The present invention relates to catalyst pastes for electrolyzers and to membrane electrode assemblies comprising such a catalyst paste and to a method of producing such a catalyst paste, in particular in order to provide improved flow characteristics for the processing and use thereof. What is accordingly proposed is a catalyst paste for an electrolyzer, comprising an organic solvent, a polymer-based binder, and particulate catalyst material. According to the invention, the catalyst paste comprises styrene-maleic anhydride (SMA).
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
C25B 9/23 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages 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 11/04 - ÉlectrodesLeur fabrication non prévue ailleurs caractérisées par le matériau
A method for hydrocarbon synthesis is disclosed. The method comprises performing a first reaction in the form of a reaction of methanol over a zeolite catalyst; and performing a second reaction in the form of a regeneration of particles of the zeolite catalyst comprising coke and/or coke precursors, by oxidation substantially in the absence of nitrogen. Furthermore, a system for carrying out the method is disclosed.
The invention relates to a base frame (1) for a turbine system (2). The base frame (1) is manufactured at least partially in a lightweight construction, wherein the lightweight construction is formed by a honeycomb structure (3). The invention further relates to a turbine system (2) which comprises such a base frame (1) and on which at least one steam turbine (7) and a generator (8) are mounted.
F01D 25/28 - Dispositions pour le support ou le montage, p. ex. pour les carters de turbines
F16M 1/04 - Châssis, carters ou carcasses pour moteurs, machines ou appareilsChâssis servant de bâtis de machines pour moteurs rotatifs ou machines similaires
A probe for measuring a flow parameter of a working fluid of a gas turbine engine includes a probe base, a probe head, and a probe body extending radially therebetween. A plurality of steady measurement channels extend from the probe base into the probe head. A plurality of steady measurement ports are defined at the probe head. Each steady measurement port is coupled to one steady measurement channel and is in flow communication with a steady pressure sensor to measure a steady pressure of the working fluid. A fast response measurement channel extends from the probe base into the probe head and coupled to a fast response measurement port defined at the probe head. A fast response pressure sensor is positioned within the fast response measurement channel to measure an instantaneous pressure of the working fluid at a fast response frequency.
7. The invention is about an electrochemical energy conversion system (1), with electrochemical cells (2), each electrochemical cell (2) comprising a membrane electrode assembly (3) arranged between a cathodic gas diffusion layer (4) and an anodic gas diffusion layer (5) and on front sides (6) surrounded by a frame (7) and enclosed between bipolar plates (8), the electrochemical cells (2) being compressed between first and second end plates (9, 10) by means of tie rods (11), wherein a pressure unit (12) is arranged between the second end plate (10) and a third end plate (13) opposite the first end plate (9) in relation to the second end plate (10), the pressure unit (12) comprising a piston (14) that acts on the electrochemical cells (2) through an opening (15) in the second end plate (10) and the directly neighbouring bipolar plate (8), the piston (14) having an attachment (16) for different pressure profiles.
2222) is transferred from the cathode chamber (5) through the membrane (7) into the anode chamber (3). In the process, the current density (j) is varied and the hydrogen permeation rate (I) through the membrane (7) is determined on the basis of the current density (j) and according to the water transport (II) from the anode chamber (3) through the membrane (7) into the cathode chamber (5). The invention also relates to a corresponding electrolyser (10a) which is designed to carry out the method.
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
C25B 9/19 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure avec des diaphragmes
C25B 9/23 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages 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 15/02 - Commande ou régulation des opérations
C25B 15/023 - Mesure, analyse ou test pendant la production électrolytique
C25B 9/77 - Assemblages comprenant plusieurs cellules du type filtre-presse avec diaphragmes
7.
EXHAUST STEAM HOUSING FOR AN EXPANSION TURBINE, AND METHOD FOR OPERATING THE EXPANSION TURBINE
The invention relates to an exhaust steam housing (1) for an expansion turbine, comprising an inner diffuser with a substantially concave inner wall (2) and a substantially convex outer wall (3). Between the concave inner wall (2) and the convex outer wall (3) is a flow channel (4), by means of which the working fluid of the expansion turbine can be deflected by 90° and guided to an outer diffuser of the exhaust steam housing (1). A displaceable guide plate (5) is provided inside the inner diffuser. The invention further relates to a method for operating such an expansion turbine having an exhaust steam housing (1).
F01D 25/30 - Têtes d'évacuation, chambres ou parties analogues
F01D 17/14 - Organes de commande terminaux disposés sur des parties du stator faisant varier l'aire effective de la section transversale des injecteurs ou tuyères de guidage
The invention relates to a switch (1) for bypassing a submodule of a current converter, wherein the switch (1) has a first contact element (5) and a second contact element (7) which lies opposite the first contact element (5) along a contacting direction (9) and is spaced apart from the first contact element (5), wherein the two contact elements (5, 7) are immovable relative to one another, and wherein a closing plunger (27) is provided, which, in a separated position (3), is held in a channel (11) in the first contact element (5) and, in a contact position (97), protrudes from the first contact element (5) into the second contact element (7) and electrically conductively interconnects the two contact elements (5, 7), wherein a detonative propellant charge (37) is provided in order to move the closing plunger (27) out of the separated position (3) and into the contact position (97). In order to allow the switch (1) to be closed quickly and safely, the closing plunger (27) is composed of a sabot (31) and an electrically conductive connecting element (33), wherein, at least in the separated position (3), the sabot (31) faces the detonative propellant charge (37) and the connecting element (33) faces the second contact element (7).
The invention relates to an energy machine comprising at least a plurality of components, of which at least one or more come into contact with hydrogen, wherein the hydrogen-carrying components have removable miniature specimens (44) or the hydrogen-carrying components are configured such that test specimens can be removed without restricting functionality.
F01D 21/00 - Arrêt des "machines" ou machines motrices, p. ex. dispositifs d'urgenceDispositifs de régulation, de commande ou de sécurité non prévus ailleurs
10.
APPARATUS AND METHOD FOR THE OPERATIONAL INVESTIGATION OF HYDROGEN EMBRITTLEMENT
The invention relates to an energy machine (1) comprising at least a plurality of components that come into contact with hydrogen, wherein test apparatuses (40, 40') are provided in the vicinity of the energy machine (1), in which test specimens (44, 44') are present that can be subjected to the gases actually used during operation via supply lines (41, 42), and which comprise heating devices that can heat the test specimens (44, 44').
F02C 3/20 - Ensembles fonctionnels de turbines à gaz caractérisés par l'utilisation de produits de combustion comme fluide de travail utilisant un combustible, un oxydant ou un fluide de dilution particulier pour produire les produits de combustion
F02C 3/22 - Ensembles fonctionnels de turbines à gaz caractérisés par l'utilisation de produits de combustion comme fluide de travail utilisant un combustible, un oxydant ou un fluide de dilution particulier pour produire les produits de combustion le combustible ou l'oxydant étant gazeux aux température et pression normales
F01D 21/00 - Arrêt des "machines" ou machines motrices, p. ex. dispositifs d'urgenceDispositifs de régulation, de commande ou de sécurité non prévus ailleurs
G01M 15/14 - Test des moteurs à turbine à gaz ou des moteurs de propulsion par réaction
11.
ELECTROLYSIS CELL, ELECTROLYZER, AND METHOD FOR PRODUCING AN ELECTROLYSIS CELL
The invention relates to an electrolysis cell (2) for use in an electrolyzer for electrochemically decomposing water into hydrogen and oxygen, comprising a membrane/electrode unit (10) having a membrane (4) and, lying on both sides of the membrane (4), an anode catalyst (6) and a cathode catalyst (8); a cell frame (12) for clamping at least the membrane (4); at least one gas diffusion layer (20); and a soft element (18), which is provided between the membrane/electrode unit (10) and the gas diffusion layer (20). In order to prevent or at least minimize the formation of wrinkles in the membrane, a stabilizing layer (16) is also provided, which is situated between the soft element (18) and the membrane/electrode unit (10), the stabilizing layer (16) having a higher bending stiffness than the soft element (18).
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
C25B 9/23 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages 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 9/77 - Assemblages comprenant plusieurs cellules du type filtre-presse avec diaphragmes
C25B 11/052 - Électrodes comportant un substrat et un ou plusieurs revêtements électro-catalytiques
C25B 11/054 - Électrodes comportant des électro-catalyseurs sur un support
C25B 11/056 - Électrodes comportant des électro-catalyseurs sur un substrat ou un support caractérisées par le matériau du substrat ou du support constitué d'une matière textile ou non tissée
C25B 11/063 - Métal valve, c.-à-d. dont l’oxyde est semi-conducteur, p. ex. titane
12.
METHOD OF OPERATING AN ELECTROLYSIS SYSTEM, CONTROL UNIT TO CONTROL AN ELECTROLYSIS SYSTEM, ELECTROLYSIS SYSTEM WITH SUCH A CONTROL UNIT, COMPUTER PROGRAM PRODUCT AND A COMPUTER-READABLE STORAGE MEDIUM
Method of operating an electrolysis system (2) where-in the method comprising the steps of: (S100) reading in a signal (S) for a faulty stack (12), (S200) providing a control signal (CS1) in order to bypass the faulty stack (12), (S300) providing a second control signal (CS2) in order to provide a first voltage adapted to the n-1 row (6b) with the faulty stack (12), and (S400) providing a third control signal (CS3) in order to provide a second voltage adapted to the n row (6a) without the faulty stack (12).
The invention relates to a turbine hot-gas component (1) designed to be cooled via film cooling during as-intended operation, wherein the component (1) has a distributor channel (2) for a cooling fluid (F) and a wall (3) that is to be cooled, wherein the wall (3) has film cooling channels (4) which are fluidically connected to the distributor channel (2), and wherein the component (1) has a respective blind hole (5) which is located toward the inside in an extension of the film cooling channels (4) and which is connected to the latter. The invention further relates to a method for producing fluid outlet openings (8) on a surface of the turbine hot-gas component (1), wherein the film cooling channels (4) are covered with a thermal barrier coating (6), and wherein the method comprises mechanical machining, in particular reopening, of the film cooling channels (4) of the wall (3) by means of a material-removal tool (10), in such a way that the tool (10) can be applied without bending.
