Patents Assigned to MTU
  • ROTOR FOR A TURBOMACHINE AND TURBOMACHINE
    Publication number: 20230128349
    Abstract: The invention relates to a rotor for a turbomachine, having at least one blade and having at least one rotor main part, which has at least one recess, in which a blade root of the least one blade is interlockingly received, wherein the blade root comprises at least one depression, in which at least one protrusion of the at least one rotor main part which protrusion delimits the at least one recess in regions is received, wherein the at least one depression is delimited by a first delimiting face on the blade root side and the at least one protrusion is delimited by a second delimiting face on the rotor main part side. At least the first delimiting face has at least one elevation which narrows a gap at least in regions, which extends between the first delimiting face and the second delimiting face.
    Type: Application
    Filed: December 7, 2020
    Publication date: April 27, 2023
    Applicant: MTU Aero Engines AG
    Inventors: Martin Pernleitner, Dieter Freno, Manfred Dopfer, Tino Hummel, Klaus Wittig
  • SEAL CARRIER FOR A TURBOMACHINE, HAVING SLOT-LIKE OPENINGS IN THE SEAL BODY
    Publication number: 20230127895
    Abstract: The invention relates to a seal carrier for a turbomachine, in particular a gas turbine, having a carrier base and at least one seal body, wherein the at least one seal body is connected to the carrier base, and wherein the at least one seal body is formed by a plurality of cavities arranged next to one another, in particular uniformly, in the peripheral direction and in the axial direction, wherein the cavities extend out from the carrier base in the radial direction and are delimited by a cavity wall. According to the invention, the seal body has a plurality of damping portions which are designed to locally damp or disrupt the flow of force in the seal body, wherein the carrier base is continuous in the region of the damping portions.
    Type: Application
    Filed: December 1, 2020
    Publication date: April 27, 2023
    Applicant: MTU Aero Engines AG
    Inventor: Alexander Klötzer
  • STATE MONITORING SYSTEM HAVING A BORESCOPE DEVICE FOR A GAS TURBINE
    Publication number: 20230132178
    Abstract: The invention relates to a monitoring system for a gas turbine, in particular for an aircraft engine. The monitoring system comprises at least one borescope device that is able to be mounted in a borescope opening of a gas turbine housing and has a housing, in which at least one optical sensor device for acquiring images of at least one inner region of the gas turbine is arranged, and an evaluation device that is able to be connected to the at least one borescope device in order to exchange data and is designed to inspect the at least one inner region for the presence of a fault on the basis of the at least one image acquired by way of the sensor device. The invention furthermore relates to a borescope device to an evaluation device and to a gas turbine.
    Type: Application
    Filed: December 8, 2020
    Publication date: April 27, 2023
    Applicant: MTU Aero Engines AG
    Inventor: Bernd Kriegl
  • Regulating method for a charged internal combustion engine
    Patent number: 11635034
    Abstract: A regulating method for a charged internal combustion engine, wherein an operating point of the compressor is adjusted in a compressor map by a compressor position regulator based on a throttle valve regulation deviation in that both a first manipulated variable for actuating the compressor bypass valve as well as a second manipulated variable for actuating the turbine bypass valve are calculated by the compressor position regulator. The operating point of the compressor is corrected by a correction regulator on the basis of an air mass regulation deviation in that both a first correction variable for correcting the first manipulated variable as well as a second correction variable for correcting the second manipulated variable are calculated by the correction regulator.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: April 25, 2023
    Assignee: MTU FRIEDRICHSHAFEN GMBH
    Inventors: Andreas Flohr, Christof Kibele
  • GUIDE VANE RING FOR A TURBOMACHINE, TURBOMACHINE AND METHOD FOR MOUNTING A GUIDE VANE RING
    Publication number: 20230099406
    Abstract: The invention relates to a guide vane ring for a turbomachine comprising at least one guide vane, at least one bearing body, and at least two inner ring segments. The guide vane has a bearing journal that is arranged in a in form-fitting manner in a bearing bush of the at least one bearing body. The at least two inner ring segments have on their respective outer radial faces a guide channel running along a circumferential direction of the guide vane ring for receiving the bearing body, into which project at least two opposite-lying guide projections of the inner ring segments, said projections running along the circumferential direction of the guide vane ring. The bearing bodyis arranged in the guide channel of the inner ring segments, and the at least two guide projections of the inner ring segments engage in at least two guide grooves of the bearing body.
