Abstract: A method for assembling a seal cartridge and a seal cartridge, wherein the seal cartridge includes a set of sealing components configured for being removably assembled to each other so as to form the seal cartridge and wherein at least one of said sealing components is configured for being secured to another sealing component and/or to a shaft casing by a tenon and mortise joint system.

Abstract: A turbine vane in a gas turbine engine includes an inner platform, an outer platform, and a vane airfoil positioned therebetween. The vane airfoil includes a first cooling passage extending between the outer platform and the inner platform, and a second cooling passage extending between the outer platform and the inner platform. The second cooling passage is arranged downstream of the first cooling passage with respect to a flow direction. The turbine vane includes a jumper tube disposed between the second cooling passage and the inner platform. The jumper tube includes an inlet, an outlet, and a tube wall enclosing a hollow interior. The inlet is positioned a distance within the second cooling passage. The outlet is positioned at least partially through an aperture of the inner platform.

Abstract: A mid-frame section of a gas turbine engine having a radial clearance adjustability and a method for adjusting a radial clearance to a rotor in a mid-frame section of a gas turbine engine are presented. The mid-frame section includes a radial clearance adjusting assembly arranged at a compressor exit diffusor. The radial clearance adjusting assembly is configured to adjust the radial clearance to the rotor such that the rotor is concentric with respect to components of the mid-frame section, such as the compressor exit diffusor and shaft cover. The radial clearance adjusting assembly provides radial clearance adjustability in the mid-frame section at multiple locations, such as at forward end and aft end of the compressor exit diffusor. The radial clearance adjusting assembly improves efficiency of the gas turbine and reduces service and operating cost of the gas turbine engine.

Abstract: An electrical system has a system housing and electrical components in the housing. At least two conductors of at least one of the electrical components are electrically insulated from one another by an electrical insulator. A sensor system is configured to detect a deposit of an electrically conductive foreign matter layer on the electrical insulator. The sensor system has a measuring surface arranged within the system housing on which at least two spaced-apart electrodes are arranged. The sensor system has a measurement circuit which is configured to measure a parameter which depends on a current flowing between the at least two electrodes. There is also described a method for determining a potential functional impairment in the electrical system.

Abstract: A configurable subsea wet-mateable connector includes a receptacle connector body and a plug connector body. The subsea receptacle connector unit includes at least two receptacle inserts chosen from at least one of a power connector unit, a data connector unit, an optical fibre connector unit, a pneumatic connector unit or a fluid connector unit. The subsea plug connector unit includes at least two plug inserts having the same two of a power connector unit, a data connector unit, an optical fibre connector unit, a pneumatic connector unit or a fluid connector unit.

Abstract: An electrical converter has an alternating-voltage side with at least two alternating-voltage terminals and a direct-voltage side. At least two series connections connected in parallel and each forming a converter arm of the converter assigned to one of the alternating-voltage terminals. Circular currents can flow between the series connections. According to the method, a load value describing the thermal load of the converter is calculated based on: an active power current value that indicates the active power current component of a phase current flowing across one of the alternating-voltage terminals; a reactive power current value that indicates the reactive power current component of the phase current flowing across the alternating-voltage terminal; and a circular current value that indicates the magnitude of the circular current(s) flowing between the series connections. The converter is controlled while also taking into account this load value.

Abstract: A method of additive manufacturing a thin-walled structure out of a powder bed by selective irradiation includes additively establishing a non-continuous support for supporting the thin-walled structure on a build plate, wherein non-continuous melt pools are generated in the powder bed, and additively establishing the thin-walled structure on the support. A component is manufactured according to the method.

Abstract: A combustion chamber (“steam booster”) system for burning hydrogen with the aim of heating a flow of steam and/or of increasing the steam states of the hydrogen, and a method and a plant. In the combustion chamber system, hydrogen and preferably oxygen can be burned in the presence of water and/or water vapor in a combustion chamber, steam can flow around the combustion chamber on the outside in an intermediate space, in particular can flow over the entire length of the combustion chamber in the intermediate space of a flame tube.

Abstract: A drive unit for driving switching contacts of a high-voltage circuit breaker includes an operating element, and a plurality of actuating elements for actuating the switching contacts, at least two of which are disposed at a distance from one another relative to an axis or shaft. A mechanism or lever mechanism transfers a movement of the operating element into corresponding movements of the actuating elements. The mechanism includes at least one shaft, rotatably mounted on the axis, for transferring the movement of the operating element into the corresponding movement of at least one actuating element which is disposed at a distance from the operating element along the axis. The drive unit has a compensation coupling device for compensating for a delay in the transfer of movement between at least two of the actuating elements disposed at a distance from one another relative to the axis.

Abstract: A continuous flow engine skid component contains a matrix material to improve the overall properties of the continuous flow engine skid component. The continuous flow engine skid component is part of a continuous flow engine skid or is adapted to be part of a continuous flow engine skid, wherein the continuous flow engine skid is adapted to fixate a continuous flow engine in a specified position, wherein the continuous flow engine skid component contains a matrix material, wherein the matrix material contains a nonmetal inorganic or organic matrix.