The invention relates to a local repair of an hollow (4) of metallic component (1), wherein the hollow (4) is filled out (10) using the cold metal fusion process.
B22F 1/102 - Poudres métalliques revêtues de matériaux organiques
B22F 7/06 - Fabrication de couches composites, de pièces ou d'objets à base de poudres métalliques, par frittage avec ou sans compactage de pièces ou objets composés de parties différentes, p. ex. pour former des outils à embouts rapportés
F01D 5/00 - AubesOrganes de support des aubesDispositifs de chauffage, de protection contre l'échauffement, de refroidissement, ou dispositifs contre les vibrations, portés par les aubes ou les organes de support
B22F 1/05 - Poudres métalliques caractérisées par la dimension ou la surface spécifique des particules
B22F 5/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser
B22F 5/04 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser d'aubes de turbines
15.
METHOD OF DESIGNING A TPMS-BASED LATTICE SUPPORT STRUCTURE FOR POWDER BED ADDITIVE MANUFACTURING AND RELATED SUPPORT STRUCTURE
A method of designing a support structure (1) for powder bed fusion additive manufacturing is presented, the support structure (1) comprising a triply periodic minimal surface (TPMS), wherein the method makes use of a lattice optimization algorithm (LO), with a lattice cell size (l) as an optimization variable, wherein an absolute lattice feature size (t) is chosen as a design constant, and a relative lattice feature size (t') is taken as a model function depending on a lattice volume fraction (𝜉), the method further comprising adjusting a lattice volume fraction (𝜉) within the optimization routine. Moreover, a support structure manufactured by a related additive manufacturing method and a related computer program are provided.
G06F 30/20 - Optimisation, vérification ou simulation de l’objet conçu
B22F 10/28 - Fusion sur lit de poudre, p. ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B33Y 50/00 - Acquisition ou traitement de données pour la fabrication additive
G06F 30/23 - Optimisation, vérification ou simulation de l’objet conçu utilisant les méthodes des éléments finis [MEF] ou les méthodes à différences finies [MDF]
B22F 3/11 - Fabrication de pièces ou d'objets poreux
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
C22C 1/04 - Fabrication des alliages non ferreux par métallurgie des poudres
G06F 111/06 - Optimisation multi-objectif, p. ex. optimisation de Pareto utilisant le recuit simulé, les algorithmes de colonies de fourmis ou les algorithmes génétiques
G06F 113/10 - Fabrication additive, p. ex. impression en 3D
G06F 119/06 - Analyse de puissance ou optimisation de puissance
G06F 119/08 - Analyse thermique ou optimisation thermique
G06F 119/18 - Analyse de fabricabilité ou optimisation de fabricabilité
G06F 119/14 - Analyse des forces ou optimisation des forces, p. ex. forces statiques ou dynamiques
16.
INCREASING THE DIAMETER OF AN INTERNAL HOLE AND A PRODUCT
The invention relates to a method to increase the diameter of an internal hole (10) of a product (1), wherein firstly a new access hole (14) in the product (1) is produced, to which the internal hole (10) is accessible, then the diameter of the internal hole (10) is increased to bigger working hole (11) and as a final step the access hole (14) is closed.
B23P 6/00 - Remise en état ou réparation des objets
F01D 5/00 - AubesOrganes de support des aubesDispositifs de chauffage, de protection contre l'échauffement, de refroidissement, ou dispositifs contre les vibrations, portés par les aubes ou les organes de support
B23P 15/02 - Fabrication d'objets déterminés par des opérations non couvertes par une seule autre sous-classe ou un groupe de la présente sous-classe d'aubes de turbine ou d'organes équivalents, en une seule pièce
An integrated compression system includes a CO₂ process compressor and a mechanical vapor recompression (MVR) steam compressor mechanically coupled to a single integrated gear compressor (IGC) drive. A controller synchronizes inlet guide vane positions for both compressors and coordinates operation with a fixed predetermined CO₂ suction pressure and a manipulated-variable steam suction pressure. The controller coordinates IGV settings to operate both compressors within a shared operating envelope that maximizes overlap between a CO₂ compression map and a steam compression map, thereby sustaining operation in a non- power-penalty region while maintaining stability constraints.
The invention relates to a contact element (1) of a vacuum interrupter (40). The contact element (1) comprises an electrically conductive column-like contact stem (3) and an electrically conductive contact cup (5) having a cup base (15) and a cup wall (17) projecting from the cup base (15), wherein the cup base (15) has a base region (19) which is connected to an end face (7) of the contact stem (3). The contact element (1) also comprises an electrically conductive contact disc (6) which closes the contact cup (5) and is connected to the cup wall (17). The following each have at least one slot (11, 21, 25): an end region (9) of the contact stem (3) that includes the end face (7); the cup base (15); and the cup wall (17)
The invention relates to a system (1) and a method for discharging a combustible refrigerant (2) from a heat pump (3) in a hazardous situation, comprising a detector (4) for detecting the hazardous situation, an emergency tank (6) for receiving the refrigerant (2), a transfer line (7) by means of which the heat pump (3) is connected to the emergency tank (6). A winding system (9) is connected to the heat pump (3) and can be used to introduce an inert gas (10) into the heat pump (3) when a dangerous situation is detected by the detector (4), such that the refrigerant (2) can be forced through the transfer line (7) into the emergency tank (6).
A turbine component (1) is provided comprising an airfoil (2) with a hybrid material, wherein the hybrid material comprises an aerogel section (3), and a reinforcement (4) for mechanically stabilizing the airfoil (2), wherein the reinforcement (4) connects a root section (5) of the component (1) with the aerogel section (1), wherein the connection is established via an interlock (6) or form fit. Moreover, a method of manufacturing the turbine component (1) is presented, the method comprising the steps, (i) initially simulating a stress distribution in the component with a finite element analysis, (ii) based on the simulation result, identifying a direction of highest stresses, and (iii) manufacturing an aerogel (3) block of the component (1), wherein reinforcement fibers (12) are arranged according to the identified direction of highest stress.
The invention relates to an electrical fuse arrangement (1) comprising a mechanical status display (2) having an indicator (3) for displaying the operating states "empty", "ready for operation" and "triggered", which indicator can be moved between a first position (4), a second position (5) and a third position (6), a first preloading means (7) which holds the indicator (3) in the first position (4) as long as no electrical fuse link (8) is inserted into the electrical fuse arrangement (1), the electrical fuse arrangement (1) further comprising an electrical fuse link (8) having a length which ensures that the indicator (3) moves from the first position (4) into the second position (5) when the electrical fuse link (8) is inserted into the the electrical fuse arrangement (1), wherein the electrical fuse link (8) has a conductive material, which is designed for a rated current intensity and melts at a certain overcurrent and after a certain time and thus interrupts a circuit, having a striker pin (9) which is integrated into the electrical fuse link (8) and which, when the electrical fuse link (8) has triggered, is triggered by a second preloading means (10) and ensures that the indicator (3) moves from the second position (5) into the third position (6).
The invention relates to a transmission (9) that couples a first contact element (3) of a circuit breaker (1), which is movable between a first end position, in which the first contact element (3) touches a second contact element (5) of the circuit breaker (1), and a second end position, in which the first contact element (3) is separated from the second contact element (5), to a drive (7). The transmission (9) comprises a drive element (19) coupled to the drive (7), an output element (21) coupled to the first contact element (3), a coupling element (23) that couples movements of the drive element (19) and the output element (21), and an energy storage unit (25) that, during the movement of the first contact element (3) from the first end position into an intermediate position, stores drive energy for this movement as potential energy and releases the stored drive energy during the movement of the first contact element (3) from the intermediate position into the second end position.
H01H 3/30 - Dispositions comportant une énergie à l'intérieur de l'interrupteur pour actionner le mécanisme d'entraînement utilisant un moteur à ressort
H01H 3/42 - Mécanismes-moteurs, c.-à-d. pour transmettre la force motrice aux contacts utilisant des cames ou excentriques
H01H 33/40 - Dispositions à énergie incorporée dans l'interrupteur pour actionner le mécanisme moteur utilisant un moteur à ressort
H01H 5/04 - Énergie accumulée par déformation de pièces élastiques
H01H 3/46 - Mécanismes-moteurs, c.-à-d. pour transmettre la force motrice aux contacts utilisant une liaison par tige ou levier, p. ex. une genouillère
23.
PRESSING DEVICE FOR A CONTACT ELEMENT OF A VACUUM SWITCH AND VACUUM SWITCH
The invention relates to a pressing device (1) which is configured to press a first contact element (5), movable by a drive (3), against a second contact element (7) of a vacuum switch (9). The pressing device (1) comprises a compression spring (15) having a first spring end (35) couplable to the drive (3) and a second spring end (37) couplable to the first contact element (5). The compression spring (15) has coils with a coil diameter that varies along the spring length of the compression spring (15).
H01H 1/50 - Moyens pour accroître la pression de contact, empêcher la vibration des contacts, maintenir ensemble les contacts après l'entrée en contact, ou pour ramener les contacts à la position d'ouverture
The invention relates to a heat pump (1) for transcritical heat pump applications, comprising a circuit through which a working medium flows, the circuit successively comprising a compressor (2), a gas cooler (3), a turbine (4), an evaporator (6), and a recuperator (7), characterized in that a separating device (5), designed in particular as a flash tank, is provided between the turbine (4) and the evaporator (6), which separates the gas phase of the working medium coming from the turbine (4) from its liquid phase, and in that a gas phase bypass line (17) leading from the separating device (5) to a position between the recuperator (7) and the compressor (2) is provided, via which the gas phase separated in the separating device (5) can be introduced downstream of the recuperator (7), in particular during part-load operation. The invention further relates to a method for operating such a heat pump (1).
F25B 9/00 - Machines, installations ou systèmes à compression dans lesquels le fluide frigorigène est l'air ou un autre gaz à point d'ébullition peu élevé
F25B 40/00 - Sous-refroidisseurs, désurchauffeurs ou surchauffeurs
F25B 1/00 - Machines, installations ou systèmes à compression à cycle irréversible
25.