    Type: Application
    Filed: August 3, 2022
    Publication date: March 30, 2023
    Applicant: MTU Aero Engines AG
    Inventor: Werner Humhauser
  • Method for smoothing a surface of a component
    Patent number: 11612977
    Abstract: The present invention relates to a method for smoothing a surface of a component, in which a component is placed in a liquid-solids mixture; a relative movement is produced between the liquid-solids mixture and the component; thus there is a flow of the liquid-solids mixture along the surface; wherein there is provided in the liquid-solids mixture a guide surface, along which the liquid-solids mixture flows, wherein a directional component toward the surface is imposed on the flow.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: March 28, 2023
    Assignee: MTU Aero Engines AG
    Inventors: Martin Fessler-Knobel, Joerg Windprechtinger, Georg Asti
  • ADJUSTMENT ASSEMBLY FOR ADJUSTABLE BLADES OR VANES OF A TURBOMACHINE
    Publication number: 20230077444
    Abstract: The present invention relates to an adjustment assembly for the adjustment of adjustable blades or vanes of a turbomachine, having an adjustment ring for coupling to the adjustable blades or vanes of a blade or vane ring and having an adjusting mechanism, which has a coupling rod for coupling to a further blade or vane ring as well as a lever and a push rod, wherein the lever is rotatably mounted at a pivot and has a load arm as well as a force arm, wherein the load arm of the lever is coupled to the push rod and its force arm is coupled to the coupling rod, on different sides of the lever, so that an offset of the coupling rod via the lever and the push rod is converted to a rotation of the adjustment ring around the ring axis thereof.
    Type: Application
    Filed: September 12, 2022
    Publication date: March 16, 2023
    Applicant: MTU Aero Engines AG
    Inventor: Oskar Ostermeir
  • AIRFOIL FOR A COMPRESSOR OF A TURBOMACHINE
    Publication number: 20230070018
    Abstract: The invention relates to an airfoil for a compressor of a turbomachine, which extends starting from a blade root between a leading edge and a trailing edge to a blade tip, wherein the leading edge has a leading-edge thickness and the airfoil has a maximum profile thickness, the ratio of which to each other represents a relative leading-edge thickness, and the airfoil has a leading-edge wedge angle.
    Type: Application
    Filed: September 6, 2022
    Publication date: March 9, 2023
    Applicant: MTU Aero Engines AG
    Inventors: Benjamin Hanschke, Michael Junge, Astrid Kraus, Francesca Storti
  • MANUFACTURING DEVICE FOR ELECTROCHEMICAL MACHINING OF A COMPONENT, IN PARTICULAR A TURBINE COMPONENT, METHOD FOR ELECTROCHEMICAL MACHINING OF A COMPONENT, AND COMPONENT
    Publication number: 20230064929
    Abstract: The invention relates to a manufacturing device for the electrochemical machining of a component, in particular a turbine component, wherein the manufacturing device comprises at least one machining device, which is set up to remove material of the component in accordance with a predetermined electrochemical machining method. It is provided that the manufacturing device comprises at least one cleaning device, which is set up to spray jets of the electrolyte solution onto the component in accordance with a predetermined jet-spraying method in order to remove a residue layer formed on the component during the predetermined electrochemical machining method.
    Type: Application
    Filed: August 28, 2022
    Publication date: March 2, 2023
    Applicant: MTU Aero Engines AG
    Inventors: Kilian Bayer, Benjamin Steininger, Gazmen Dzemajili
  • METHOD, DEVICE, AND GRAPHICAL USER INTERFACE FOR ANALYSING A MECHANICAL OBJECT
    Publication number: 20230068226
    Abstract: The disclosure is directed to a method comprising the steps: carrying out multiple measurements on a mechanical object, the measurements each differing by one or more parameters influencing the measurement; determining a spectrogram on the basis of the measurement data of the measurements and depending on a predefined parameter of the mechanical object; determining one or more excitations of the mechanical object; reproducing the excitations in the spectrogram.
