Abstract: A scraper holder for a scraping device of a machine for producing or processing a fibrous web has a base plate and a cover plate. The base plate and the cover plate are tiltable relative to one another about an axis of rotation which extends transversely to the machine direction. The cover plate includes a holding device to accommodate a scraper blade. The scraper holder has at least one application tube which is arranged in an interior space of the scraper holder which is delimited by the base plate and the cover plate. One or more cleaning openings are provided in the base plate, in order to allow liquid and/or dirt particles to be removed from the interior space to the outside.

Abstract: A clothing or seamed felt for a pressing section of a machine producing a fibrous web includes at least one base structure and at least one staple fiber layer is disposed on the base structure. The staple fiber layer is disposed on a side facing the fibrous web and/or the machine. At least one seam zone has seam loops connected to one another by at least one pintle or seam wire making the clothing endless. The staple fiber layer is divided in the region of the seam zone by at least one cut forming a seam flap and a seam wedge or gusset. At least one connecting element is inserted between the seam flap and the seam wedge. The connecting element is materially connected, in particular welded, to staple fibers of the seam flap and/or of the seam wedge. A method for using the clothing is also provided.

Abstract: A method of making a blade of a hydroelectric turbine installation includes: providing the blade includes a first part and a second part; machining the first part and the second part so as to form a profile of a first surface and a second surface of the blade; composing the blade by welding the first part to the second part, the welding forming a first weld seam located on the first surface and a second weld seam located on the second surface; and machining the first weld seam and the second weld seam, the first part and the second part being provided by casting, the first part including a first area of the first surface, a first area and a second area of the second surface, and the second part including a second area and a third area of the first surface and a third area of the second surface.

Abstract: A forming fabric tape for a machine for producing or processing a fiber material web, the forming fabric tape including an upper fabric layer including upper longitudinal threads and upper transversal threads woven into the upper longitudinal threads; and a lower fabric layer including lower longitudinal threads and lower transversal threads woven into the lower longitudinal threads, wherein the upper fabric layer and the lower fabric layer are arranged on top of one another so that the upper fabric layer is oriented towards the fiber material web and the lower fabric layer is oriented away from the fiber material web, wherein the upper longitudinal threads are offset from each other unevenly, wherein the upper longitudinal threads are arranged so that average distances of the upper longitudinal threads have the following sequence which is repeated continuously in the transversal direction of the fabric tape: large distance, large distance, small distance.

Abstract: A system for supplying at least one lubrication point of a machine with lubricating oil includes: a lubricating oil reservoir; a delivery pump; a heat exchanger; a lubrication point; a plurality of lines including a lubricating oil supply line and a lubricating oil return line, the lubrication point being hydraulically connected to the lubricating oil reservoir via the lubricating oil supply line and the lubricating oil return line, a lubricating oil circuit being configured such that the lubricating oil flows through the lubricating oil circuit in one flow direction, the lubricating oil return line including an inlet point which is configured for a protective medium, which is air, being introduced into the lubricating oil return line.

Abstract: A screen sorting device for cleaning a fibrous stock suspension includes: an inlet for the fibrous stock suspension; a first sorting stage, which includes a first accepts discharge; at least one second sorting stage, which includes a second accepts discharge; and a fill level detection way, which is configured for detecting an accumulation height in the at least one second sorting stage and is assigned to the at least one second sorting stage.

Abstract: An oscillating nozzle, in particular for a cleaning device, includes a fluid oscillator having an oscillation chamber. The oscillating nozzle is configured in an angled manner, so that the plane of the fluid jet is deflected in the interior of the nozzle. The deflection occurs downstream of the oscillation chamber. A cleaning device and a suction roller are also provided.

Abstract: The invention relates to a roller for producing a fibrous web, in particular a paper web including a rotationally symmetrical base body which is rotatable about a longitudinal axis and has a shell surface on which there are arranged at least two elastically deformable and/or deflectable ring-shaped lamellas which extend away from the shell surface in the radial direction and which surround the base body in the circumferential direction, wherein the lamellas are arranged at least in sections at an angle relative to a center plane of the roller aligned perpendicular to the longitudinal axis of the roller, thus forming an angle of inclination.

Abstract: An air laying device for producing a fibrous mat at least partially from a plurality of fibers including at least one of a plurality of wood pulp fibers and a plurality of cellulose fibers, the air laying device including: a ring distributor including a fiber feed and a ring channel, the ring channel including an outlet element forming a section of the ring channel; and a calming channel extending in a downward direction toward a forming fabric, the section being arranged within the calming channel, the outlet element including a plurality of openings configured for being that through which the plurality of fibers supplied by the fiber feed exit from the ring channel into the calming channel and move to the forming fabric to form the fibrous mat on the forming fabric.

Abstract: A method and a suitable device determine the contamination of a suction roller of a machine for producing a fibrous web, in particular a paper, cardboard, tissue or pulp web. The method includes the steps of: a. flowing a fluid through a measurement area of a roller shell, wherein either the pressure or the throughflow speed of the fluid is kept constant; b. determining a characteristic variable, wherein the characteristic variable includes the resulting throughflow speed in the case of a throughflow at a constant pressure and of the resulting pressure drop in the case of the measurement at a constant throughflow speed; c. providing one or more reference variables; and d. determining a degree of contamination of the suction roller by way of comparison of the characteristic variable with the reference variable or variables.

Abstract: A sealing system for separating two pressure zones includes: a shaft including a groove, which includes a plurality of groove sealing surfaces; a component; and a seal arranged between the shaft and the component, the seal being configured for moving axially in the groove, the seal including a plurality of sealing surfaces, wherein, based on a plurality of pressure conditions in the two pressure zones, the seal is configured for being moved into a first functional position or a second functional position, wherein the seal further includes a sliding region and a radial sealing surface including a diameter D that is adjustable elastically by the sliding region.