ADVANCED RECTIFIER CONTROLS FOR IMPROVED FAULT RIDE THROUGH IN ELECTROLYSIS SYSTEMS
The invention is about a method for controlling an electrolysis system (1) comprising a transformer unit (2), rectifier units (3) operating in parallel, and electrolysis module rows (4) with hydrogen and oxygen sides (5, 6) connected at DC sides (7) of the rectifier units (3), the method comprising: - detecting a Fault Ride Through event; and - adjusting the ramp-up rate of a DC current considering a current position of control valves (8) on the hydrogen and oxygen sides (5, 6).
A gas inlet conduit (58) is constructed and arranged to feed a gas (42) into an active area (50) of an electrolysis cell (12) within a stack (14) in sufficient quantity to function as an electrical insulator and reduce an electric current at an entry (52) of the active area (50) and thereby more closely balance the current at the entry (52) of the active area (50) with the current at an exit (54) of the active area (50). Also, an electrolysis-separated stack configuration (10) is provided having a plurality of electrolytic cells (12) forming an electrolysis stack (14), a hydrogen-side pump (20) in fluid communication with a hydrogen-side phase separator (22) in fluid communication with a hydrogen-side heat exchanger (24) in fluid communication with a hydrogen-side recycle blower (26); where the electrolysis stack (14) is shared with an oxygen-side pump (30) in fluid communication with an oxygen-side phase separator (32) in fluid communication with an oxygen-side heat exchanger (34) in fluid communication with the oxygen-side recycle blower (36); wherein hydrogen (42) is generated.
A gas turbine engine (100) includes a combustor (224) that combusts compressed air with a mixed fuel of natural gas and hydrogen, a casing (202) that encloses the combustor to define a plenum (230) for compressed air, an axial stage (222) arranged on the combustor to inject the mixed fuel into the combustor, and a control system. The control system is configured to calculate a turndown turbine firing temperature for a hydrogen percentage of the mixed fuel based on a function between turndown turbine firing temperature and hydrogen percentage of the mixed fuel, apply a non-zero adjustment to the calculated turndown turbine firing temperature to define an axial stage on temperature, and switch on the axial stage when the turbine firing temperature exceeds the axial stage on temperature to control a CO emission level below a predetermined design level.
F02C 3/22 - Ensembles fonctionnels de turbines à gaz caractérisés par l'utilisation de produits de combustion comme fluide de travail utilisant un combustible, un oxydant ou un fluide de dilution particulier pour produire les produits de combustion le combustible ou l'oxydant étant gazeux aux température et pression normales
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 9/40 - Commande de l'alimentation en combustible spécialement adaptée à l'utilisation d'un combustible particulier ou de plusieurs combustibles
F02C 6/08 - Ensembles fonctionnels de turbines à gaz délivrant un fluide de travail chauffé ou pressurisé à d'autres appareils, p. ex. sans sortie de puissance mécanique délivrant des gaz comprimés le gaz étant prélevés sur le compresseur de la turbine à gaz
F02C 9/18 - Commande du débit du fluide de travail par prélèvement, par bipasse ou par action sur des raccordements variables du fluide de travail entre des turbines ou des compresseurs ou entre leurs étages
F02C 7/228 - Division du fluide entre plusieurs brûleurs
28.
METHOD OF OPERATING AN ELECTROLYSIS SYSTEM, RECTIFIER CONTROL UNIT TO CONTROL AN ELECTROLYSIS SYSTEM, ELECTROLYSIS SYSTEM WITH SUCH A RECTIFIER CONTROL UNIT, COMPUTER PROGRAM PRODUCT AND A COMPUTER-READABLE STORAGE MEDIUM
Method of operating an electrolysis system (2) after a fault ride through, the method comprising the step of: (S200) a rectifier control unit (14) of the electrolysis system (2) sets a firing angle (Alpha-ref) to a value less than 90° after the rectifier control unit (14) received a fault signal (F) after a fault ride through, wherein the set firing angle (Alpha-ref) will be transmitted to a controller (16) of the electrolysis system (2) in order to control thyristors of the thyristor rectifier circuit (10a, 10b, 10c, 10d) in order to power the electrolysis system (2); (S300) the rectifier control unit (14) reads in the measured DC current (Idc_meas); (S400) the rectifier control unit (14) compares the measured DC current (Idc_meas) with a reference DC current (Idc_ref); (S500) if the difference (Diff) between the measured DC current (Idc_meas) and the reference DC current (Idc_ref) is greater than a predetermined value (PV2) the rectifier control unit (14) provides at least one value for the reference DC current (Idc_ref), wherein the at least one value for the reference DC current (Idc_ref) is determined according to a predetermined ramp-up function (RUP).
H02M 7/162 - 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 thyratron ou thyristor exigeant des moyens d'extinction utilisant uniquement des dispositifs à semi-conducteurs dans une configuration en pont
C25B 15/02 - Commande ou régulation des opérations
H02M 1/32 - Moyens pour protéger les convertisseurs autrement que par mise hors circuit automatique
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
H02J 3/38 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs
A gas conduit (58) is constructed and arranged to feed a gas (42) into an active area (50) of an electrolysis cell (12) within a stack (14) in sufficient quantity to function as an electrical insulator and reduce an electric current at an entry (52) of the active area (50) and thereby more closely balance the current at the entry (52) of the active area (50) with the current at an exit (54) of the active area (50). Also, an electrolysis-mixed stack configuration (10) is provided having a plurality of electrolytic cells (12) forming an electrolysis stack (14), a pump (20) in fluid communication with a hydrogen-side phase separator (22) in fluid communication with a heat exchanger (24) in fluid communication with a hydrogen-side recycle blower (26); where the electrolysis stack (14) is shared with an oxygen-side (16) having a pump (20) in fluid communication with an oxygen-side phase separator (32) in fluid communication with the heat exchanger (24) in fluid communication with the oxygen-side recycle blower (36); wherein hydrogen (42) is generated.
A gas diffusion layer (3) for an electrochemical cell, in particular for an electrolysis cell (1), is proposed. The gas diffusion layer comprises an electrically conductive and fluid-porous plate (5), wherein the plate (5) extends in a planar manner along a vertical axis (Y) and a horizontal axis (X) oriented perpendicularly to the vertical axis (Y), and wherein the plate has a plate edge (7) with a contour (9), wherein the contour (9) is formed with a ridge (11) and a trough (13) so that a fluid channel (15) is formed. Furthermore, an electrolysis cell (1) having a correspondingly configured gas diffusion layer (3) and an electrolyser, in particular a PEM electrolyser, which has a plurality of electrolysis cells (1) are also specified.
The invention relates to a pressure measuring device (40) for measuring the pressure in a vacuum interrupter (1), comprising the vacuum interrupter (1) which has a first electrode (3); a second electrode (4), the electrodes having a contact state, in which the first electrode (3) and the second electrode (4) contact one another, and a spacing state, in which the first electrode (3) and the second electrode (4) are spaced apart from one another; and a housing (2), the housing delimiting an interior (26), in which the first electrode (3) and the second electrode (4) are situated, and maintaining a vacuum in the interior (26) such that, in the spacing state, the first electrode (3) and the second electrode (4) are electrically insulated from one another by the vacuum. The pressure measuring device also comprises a voltage source (41) which is designed to apply an electric field (23) to the interior (26), a magnet (42) which is designed to apply a magnetic field (24) to the interior (26), the magnetic field having an orientation which differs from that of the electric field (23) in the interior (26), and a radiation source (27) which is designed to supply electromagnetic radiation (28) to the interior (26), the electromagnetic radiation comprising X-ray radiation and/or gamma radiation. The invention also relates to a method for measuring the pressure using the pressure measuring device.
H01H 33/668 - Moyens pour obtenir ou surveiller le vide
32.
AN ELECTROLYZER POWER SUPPLY SYSTEM, A METHOD OF PRE-MAGNETIZING A TRANSFORMER, A COMPUTER PROGRAM, A COMPUTER-READABLE STORAGE MEDIUM, A COMPUTER AND/OR A CONTROLLER, A CONVERTER AND/OR A TRANSFORMER AND AN ELECTROLYSIS SYSTEM
An electrolyzer power supply system, a method of premagnetizing a transformer, a computer program, a computer-readable storage medium, a computer and/or a controller, a converter and/or a transformer and an electrolysis system. The invention relates to pre-magnetizing a transformer (3) of an electrolyzer power supply system (2) and a corresponding method. The electrolyzer power supply system (2) comprises a transformer (3) and a converter (4), particularly a self-commutated converter, wherein the transformer (3) is adapted to convert an alternating current electrical power output (5) from an electrical grid (6) into an alternating current electrical power input (7) for the converter (4). The converter (4) is adapted to convert the alternating current electrical power input (7) from the transformer (3) into a direct current electrical power input (8) for an electrolyzer (9). For pre-magnetizing the transformer (3), the converter (4) is adapted to provide a pre-magnetization current (13) from a direct current source (10) to the transformer (3).
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
33.
METHOD OF OPERATING AN ELECTROLYSIS SYSTEM, CONTROL UNIT TO CONTROL AN ELECTROLYSIS SYSTEM, ELECTROLYSIS SYSTEM WITH SUCH A CONTROL UNIT COMPUTER PROGRAM PRODUCT AND A COMPUTER-READABLE STORAGE MEDIUM
Method of operating an electrolysis system (2) wherein the method comprising the step of: (S100) providing a control signal (S5) to a product valve (18b) on the oxygen-side (V) of the electrolysis system (2) to keep the product valve (18b) open in order to buffer oxygen provided by the electrolysis system (2) in a buffer tank (14b) on the oxygen-side (V) in normal operation of the electrolysis system (2).