    Type: Application
    Filed: January 27, 2021
    Publication date: March 2, 2023
    Applicant: MTU Aero Engines AG
    Inventors: Daniel Theurich, Michael Junge
  • MACHINING APPARATUS AND METHOD FOR ELECTROCHEMICALLY REMOVING COMPONENT LAYERS OF A COMPONENT
    Publication number: 20230055362
    Abstract: The invention relates to a machining apparatus for electrochemically removing component layers of a component, having at least one electrode, which is mounted so as to be movable along at least one infeed axis, and having at least one auxiliary electrode, which is mounted so as to be movable along an auxiliary infeed axis, wherein a gap for arranging the component for electrochemically removing the component layers extends between the at least one electrode and the at least one auxiliary electrode. At least the infeed axis and a longitudinal extension direction of the gap enclose an acute angle with each other. The machining apparatus comprises at least one oscillation device (40), which is set up at least to move the at least one electrode in an oscillating manner along the infeed axis and relative to the at least one auxiliary electrode.
    Type: Application
    Filed: February 10, 2021
    Publication date: February 23, 2023
    Applicant: MTU Aero Engines AG
    Inventors: Roland Huttner, Christian Doll, Matthias Hillmann
  • Blade for a turbomachine
    Patent number: 11585225
    Abstract: The invention refers to a blade for a turbomachine comprising a shroud which is positioned on a tip side of the blade having an outer surface having at least one circumferential web arranged thereon, at least one pocket recessed in the outer surface and a hardfacing provided on at least one edge of the shroud wherein a pocket recessed in the outer surface is arranged adjacent to the hardfacing and a side face of the pocket joins the supporting wall with a radius corresponding at least to the length of the shorter extension of the supporting wall and at most to 1.5 times the length of the larger extension of the supporting wall.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: February 21, 2023
    Assignee: MTU Aero Engines AG
    Inventors: Krzysztof Skura, Christian Eichler, Lutz Friedrich
  • Gas turbine blade arrangement
    Patent number: 11585223
    Abstract: A curved contour of the lateral surface of a blade arrangement includes in at least one meridian section on mutually opposite sides of a blade airfoil an intersection point that is closer to the blade airfoil front edge, and an intersection point that is closer to the blade airfoil rear edge, and a best-fit line of least square distances from the curved contour. The curved contour includes first and/or the second contour section which meet specified conditions.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: February 21, 2023
    Assignee: MTU Aero Engines AG
    Inventors: Wilfried Schuette, Axel Stettner, Michael Junge
  • Gas turbine component
    Patent number: 11585242
    Abstract: A gas turbine component, in particular a stator vane cluster (10), having at least one radial flange (12, 13) with a radial slot (20) for spoke-type centering of a gas turbine element, in particular an inner ring (100), the radial slot (20) having a first slot flank (21), a slot base (23) adjoining the same, and a second slot flank (22) adjoining the same, the slot base (23) being asymmetric with respect to a mid-plane (M) which extends radially and perpendicularly to the circumferential direction and centrally between the two slot flanks (21, 22).
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: February 21, 2023
    Assignee: MTU Aero Engines AG
    Inventors: Franz-Josef Ertl, Hans-Peter Hackenberg, Alexander Buck, Oskar Ostermeir
  • CONNECTING DEVICE FOR AN ADJUSTABLE BLADE OF A GAS TURBINE AND GAS TURBINE
    Publication number: 20230043732
    Abstract: The invention relates to a connecting device for an adjustable blade or vane of a gas turbine, comprising a journal element connected to a respective blade or vane and a lever element connected to the journal element, wherein the lever element and the journal element are jointly movable about a journal axis of rotation. A clamping element is provided, being situated between the lever element and the journal element, such that a force-locking connection is or can be produced between the journal element, the clamping element, and the lever element. The lever element, the clamping element, and the journal element are aligned relative to each other by means of a positioning element, the positioning element being received in a first seat of the journal element and a corresponding second seat of the lever element.
