Mtu Aero Engines Gmbh

Mtu Aero Engines Ag

Manuel Hertter

Andreas Jakimov

Stefan Schneiderbanger

Bertram Kopperger

Erwin Bayer

Frank Stiehler

Josef Waermann

Thomas Hess

Juergen Steinwandel

Joachim Bamberg

Wilhelm Satzger

Siegfried Sikorski

Christian Liebl

Wilhelm Meir

Klaus Broichhausen

André Werner

Roland Hessert

Karl-Heinz Dusel

Thomas Dautl

Lothar Albers

Juergen Kraus

Stephan Klaen

Joerg Hoeschele

Johann Geppert

Markus Waltemathe

Stephen Royston Williams

Hans-Christian Melzer

Stephan Klän

Wolfgang Wachter

Thomas Binsteiner

Wolfgang Werner

Eberhard Knodel

Hans Banhirl

Mihaela-Sorina Seitz

Marcin Olbrich

Andreas Kaehny

Stefan Herbst

Alexander Scharf

Robert Winsy

Florian Beck

Sascha Büttner

Josef WÄRMANN

Wilhelm Meier

Andreas KÄHNY

Jochen Tewes

A rotor member is described for a gas turbine that is adapted for rotating about a central axis, the rotor member being a blisk having a rotor blade row that extends around the central axis or a rotor disk having a mounting portion for installing rotor blades of a rotor blade row that extends around the central axis, and being axially offset from the rotor blade row and/or the mounting portion and, extending coaxially, having at least one annular and axially asymmetrical sealing fin that has a radially outer tip portion having a front flank facing the rotor blade row and/or the mounting portion, and an opposite flank facing away from the rotor blade row and/or the mounting portion; the front flank being less steep than the opposite flank; a turbine and a compressor having such a rotor member, and a method for manufacturing such a rotor member having at least one sealing fin coating.

Sealing fin having an axially asymmetric tip portion

A seal configuration () for a turbo machine having a rotor (), wherein the seal configuration () has a sealing element () to create a seal with respect to the rotor () in an installed position and a supporting device (). The supporting device () has, in at least one section of the supporting device, a material () that melts when it comes into contact with the rotating rotor () in the installed position. A turbo machine having a seal configuration () is also provided.

Seal configuration for a turbo machine

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.

Method and device for process monitoring

Disclosed is a process for producing a run-in coating () on a component of a turbomachine, in particular of a gas turbine. The run-in coating is applied and produced on the component of the turbomachine by a kinetic cold gas compacting process (K3). The invention also encompasses a run-in coating for a static or rotating component of a turbomachine and a static or rotating component of a turbomachine, in particular of a gas turbine, having at least one run-in coating.

Process for producing a run-in coating

A method for coating a component of a turbomachine is disclosed. The method includes covering a first surface of the component with a covering device, where the covering device is profiled in a zigzag shape. The method further includes applying a coating material via cold kinetic compaction or kinetic cold gas spraying on the component such that a second surface of the component is coated with the coating material and such that particles of the coating material are deflected off of the covering device so that the particles do not adhere to the covering device.

Method for coating components

A method for coating a component, in particular a component of a gas turbine or of an aircraft engine, is disclosed. The coating is applied to the component by kinetic cold gas spraying, where prior to the deposition of the coating, the surface of the component to be coated is cleaned and compacted by shot peening with a blasting media. A component produced in this manner is also disclosed.

Coating method for forming crack-resistant coatings having good adherence and component coated in this manner

The present invention relates to a method for producing a component, in particular a blade for a gas turbine, wherein a main body () is provided, to which a running-in layer () is applied, which can be worn away at least partially during operation to form an accurately fitting surface (), wherein the running-in layer is applied by kinetic cold-gas compacting, and a component, in particular a blade for a gas turbine, comprising a main body, to which a running-in layer is applied, which can be worn away at least partially during operation to form an accurately fitting surface, wherein the running-in layer is a porous layer made of a Ti alloy.