METHOD FOR CALIBRATING A PRESSURE DETERMINATION PROCESS AND FOR DETERMINING THE PRESSURE IN A MEASURING VACUUM INTERRUPTER, PRESSURE CALIBRATION DEVICE, AND PRESSURE MEASURING DEVICE
The invention relates to a calibration device (51) which has a vacuum interrupter (1), the vacuum interrupter having a first electrode (3); a second electrode (4), the electrodes having a contact state, in which the first electrode (3) and the second electrode (4) contact one another, and a spacing state, in which the first electrode (3) and the second electrode (4) are spaced apart from one another; and a housing (2), the housing delimiting an interior (26), in which the first electrode (3) and the second electrode (4) are situated, and being designed to maintain a vacuum in the interior (26) such that, in the spacing state, the first electrode (3) and the second electrode (4) can be electrically insulated from one another by the vacuum. The calibration device also has a vacuum system (40) which has a tube (41) with a flange (49), the vacuum interrupter (1) having a through-hole (27) fluidically connecting the interior (26) to the tube (41), and a sealing surface (28), which completely delimits the through-hole (27) circumferentially, and the calibration device has a flange seal (50), which contacts the sealing surface (28) and the flange (49) over the entire circumference thereof in order to vacuum-tightly seal off the through-hole (27) and the tube (41) from the outside. The invention further relates to a method for calibrating a pressure measuring process.
The invention relates to a method for measuring the pressure in a vacuum interrupter (1), having the steps of: b) providing the vacuum interrupter (1), which has a first electrode (3); a second electrode (4), the electrodes having a contact state in which the first electrode and the second electrode contact one another, and a spacing state in which the first electrode and the second electrode are spaced apart from one another; and a housing (2), the housing delimiting an interior (26) in which the first electrode and the second electrode are situated, and maintaining a vacuum in the interior (26) such that, in the spacing state, the first electrode and the second electrode are electrically insulated from one another by the vacuum; c) applying an electrical ignition voltage between the first electrode and the second electrode, whereby a DC arc is generated between the first electrode and the second electrode when the electrodes are in the spacing state; d) applying an electric field and a magnetic field to the interior such that electrons released in the DC arc are accelerated, the electrons generating a gas discharge which differs from the DC arc, and the electric field in the interior (26) having an orientation which differs from that of the magnetic field; and e) measuring the electric current (I) of the gas discharge. The invention also relates to a pressure measuring device (40) comprising the vacuum interrupter (1).
The invention concerns a gasket (10a; 10b) for an electrolyzer (34) cell stack (12) comprising a base plate (14) having a recess (16) configured to accommodate a part of a layer (32) of said electrolyzer (34) cell stack (12), a sealing (20) which is positioned along a wall (22) of the base plate (14) bounding said recess (16), and a mount (24) to support said part of the layer (32) of the electrolyzer (34) cell stack (12) at a predetermined position along a direction (26) transverse, preferably substantially perpendicular, to a plane of the base plate (14).
Method and apparatus to determine a concentration of a fuel in a fuel mixture for a gas turbine engine are provided. A fuel mixture of the first fuel (e.g., natural gas) and a second fuel flow (e.g., hydrogen) flow through a pipeline including a density meter that supplies a signal indicative of density of the mixture. Based on the signal indicative of the density of the gaseous fuel mixture, temperature and pressure in connection with the gaseous fuel mixture, and certain known properties of the first fuel and the second fuel, a controller is configured to determining a respective concentration of at least one of the first fuel and the second fuel of the mixture. Disclosed embodiments permit determining the hydrogen concentration, for example, in the fuel mixture practically in real-time during operation of the engine and further permit providing a sufficiently fast update rate, which is advantageous to track and dynamically control changes that can occur in the composition of the fuel mixture practically in real-time.
F02C 3/22 - Ensembles fonctionnels de turbines à gaz caractérisés par l'utilisation de produits de combustion comme fluide de travail utilisant un combustible, un oxydant ou un fluide de dilution particulier pour produire les produits de combustion le combustible ou l'oxydant étant gazeux aux température et pression normales
F02C 9/40 - Commande de l'alimentation en combustible spécialement adaptée à l'utilisation d'un combustible particulier ou de plusieurs combustibles
40.
METHOD FOR CALIBRATING A PRESSURE DETERMINATION PROCESS IN A VACUUM INTERRUPTER AND FOR DETERMINING THE PRESSURE IN A MEASURING VACUUM INTERRUPTER
12maxmax) of the time-resolved current strength (I(t)) to the respective pressure (p) prevailing at the same point in time, whereby a calibration function (55) is formed.
The invention relates to a method for determining the pressure in a vacuum interrupter (1), having the steps of: b) providing the vacuum interrupter, which has a first electrode (3); a second electrode (4), the electrodes having a contact state, in which the first electrode and the second electrode contact one another, and a spacing state, in which the first electrode and the second electrode are spaced apart from one another; and a housing (2), the housing delimiting an interior (26), in which the first electrode and the second electrode are situated, and maintaining a vacuum in the interior such that, in the spacing state, the first electrode and the second electrode are electrically insulated from one another by the vacuum; c) applying an electric field (23) and a magnetic field (24) to the interior such that a gas discharge is generated, the orientation of the electric field in the interior differing from the orientation of the magnetic field; d) measuring the current strength (I) of the gas discharge at a plurality of different time points (t); e) forming a measurement data set (I(t)) from the current strengths and the time points, the measurement data set representing the development of the current strength over time during the gas discharge; f) adapting at least one part of the measurement data set using at least one adaptation function (43) which has one or more adaptation parameters; and g) inferring the pressure from at least one of the adaptation parameters.
A supersonic diffuser is provided. The supersonic diffuser includes a vaned zone having a flow area to pass a process fluid at supersonic velocity and a shock zone fluidly coupled to the vaned zone to pass the process fluid that exits the vaned zone. The supersonic diffuser also includes a mixing and subsonic diffusion zone fluidly coupled to the shock zone, the mixing and subsonic diffusion zone configured to decelerate process fluid from the shock zone to a reduced subsonic speed prior to discharge of the process fluid through an exit of the supersonic diffuser. The vaned zone includes a plurality of vanes interposed between an outer wall and an inner wall of the supersonic diffuser, where one or more of a pressure surface and a suction surface of each of the plurality of vanes includes a step-down portion.
F04D 29/54 - Moyens de guidage du fluide, p. ex. diffuseurs
F04D 21/00 - Pompes spécialement adaptées aux fluides compressibles utilisant la vitesse supersonique du fluide pompé
F24V 40/00 - Production ou utilisation de la chaleur produite par le frottement interne de fluides en mouvement ou du frottement entre des fluides et des corps en mouvement
B01J 3/08 - Application d'ondes de choc à des réactions chimiques ou pour modifier la structure cristalline des substances
B01J 19/00 - Procédés chimiques, physiques ou physico-chimiques en généralAppareils appropriés
The invention relates to a circuit breaker (1). The circuit breaker (1) comprises two interrupter units (3, 5) each having an electrical interrupter switch (25, 35), an electrical parallel connection of a closing resistor (15) and an electrical bypass switch (17) connected electrically in series with the interrupter switches (25, 35), and a mechanical linkage (19) which is movable by a drive mechanism (13) between a closing state in which it closes the interrupter switches (25, 35) and the bypass switch (17), and an opening state in which it opens the interrupter switches (25, 35) and the bypass switch (17). The mechanical linkage (19) is designed in such a way that the interrupter switches (25, 35) close before the bypass switch (17) closes, and the interrupter switches (25, 35) open before the bypass switch (17) opens. The closing resistor (15) is placed within a metallic resistor housing (49).
The invention relates to a rectifier module (4) for an electrolyzer (2), comprising a module housing (9), which comprises a rectifier system (10), which in particular has a linear arrangement along a longitudinal direction (x). The rectifier system (10) comprises at least one rectifier (11), which is designed to provide a direct current for the electrolyzer (2) from an alternating current, and in particular a cooling system (22) for the rectifier (11). Furthermore, the rectifier module (4) comprises an alternating current interface (12) for an electrical connection of the rectifier system (10) to a transformer and/or a direct current interface (13) for the electrical connection of the rectifier system (10) to the electrolyzer (2). According to the invention, the rectifier system (10) is arranged in the module housing (9) and also has a cooling system interface and a control system interface for simple installation in an electrolysis system (1).
H05K 7/14 - Montage de la structure de support dans l'enveloppe, sur cadre ou sur bâti
C25B 9/65 - Dispositifs pour l'alimentation en courantConnexions d'électrodesConnexions électriques intercellulaires
H02M 7/00 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continuTransformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif
45.
CLOSED LOOP CALCINATION SYSTEM USING ELECTRICALLY HEATED CARBON DIOXIDE
A manufacturing system and method where a fluid path is formed between a pre-heating section, a waste heat recovery section, a cooling section, a reactor section, the calcining section, and back to the pre-heating section, wherein a fluid, specifically carbon dioxide, is circulated and used within path while also capturing any generated carbon dioxide.
The invention relates to a circuit breaker (1). The circuit breaker (1) comprises two interrupter units (3, 5) each having an electrical interrupter switch (25, 35), an electrical parallel connection of a closing resistor (15) and an electrical bypass switch (17) connected electrically in series with the interrupter switches (25, 35), and a mechanical linkage (19) which is movable by a drive mechanism (13) between a closing state in which it closes the interrupter switches (25, 35) and the bypass switch (17), and an opening state in which it opens the interrupter switches (25, 35) and the bypass switch (17). The mechanical linkage (19) is designed in such a way that the interrupter switches (25, 35) close before the bypass switch (17) closes, and the interrupter switches (25, 35) open before the bypass switch (17) opens. The closing resistor (15) is placed within an electrically insulating resistor housing (49).
The invention relates to a method of controlling an electrolyzing plant (10) having plural electrolyzing cells (14) providing an electrolyzing process in response to being subjected to a DC electrolyzing power, wherein the electrolyzing plant is supplied with electric power from an electric power network (12) deploying an alternating voltage having a basic frequency, wherein an AC side (22) of an electric converter (20) is connected with the electric power network, a DC side (24) of the electric converter (20) provides the DC electrolyzing power. A synchronous machine (30) has a stator winding, wherein a rotational speed of a rotor (28) of the synchronous machine is detected by a speed sensor (26) that provides a sensor signal (34), wherein a control apparatus (36, 54) receives and processes the sensor signal and controls an operation of an energy adaptation device (44, 46) dependent on the processed sensor signal.
