprises a suction side wall, a pressure side wall, a leading edge (215) and a trailing edge (216). The suction side wall (212) and the pressure side wall (213) extend from a first end to a second end and meet to define the leading edge and the trailing edge. The suction side wall (212) and pressure side wall (213) further comprise cooling passages (218c) within the wall thickness of the aerofoil walls (217), the cooling passages comprising hollow triangular passages (218c).
The present invention relates to the generation of an electrolysis product, in particular to an electrolysis system and a method for generating the electrolysis product. A plurality of electrically intercoupled electrolysis units are provided. Each of the electrolysis units includes (i) an electrolysis assembly having a plurality of electrolysis cells configured to, upon provision of a direct current, generate the electrolysis product from a supply medium, and (ii) a photovoltaic assembly electrically coupled to the electrolysis assembly for providing the electrolysis cells with direct current generated from incident electromagnetic radiation.
A transition of a combustion section of a gas turbine includes a bulge and an exit frame and a channel wall in-between. A flow channel crosses the transition from an upstream end to a downstream end. The transition includes at the outer side of the channel wall an uneven surface with dents and troughs to improve the heat transfer without lowering the stream of cooling air.
A combustion chamber of a gas turbine, wherein downstream of the combustion chamber an expansion turbine with a turbine inlet is arranged. The combustion chamber has an annular design with a component, which has a chamber wall and an end wall arranged next to the turbine inlet and a corner as connection of the chamber wall and the end wall. To increase the cooling performance the component further has an air guidance piece arranged at a distance from the chamber wall with a cooling channel in-between. Further, the corner is fluid tight, wherein the distance of the air guidance piece to the end wall is at least 0.5-times and at most 2-times the lowest width of the cooling channel.
By using an accumulator which is charged by a generator upon starting up a steam turbo set, the steam turbo set can be started up more quickly. Energy generation plant, which has at least: a steam turbine and a generator, wherein the generator can be driven at least by the steam turbine, and optionally a gas turbine, which also the generator can drive, the generator electricity for electrical and can generate networks, with an electrical storage device, in particular an accumulator, which can optionally be connected to the generator in order to be charged, in particular when the generator is not connected to the electrical network.
F01D 15/10 - Adaptations pour la commande des générateurs électriques ou combinaisons avec ceux-ci
F01K 23/16 - Ensembles fonctionnels caractérisés par plus d'une machine motrice fournissant de l'énergie à l'extérieur de l'ensemble, ces machines motrices étant entraînées par des fluides différents les machines motrices étant couplées mécaniquement toutes les machines motrices étant des turbines
74.
GENERATOR UNIT AND METHOD FOR OPERATING A GENERATOR UNIT IN A POWER PLANT
A generator unit as a component of a power plant connected to the electrical grid, includes a first generator with a rotor connected to a drive turbine via a shaft, a second generator and a three-winding high-voltage transformer. The first generator is an active power generator and the second generator is a purely reactive power generator, and the first and the second generators are connected to the electrical grid via a separate generator output line and via the three-winding high-voltage transformer.
H02J 3/18 - Dispositions pour réglage, élimination ou compensation de puissance réactive dans les réseaux
H02J 3/38 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs
H02J 3/48 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs contrôlant la répartition de puissance entre les générateurs, convertisseurs ou transformateurs contrôlant la répartition de la composante en phase
H02J 3/50 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs contrôlant la répartition de puissance entre les générateurs, convertisseurs ou transformateurs contrôlant la répartition de la composante déphasée
75.
POWER PLANT SYSTEM AND METHOD OF OPERATING THE SAME
Power plant system and method of operating the same, the power plant system having a solid oxide fuel cell and a gas turbine, wherein the fuel cell and the gas turbine are set up such that compressed charge air of a compressor of the gas turbine can be provided to the fuel cell and/or an exhaust gas of the fuel cell can be provided to a combustion chamber of the gas turbine, wherein the system is configured such that the solid oxide fuel cell can be operated in a cell mode as well as in an electrolysis mode and wherein the solid oxide fuel cell is set up such that an excess grid energy is used for executing an electrolysis in the electrolysis mode of the fuel cell and thereby to chemically reduce water and/or carbon dioxide into hydrogen and/or syngas.
