Abstract: DC-to-DC converter for converting an input direct voltage V1 into at least one variable output direct voltage Vout, comprising at least two switched converter units (2, 2?) each having at least one electronically controllable half bridge (3, 3?), and a control unit (4) which is designed to control the half bridges (3, 3?) in a modulation method with a variable period duration and a variable duty cycle, wherein a dedicated current sensor (6, 6?) is provided in each of the output lines (5, 5?) of the converter units (2, 2?), and the control unit (4) is designed to receive the amperages 12, 12? of the converter units (2, 2?) measured by the current sensors (6, 6?), and to control the converter units (2, 2?) with duty cycles which differ from one another, in particular to activate individual converter units (2, 2?) with duty cycles which are reduced compared to other converter units (2, 2?), or not to activate these, wherein the output lines (5, 5?) of the converter units (2, 2?) are interconnected after the curr

Abstract: A high-power plug connection system is provided comprising a cable connection housing for connecting at least two electric high-power plug connectors in order to transmit and/or distribute high electric current strengths and/or high electric voltages, at least two insulating bodies for receiving a respective high-power contact and at least one electrically conductive rail, wherein the longitudinal axes of the high-power contacts are arranged essentially in one plane in an offset manner from each other, the high-power contacts being connected together in an electrically conductive manner by the electrically conductive rail, said high-power contacts being provided with at least one recess, into which the rail at least partly fits, and wherein an interior space formed in the cable connection housing is at least partially encapsulated with a dielectric substance.

Abstract: A cost-effective and resource-saving method for manufacturing a trim element, in particular a trim element which is used as a vehicle interior lining element. The trim element has a rear side reinforcement layer and a decorative surface. In the method according to the invention, a first layer is bonded in a first lamination step under pressure and heat to a first lamination and a second layer is bonded in a second lamination step under pressure and heat to a second lamination. The heat introduced in the second lamination step also acts in the first lamination and increases its bonding strength to the first layer.

Abstract: A method for classifying an underlying surface travelled by an agricultural utility vehicle includes acquiring a detail of a surface of the underlying surface in the form of optical data, classifying the optical data in a data processing unit with respect to different underlying surface classes, and determining an underlying surface class on the basis of the classifying step. Output data is output from the data processing unit representative of the determined underlying surface class as a classification result. A technical feature of the utility vehicle is adapted as a function of the classification result.

Abstract: A charging cable for electrical connection of an energy store of a vehicle to an energy supply unit. The charging cable includes a charging line including a coupling and as multiple conductors electrically connected to the coupling, a first connection device including an energy transfer arrangement for electrical connection to the energy store, a second connection device including a first connection for electrical connection to the energy supply unit and including a second connection for detachable electrical connection to the coupling, respectively one electrical conductor of the charging line being assigned to at least a portion of the energy transfer arrangement of the first connection device, the first connection device including a control unit, the first connection device or the charging line including a bypass switch, the bypass switch being switchable between a first switching state and a second switching state based on a type of the second connection device.

Abstract: A therapeutic gas source and cart and methods thereof for use with a therapeutic gas delivery system is disclosed. The therapeutic gas source may include a cylinder operable to contain a therapeutic gas that includes a body and a gas source valve body. In some examples, the gas source valve body has a valve and a coupling member.

Abstract: The object of the present invention is a method for the production of block polymers comprising a firstand a second block comprising the method steps: A) providing a first block having a nucleophilic peptide sequence for afirst transpeptidase enzyme, B) providing a second block having a peptide recognition sequence for the first transpeptidase enzyme, C) linking the first block to the second block by means of the first transpeptidase enzyme, wherein the first and second blocks are independently selected from nanoparticles, non-peptide polymers, and recombinant proteins. Such a production method makes it possible to build block polymers from identical or different blocks in a particularly simple and controlled manner.

Abstract: The invention relates to a converter assembly comprising at least two converters (7, 7?) and a control unit (1) connected to the converters (7, 7?), wherein the control unit (1) is designed, continuously or at discrete time intervals, to transmit to the converters (7, 7?) their permissible electrical power range, in particular their minimum power value Pmin and/or their maximum power value Pmax, to determine the current power balance of the individual converters (7, 7?) or to receive it from same, and to adjust the permissible electrical power range of the converters (7, 7?) in such a way that the power balance of the entire converter assembly does not leave a predefined range. The invention also relates to a method for operating a converter assembly of this type.

Abstract: The invention relates to a converter assembly for converting a DC voltage from a DC voltage source, e.g. a battery, a fuel cell or a DC voltage intermediate circuit, into an N-phase AC voltage, e.g.