H02J 3/14 - Circuits pour réseaux principaux ou de distribution, à courant alternatif pour règler la tension dans des réseaux à courant alternatif par changement d'une caractéristique de la charge du réseau par interruption, ou mise en circuit, des charges du réseau, p. ex. charge équilibrée progressivement
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
C25B 15/02 - Commande ou régulation des opérations
H02J 3/30 - Dispositions pour l'équilibrage de charge dans un réseau par emmagasinage d'énergie utilisant des machines dynamo-électriques accouplées à des volants
The invention relates to a method of controlling an electrolyzing plant (10) having plural electrolyzing cells (14) providing an electrolyzing process in response to being subjected to a DC electrolyzing power, wherein the electrolyzing plant is supplied with electric power from an electric power network (12) deploying an alternating voltage having a basic frequency, wherein an AC side (22) of an electric converter (20) is connected with the electric power network, a DC side (24) of the electric converter (20) provides the DC electrolyzing power. A synchronous machine (30) has a stator winding being connected with the electric power network, wherein a rotational speed of a rotor (28) of the synchronous machine is detected by a speed sensor (26) that provides a sensor signal (34), wherein a control device (36) receives and processes the sensor signal and controls an operation of the electric converter dependent on the processed sensor signal.
H02J 3/12 - Circuits pour réseaux principaux ou de distribution, à courant alternatif pour règler la tension dans des réseaux à courant alternatif par changement d'une caractéristique de la charge du réseau
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
C25B 15/02 - Commande ou régulation des opérations
H02J 3/30 - Dispositions pour l'équilibrage de charge dans un réseau par emmagasinage d'énergie utilisant des machines dynamo-électriques accouplées à des volants
H02J 4/00 - Circuits pour réseaux principaux ou de distribution, la nature alternative ou continue du courant n'étant pas précisée
49.
COMPRESSOR INTEGRATED HYBRID TSA/PSA DEHYDRATION OF CO2
A method for regenerating an adsorption bed for dehydration of a process fluid by using at least a portion of the process fluid from a main process compressor includes directing a first portion from a first outlet of an adsorption bed system into a dehydrated process fluid inlet of the adsorption bed system for regenerating at least one adsorption bed in the adsorption bed system; directing a second portion into a higher pressure compression section of the main process compressor; and directing a hydrated process fluid from a second outlet into a lower pressure compressor section of the main process compressor.
B01D 53/04 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par adsorption, p. ex. chromatographie préparatoire en phase gazeuse avec adsorbants fixes
The invention relates to a burner (01) intended for the combustion of hydrogen with oxygen. For this purpose, a coolant duct leading to an outlet opening, an air duct leading to air nozzles (15), and a fuel duct leading to fuel nozzles (25) are required. An optimized combustion without residue is achieved by configuring the outlet opening/all outlet openings as a water nozzle (05)/water nozzles (05). For this purpose, it is necessary that, for all the fuel nozzles (25) and air nozzles (15), in each case a fuel nozzle outlet vector (27) and an associated air nozzle outlet vector (17) are oriented such that they point toward each other.
F23D 14/22 - Brûleurs à gaz sans prémélangeur, c.-à-d. dans lesquels le combustible gazeux est mélangé à l'air de combustion à l'arrivée dans la zone de combustion avec des conduits d'alimentation en air et en gaz séparés, p. ex. avec des conduits disposés parallèlement ou se croisant
F23D 14/58 - Buses caractérisés par la forme ou la disposition de l'orifice ou des orifices des buses, p. ex. en couronne
The invention is about a flow sleeve (01) for use in a sleeve arrangement. It comprises an air guiding section (02), and a fixation section (03) at a fixed end, which (03) extends from the guiding section (02) and enables a fixed connection to an adjacent part (23), and a sliding section (06) at a moving end opposite to the fixed end, which (06) extends from the guiding section (02) and has a contact surface facing the sleeve axis.Relevant is the arrangement of spring tabs (11 ), which (11) are spaced apart in circumferential direction and are each attached at the sliding section (06). Retainers (12) are required at an opposite free end to attach a pulling element (14), which (14) surrounds the spring tabs (11) and generates a pressure on the spring tabs (11) in radial direction.
The invention relates to a steam-generating plant (01, 02, 03, 04, 05) for providing steam, i.e. water vapour. On the inlet side, a supply duct arrangement (21) is intended to be connected to an external steam supply (11). Further downstream is a supply intermediate duct (22) which, in turn, is followed by a combustion device (13) for combusting hydrogen with oxygen. Connected downstream thereof is a discharge intermediate duct (23), further downstream of which follows a discharge duct arrangement (24) for intended connection to an external steam consumer (12). In order to increase flexibility, a temperature-control device (06, 07, 08) is used, to which, on the one hand, a cooling fluid (cold steam or water) is supplied, and, on the other hand, a heating fluid (warm steam) is supplied, and from which cooling steam is delivered to the supply intermediate duct (22). The cooling fluid or the heating fluid is selectively provided via the supply duct arrangement (21). The supply of the cooling fluid and/or the supply of the heating fluid is regulated by means of a control device.
The invention relates to a membrane electrode arrangement (1) for an electrochemical cell (3) comprising a polymer electrolyte membrane (5), on whose opposing membrane sides an anode electrode (7) and a cathode electrode (9) are applied, into each of which a catalyst material (11A, 11B) is incorporated, and wherein at least one of the electrodes (7, 9) has a microporous transport layer (13) which is at least partially integrated into the catalyst material (11A, 11B). The invention further relates to a method for producing a membrane electrode arrangement (1) for an electrochemical cell (3), an electrochemical cell (3), and an electrolyzer.
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
C25B 9/21 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure avec des diaphragmes avec plusieurs diaphragmes
C25B 9/23 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages 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 11/051 - Électrodes comportant des électro-catalyseurs sur un substrat ou un support
C25B 11/055 - Électrodes comportant des électro-catalyseurs sur un substrat ou un support caractérisées par le matériau du substrat ou du support
54.
METHODS FOR ADJUSTING AN OPERATING PARAMETER OF AN ELECTROLYSIS CELL, COMPUTER PROGRAM, COMPUTER-READABLE STORAGE MEDIUM, COMPUTER, CONTROL DEVICE, ELECTROLYSER, AND ELECTROLYSIS SYSTEM
U11 U22 U33 ITEeq1eq1 Eeq2eq2 Eeq3eq3 T11 T22 T33 T11 T22 T33 U11 U22 U33 ITEeqeq 11 Eeqeq 22 Eeqeq 33 T11 T22 T33 3 ), and on an ionic ohmic overvoltage of the electrolysis process and optionally on an electrical ohmic overvoltage of the electrolysis cell.
The invention relates to a redox flow cell (01) comprising a circumferential cell frame (11) extending from a bottom side (02) to a top side (03), and to a cell membrane (05) extending in a cell plane. A top chamber (13) surrounded by the cell frame (11) and a top electrode (07) resting against the cell frame (11) are located adjacent the cell membrane (05) on the top side and a bottom chamber (12) surrounded by the cell frame (11) and a bottom electrode (06) resting against the cell frame (11) are oppositely located on the bottom side (02). Furthermore, inlets (17, 18) and outlets (19, 20) are provided which lead through the cell frame (11) into the bottom chamber (12) or top chamber (13) respectively. In order to simplify production and assembly, the cell frame (11) has a circumferential step ledge (15) surrounding the bottom chamber (12), wherein the cell membrane (05) rests on the step ledge(15).
H01M 8/0273 - Moyens d’étanchéité ou de support autour des électrodes, des matrices ou des membranes avec des moyens d’étanchéité ou de support sous forme d’un cadre
H01M 8/18 - Éléments à combustible à régénération, p. ex. batteries à flux REDOX ou éléments à combustible secondaires
A turbomachine includes a rotor supported for rotation about a rotational axis. An impeller is coupled to the rotor and includes a plurality of vanes that define a back side and a front side, and a back plate attached to the plurality of vanes and disposed on the back side of the plurality of vanes. A casing is positioned around the impeller and arranged to define an inlet and an outlet, the casing including a closing surface juxtaposed with the front side of the impeller to define a front side gap, the closing surface cooperating with the impeller to define a flow path between the inlet and the outlet. A thrust bearing is coupled to the rotor and is arranged to inhibit axial movement of the rotor along the rotational axis, and an actuator is operable to move the thrust bearing between a first position in which the front side gap is a first distance and a second position in which the front side gap is a second distance that is greater than the first distance.
A turbomachine includes a rotor supported for rotation about a rotational axis, an impeller coupled to the rotor and including a plurality of vanes that define a back side and a front side, and a back plate attached to the plurality of vanes and disposed on the back side of the plurality of vanes. A casing is positioned around the impeller and arranged to define an inlet and an outlet, and an impeller ring is coupled to the casing and includes a closing surface juxtaposed with the front side of the impeller to define a front side gap, the closing surface cooperating with the impeller to define a flow path between the inlet and the outlet. A first member is positioned between the casing and the impeller ring to define an upstream seal, and a second member is positioned between the casing and the impeller ring to define a downstream seal. A control space is formed between the casing, the impeller ring, the upstream seal, and the downstream seal. A closing supply path is selectively openable to bias the impeller ring parallel to the rotational axis toward the impeller to reduce the front side gap, and an opening supply path is selectively openable to bias the impeller ring parallel to the rotational axis away from the impeller to increase the front side gap.
A turbine component includes an airfoil having a trailing edge cooling cavity defined in an airfoil interior between a pressure side wall and a suction side wall. Coolant exit slots are disposed at a trailing edge. A rib extends from one of the pressure side wall and the suction side wall into the trailing edge cooling cavity. A first pin, a second pin adjacent to the first pin, and a third pin adjacent to the second pin are arranged between the rib and the coolant exit slots and extend between an airfoil hub and an airfoil tip. The pins extend toward the trailing edge at oblique angles relative to an axial direction, with the first pin at a first oblique angle, the second pin at a second oblique angle opposite the first oblique angle, and the third pin at a third oblique angle opposite the second oblique angle.