F02C 3/34 - Ensembles fonctionnels de turbines à gaz caractérisés par l'utilisation de produits de combustion comme fluide de travail avec recyclage d'une partie du fluide de travail, c. à d. cycles semi-fermés comportant des produits de combustion dans la partie fermée du cycle
F02C 6/18 - Utilisation de la chaleur perdue dans les ensembles fonctionnels de turbines à gaz à l'extérieur des ensembles eux-mêmes, p.ex. ensembles fonctionnels de chauffage à turbine à gaz
H01M 8/0612 - Combinaison d’éléments à combustible avec des moyens de production de réactifs ou pour le traitement de résidus avec des moyens de production des réactifs gazeux à partir de matériaux contenant du carbone
An improved ceramic material for heat insulation is achieved by the following selection of specific stabilizers and the adapted proportions: Base of zirconium dioxide (ZrO2) with: 1.0 wt. % to 9.0 wt. % of base stabilizers: yttrium oxide (Y2O3), hafnium oxide (HfO2), wherein at least yttrium oxide (Y2O3) is used, and at least one of the additional stabilizers: erbium oxide (Er2O3) and/or ytterbium oxide (Yb2O3) with a proportion of 0.2 wt. % to 20 wt. %.
A ring segment for a gas turbine engine includes a forward mate face with respect to a circumferential flow component of a working fluid of the gas turbine engine, an aft mate face opposite to the forward mate face, an arcuate body extending between the forward mate face and the aft mate face, the arcuate body having a first surface facing to the working fluid and a second surface opposite to the first surface. The first surface includes an arcuate surface extending from the aft mate face toward the forward mate face, the arcuate surface having an arcuate cross section taken in a section plane that is normal to a central axis of the gas turbine engine, and a chamfered surface extending from the forward mate face toward the aft mate face, the chamfered surface having a non-arcuate cross section taken in the section plane.
A process for operating an electrolysis apparatus for splitting water at both high and low ambient temperatures includes providing at least one electrolysis unit including at least one electrolytic cell and having at least one inlet opening for a first reactant stream and at least one outlet opening for a first product stream, producing the first product stream from the first reactant stream in the electrolysis unit, separating the product stream into water and gas streams, and cooling the water stream in at least one obliquely-oriented cooling apparatus dissipating the heat of the water stream directly to the environment. The cooling of the water stream is interrupted if the electrolysis unit is shutdown or the electrolysis unit is in standby operation. The ambient temperature is detected and, if the ambient temperature is below 1°, the water stream is emptied from the cooling apparatus into a liquid storage device.
A rotor of a gas turbine having two adjacent rotor discs, on each of which moving blades are fastened, an annular rotor component being arranged between the rotor discs and having at its opposite ends circumferential annular grooves, in each of which a circumferential fastening projection on the respective rotor disc engages. When the rotor is stationary a first outer flank of the first annular groove rests under pressure against a first outer flank of the first fastening projection and there is play between a first inner flank of the first annular groove and a first inner flank of the first fastening projection.
F01D 5/00 - Aubes; Organes de support des aubes; Dispositifs de chauffage, de protection contre l'échauffement, de refroidissement, ou dispositifs contre les vibrations, portés par les aubes ou les organes de support
F01D 5/30 - Fixation des aubes au rotor; Pieds de pales
80.
INSULATING FLUID MONITORING BLOCK AND MOUNTING METHOD
An insulating fluid monitoring block includes an insulating fluid channel. The insulating fluid channel is connected through a branch channel to a cutout. A sensor element is at least partly disposed in the cutout. The sensor element serves for monitoring an insulating fluid. A mounting method for an insulating fluid monitoring block is also provided.