Blade tip coating that can be rubbed off

The invention relates to a method for producing a rotor or stator blade () of a gas turbine, in particular an aircraft gas turbine (), comprising forming a airfoil () made of at least one first material and attaching a blade root () made of at least one second material to the airfoil () by means of a thermal spraying method. The invention further relates to a rotor or stator blade () produced according to such a method.

Method for producing a rotor or stator blade and such a blade

The invention relates to a generative production method for producing a component by selectively melting and/or sintering a powder several times consecutively by introducing an amount of heat by means of beam energy, such that the powder particles melt and/or sinter in layers, wherein the powder particles () are made of a first material () and the powder particles are surrounded by a second material () partially or over the entire surface thereof, wherein the second material has a lower melting point than the first material and/or lowers the melting point of the first material when mixed with the first material. The invention further relates to a corresponding powder and to a prototype produced from said powder.

Generative production method and powder therefor

A method for spraying a coating and a cold gas spray nozzle is disclosed. The method includes spraying a coating by the cold gas spray nozzle. A rinsing gas is fed to the cold gas spray nozzle during an interruption of the spraying or at an end of the spraying. Deposits in the cold gas spray nozzle are cooled and detached by the rinsing gas.

Method and device for coating components

The invention relates to a method for producing a plating () of a vane tip. Said method consists of the following steps: a) a vane having a vane tip which is arranged opposite the base of the vane () and which comprises a surface which points radially outwards is provided, and b) a porous layer () is applied to at least the surface () of the vane tip and/or c) a bulge () which increases the surface of the vane tip is applied to at least one part of the flanks of the vane tip, said flanks surrounding the surface of the vane tip, and d) the plating () is applied to the porous layer and/or the bulge. The invention also relates to corresponding vanes or gas turbines with corresponding vanes.

Method for producing a plating of a vane tip and correspondingly produced vanes and gas turbines

A method for producing a component is disclosed. The method includes calculating a load line of the component as a result of a load to be absorbed by the component and applying a layer on a core by gas dynamic cold spraying, where the layer has a layer section and where the layer section runs along the calculated load line.

Method for producing a component by calculating a load line of the component

A mask and method for kinetic cold gas compacting is disclosed. The mask includes a body for covering a not-to-be-coated region of a substrate to be coated having a work side exposed to a coating substance. The work side has a hardness such that the work side is not plastic deformable by a striking coating particle.

Mask for kinetic cold gas compacting

The present invention relates to a method for producing a coating on a gas turbine component, in which particles at least of parts of a material to be applied as coating are accelerated by means of kinetic gas dynamic cold spraying in a spray jet onto the surface () of the component () to be coated, wherein a reactive gas is fed into the spray jet (), so that the reactive gas reacts at least partially with the particles of the coating material when the particles impinge on the surface () to be coated and/or wherein the deposited layer () is heated locally and/or over a large area and impacted with a reactive gas, as well as a gas turbine component produced in this way.

Gas dynamic cold spraying of oxide-containing protective layers

The present invention concerns a device for measuring of layer thicknesses, especially for measuring of layer thicknesses of a structural part () during or after a coating process, with at least a first and a second path length measuring device (), wherein a first path length (a) to a surface () of a layer () being applied to the structural part () is measured by means of the first path length measuring device () and a second path length (b) to an uncoated surface () of the structural part () is measured by means of the second path length measuring device () continuously or at predetermined moments of time. According to the invention, the device () furthermore comprises at least a third path length measuring device () for measuring and monitoring the position of the first path length measuring device () relative to the structural part (), wherein a third path length (c) is measured by the third path length measuring device () to determine the position of the structural part () continuously or at predetermined moments of time. The invention furthermore involves a method for measuring of layer thicknesses, especially for measuring of layer thicknesses of a structural part () during or after a coating process.

Device and method for measuring layer thicknesses

Growing community of inventors

Munich, Germany

Manuel Hertter