A turbine blade (200) includes a root (202), a platform (204) connected to the root, an airfoil (206) including a pressure side (222) and a suction side (224) that extend between a leading edge (218) and a trailing edge (220) and cooperate to define a hollow blade interior. The pressure side and the suction side extend from the platform to the blade tip to define an airfoil length. A main cooling channel (304) has an inlet (308) and an outlet (320) adjacent the platform (204) and extends from the platform toward the blade tip. A flow blocker (316) is disposed within the main cooling channel (304) and extends from the platform toward the blade tip to a wall tip (318) between one percent and ten percent of the airfoil length, the flow blocker (316) cooperating with the main cooling channel (304) to define a U-shaped flow path (322).
A turbine component for a gas turbine engine includes an airfoil extending from an airfoil hub to an airfoil tip. The airfoil has a pressure side wall and a suction side wall that meet at a leading edge and a trailing edge. A trailing edge cooling cavity is defined in an airfoil interior between the pressure side wall and the suction side wall. The trailing edge cooling cavity includes a rib having a rib root connected to one of the pressure side wall and suction side wall, a rib tip positioned into the airfoil interior without reaching the other one of the pressure side wall and the suction side wall, and a rib body extending a non-zero distance from the rib root to the rib tip and extending continuously from the airfoil hub to the airfoil tip as a single solid piece.
The present invention relates to a wet gas flow filter (10) for filtering carbon dioxide (CO2) from a water-containing exhaust gas flow, to a filter system (1) having a wet gas flow filter (10) of this type, and to a filtering method (100). A filter material (12) contains a microporous adsorbent (14) for the selective physisorption of carbon dioxide (CO2) from water-containing exhaust gas, which is flowing against the filter material (12), into micropores (16) of the adsorbent (14). The microporous adsorbent (14) comprises a phyllosilicate (18) and column molecules (20) which are intercalated in the phyllosilicate (18) and determine the size of the micropores (16).
B01D 53/04 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par adsorption, p. ex. chromatographie préparatoire en phase gazeuse avec adsorbants fixes
B01J 20/10 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique contenant de la silice ou un silicate
B01J 20/30 - Procédés de préparation, de régénération ou de réactivation
B01D 53/02 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par adsorption, p. ex. chromatographie préparatoire en phase gazeuse
62.
RAPID FILLING OF RECESSES BY MEANS OF WELDING AND COMPONENT WITH FILLED RECESS
The invention relates to a method for filling a recess (4) in a substrate (10), in which at least two different deposition methods and at least two, in particular three, different materials are used.
F01D 5/00 - AubesOrganes de support des aubesDispositifs de chauffage, de protection contre l'échauffement, de refroidissement, ou dispositifs contre les vibrations, portés par les aubes ou les organes de support
B23K 9/04 - Soudage pour d'autres buts que l'assemblage de pièces, p. ex. soudage de rechargement
63.
DEVICE AND METHOD FOR STABILISING AN AC VOLTAGE GRID
The invention relates to a device (1) for stabilising an AC voltage grid, the device being arranged in series in the AC voltage grid (2) during operation and comprising a capacitor branch (4) having a capacitor arrangement (3). The invention is characterised by a control branch (5) connected in parallel with the capacitor branch (4), wherein the control branch (5) comprises a series connection of control modules (6a-c), each of which comprises turn-off-capable power semiconductor switches (S1-4) and a control-module energy store (C), wherein more than 50% of the capacitive reactive power generated by means of the device (1) during operation can be generated by means of the capacitor arrangement (3). The invention also relates to a method by means of which the AC voltage grid can be stabilised.
H02J 3/16 - Circuits pour réseaux principaux ou de distribution, à courant alternatif pour règler la tension dans des réseaux à courant alternatif par changement d'une caractéristique de la charge du réseau par réglage de puissance réactive
The invention relates to a method for shutting down a single-shaft combined-cycle system (1) having a gas turbine (3) and a steam turbine (5) which drive a generator (7) on a common shafting (8), and having an automatically shifting shaft coupling (9) which is arranged between the gas turbine and the steam turbine, characterized in that, when the single-shaft combined-cycle system (1) is shut down, the power of the gas turbine (3) and the power of the steam turbine (5) are simultaneously reduced, with the shaft coupling (9) being closed, until a turning gear operation of the gas turbine (3) is reached.
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
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
The invention relates to a high-temperature actuator (01) for use as intended in a high-temperature environment. According to the invention, this high-temperature actuator consists of a metal material. Essential sections comprise a functional plate (04) which is arranged on a functional side and is adjustable along a central axis, bellows (06) which are connected to the functional plate (04) and extend along the central axis, and a connection plate (05) which is connected to the bellows (06) and is arranged on the connection side (03). Furthermore, a fluid port (24) is located on the connection plate (05). For proper functioning, it is necessary that a variable actuator volume (07) which is closed, except for the fluid port (24), is present in the high-temperature actuator (01).
The invention relates to a method for operating an arrangement (1) for compressing synthesis gas, wherein, in a first step, the synthesis gas is compressed in a first compressor unit (4) from an initial pressure to a first preliminary pressure, wherein, in a second step, the synthesis gas flows into a second compressor unit (10) and is compressed there from the first preliminary pressure to the intermediate pressure, wherein, in a next step, the synthesis gas flows into a third compressor unit (16) and is compressed there from the intermediate pressure to the end pressure, wherein, when the mass flow of the synthesis gas flowing into the arrangement (1) is reduced below a mass flow limit value, a centrifugal compressor of the first compressor unit (4) and a centrifugal compressor of the second compressor unit (10) shut down.
The invention relates to a blade (1) for a turbomachine, in particular for a stationary gas turbine, comprising at least one blade platform (3) and an airfoil (4) which extends from the at least one blade platform (3) in a radial direction (R) and has an outer wall which defines a front leading edge (6), a rear trailing edge (7), a suction side (8) and a pressure side (9), wherein the airfoil (4) is provided with at least one specifically designed cavity (11) through which a cooling fluid is conducted during operation of the turbomachine. The invention also relates to a casting core (10) for producing such a blade (1).
The invention relates to a method for operating at least one electrolysis cell (12) of an electrolysis system (10), wherein the electrolysis cell (12) is supplied with an electrolysis power in normal electrolysis operation (64) in order to produce at least one electrolysis product from a substance to be electrolyzed. According to the invention, at least one predetermined electrical power pulse that has a predetermined power amplitude is applied to the at least one electrolysis cell (12) outside of normal electrolysis operation (64) in regeneration operation (66) in order to regenerate the at least one electrolysis cell (12).
The invention relates to a method for operating a compressor (1), the compressor (1) having a rotor (3) which is mounted rotatably along an axis of rotation (4), a housing being arranged around the rotor (3), the rotor (3) having a plurality of discs (5) along the axis of rotation (4), the discs (5) being connected to a tie rod (6) formed along the axis of rotation (4), an intermediate space (13) extending along the axis of rotation (4) between the tie rod (6) and the discs (5), the rotor (3) having a first opening (10) which establishes a fluidic connection between the intermediate space (13) and a first region, the first opening (10) having a first radius R1, the rotor (3) having a second opening (11), which establishes a fluidic connection between the intermediate space (13) and a second region, the second opening (11) having a second radius R2, the second radius R2 being greater than the first radius R1.
The invention relates to an abradable coating system (8) for a turbine blade comprising a substrate (4), a metallic bond coat (7), an inner partially stabilized Zirconia based layer (10) with 14%-22% porosity, and an outermost abradable layer (13) of fully stabilized Zirconia made by SPS.
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
C23C 4/02 - Pré-traitement du matériau à revêtir, p. ex. pour revêtement de parties déterminées de la surface
A rotor includes a shaft having a first end with a disk engagement member and a central aperture, the central aperture including a bolt engagement member. A first disk includes a first central opening, a rotor engagement member, and a first outboard end disk engagement member, an intermediate disk includes a second central opening, a first inboard end disk engagement member, and a second outboard end disk engagement member, and a locking disk includes a third central opening and a second inboard end disk engagement member. A tie bolt includes a shaft engagement member, a first seal ring, and a locking portion, the shaft engagement member is removably engaged with the bolt engagement member to position the first seal ring in the first central opening to define a first annular gap. The locking portion biases the second inboard end disk engagement member into engagement with the second outboard end disk engagement member to connect the locking disk to the intermediate disk. The tie bolt further biases the first inboard end disk engagement member into engagement with the first outboard end disk engagement member to connect the intermediate disk to the first disk, and the rotor engagement member into engagement with the disk engagement member to connect the first disk to the shaft.
F01D 5/02 - Organes de support des aubes, p. ex. rotors
F01D 5/06 - Rotors à plus d'un étage axial, p. ex. du type à tambour ou à disques multiplesLeurs parties constitutives, p. ex. arbres, connections des arbres
F01D 5/08 - Dispositifs de chauffage, de protection contre l'échauffement ou de refroidissement
The invention relates to a core (11) for producing hollow turbine blades, the core having an outer frame (4) which has bars (10) between an outer stabilization region (17) and an additional solid inner block (25), wherein open regions (7) are thereby provided between the bars (10), and a reinforcement (30, 31, 32) is provided in at least one hollow region (7) between two directly adjacent bars (10).
The invention relates to a method for producing a membrane/seal assembly for an electrochemical cell, in particular an electrolysis cell. The method has the steps of S1, providing a membrane or a membrane/electrode unit, comprising electrode layers which are applied onto the membrane and which serve as an anode or cathode catalyst during the operation of the cell; S2, providing a seal, the seal being designed to seal an anode chamber or a cathode chamber during the operation of the electrochemical cell; and S3, integrally bonding the membrane or membrane/electrode unit and the seal in order to form a prefabricated assembly. The invention further relates to a corresponding membrane/seal assembly, to an electrochemical cell having said membrane/seal assembly, to a cell element, and to a corresponding electrolysis system.
