Patents by Inventor Karl-Heinz Dusel

Karl-Heinz Dusel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10875258
    Abstract: The invention relates to a method and device for generatively producing components, said device comprising a radiation device for selectively radiating a powder bed, and an induction device for inductively heating the component produced by radiating the powder bed, Said induction device comprising at least one voltage source which can simultaneously produce alternating voltages with at least two different frequencies.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: December 29, 2020
    Assignee: MTU AERO ENGINES AG
    Inventors: Joachim Bamberg, Erwin Bayer, Andreas Jakimov, Herbert Hanrieder, Bertram Kopperger, Wilhelm Satzger, Thomas Hess, Karl-Heinz Dusel, Stefan Schneiderbanger
  • Patent number: 10830068
    Abstract: In a method for the generative production of a component (3), in particular of a turbo-engine component, wherein material (4) is bonded layer-by-layer selectively to a layer disposed therebeneath or to a substrate (6), according to the invention a laser (1A; 1B; 2) additionally acts on the material (4) before, during and/or after the bonding.
    Type: Grant
    Filed: October 13, 2012
    Date of Patent: November 10, 2020
    Assignee: MTU AERO ENGINES AG
    Inventors: Wilhelm Satzger, Siegfried Sikorski, Thomas Hess, Karl-Heinz Dusel, Hans-Christian Melzer
  • Patent number: 10633975
    Abstract: The invention relates to a device for producing, repairing and/or replacing a component, particularly an aircraft component, by means of a powder that can be solidified by energy radiation of an energy radiation source, characterized in that the device comprises an application unit that is designed such that the powder can be applied onto an uneven surface by means of the application unit.
    Type: Grant
    Filed: September 12, 2011
    Date of Patent: April 28, 2020
    Assignee: MTU AERO ENGINES AG
    Inventors: Thomas Hess, Erwin Bayer, Markus Waltemathe, Klaus Broichhausen, Wilhelm Satzger, Siegfried Sikorski, Karl-Heinz Dusel, Hans-Christian Melzer
  • Publication number: 20200080586
    Abstract: The present invention relates to a one-piece intermediate sheet having a first layer that has a first outer surface with a first outer surface region, and a second layer that is integrally formed with the first layer and has a second outer surface with a second outer surface region, wherein the first and second outer surfaces form opposite-lying, in particular parallel, outer surfaces of the intermediate sheet, and the hardness of the first outer surface region is smaller than the hardness of the second outer surface region, and/or the modulus of elasticity of the first layer is smaller than the modulus of elasticity of the second layer.
    Type: Application
    Filed: September 9, 2019
    Publication date: March 12, 2020
    Applicant: MTU Aero Engines AG
    Inventor: Karl-Heinz Dusel
  • Patent number: 10507526
    Abstract: The invention relates to a method for the additive manufacture of at least one region of a component. Here, at least the following steps are carried out: a) layer-wise application of at least one powder-form component material onto a component platform in the region of a build-up and joining zone; b) layer-wise and local solidifying of the component material by selective exposure of the component material by at least one high-energy beam in the region of the build-up and joining zone, with the formation of a component layer; c) layer- wise lowering of the component platform by a pre-defined layer thickness; and d) repeating steps a) to c) until the component region or the component has been completely fabricated.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: December 17, 2019
    Assignee: MTU Aero Engines AG
    Inventors: Christian Liebl, Alexander Ladewig, Laura Buerger, Georg Schlick, Steffen Schlothauer, Karl-Heinz Dusel
  • Patent number: 9952236
    Abstract: Disclosed is a method for monitoring a generative fabrication process in which a component is formed in an installation space from a multiplicity of layers by using a three-dimensional data model and a following layer is fixed to a preceding layer by means of a high-energy beam. The method comprises detecting the component at least optically and detecting the installation space thermally during layer application. Also disclosed is a device for carrying out the method.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: April 24, 2018
    Assignee: MTU AERO ENGINES AG
    Inventors: Wilhelm Satzger, Siegfried Sikorski, Karl-Heinz Dusel, Wilhelm Meir, Bertram Kopperger, Josef Waermann, Andreas Jakimov, Manuel Hertter, Hans-Christian Melzer, Thomas Hess
  • Patent number: 9784131
    Abstract: The invention relates to a sealing arrangement 15, a guide vane arrangement, and a turbomachine 11 with such a sealing arrangement 15, wherein the sealing arrangement 15 is designed for a guide vane ring 60 of a turbomachine 11, wherein the sealing arrangement 15 comprises a thin-walled annular structure 80 that is substantially closed on all sides, and wherein the annular structure 80 delimits an annular interior space 105, wherein a hollow cell structure 109, which is designed so as to mechanically support the annular structure 80, is provided in the annular interior space 105.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: October 10, 2017
    Assignee: MTU AERO ENGINES AG
    Inventors: Manfred Feldmann, Karl-Heinz Dusel
  • Publication number: 20170282246
    Abstract: The invention relates to a method for the additive manufacture of at least one region (16) of a component. Here, at least the following steps are carried out: a) layer-wise application of at least one powder-form component material onto a component platform in the region of a build-up and joining zone (14); b) layer-wise and local solidifying of the component material by selective exposure of the component material by at least one high-energy beam (12) in the region of the build-up and joining zone (14), with the formation of a component layer (15); c) layer-wise lowering of the component platform by a pre-defined layer thickness; and d) repeating steps a) to c) until the component region (16) or the component has been completely fabricated.
