Abstract: A direct air capture system includes a frame arranged to define a first adsorption unit and a second adsorption unit arranged around a central axis, a first adsorption cell disposed in the first adsorption unit and a second adsorption cell disposed in the second adsorption unit, each including a first opening and a second opening, a hub rotatably coupled to the frame for rotation around the central axis, an upper arm and a lower arm each coupled to the hub for co-rotation around the central axis, and an upper lid coupled to the upper arm and a lower lid coupled to the lower arm, both movable between an open position and a closed position. The upper arm and the lower arm are movable so that the upper and lower lids are positioned concentric with the first opening and the second opening, respectively.

Abstract: A device controls a power flow in an AC network and has a series converter with a DC side to connect to a DC link and an AC side to connect to the AC network via a series transformer. The device further has a bridging arrangement between the series transformer and the series converter configured to bridge the series converter. The bridging arrangement contains at least one bridging branch having a switching unit with antiparallel thyristors and a resistance in series with the switching unit. Furthermore, a method of operation operates the device.

Abstract: A 3D screen printing printer for producing a component includes a first and second roll which are spaced apart and a printing plate secured to the first and second roll, is wound on the first roll, has a plurality of portions located side by side in the longitudinal direction and each have a stencil for a particular layer of the component. The first and second roll rotate and unwind the printing plate from the first roll and onto the second roll, and the printing plate is transported from the first to the second roll. The printing plate has a part which is tensioned by the first and second roll and extends in the movement direction from the first to the second roll. The longitudinal direction of the tensioned part coincides with the movement direction and the 3D screen printing printer pushes a printing paste through the tensioned part.

Abstract: An erosion sensor includes a plurality of individual sensing elements arranged in a stack. Each sensing element is separated from an adjacent sensing element by an electrically non-conducting material. The erosion sensor further includes a reference sensing element, the reference sensing element being separated from the closest sensing element, of the plurality of individual sensing elements, by an electrically non-conducting material. Each sensing element has a thickness of at least 0.25 mm.

Abstract: An independently mountable sensor system for a wet-mateable subsea connector or a dry-mateable subsea connector having at least one of a receptacle connector body or a plug connector body with a pressure vessel; one or more sensors, a power source, a transmitter, a processor and a memory within the pressure vessel. The pressure inside the pressure vessel is maintained at a predetermined pressure and an antenna is provided in the sensor system. The pressure vessel includes an electromagnetically transparent section to permit electromagnetic waves to pass between the sensor system and an external receiver. The sensor system is configured to be mounted between a back end and a front end of the receptacle connector body, or between a back end and a front end of the plug connector body; or configured to be mounted to the connector body back end.

Abstract: A method is provided for the computer-aided open-loop and/or closed-loop control of the operation of an energy generation system.

Abstract: A waste heat recovery system 10 is provided to (i) capture waste heat 16, such as from or within an exhaust pipe 32 of a tractor-trailer 18, (ii) extract a thermal heat value from the waste heat 16, (iii) convert the thermal heat value into electricity, and (iv) route the electricity to an electricity sink 26, such as a tractor-trailer 18 Transport Refrigeration Unit (TRU).

Abstract: A power converter arrangement with a modular multi-level converter which includes a series circuit of switch modules which each have a plurality of semiconductor switches and an energy source. Some of the switch modules are of a first type and others of the switch modules are of a second type. During operation, a positive switch module voltage, a negative voltage module voltage, or a null voltage is generated at connection terminals of the switch modules of the first type, and a positive switch module voltage or a null voltage can be generated at connection terminals of the switch modules of the second type. The power converter arrangement further contains a support structure having a number of levels, which each have receptacles in which the switch modules are arranged, with both switch modules of the first and second type being arranged in each level of the support structure.

Abstract: A method for monitoring an electrical-energy transmission system having a plurality of system components. Each of the system components includes a sensor unit, which captures measurement data regarding at least one operating parameter of the system component, and a communication interface, which transmits the measurement data and component information regarding the system component. The measurement data and component information regarding a system component are transferred into a data cloud by way of the communication interface of the system component. A graphical user interface is configured to visualize information regarding the electrical-energy transmission system. The information is generated from the measurement data and component information transferred into the data cloud. A user profile defining the information displayed to the user is created for a user of the graphical user interface.

