Patents Assigned to Voith Patent GmbH
  • Publication number: 20250243615
    Abstract: An air laying device for producing a fibrous mat at least partially from fibers including at wood pulp fibers and 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; 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; and a plurality of air nozzles which open into the ring channel and are configured for generating an air stream and for breaking down a plurality of fiber agglomerates.
    Type: Application
    Filed: December 18, 2024
    Publication date: July 31, 2025
    Applicant: Voith Patent GmbH
    Inventors: Tobias Henle, Alexander Gloning, Christian Kneissle
  • Patent number: 12372115
    Abstract: A bearing assembly includes: a shaft; a housing; a support structure; at least one first seal; at least one electrode connected to the support structure and arranged between the support structure and the shaft such that an oil vapor from the oil bath, which passes through the at least one first seal, must pass through a gap between the at least one electrode and the shaft in order to escape, the bearing assembly being configured for an electrical voltage to be applied between the at least one electrode and the shaft so as to direct oil particles contained in the oil vapor onto the at least one electrode such that the oil particles are separated at the at least one electrode; and a drainage channel configured for enabling oil separated at the at least one electrode to flow through the drainage channel into the oil bath.
    Type: Grant
    Filed: November 21, 2023
    Date of Patent: July 29, 2025
    Assignee: Voith Patent GmbH
    Inventors: Robert Schagerl, Martin Schabasser
  • Publication number: 20250237012
    Abstract: A method for operating a screening device for cleaning a fibrous suspension includes the steps of: providing that the screening device includes a housing, a rotor arranged in the housing, and a screen; feeding the fibrous suspension and a rinsing water to the screening device; passing a portion of the fibrous suspension through the screen; discharging the portion of the fibrous suspension passing through the screen via an accepted stock discharge; and regulating, depending on a power consumption of a rotor drive, at least one of an inflow into the screening device and a cycle duration.
    Type: Application
    Filed: April 11, 2025
    Publication date: July 24, 2025
    Applicant: Voith Patent GmbH
    Inventors: Wolfgang Müller, Pantelis Zafeiropoulos
  • Patent number: 12355198
    Abstract: A coupling system establishes an electric connection between two electric components. The first component is positioned in a housing and includes at least one busbar, and the second component is disposed outside the housing and includes at least one current connection. An electrically conductive connection can be established between the busbar and the current connection by the coupling system. The coupling system includes a plug insert which can be plugged into the housing. The plug insert includes an insulator part, in which a sleeve and a washer nut are fixed. The insulator part has a recess which is formed in such a way that the busbar can be moved between the sleeve and the disc nut through the recess. A plug insert for a coupling system is also provided.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: July 8, 2025
    Assignee: Voith Patent GmbH
    Inventors: Rainer Schütz, Marco Toneatto
  • Patent number: 12338562
    Abstract: The invention relates to an installation and to a method of producing a web, wherein the installation includes a device for producing a layer of wet laid fibres, which has an entangling device and at least one dryer disposed downstream in material transport direction. The device for producing the wet laid fibres is formed as a cylinder mould former.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: June 24, 2025
    Assignees: TRÜTZSCHLER GROUP SE, VOITH PATENT GMBH
    Inventors: Thomas Weigert, Kai Pöhler, Ralf Schröder, Andreas Schilz
  • Publication number: 20250189025
    Abstract: A hydrodynamic-mechanical power transmission device includes: an input shaft; an output shaft; a basic transmission configuration including a hydrodynamic converter and a superimposition transmission, the hydrodynamic converter including a pump impeller and a turbine wheel, the superimposition transmission being formed as a planetary transmission including a ring gear, a first sun gear, and a planet carrier with a plurality of planetary gears, the input shaft being connected to the pump impeller and the ring gear, the turbine wheel being connected to the first sun gear, the output shaft being connected at least indirectly to the planet carrier; and an additional transmission stage, which is arranged in a direction of a power transmission between the superimposition transmission and the output shaft, the additional transmission stage including an input and an output, the input being connected to the planet carrier, the output being connected to or forming the output shaft.
    Type: Application
    Filed: February 18, 2025
    Publication date: June 12, 2025
    Applicant: Voith Patent GmbH
    Inventors: Bernhard Ludas, Hartmut Graf
  • Publication number: 20250146221
    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.
    Type: Application
    Filed: January 7, 2025
    Publication date: May 8, 2025
    Applicant: Voith Patent GmbH
    Inventors: Franz Michael Pürzl, Martin Heinig, Hubert Bischof, Sarah Lippl
  • Patent number: 12286753
    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.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: April 29, 2025
    Assignee: Voith Patent GmbH
    Inventors: Robert Eberhardt, Tobias Englet
  • Publication number: 20250121463
    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.
    Type: Application
    Filed: December 23, 2024
    Publication date: April 17, 2025
    Applicant: Voith Patent GmbH
    Inventors: Walter Riegler, Seth Smith
  • Patent number: 12276068
    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.
    Type: Grant
    Filed: July 4, 2023
    Date of Patent: April 15, 2025
    Assignee: Voith Patent GmbH
    Inventor: Johann Boeck
  • Publication number: 20250101892
    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.
    Type: Application
    Filed: December 6, 2024
    Publication date: March 27, 2025
    Applicant: Voith Patent GmbH
    Inventor: Christopher Jipp
  • Patent number: 12239997
    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.
    Type: Grant
    Filed: November 6, 2023
    Date of Patent: March 4, 2025
    Assignee: Voith Patent GmbH
    Inventor: Thomas Jaschek
  • Patent number: 12226786
    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.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: February 18, 2025
    Assignee: Voith Patent GmbH
    Inventors: Dominik Appel, Jose Luiz Campos Souza
  • Patent number: 12221749
    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.
    Type: Grant
    Filed: December 16, 2022
    Date of Patent: February 11, 2025
    Assignee: Voith Patent GmbH
    Inventors: Dominik Marusa, José Luiz Campos Souza, Thomas Martin
  • Patent number: 12215447
    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.
    Type: Grant
    Filed: March 29, 2023
    Date of Patent: February 4, 2025
    Assignee: Voith Patent GmbH
    Inventors: Tobias Henle, Alexander Gloning, Christian Kneissle
  • Patent number: 12203216
    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.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: January 21, 2025
    Assignee: Voith Patent GmbH
    Inventors: Marc Erkelenz, Jose Luiz Campos Souza
  • Publication number: 20250020213
    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.
    Type: Application
    Filed: September 27, 2024
    Publication date: January 16, 2025
    Applicant: Voith Patent GmbH
    Inventors: Dieter Laukemann, Alexander Martin, Martin Blumenstock
  • Publication number: 20250023428
    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.
    Type: Application
    Filed: September 27, 2024
    Publication date: January 16, 2025
    Applicant: Voith Patent GmbH
    Inventors: Babette Schwarz, Alexandar Jung
  • Publication number: 20250011987
    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.
    Type: Application
    Filed: September 20, 2024
    Publication date: January 9, 2025
    Applicants: TRÜTZSCHLER GROUP SE, VOITH PATENT GMBH
    Inventors: Thomas WEIGERT, Kai PÖHLER, Ralf SCHRÖDER, Andreas SCHILZ
  • Publication number: 20250012248
    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.
    Type: Application
    Filed: September 13, 2024
    Publication date: January 9, 2025
    Applicant: Voith Patent GmbH
    Inventors: Thomas Ort, Veerandra Chakkaravarthy Andichamy, Rebecca Fuhrman, Kayli Rentzel