A nickel-based alloy, having (in wt. %): carbon(C): 0.09%-0.13%; chromium(Cr): 19.0%-21.5%; cobalt(Co): 18.0%-20.0%; molybdenum(Mo): 0.5%-1.5%; tungsten(W): 2.0%-3.0%; titanium(Ti): 2.0%-3.0%; aluminum(Al): 2.2%-3.0%; boron(B): 0.008%-0.012%; zirconium(Zr): 0.0025%-0.01%; tantalum(Ta): 2.0%-4.0%; niobium(Nb): 1.2%-2.0%; optionally silicon(Si): up to 0.02%; manganese(Mn): up to 0.01%; yttrium(Y): 0.0025%-0.01%; yttrium oxide(Y2O3): 0.75%-1.25%; vanadium(V): up to 0.01%; hafnium(Hf): up to 0.01%, silver(Ag): up to 0.005%; lead(Pb): up to 0.0003%; iron(Fe): up to 0.02%; copper(Cu): up to 0.01%; selenium(Se): up to 0.0003%; oxygen(O): up to 0.015%; phosphorus(P): up to 0.005%; sulfur(S): up to 0.001%; gallium(Ga): up to 0.001%; bismuth(Bi): up to 0.0001%; nitrogen(N): up to 0.008%; magnesium(Mg): up to 0.007%; tellurium(Te): up to 0.00005%; thallium(Tl): up to 0.0005%; calcium(Ca): up to 0.0001%; potassium(K): up to 0.0001%, residual impurities: up to 0.1%.
A premixer injector in a gas turbine engine includes an inlet end, an outlet end, a first wall and a second wall between the inlet end and the outlet end. The first wall has a plurality of apertures circumferentially separated around the first wall and axially separated along the first wall. Each aperture passes through the first wall. A premixer duct is defined by an interior of the first wall. The second wall at least partially surrounds the first wall. A secondary duct is defined between the first wall and the second wall.
A turbine vane in a gas turbine engine includes an inner platform, an outer platform, and a vane airfoil positioned therebetween. The vane airfoil includes a first cooling passage extending between the outer platform and the inner platform, and a second cooling passage extending between the outer platform and the inner platform. The second cooling passage is arranged downstream of the first cooling passage with respect to a flow direction. The turbine vane includes a jumper tube disposed between the second cooling passage and the inner platform. The jumper tube includes an inlet, an outlet, and a tube wall enclosing a hollow interior. The inlet is positioned a distance within the second cooling passage. The outlet is positioned at least partially through an aperture of the inner platform.
A switch, includes electrical contacts separated by a contact gap, a tubular guide disposed around at least one of the electrical contacts axially movable between an open position retracted from the contact gap and a closed position bridging the contact gap, a blast cylinder disposed radially outward of the tubular guide and defining a compression volume therebetween, the blast cylinder axially movable in coordination with the tubular guide between the open position and the closed position, an isolating ring coupled to a tubular guide end, and a blast cylinder bottom ring coupled to a blast cylinder end, the blast cylinder bottom ring and the isolating ring configured to engage each other to form a gas seal to prevent a gas from exiting the contact gap into the compression volume when the blast cylinder and the tubular guide are moved to the closed position.
A turbine blade includes a platform, a blade airfoil attached to one side of the platform, a blade root attached to the other side of the platform, a manifold attached to the blade root. The blade root defines a first cooling passage and a second cooling passage. The manifold includes an outer wall, a first compartment having a first flow area defined by a first aperture formed at the outer wall, and a second compartment having a second flow area defined by a second aperture formed at the outer wall. The first compartment meters a non-zero first flow of cooling air to the first cooling passage through the first flow area. The second compartment meters a non-zero second flow of cooling air to the second cooling passage through the second flow area that is different than the first flow area.
A current transformer arrangement for a gas-insulated switchgear is provided. The current transformer arrangement includes an adapter having a housing, the housing defining a first end connection opening, a second end connection opening and a hollow interior, a current conductor passing through the hollow interior of the adapter, and an annular current transformer core surrounding an exterior of the housing for measuring a current of the current conductor.