    Type: Application
    Filed: March 27, 2017
    Publication date: October 5, 2017
    Inventors: Christian Liebl, Alexander Ladewig, Laura Buerger, Georg Schlick, Steffen Schlothauer, Karl-Heinz Dusel
  • Patent number: 9771827
    Abstract: A damping device for being situated between a housing wall of a housing of a thermal gas turbine and a casing ring is provided. The casing ring includes an area radially internal with regard to a rotation axis of a rotor of the thermal gas turbine and facing rotating moving blades of the gas turbine. The damping device includes at least sectionally a porous damping structure. A method for manufacturing this type of damping device as well as to a thermal gas turbine, in particular an aircraft engine, in which this type of damping device is situated in a housing of the gas turbine between a housing wall and a casing ring are also provided.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: September 26, 2017
    Assignee: MTU Aero Engines AG
    Inventors: Rudolf Stanka, Thomas Hess, Karl Maar, Karl-Heinz Dusel
  • Patent number: 9393622
    Abstract: A method for producing a thin-walled structural component from a casting material. The casting material is supplied as a powder, and the powder is deposited on a support (1) by a kinetic cold gas spraying process so as to form the structural component (11, 11?). A structural component which is made of a casting material and in which the structure is formed from a plurality of particles (17) that are interlinked and deformed using a cold gas spraying process.
    Type: Grant
    Filed: August 9, 2010
    Date of Patent: July 19, 2016
    Assignee: MTU Aero Engines GmbH
    Inventors: Andreas Jakimov, Erwin Bayer, Karl-Heinz Dusel, Carsten Butz
  • Publication number: 20150030434
    Abstract: A damping device for being situated between a housing wall of a housing of a thermal gas turbine and a casing ring is provided. The casing ring includes an area radially internal with regard to a rotation axis of a rotor of the thermal gas turbine and facing rotating moving blades of the gas turbine. The damping device includes at least sectionally a porous damping structure. A method for manufacturing this type of damping device as well as to a thermal gas turbine, in particular an aircraft engine, in which this type of damping device is situated in a housing of the gas turbine between a housing wall and a casing ring are also provided.
    Type: Application
    Filed: July 22, 2014
    Publication date: January 29, 2015
    Inventors: Rudolf STANKA, Thomas Hess, Karl Maar, Karl-Heinz Dusel
  • Publication number: 20150003970
    Abstract: The invention relates to a sealing arrangement 15, a guide vane arrangement, and a turbomachine 11 with such a sealing arrangement 15, wherein the sealing arrangement 15 is designed for a guide vane ring 60 of a turbomachine 11, wherein the sealing arrangement 15 comprises a thin-walled annular structure 80 that is substantially closed on all sides, and wherein the annular structure 80 delimits an annular interior space 105, wherein a hollow cell structure 109, which is designed so as to mechanically support the annular structure 80, is provided in the annular interior space 105.
    Type: Application
    Filed: June 23, 2014
    Publication date: January 1, 2015
    Inventors: Manfred Feldmann, Karl-Heinz Dusel
  • Publication number: 20140334924
    Abstract: In a method for the generative production of a component (3), in particular of a turbo-engine component, wherein material (4) is bonded layer-by-layer selectively to a layer disposed therebeneath or to a substrate (6), according to the invention a laser (1A; 1B; 2) additionally acts on the material (4) before, during and/or after the bonding.
    Type: Application
    Filed: October 13, 2012
    Publication date: November 13, 2014
    Applicant: MTU AERO ENGINES AG
    Inventors: Wilhelm Satzger, Siegfried Sikorski, Thomas Hess, Karl-Heinz Dusel, Hans-Christian Melzer
  • Publication number: 20140239553
    Abstract: The invention relates to a method and device for generatively producing components, said device comprising a radiation device for selectively radiating a powder bed, and an induction device for inductively heating the component produced by radiating the powder bed, Said induction device comprising at least one voltage source which can simultaneously produce alternating voltages with at least two different frequencies.