Abstract: An auxetic (NPR) structure includes a plurality of vertical intersecting dimpled sheets, each dimpled sheet exhibiting a negative Poisson's ratio, each dimpled sheet intersects two adjacent dimpled sheets creating a rectangular tubular structure, and having a portion of each dimpled sheet projecting outward from its intersection with an adjacent dimpled sheet, the amplitude of each dimple on the plurality of dimpled sheets is such that no overhanging surface of the dimpled sheet exceeds an angle threshold for printability without support structures.

Abstract: A power transformer unit includes at least one single-phase transformer for connection to a high-voltage network. Each single-phase transformer includes a tank filled with insulating fluid receiving a core having high and low-voltage windings, at least one bushing socket connected to the high or low-voltage winding by a winding connection cable inside the tank, at least one high-voltage bushing to be inserted into the bushing socket, cooling equipment for the fluid and an expansion vessel compensating for temperature-induced volume fluctuations of the fluid. To transport the power transformer unit as quickly as possible and to put the power transformer unit into operation in situ, the expansion vessel and the cooling equipment are mechanically firmly connected to the tank and together with the tank and each bushing socket form a transport unit having an external contour lying inside a predetermined transport profile.

Abstract: An arrangement includes a solar cell and a covering, wherein the covering covers the solar cell, at least on the side that is intended to be exposed to electromagnetic radiation of the sun. The covering has an electrochromic layer. The arrangement also has a control unit for controlling the electrochromic layer. The control unit is designed to control the transmittance of the electrochromic layer for electromagnetic radiation in a defined wavelength range by applying an electrical voltage to the electrochromic layer.

Abstract: A subsea single phase coupler for a subsea connector includes a housing having an inboard end and an outboard end. The inboard end of the housing includes a rigid mount to receive a first wet mate connector part. The outboard end of the housing includes a cradle to receive a second wet mate connector part. The housing further includes a first locating element in the cradle to receive a second locating element on the second wet mate connector part to locate the second connector part in the housing after connection of the first and second wet mate connector parts. The coupler housing includes a section of standard profile beam.

Abstract: An electrolyzer with a plurality of cell elements, and with a feed pipe and a discharge pipe for feeding and discharging electrolyte to and from the cell elements, wherein the feed pipe and/or the discharge pipe have, at least in some sections, at least two electrically isolated part-lines, wherein the part-lines extend in the feed pipe over a predetermined length in the opposite direction to the direction of electrolyte flow and/or extend in the discharge pipe over a predetermined length in the same direction as the direction of electrolyte flow.

Abstract: A secure method for self-(re)calibration or self-calibration of devices, more particularly measuring devices, by the operator, wherein a digitized process flow in a data chain (DLT), more particularly blockchain established and secured using distributed ledge technology, is used. The method includes a digitized process sequence set up in a data chain (DLT), a device is registered with its implemented measuring device properties, an inspection authority gains access to the measurement information from the device, the inspection authority establishes an operative connection between the device and a working standard, the determined measurement data for the working standard are read out in encrypted form and are transmitted to the inspection authority in encrypted form, in the event of successful calibration or gaging of the device, the inspection authority stores this result in the data chain.

Abstract: A nickel-base alloy for high-temperature applications, preferably for gas turbines, and a process. A selective choice of alloy elements permits the provision of an alloy which can be used to produce components devoid of cracking.

Abstract: A system and method for providing a digital simulation of a technical installation, and a corresponding computer program product, wherein the digital simulation is dynamically generated such that the digital simulation is adapted to a specified training scenario. This is accomplished using a provided basic class, which implements, independently of devices, functions of elementary hardware components, and using a library of virtual devices, which deterministically simulate the topology and the functional behavior of corresponding real devices. The virtual devices have a hierarchically nested structure, such that a hierarchically higher device comprises at least one hierarchically lower device and/or at least one of the elementary hardware components.

Abstract: An installation includes a steam generator and a steam load, wherein the steam load requires a first steam quantity in a normal mode and a second larger steam quantity in the event of a fault, and steam is instantaneously generated by an instantaneous steam generator in order to provide the second steam quantity.

Abstract: A device for the electrolysis of CO2 and/or CO, with which an effective extraction of a cathode product can be ensured. The device includes a first gas feed, a first ion exchange membrane, an anode space including an anode, an extraction space, an extraction medium incorporated in the extraction space, a first feed for the extraction medium, and a first drain for the extraction medium. A method for carrying out an electrolysis of CO2 and/or CO, with which a corresponding extraction can be achieved with the device.