C25B 9/77 - Assemblages comprenant plusieurs cellules du type filtre-presse avec diaphragmes
C25B 13/02 - DiaphragmesÉléments d'espacement caractérisés par la configuration ou la forme
C25B 9/23 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages 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
74.
COMPONENT WITH MULTI-PLY THERMAL INSULATION LAYER AND MODIFIED CONNECTING LAYER, AND METHOD
The invention relates to a component (1) having a two-ply thermal insulation layer (4) at least comprising a substrate (4), in particular a metal substrate, an adhesion promoter layer (10), in particular made of metal, a lower ceramic layer (11), which rests directly on the adhesion promoter layer (10) or the oxide layer thereof, and an outermost ceramic layer (12) which rests directly on the lower ceramic layer (11), the lower ceramic layer (11) having a machined structured surface (21).
C23C 4/02 - Pré-traitement du matériau à revêtir, p. ex. pour revêtement de parties déterminées de la surface
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
75.
SYSTEM AND METHOD TO ACTIVELY CONTROL TURNDOWN TEMPERATURE OF A GAS TURBINE ENGINE
Method and system to control operation of a gas turbine engine are provided. The system monitors operational parameter values of the engine, such as engine load, fuel reactivity of the fuel used, and engine control temperature (e.g., turbine entry temperature (TET) or turbine firing temperature (Tfire)). A controller receives the operational parameter values. A look-up table is configured to identify a desired turndown temperature control range appropriate for the operational parameter values. The look-up table is searched to identify the desired turndown temperature control range. The controller is configured to determine whether the value of the engine control temperature is within the desired turndown temperature, and the controller is further configured to execute an active control strategy involving at least one component of the gas turbine engine to actively adjust the value of the engine control temperature to be within the desired turndown temperature control range.
The invention relates to a machining device (1) designed to machine a circumferential groove (5) provided on a wheel disc end face (2) of a rotor wheel disc (3) of a gas- or steam-turbine rotor (4), comprising a hand-held housing (6); guide means (8) provided on a lower face (7) of the housing (6), the guide means being designed to come into engagement with circumferential structures (9) present on a circumferential surface of a gas- or steam-turbine rotor (4) to be machined and guide a movement of the machining device (1), which is placed on the circumferential surface of the gas- or steam-turbine rotor (4), in the circumferential direction; and a tool spindle (17) provided with a tool clamping device (16), in particular a tool spindle which can be driven using compressed air, wherein the tool spindle (17) is mounted on the housing (6) such that the tool spindle can be moved back and forth in the direction of the tool spindle longitudinal axis for the purpose of advancing the tool, and a milling tool (18) clamped in the tool spindle (17) protrudes outwards from the housing (6) in a direction transverse to the circumferential direction. The invention also relates to a machining method using such a machining device (1).
The invention relates to a cell (1, 1') for an electrolyser, the cell comprising a frame (5, 5') in which an expanded-metal support structure (19) for the anode, a microgrid (10), an MEA (13) and an additional expanded-metal stack cathode (22) are arranged, wherein the frame (5, 5') is constructed or divided in such a manner that the microgrid (10) is clamped onto or by the frame (4, 7, 4', 7').
Embodiment having a channel for transporting a fluid A backflow limiting structure (2a, 2b, 2c, 2d, 2e, 2f, 2g, 2h, 2i) which allows a flow of fluid in one direction (30). The backflow limiting structure (2a, 2b, 2c, 2d, 2e, 2f, 2g, 2h, 2i) can be arranged in a channel (1a, 1b). The channel (1a, 1b) can be part of an electrolyzer (24), fuel cell and/or storage cell. A resistance barrier (5a, 5b, 5c, 5d, 5e, 5f) of a backflow limiting structure (2a, 2b, 2c, 2d) provides an auxiliary section (10a, 10b, 10c, 10d) and a main section (9a, 9b, 9c, 9d). The backflow limiting structure (2a, 2b, 2c, 2d, 2e, 2f, 2g, 2h, 2i) interacts with a fluid, creating a different resistance depending on the direction of flow in the resistance barrier (5a, 5b, 5c, 5d, 5e, 5f).
A method of capturing carbon dioxide for use with a sorbent media includes the steps of configuring the sorbent media to receive a flow of a carbon dioxide containing gas within a pressure vessel, absorbing carbon dioxide from the carbon dioxide containing gas within the sorbent media during an absorption cycle, configuring the pressure vessel to be sealed with at least one lid, configuring the at least one lid to include at least one cryogenic heat exchanger, releasing an amount of carbon dioxide from the sorbent media during a desorption cycle, circulating a first heat transfer fluid through the at least one cryogenic heat exchanger, configuring the temperature and pressure within the pressure vessel to freeze an amount carbon dioxide on a surface of the at least one cryogenic heat exchanger directly as a solid, isolating and capturing the amount of frozen carbon dioxide during a carbon dioxide collection cycle.
B01D 53/00 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols
B01D 53/04 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par adsorption, p. ex. chromatographie préparatoire en phase gazeuse avec adsorbants fixes
The invention relates to a compressed-air storage power plant, comprising at least one first compressor (1), at least one compressed-air storage unit (2) and at least one first expander (3), which are connected in series in terms of flow, and a device (4) for supplying heat, said device being suitable for heating the compressed air which is removed from the compressed-air storage unit (2). A heat exchanger (5) is arranged downstream of the at least one expander (3) in the direction of flow, said heat exchanger being designed such that it can absorb residual heat from the exhaust air coming from the expander (3) and deliver it to a subsequent process (6). The invention also relates to a method for operating such a compressed-air storage power plant.
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
F01K 25/08 - Ensembles fonctionnels ou machines motrices caractérisés par l'emploi de fluides énergétiques particuliers non prévus ailleursEnsembles fonctionnant selon un cycle fermé, non prévus ailleurs utilisant des vapeurs particulières
81.
VACUUM INTERRUPTER FOR ESTABLISHING OR DISCONNECTING AN ELECTRICAL CONNECTION BETWEEN TWO DC VOLTAGE CONNECTIONS
The invention relates to a vacuum interrupter (1) for establishing or disconnecting an electrical connection between DC voltage connections, comprising: - a first connection side (2) and a second connection side (3), - a tube housing (5), - a first switch contact (6) which is movably arranged in the tube housing (5) and is electrically connected to the first connection side (2), wherein the first switching contact (6) has a mass, - a second switching contact (7) which is arranged in the tube housing (5) and is electrically connected to the second connection side (3), wherein the first switching contact (6) and the second switching contact (7) are arranged at a distance from one another in the tube housing (5), and - a switching unit (8) which is designed to establish or disconnect, on the basis of mechanical switch actuation (4), an electrical connection between the first and second switching contact (6, 7), characterised in that - the mass of the first switching contact (6) corresponds to a proportion in the range from 1% to 40% of the total mass of the vacuum interrupter (1).
The invention relates to an electrolyser (1) having a stack (2), an oxygen gas system (8) which is fluidically connected to anode-side regions, a hydrogen gas system (9) which is fluidically connected to cathode-side regions, an oxygen reservoir (14), a first oxygen connection conduit (16) which fluidically connects the oxygen gas system (8) to the oxygen reservoir (14), an oxygen-side shut-off element (10) which is disposed in the first oxygen connection conduit (16) and has a closed state and an open state, a hydrogen reservoir (15), a first hydrogen connection conduit (17) which fluidically connects the hydrogen gas system (9) to the hydrogen reservoir (15), a hydrogen-side shut-off element (11) which is disposed in the first hydrogen connection conduit (17) and has a closed state and an open state, and a control device (3) which is designed to bring the oxygen-side shut-off element (10) and the hydrogen-side shut-off element (11) simultaneously from the closed state to the open state on exceedance of a threshold value of a pressure differential between an anode-side gas and a cathode-side gas.
2222P2SETIN2ININ) is set as a function of the emitted heat quantity (Q). The invention also relates to an electrolysis plant (10) designed to carry out the method.
The invention relates to a vacuum interrupter (1). The vacuum interrupter (1) comprises a housing (3), a fixed contact (5) fixedly arranged in the housing (3), a moving contact (7) which can be moved in the housing (3) relative to the fixed contact (5) between a first end position, in which the moving contact (7) makes contact with the fixed contact (5), and a second end position, in which the moving contact (7) is spaced apart from the fixed contact (5), and a first drive element (9) and a second drive element (11) which are designed to move the moving contact (7) between the end positions. The movements of the drive elements (9, 11) are coordinated in such a way that, while the moving contact (7) is moving from the first end position to the second end position and while the moving contact (7) is moving from the second end position to the first end position, the drive elements (9, 11) each move relative to one another.
The invention relates to a heat pump circuit (1) for providing useful heat at a temperature of more than 130°C. The invention further relates to a method for operating such a heat pump circuit (1).
F25B 6/04 - Machines, installations ou systèmes à compression, avec plusieurs circuits de condenseurs disposés en série
F25B 9/00 - Machines, installations ou systèmes à compression dans lesquels le fluide frigorigène est l'air ou un autre gaz à point d'ébullition peu élevé
F25B 9/06 - Machines, installations ou systèmes à compression dans lesquels le fluide frigorigène est l'air ou un autre gaz à point d'ébullition peu élevé utilisant des détendeurs
F25B 27/00 - Machines, installations ou systèmes utilisant des sources d'énergie particulières
87.
CASING SUPPORT FOR SUPPORTING A GAS-TURBINE EXHUAST CASING
The invention relates to a casing support (01) for supporting a casing (31). The casing support (01) has a lattice-type design and comprises: at least two posts (02) arranged on both sides such that said posts are perpendicular to the casing (31) to be supported; and at least one transverse strut (03) for connecting the posts (02). The casing (31) is supported by means of a supporting element which extends between two posts (02). The supporting element is fastened, at each of its two ends, to a respective post head (12), such that the supporting element can be raised by means of a lifting device (11) which (11) is arranged on the post head (12). According to the invention, it is first provided that the supporting element is formed by a rigid bow-type support (05). An essential feature of the invention is that the lifting device (11) comprises a carrying element (14), which (14) is fastened to the post head (12) and on which the bow-type support (05) lies, and a lifting piston (13) which (13) is arranged between the carrying element (14) and the post head (12).