Abstract: A plug part for a subsea connector, the connector includes a plug and a receptacle. The plug part includes one or more female conducting contact assemblies each female conducting contact assembly including a female contact including inner and outer conducting surfaces, the inner conducting surface defining a cavity of the one or more female conducting contact assemblies and each female contact unit further including a shuttle pin adapted to receive a male contact pin of a receptacle. The female contact assembly further includes a solid insulator mounted radially outward of the external surface and forming an annulus between the outer surface of the female contact and an inner surface of the solid insulator and an orifice between the cavity and the annulus.

Abstract: An ignition apparatus for a spark gap arrangement containing at least a first and a second ignition capacitor for voltage division of a voltage between a first and a second electrode of the spark gap arrangement. A first trigger spark gap is arranged in a first parallel branch with respect to the first ignition capacitor, and a second trigger spark gap is arranged in a second parallel branch with respect to the second ignition capacitor. A first ignition resistor is disposed in the first parallel branch, wherein a first potential point between the first ignition resistor and the first trigger spark gap is connected to an ignition electrode of the second trigger spark gap. Furthermore, a spark gap arrangement containing the ignition apparatus, an arrangement containing a high-voltage device and the spark gap arrangement for protecting the high-voltage device, and a method for igniting the spark gap arrangement are disclosed.

Abstract: A method for measuring the vibration behaviour of a drivetrain of a turboset including a generator in a power plant connected to a power network, includes: a) selecting exciter signals, wherein the frequency spectrum extends significantly beyond the frequency range usual from the commissioning of pendulum damping devices, b) influencing the field current of the generator using the exciter signals such that mechanical vibrations are excited in the power plant turboset, c) measuring the excited mechanical vibrations including the resonance vibrations by measuring at least one suitable output variable, d) determining a transfer function from the exciter signal to the output variable measured, and e) determining the transfer function from the generator torque at a desired output variable using known transfer functions of the exciter signal at a desired input variable and/or of the desired output variable for the output variable measured on the basis of the transfer function determined.

Abstract: A multi-stage compressor assembly is disclosed. Each of the stages of the compressor assembly has rows of blades arranged to rotate in counter-opposite directions, and this is effective to produce relatively high specific work, and high flow-capacity in a compact footprint at moderate blade tip speeds. In one non-limiting application, the compressor assembly can be utilized to compress a gas having a low-molecular weight and density, such as hydrogen.

Abstract: A combustion section of a gas turbine includes an annular combustion chamber, a burner arrangement upstream of the combustion chamber, an annular compressor diffusor, and an annular combustion casing. The combustion casing has an outer section wall, an upstream section wall, and an inner section wall. The inner section wall extends along the rotor axis and is arranged between the burner arrangement and the compressor diffusor. A shielding is attached to the inner section wall at the side facing the rotor axis with a free space in-between at least. An outer diffusor wall of the compressor diffusor extends in axial direction up to the upstream half of the shielding.

Abstract: An alignment tool includes a mounting flange, a support leg fixedly coupled to the mounting flange and cooperating with the mounting flange to define a partial annular ring that extends in an arc between 190 degrees and 350 degrees, and a second quantity of jack bolt pairs movably coupled to the support leg, each jack bolt pair arranged to engage one of the first quantity of seal segments. A third quantity of mounting fasteners is positioned to fixedly attach the mounting flange to the inner casing.

Abstract: In a method for monitoring an electrical energy transmission device, time-resolved operating state data, environmental state data, and/or sensor sensor data are recorded. The operating state data relate to current, past and/or future operating states of the electrical energy transmission device; the environmental state data relate to current, past, and/or future states in an environment of the electrical energy transmission device; the sensor data are detected by at least one sensor of the electrical energy transmission device. The operating state data, the environmental data, and/or the sensor data are processed with a computational model to calculate a temperature curve of current, past and/or future temperatures of at least one module of the electrical energy transmission device. Based on the calculated temperature curve, a thermal load capacity of the module is determined based on a thermal load threshold for the module.

Abstract: A computer program product, an industrial installation in particular a paper-making machine, an apparatus and method for predicting a position of a web break of a fibrous material web that has occurred or is imminent, wherein the method includes capturing parameters, in particular speeds of rollers for transporting the fibrous material web or a web tension thereof, where the parameters are advantageously stored in the form of time series, a self-learning algorithm is used to detect the imminent web break and to determine the position of the web break which is imminent and/or has occurred, where the basis for the detection or the determination is a deviation of the respective parameter, such as from a temporal mean of the respective parameter.

Abstract: A method for monitoring the state of a component, includes: creating a video showing a region of the component and assembling a specified number n of captured frames of the video by (a) parameterising the individual transformations by one vector per frame, which vector defines the relevant Euclidean transformation, and forming a matrix P which includes the individual transformation parameters in the sequence of the frames; (b) constructing a graph which represents a specified energy function E which is dependent on the intensity data G which include the intensities of the individual images, and on the matrix P of the transformation parameters; (c) minimising the specified energy function by the constructed graph, in order to determine the optimal matrix P of the transformation parameters; and (d) orienting the frames in a global coordinate system by Euclidean transformations and the previously determined optimal matrix P of the transformation parameters.

Abstract: A power converter contains at least one phase module which has a plurality of modules which are electrically connected in series. Each module has a first electrical module connection, a second electrical module connection, a first electronic switching element, a second electronic switching element and an electrical energy storage device. The phase module is assigned at least one controllable voltage source which is suitable for generating a compensation voltage in response to a corresponding actuation, the compensation voltage has a time profile such that it reduces an error voltage generated by the switching of the first electronic switching elements and the second electronic switching elements of the module.