Abstract: The invention relates to a converter assembly comprising a DC voltage intermediate circuit (1) for providing a DC voltage VDC, comprising a positive terminal and a negative terminal, and at least one machine converter (2) for converting the DC voltage VDC into a multi-phase AC voltage, wherein at least one energy storage capacitor (3, 3?) is arranged in the DC voltage intermediate circuit (1), and wherein a frequency-dependent resistor (4) which has a higher electrical resistance at high frequencies than at low frequencies is arranged in series with the energy storage capacitor (3, 3?).

Abstract: A method for automating an agricultural work task which is performed by a tillage device on an agricultural tractor includes modifying via a control unit at least one process control variable representing a working or operating parameter of the tillage device using feedback data which represent a field state of a field surface before or after tillage, generating via an imaging sensor a ground image of the field surface, and evaluating via a data processing unit the ground image to determine at least some of the feedback data. The data processing unit evaluates the ground image such that the ground image is used to determine the feedback data depending on the result of a monitoring of the field surface for visually covering air dust.

Abstract: A method for assisting a coupling procedure at an agricultural implement interface includes determining via a control unit whether a set-down procedure associated with unhitching the implement is being executed, determining cartographically via the control unit in communication with a position detection unit a set-down location of the implement and a driving trajectory travelled by the agricultural tractor from the set-down location along a defined route, storing via the control unit the set-down location and the driving trajectory as an associated dataset in a memory unit together with type information about the implement provided by an information unit, retrieving via the control unit the associated dataset to re-hitch the implement, and guiding via the control unit the agricultural tractor back from a defined start position along the driving trajectory to the set-down location by issuing associated control commands.

Abstract: An in-the-ear (ITE) hearing aid has a housing that is designed for insertion into an ear canal of a hearing aid wearer. The housing has a housing shell. The housing shell has an antenna, in particular a folded, capacitively charged dipole antenna. The antenna is mounted in particular on an outer surface of the housing shell.

Abstract: In a method and system for opening a container having a lock device, a mobile terminal exchanges data with the lock device using near-field data transmission and exchanges data with a server using far-filed data transmission. The mobile terminal stores container reconfiguration data and container operating data, which include at least time data and access data. The server generates new container reconfiguration data in response to receiving the container operating data from the mobile terminal and transmits the new container reconfiguration data to the mobile terminal using the far-field data transmission. The new container reconfiguration data are then transmitted from the mobile terminal to the lock device using the near-filed transmission.

Abstract: The present invention is concerned with improved swirl burners, particularly, but not limited to, swirl burners used in fuel cell systems.

Abstract: A method of providing a workpiece with an anodised aluminium surface with varying colour. The anodised surface is added colour, such as evenly, so that a colour concentration profile exists through the depth, where after a portion of the outer layer is removed to arrive at colour corresponding to a particular depth.

Abstract: A method and a device for locating faults along an energy supply chain for DC current systems. To provide a reliable fault location for DC current systems, at least one reference short circuit is generated at a known reference fault location of the energy supply chain and at least one physical property of the energy supply chain is determined during the reference short circuit. At least one physical property of the energy supply chain during the operational short circuit is determined, and a fault location of the operational short circuit is determined, taking into account at least the determined physical properties during the reference short circuit and the operational short circuit and the reference fault location.

Abstract: An apparatus for connecting and monitoring processes of a production machine includes a process monitoring device designed to capture sensor data relating to the production machine and process data relating to the production machine, and a connection device designed to capture control data relating to the production machine. The apparatus is designed to change a hardware function of the apparatus based on the sensor data, the process data, and the control data. The process monitoring device may be designed to carry out data processing for the sensor data and the process data, or the connection device may be designed to carry out data processing of the control data. The apparatus may include a field-programmable logic gate array device designed to change the hardware function.

Abstract: An electrical connector consists of a connector housing (10) and at least one electrical contact element (1). The connector housing (10) and/or the electrical contact element (1) have a lead content of <0.1 weight percent. A method for manufacturing a contact element from a blank which has a lead content of <0.1 weight percent, uses the following method steps: Loading the blank into a manufacturing machine; producing a pin region or a socket region for electrically contacting another, opposite contact element; producing a fixing region for fixing the contact element in an insulating body; producing a crimp region for electrically connecting a conductor to the contact element or finishing the crimp region if the blank has already been previously prepared on a different machine; and removing the finished contact element from the manufacturing machine.

Abstract: A steam generator for a fuel cell system having a heat exchanger (34) with at least one internal heat exchange surface, a water inflow pipe (46), a dripper head (52) with a flow passageway fluidly connected to the water inflow pipe (46). The dripper head (52) extends inside the heat exchanger (52) above the heat exchange surface for feeding water down onto the heat exchange surface for conversion into steam. The dripper head (52) has outlet holes (56) spaced along the flow passageway and between adjacent outlet (holes 56) the dripper head has a stepped profile on at least its underside to prevent droplets from adjacent holes coalescing. A fuel inflow pipe can have a section mounted coaxially to a part of the water inflow pipe (46). The fuel inflow pipe's section can surround the water inflow pipe's part.