    Type: Application
    Filed: September 12, 2012
    Publication date: August 28, 2014
    Applicant: MTU AERO ENGINES AG
    Inventors: Joachim Bamberg, Erwin Bayer, Abdreas Jakimov, Herbert Hanrieder, Bertram Kopperger, Wilhelm Satzger, Thomas Hess, Karl-Heinz Dusel, Stefan Schneiderbanger
  • Patent number: 8708682
    Abstract: A method for repairing gas turbine components, in particular gas turbine blades, including at least the following steps: a) preparing a gas turbine component to be repaired; b) removing a damaged portion from the gas turbine component to be repaired, thereby forming a plane separation surface; c) placing the gas turbine component at least partly in a process chamber in such a way that the plane separation surface extends approximately horizontally within the process chamber; d) filling the process chamber with a metal powder that is bonding-compatible with the material of the gas turbine component to be repaired, namely up to the level of the separation surface; e) building up the removed portion on the separation surface by depositing metal powder in layers onto the separation surface and by fusing the metal powder, which has been deposited in layers onto the separation surface, to the separation surface.
    Type: Grant
    Filed: November 5, 2009
    Date of Patent: April 29, 2014
    Assignee: MTU Aero Engines GmbH
    Inventors: Roland Huttner, Karl-Heinz Dusel, Erwin Bayer, Albin Platz
  • Publication number: 20140065343
    Abstract: The invention relates to a device for producing, repairing and/or replacing a component, particularly an aircraft component, by means of a powder that can be solidified by energy radiation of an energy radiation source, characterized in that the device comprises an application unit that is designed such that the powder can be applied onto an uneven surface by means of the application unit.
    Type: Application
    Filed: September 12, 2011
    Publication date: March 6, 2014
    Applicant: MTU AERO ENGINES AG
    Inventors: Thomas Hess, Erwin Bayer, Markus Waltemathe, Klaus Broichhausen, Wilhelm Satzger, Siegfried Sikorski, Karl-Heinz Dusel, Hans-Christian Melzer
  • Publication number: 20130343947
    Abstract: Disclosed is a method for monitoring a generative production process in real time, wherein a component is at least optically detected and the installation space is thermally detected when applying a layer, as well as a device for carrying out said method.
    Type: Application
    Filed: January 11, 2012
    Publication date: December 26, 2013
    Applicant: MTU Aero Engines AG
    Inventors: Wilhelm Satzger, Siegfried Sikorski, Karl-Heinz Dusel, Wilhelm Meir, Bertram Kopperger, Josef Waermann, Andreas Jakimov, Manuel Hertter, Hans-Christian Melzer, Thomas Hess
  • Publication number: 20130294891
    Abstract: The invention provides a method for the generative manufacture of a component (1) with integrated damping for a turbomachine, in particular a gas turbine, having the following method steps: building up the component (1) in a generative manner, and introducing a damping material (2) into the component (1) during the method step of the generative building up of the component (1). The invention further provides a component (1) with integrated damping for a turbomachine, in particular a gas turbine, wherein the component (1) is built up in a generative manner, and the component (1) has a damping material (2) which is introduced into the component (1) during the generative building up of the component (1). The invention further provides a turbomachine, in particular a gas turbine, comprising such a component (1).
    Type: Application
    Filed: January 10, 2012
    Publication date: November 7, 2013
    Inventors: Stefan Neuhaeusler, Wilhelm Satzger, Siegfried Sikorski, Karl-Heinz Dusel, Hans-Christian Melzer, Erwin Bayer
  • Publication number: 20130055568
    Abstract: A method for manufacturing a component, in particular a component of a turbine or a compressor, in which at least these steps are carried out: application in layers of at least one powdered component material to a component platform in the area of a buildup and joining zone; melting and/or sintering locally in layers of the component material by supplying energy with the aid of at least one electron beam in the area of the buildup and joining zone; lowering of the component platform in layers by a predefined layer thickness; and repeating steps a) through c) until completion of the component. During the manufacturing, electrons emitted due to the interaction of the electron beam with the component material are detected, after which material information, characterizing the topography of the melted and/or sintered component material, is ascertained on the basis of the emitted electrons.
    Type: Application
    Filed: March 7, 2011
    Publication date: March 7, 2013
    Applicants: Global Beam Technologies AG, MTU Aero Engines GmbH
    Inventors: Karl-Heinz Dusel, Roland Huttner, Erwin Bayer, Michael Muecke
  • Publication number: 20120219726
    Abstract: The invention relates to a method for producing a component (12), especially a hollow structural part for a turbomachine. The method is characterized by the following steps: a) layer-by-layer deposition of at least one powder component material (20a) onto a component platform in the region of a buildup and joining zone (I), b) deposition of at least one liquid component material (20b) onto the powder component material (20a), the liquid component material (20b) comprising at least one metal-containing compound, c) local layer-by-layer fusion or sintering of the component materials (20a, 20b) by means of thermal and/or electromagnetic energy supplied in the region of the buildup and joining zone (I), d) lowering of the component platform by a predefined layer thickness; and e) repetition of steps a) to d) until the component (12) is finished. The invention further relates to a device (10) for producing a component (12) of a turbomachine, especially a hollow structural part for a turbomachine.
    Type: Application
    Filed: October 30, 2010
    Publication date: August 30, 2012
    Applicant: MTU AERO ENGINES GMBH
    Inventors: Erwin Bayer, Sven-J. Hiller, Karl-Heinz Dusel