    Type: Application
    Filed: August 3, 2022
    Publication date: February 9, 2023
    Applicant: MTU Aero Engines AG
    Inventors: Axel Stettner, Christian Roth, Werner Humhauser
  • Method and device for repairing a damaged blade tip of a turbine blade which is armor-plated and provided with a blade coating
    Patent number: 11566524
    Abstract: The invention relates to a method for repairing a damaged blade tip of a turbine blade which is armor-plated and provided with a blade coating, of a thermal gas turbine. The method according to the invention comprises the steps of removing a blade tip armor plating of the turbine blade at least in the region of the damaged blade tip and producing a repair surface (12), removing only a part of the blade coating of the turbine blade in the region of the repair surface while preserving a part of the blade coating separated from the repair surface (14), restoring the blade tip reinforcement (20), and restoring the blade coating in the region of the repaired blade tip (22). The invention furthermore relates to a device for carrying out such a method.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: January 31, 2023
    Assignee: MTU AERO ENGINES AG
    Inventors: Frank Seidel, Nils Weidlich
  • GAS TURBINE BLADE
    Publication number: 20230026899
    Abstract: The present invention relates to a blade for a gas turbine, in particular of an aircraft engine, having a blade airfoil, which has a blade-root-side first profile section and a blade-tip-side second profile section, which is spaced apart from the first profile section in a radial direction, from the first profile section to the second profile section, by a blade airfoil height, wherein a stagger angle of the blade airfoil changes with a height in the radial direction over the first profile section at least over certain portions, wherein, in a first region between a first height and a second, greater height, the change in the stagger angle over the height does not decrease with increasing height at least over certain portions.
    Type: Application
    Filed: December 8, 2020
    Publication date: January 26, 2023
    Applicant: MTU Aero Engines AG
    Inventors: Sergio Elorza Gomez, Tobias Froebel, Nina Wolfrum, Sebastian Mann
  • ROTATING BLADE FOR A TURBOMACHINE
    Publication number: 20230020552
    Abstract: The present invention relates to a rotating blade for a turbomachine, having a blade element and a shroud, wherein the shroud is profiled at a peripheral side, i.e., when observed in a tangential section, has a contact flank that is oriented axially, at least proportionally, and has a free flank that is also oriented axially, at least proportionally, and is in fact opposite the contact flank, wherein, when observed in the tangential section, an intermediate segment between the contact flank and the free flank has a first curvature in a first transition segment to the contact flank and has a second curvature in a second transition segment to the free flank, wherein the first curvature is greater than the second curvature.
    Type: Application
    Filed: July 8, 2022
    Publication date: January 19, 2023
    Applicant: MTU Aero Engines AG
    Inventors: Manfred Dopfer, Salome Gassmann, Johannes Linhard
  • Housing arrangement for a turbomachine as well as turbomachine arrangement having such a housing arrangement and method for manufacturing the housing arrangement
    Patent number: 11555417
    Abstract: The present invention relates to a housing arrangement for a turbomachine, comprising a support element, which is configured to bear a shaft, and a housing, which is centered at the support element. The housing is composed of an inner housing and an outer housing fastened at the support element, the housings being connected to each other by at least one connecting strut. A press fit is provided between the support element and the inner housing, in order to center the inner housing at the support element.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: January 17, 2023
    Assignee: MTU Aero Engines AG
    Inventors: Georg Kempinger, Johann Berger, René Grahnert, Johannes Dieker, Tanya Mulorz, Laura Martinez-Lozano
  • Guide vane
    Patent number: 11555500
    Abstract: The present invention relates to a guide vane, in particular an outlet guide vane and/or a guide vane for a compressor stage of a gas turbine, wherein the vane has a vane blade with a first vane blade portion and a second vane blade portion, and the first vane blade portion can be reversibly rotated in relation to the second vane blade portion about an axis of rotation from a first position to a second position, wherein, in at least one profile portion of the vane blade, the axis of rotation is arranged outside of a profile of the first vane blade portion, and/or a profile of the first vane blade portion has a suction side with a first contour portion and a second contour portion, which, in particular, is adjoined thereto, and a profile of the second vane blade portion has a pressure-side contour portion.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: January 17, 2023
    Assignee: MTU Aero Engines AG
    Inventor: Sergio Elorza Gomez