Abstract: An electric machine includes: a stator, which includes a radial inner edge and an opening; and a rotor, which defines a rotational axis and which includes a monitoring unit and a radial outer edge, the monitoring unit including a radar system, the radar system being a frequency-modulated continuous wave radar system which is configured for detecting a part of the stator and a part of the rotor, the radar system being configured for emitting a plurality of beams, the electric machine being configured such that the plurality of beams emitted by the radar system (i) impinge upon the rotor through the opening and (ii) penetrate an air gap between the radial outer edge of the rotor and the radial inner edge of the stator in a radial direction.

Abstract: An installation and method for producing a multilayer web includes a first circulating belt on which at least a first web is deposited. A cylinder mould former includes a second circulating belt and is disposed following the first device in a material transport direction for producing a layer of wet laid fibres having a top side for contacting the second circulating cylinder and being transported thereby for being deposited on the first web. An entangling and bonding device follows the cylinder mould former entangling and/or bonding the first web to the layer of wet laid fibres. A distance of 10 m maximum is maintained between the point of depositing the first web the layer of wet laid fibres. In another embodiment a second device following the first device for depositing a second web. The cylinder mould former is arranged between the first and second devices to deposit the layer of wet laid fibres on the first web before the second web is deposited.

Abstract: A method of refurbishing a facility for converting hydraulic energy into electrical energy including the following steps: providing a first cover plate, a second cover plate, a first opening located at an inner head cover, a second opening located at a hub, a third opening located at a runner; connecting the first cover plate to the inner head cover; connecting the second cover plate to the hub, wherein the first cover plate and the second cover plate surround an axis, and a part of an outer surface of the inner head cover, a part of an outer surface of the hub, an inner surface of the first cover plate, and an inner surface of the second cover plate are confining an annular shaped space.

Abstract: A regenerative energy absorption device for damping forces which occur during operation of a track-guided vehicle, in particular tensile, impact and/or torsional forces, wherein the energy absorption device includes at least one spring device with an elastomer body which is designed so as to at least partially deform elastically when forces are introduced into the energy absorption device, wherein the elastomer body is at least partially formed from an electrically conductive material, the specific electrical resistance of which varies under tensile and/or compressive load, and wherein the energy absorption device is allocated a resistance sensor device for detecting electrical conductivity or electrical resistance of the electrically conductive material.

Abstract: A woven fabric for a fiber web producing machine has a defined machine direction, a cross machine direction, a web facing side, and a machine side. The web facing side is formed by MD yarns that extend substantially in the machine direction and by CD yarns extending substantially in the cross machine direction of the woven fabric. The MD yarns and CD yarns are interwoven with each other and the woven fabric is configured to structure the fiber web produced on the woven fabric. A plurality of adjacent long flotations of MD yarns on the web facing side form together a discrete element that is raised on the web facing side for allowing the woven fabric to structure the fiber web. The term “long flotation” means that the MD yarn passes over at least six adjacent CD yarns on the web facing side of the woven fabric.

Abstract: An installation and a method for selectively producing a single-ply or alternatively a multi-ply nonwoven includes an inclined wire former configured to deposit a sheet of wet-laid fibre material on a first circulating belt, a further belt configured to receive the sheet of wet-laid fibre material from the first circulating belt, a roller card arranged downstream in the material transport direction and configured to introduce a roller card web into the installation, a hydroentanglement arranged downstream in the material transport direction and including at least one water beam configured to entangle, bond and/or structure a single sheet of fibres or a plurality of sheets of fibres, and a dryer arranged downstream in the material transport direction.

Abstract: A forming fabric tape for a machine for producing and/or processing a fiber material web, the forming fabric tape including an upper fabric layer including upper longitudinal threads and upper transversal threads woven into the upper longitudinal threads; and a lower fabric layer including lower longitudinal threads and lower transversal threads woven into the lower longitudinal threads, wherein the upper fabric layer and the lower fabric layer are arranged on top of one another so that the upper fabric layer is oriented towards the fiber material web being produced when the fabric tape is being used in the machine and the lower fabric layer is oriented away from the fiber material web being produced, wherein a first distance A1 between two directly adjacent lower longitudinal threads is greater than a second distance A2 between two directly adjacent lower longitudinal threads.

Abstract: A rotor for an electric machine includes: a rotor body; winding elements; and a winding head, which includes a winding head support and retaining elements, each of which includes a tension bolt and a support body, wherein the support bodies are arranged at least partially in a radial direction outside of the winding elements, wherein the tension bolt penetrates the support body associated therewith and is screwed into the winding head support by a thread, wherein each of the retaining elements includes a stop surface for coming into contact with the winding head support when screwing in the tension bolts in order thereby to adjust a radial length with which the tension bolts protrude from the winding head support to a predefined dimension, and wherein the predefined dimension is calculated so that the support bodies are not pressed against the winding elements in a resting position of the rotor.

Abstract: A rotor for an electric machine includes a rotor body, winding elements, and a winding head arranged axially adjacent to the rotor body, and wherein the winding head encompasses two regions, wherein in a first region the winding elements progress in axial direction, and wherein in a second region the winding elements progress at an angle to the axial direction, and wherein each winding element in the second region in which it progresses at an angle to the axial direction is located at a distance of A1 from a first directly adjacent winding element of the same layer and at a distance A2 from a second directly adjacent winding element of the same layer, wherein A2 is greater than A1.