An electrolysis plant (300) with enhanced fault ride through capability comprises a transformer system (301) comprising an autotransformer (302) having a primary side connectable to an AC power grid (303) via a point of connection (304) and a secondary side with multiple taps (305), a rectifier system (306), and a set of electrolyser modules (307, 308, 309, 310), wherein the rectifier system (306) is connected to receive transformed AC power from the transformer system (301) and to provide DC power to the set of electrolyser modules (307, 308, 309, 310), and wherein an autotransformer secondary side electrical tap connection is selectively established as an electrical power transmission path through an on-load tap-changer OLTC (312), and wherein the OLTC (312) comprises a set of power electronic circuits and is configured to select one of the taps (305) and establish the corresponding electrical tap connection through at least one of the power electronic circuits as part of the electrical power transmission path.
H02J 3/00 - Circuits pour réseaux principaux ou de distribution, à courant alternatif
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
H02J 3/12 - Circuits pour réseaux principaux ou de distribution, à courant alternatif pour règler la tension dans des réseaux à courant alternatif par changement d'une caractéristique de la charge du réseau
H02J 9/06 - Circuits pour alimentation de puissance de secours ou de réserve, p. ex. pour éclairage de secours dans lesquels le système de distribution est déconnecté de la source normale et connecté à une source de réserve avec commutation automatique
2222P2SETIN2SETININ) is set as a function of the efficiency loss (Δη). The invention also relates to an electrolysis plant (10) designed to carry out the method.
The invention relates to a workpiece holding device (1) for a machining tool (100) designed for shortening rotor blades (3) of a turbomachine by removing material at the blade tip (2).
B24B 19/14 - Machines ou dispositifs conçus spécialement pour une opération particulière de meulage non couverte par d'autres groupes principaux pour meuler des aubes de turbine, des pales d'hélice ou similaires
B24B 21/16 - Machines ou dispositifs utilisant des bandes de meulage ou de polissageAccessoires à cet effet pour meuler d'autres surfaces d'un profil particulier
ggg). The proposed method compensates for the settling effect in the used gas diffusion layer (2a), which results in reusability of the gas diffusion layer (2b).
The invention relates to a method for avoiding drop impingement erosion in an axial compressor (1), wherein the axial compressor (1) has a rotatably mounted rotor (3) and a housing (5) arranged around the rotor (3), wherein a flow channel (7) is arranged between the rotor (3) and the housing (5), wherein the rotor (3) comprises compressor rotor blades (4), wherein the housing (5) comprises compressor guide blades (6), wherein the flow channel (7) is formed by the compressor guide blades (6) and compressor rotor blades (4), wherein at least one compressor guide blade (6) having a temperature device is designed in such a way that the compressor guide blade (6) can be heated, and the temperature device is designed in such a way that accumulations of a process medium on the surface (13) of the heated compressor guide blade (6) evaporate.
The invention relates to a method for determining an aging state of at least one electrolytic cell (12) of an electrolysis system (14), wherein a specified electrical current is applied to the at least one electrolytic cell (12), an electrical cell voltage (22) of the at least one electrolytic cell (12) is measured, and the specified current is switched off at a specified switch-off time. According to the invention, the cell voltage (22) measured in a specified evaluation period is evaluated and the aging state is determined on the basis of the evaluation, a start time of the evaluation period coinciding with the switch-off time.
C25B 1/34 - Production simultanée d'hydroxydes des métaux alcalins et de chlore, de ses oxyacides ou de ses sels, p. ex. électrolyse chlore-alcali
C25B 9/70 - Assemblages comprenant plusieurs cellules
C25B 15/02 - Commande ou régulation des opérations
C25B 1/46 - Production simultanée d'hydroxydes des métaux alcalins et de chlore, de ses oxyacides ou de ses sels, p. ex. électrolyse chlore-alcali dans des cellules à diaphragmes
94.
COMBUSTION SYSTEM HAVING MULTISTAGE BURNERS ARRANGED TO MIX AIR AND FUEL BASED ON FUEL PROPERTY AND ENGINE LOAD
A combustion system for a gas turbine engine is provided. The combustion system includes a first burner stage (701-1), a second burner stage (701-2), and a third burner stage (701-3), where the first, second, and third burner stages (701) are radially and axially spaced apart from one another. The system offers superior engine operability (e.g., inhibiting NOx and CO emissions and thermoacoustic instabilities) by way of structural and/or operational relationships that permit distributing heat release axially and radially within the combustion system, while maintaining a compact system and involving relatively low mechanical complexity.
F23R 3/34 - Alimentation de différentes zones de combustion
F23R 3/36 - Alimentation en combustibles différents
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
F02C 9/40 - Commande de l'alimentation en combustible spécialement adaptée à l'utilisation d'un combustible particulier ou de plusieurs combustibles
The invention relates to a combustion chamber (01) as part of a combustion device (11) and is used for the combustion of hydrogen with oxygen. Said combustion chamber extends along a chamber axis and has a combustion space (02) which is surrounded by an inner surface (05). At the upstream end there is a receiving opening (03) for the arrangement of a hydrogen burner (12), and at the downstream end there is an outlet opening (04) for the discharge of water vapor. The combustion chamber (01) can be divided into a combustion section (06), a transition section (07) and an outlet section (08). A cooling channel (23) is also required. The residual amount of unburned hydrogen and oxygen can be reduced by virtue of the heat transfer from the combustion space (02) to the cooling channel (23) in the region of the transition section (07) and outlet section (08) being increased, and by virtue of the free cross section (18) being continuously decreased in size in the outlet section (08).
F23D 14/22 - Brûleurs à gaz sans prémélangeur, c.-à-d. dans lesquels le combustible gazeux est mélangé à l'air de combustion à l'arrivée dans la zone de combustion avec des conduits d'alimentation en air et en gaz séparés, p. ex. avec des conduits disposés parallèlement ou se croisant
F23D 14/32 - Brûleurs pour la combustion d'un gaz, p. ex. d'un gaz stocké sous pression à l'état liquide utilisant un mélange de combustible gazeux et d'oxygène pur ou d'air enrichi d'oxygène
F23D 14/78 - Refroidissement des éléments du brûleur
96.
METHOD AND TEST DEVICE FOR CHECKING THE STATE OF A VACUUM INTERRUPTER UNIT ON THE BASIS OF X-RAY DIAGNOSTICS, AND TEST SYSTEM
The invention relates to a method for checking the state of a vacuum interrupter unit (1), having the steps of: - detecting X-ray radiation (8) emitted by the vacuum interrupter unit (1), - generating an image (11) of at least one radiation source (R1, R2, R3) in and/or on the vacuum interrupter unit (1) on the basis of the detected X-ray radiation (8), the X-ray radiation (8) being emitted from the at least one radiation source (R1, R2, R3), - determining at least one piece of information about the at least one radiation source (R1, R2, R3) on the basis of the generated image (11), and - checking the state of the vacuum interrupter unit (1) on the basis of the at least one piece of determined information about the at least one radiation source (R1, R2, R3). The invention also relates to a test device (6) and a test system (7).
The invention relates to a method for checking the state of a vacuum interrupter unit (1), having the steps of: - detecting X-ray radiation (9) emitted by the vacuum interrupter unit (1), - generating an image (12) of at least one radiation source (R1, R2, R3, R11, R12, R13) of the vacuum interrupter unit (1) on a projection plane on the basis of the detected X-ray radiation (9), at least one radiation source being represented by at least one image point (B1, B2, B3, B11, B12, B13) in the image (12), - detecting an X-ray spectrum (19, 20, 21, 22, 23) of the X-ray radiation (9) in the at least one image point (B1, B2, B3, B11, B12, B13), and - checking the state of the vacuum interrupter unit (1) on the basis of the detected X-ray spectrum (19, 20, 21, 22, 23). The invention also relates to a test device (7) and a test system (8).
22 comprising. For the electrolysis process a plurality of electrolysis cells (02) is required. An electrolyte reservoir (04) with connection to the electrolysis cells (02) and a cleaning system (06) is provided. To enlarge the operational time for the electrolysis system (01) it is foreseen that an electrolyte can pass through the cleaning system (06) during operation of the electrolysis system (01), wherein the cleaning system (06) comprises a formate reduction module (21). Here, a first separation column (22) and a second separation column (23) are arranged fluidly in parallel, which enables an alternating flow. The separation columns (22, 23) have a resin filling to enable a reduction of formate.
222) can be separated from a two-phase flow (2). The separator comprises a buffer tank (8) comprising a gas outlet (8a) and a liquid outlet (8b), wherein the buffer tank (8) is suitable for retaining a defined volume of gas (4) and liquid (5), and a cyclone arrangement (6, 7) which is set up to fluidically communicate with the buffer tank (8), wherein the cyclone (6, 7) comprises an inlet (2, 60) for receiving the two-phase flow (2), which is to be phase-separated during the electrolysis, and a gas outlet (4) being arranged apart from an additional liquid outlet (5, 70) of the cyclone. Furthermore, an electrolysis system (30) comprising the gas-liquid separator is provided.
The invention relates to a cell (16) for water electrolysis or for a fuel cell, wherein the cell (16) is compressed in a stack, wherein the cell (16) comprises a frame (4, 44, 44') in which at least one insert (6) is integrated, wherein a fastening means (8) can be or is introduced into the at least one insert (6) in order to secure a bipolar plate (7).
H01M 8/24 - Groupement d'éléments à combustible, p. ex. empilement d'éléments à combustible
H01M 8/0202 - CollecteursSéparateurs, p. ex. séparateurs bipolairesInterconnecteurs
C25B 1/00 - Production électrolytique de composés inorganiques ou de non-métaux
H01M 8/0273 - Moyens d’étanchéité ou de support autour des électrodes, des matrices ou des membranes avec des moyens d’étanchéité ou de support sous forme d’un cadre
brevets