An assembly contains a disconnecting device for a surge-arresting device. A first contact and a second contact of the disconnecting device are connected by a first path having a switching element which can be thermally tripped. A second path is disposed electrically in parallel with the first path. An impedance element is disposed in the second path. A spark gap is disposed in the first path.
A method for providing CAM manufacturing instructions for the powder-bed-based additive manufacturing of a component wherein a geometry of the component, with a solid material region, a transition region, and a porous component region, is defined on the basis of CAD data. Irradiation parameters for the manufacturing of the component, including an irradiation power, a scanning speed, a scanning pitch, and a layer thickness, are varied within the transition region in such a way as to form a porosity gradient of the structure of the component between the solid material region of the component and the porous component region.
B22F 10/38 - Commande ou régulation des opérations pour obtenir des caractéristiques spécifiques du produit, p.ex. le lissage de la surface, la densité, la porosité ou des structures creuses
B22F 10/28 - Fusion sur lit de poudre, p.ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B22F 10/366 - Paramètres de balayage, p.ex. distance d’éclosion ou stratégie de balayage
B22F 5/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser
90.
IRRADIATION STRATEGY IN ADDITIVE MANUFACTURING WITH PULSED IRRADIATION
A method for powder-bed-based additive manufacturing of a component, includes setting irradiation vectors for a layer to be irradiated for the component, wherein, irradiation vectors are irradiated below a length of 1 mm in a pulsed irradiation operation; and a pulse frequency below 3 kHz and a scan speed below 250 mm/a are selected. A correspondingly manufactured component is produced.
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. (Allemagne)
Inventeur(s)
Bauer, Maris
Friederich, Fabian
Hansmann, Daniel
Jonuscheit, Joachim
Krane, Stefan
Mashkin, Andrey
Pohlmann, Friedhelm
Rohr, Claus
Abrégé
A method and testing device for the non-destructive testing of at least partial regions of an insulation of a stator winding of an electric machine, in particular a generator of a high-voltage motor, wherein the non-destructive testing is carried out in situ at the installation site of the electric machine using terahertz measurement technology.
G01N 21/3581 - Couleur; Propriétés spectrales, c. à d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p.ex. spectrométrie d'absorption atomique en utilisant la lumière infrarouge en utilisant un rayonnement térahertz
G01N 21/95 - Recherche de la présence de criques, de défauts ou de souillures caractérisée par le matériau ou la forme de l'objet à analyser
A trip device for a power circuit breaker has a trip element, a trip circuit with a trip coil, which, when energized, is configured to effect a movement of the trip element, and at least one electrical delay element, which can be connected to the trip circuit and reduces the rate of a rise in a current flowing in the trip coil once the trip circuit has been closed and/or delays a rise in a current flowing in the trip coil once the trip circuit has been closed.
Various teachings of the present disclosure include an electrical switching device. The device may include: two contactable conductor elements with adjustable spacing set by a movement apparatus; and a housing defining a switching chamber and at least partially surrounding the at least two conductor elements. The housing has an insulator body and regions of an electrical contact. The housing includes an external refraction-controlling coating with a dielectrically insulating matrix made of a material with a permittivity εr>/=2.
A multi-stage compressor assembly is disclosed. Each of the stages of the compressor assembly has rows of blades arranged to rotate in counter-opposite directions, and this is effective to produce relatively high specific work, and high flow-capacity in a compact footprint at moderate blade tip speeds. In one non-limiting application, the compressor assembly can be utilized to compress a gas having a low-molecular weight and density, such as hydrogen.
A turbine blade includes a blade platform, a blade airfoil that extends from the blade platform toward a blade tip, the blade airfoil having a pressure side wall and a suction side wall joined at a blade leading edge and a blade trailing edge, a tip cap surface defined at an end of the blade airfoil facing the blade tip, a squealer tip wall that extends along a portion of the pressure side wall and a portion of the suction side wall from the tip cap surface to the blade tip and from the blade leading edge toward the blade trailing edge, and a chamfered surface formed as a part of the squealer tip wall at a region that is adjacent to the blade trailing edge.
A fuse assembly is formed with a receiving chamber. The receiving chamber is used for receiving a surge arrester indicator. The receiving chamber is a fireproof chamber and the surge arrester indicator is arranged in the fireproof receiving chamber.
A connector assembly (30) for use in subsea environments comprises a plug (32) and a receptacle (34) generally arranged about a longitudinal axis (36). The plug (32) comprises a plug body (38) through which a down hole gauge cable (40) extends. The receptacle (34) comprises a receptacle body (42) and through which a supply cable (44) extends for connection with the down hole gauge cable (40). The plug (32) and the receptacle (34) are secured together via a securing nut (48). The plug (32) and the receptacle (34) are in contact and form a primary seal (70). A rotary test adaptor (46) is located radially outwardly of and is sealed against an outer surface (110) of the plug body (38) and is located radially inwardly of and is sealed against a radially inner surface (108) of the securing nut (48). The rotary test adaptor (46) comprises an outer surface (51) and an inner surface (116) and a test port (50), the test port (50) extends through the rotary test adaptor (46) from the outer surface (51) to the inner surface (116) and is in fluid communication with the primary seal (70).
H01R 13/523 - Boîtiers protégés contre la poussière, les projections, les éclaboussures, l'eau ou les flammes pour l'emploi sous l'eau
H01R 43/26 - Appareils ou procédés spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation de connecteurs de lignes ou de collecteurs de courant ou pour relier les conducteurs électriques pour engager ou séparer les deux pièces d'un dispositif de couplage
A rotor assembly, especially for a gas turbine, includes at least a first rotor disc and a second rotor disc, the two rotor discs are arranged directly next to each other. The first rotor disc has a center through hole and the second rotor disc has no center through hole but a rotor disc center. A flow restrictor assembly which restricts the effective flow cross section of the center through hole of the first disc is used to control or to adjust the cooling air through gaps of a form-fitting torque transmitting device.
F01D 5/06 - Rotors à plus d'un étage axial, p.ex. du type à tambour ou à disques multiples; Leurs parties constitutives, p.ex. arbres, connections des arbres
F01D 5/08 - Dispositifs de chauffage, de protection contre l'échauffement ou de refroidissement
A guide vane in a gas turbine engine includes an inner platform, an outer platform, and an airfoil extending therebetween. Side surfaces of the inner platform and outer platform between an adjacent guide vane define a first seal slot, a second seal slot, and a third seal slot forming a closed loop having three corners. At least one of the corners is rounded. The guide vane includes tubulator ribs and pin fins disposed in an airfoil interior. The pin fins are disposed in a region of the trailing edge. The inner platform defines film cooling holes disposed at an outer surface facing the airfoil. The film cooling holes are arranged in a fan shape. An inner surface of the inner platform and an outer surface of the outer platform include impingement cooling ribs. The inner platform protrudes further towards upstream in a flow direction than the outer platform.
A method of controlling a combustor of a gas turbine engine is disclosed. The method comprising the steps supplying a total fuel quantity to the combustor dependent on a load of the gas turbine engine, the total fuel quantity is split into a pilot fuel quantity and a main fuel quantity via a pilot fuel split, monitoring at least one signal of at least one condition of the gas turbine engine, generating a steady state value of the at least one signal indicative of a steady state of the gas turbine engine, detecting a change in the at least one signal from the steady-state value. When the change in the at least one signal from the steady state value exceeds a predetermined limit, the method applies the steps generating a transient split offset for the pilot fuel split from a look-up table and applying the transient split offset to the pilot fuel split while maintaining the total fuel quantity being supplied at any point in time.
F02C 9/34 - Commande combinée des débits des alimentations séparées des brûleurs principaux et secondaires
F02C 7/228 - Division du fluide entre plusieurs brûleurs
F02C 9/28 - Systèmes de régulation sensibles aux paramètres ambiants ou à ceux de l'ensemble fonctionnel, p.ex. à la température, à la pression, à la vitesse du rotor
F23R 3/34 - Alimentation de différentes zones de combustion
brevets
