Patents by Inventor Nikolai Arjakine

Nikolai Arjakine 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).

  • Publication number: 20200061756
    Abstract: Continuous cracks can be optimally repaired using CMT technology by using a fluxed-core wire of solder material with a filling consisting of or comprising solder material and base material.
    Type: Application
    Filed: November 9, 2017
    Publication date: February 27, 2020
    Inventors: Nikolai Arjakine, Torsten Jokish, Bernd Berbaum
  • Patent number: 10478921
    Abstract: A method for generating, in layers, an application structure made of high heat resistant super alloys on a substrate is provided. A powdery construction material is melted by an energy beam at a working point, wherein the working point is guided across the substrate along a primary movement direction and thus swings transversely to the primary movement direction. The working point thereby swings from a first edge of a respective layer of the application structure to a second edge of the layer. In this way, a time interval passes between departure from a respective edge and a return to the respective edge directly following the departure, such that a melt bath on the respective edge solidifies into a paste-like zone during the time interval.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: November 19, 2019
    Assignees: Siemens Aktiengesellschaft, Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Nikolai Arjakine, Georg Bostanjoglo, Bernd Burbaum, Stefanie Linnenbrink, Frank Mentzel, Michael Ott, Sebastian Piegert, Norbert Pirch, Andres Gasser
  • Patent number: 10458250
    Abstract: Applying material along parallel welding lines per welding layer, and changing a direction of extension of the welding tracks by 90° for the next welding layer, is provided.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: October 29, 2019
    Assignees: Siemens Aktiengesellschaft, FRAUNHOFER GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Nikolai Arjakine, Georg Bostanjoglo, Bernd Burbaum, Andres Gasser, Stefanie Linnenbrink, Andre Mehlhorn, Frank Mentzel, Michael Ott, Norbert Pirch
  • Publication number: 20180304407
    Abstract: A method and component of coating layers having different thicknesses are produced by the variation of the powder mass flow, whereby the microstructure of the entire build-up welded area is adjusted in a targeted and an advantageous manner is provided.
    Type: Application
    Filed: June 21, 2016
    Publication date: October 25, 2018
    Inventors: Nikolai Arjakine, Georg Bostanjoglo, Bernd Burbaum, Andres Gasser, Stefanie Linnenbrink, Frank Mentzel, Michael Ott, Norbert Pirch
  • Publication number: 20180281114
    Abstract: Provided are build-up welds which are achieved by means of a targeted frequency selection and an amplitude which relates to the diameter of the energy beam.
    Type: Application
    Filed: October 12, 2016
    Publication date: October 4, 2018
    Inventors: NIKOLAI ARJAKINE, GEORG BOSTANJOGLO, BERND BURBAUM, ANDRES GASSER, STEFANIE LINNENBRINK, FRANK MENTZEL, MICHAEL OTT, NORBERT PIRCH
  • Patent number: 9878411
    Abstract: A device for clamping a turbine blade (9) during a welding repair of the blade tip (11). The blade has a peripheral surface that has a suction side (5) and pressure side (7) and has a blade tip. The device has at least one movable clamping structure (1,3) for pressing on the suction side (5) or the pressure side (7) of a turbine blade (9) in the region of the blade tip (11) of the turbine blade, wherein the clamping structure (1,3) is designed to remove heat from the turbine blade (9). The at least one movable clamping structure (1,3) has a plurality of clamping elements (13), which are each individually movably supported in such a way that the clamping elements can be moved toward the peripheral surface of a turbine blade (9) to be clamped and away from the peripheral surface.
    Type: Grant
    Filed: January 10, 2014
    Date of Patent: January 30, 2018
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Nikolai Arjakine, Bernd Burbaum, Roman Kalocsay, Andre Mehlhorn
  • Publication number: 20170306763
    Abstract: Applying material along parallel welding lines per welding layer, and by changing direction of extension of the welding tracks by 90° for the next welding layer, provided.
    Type: Application
    Filed: October 1, 2015
    Publication date: October 26, 2017
    Inventors: Nikolai Arjakine, Georg Bostanjoglo, Bernd Burbaum, Andres Gasser, Stefanie Linnenbrink, Andre Mehlhorn, Frank Mentzel, Michael Ott, Norbert Pirch
  • Publication number: 20170144252
    Abstract: A method for generating, in layers, an application structure made of high heat resistant super alloys on a substrate is provided. A powdery construction material is melted by an energy beam at a working point, wherein the working point is guided across the substrate along a primary movement direction and thus swings transversely to the primary movement direction. The working point thereby swings from a first edge of a respective layer of the application structure to a second edge of the layer. In this way, a time interval passes between departure from a respective edge and a return to the respective edge directly following the departure, such that a melt bath on the respective edge solidifies into a paste-like zone during the time interval.
    Type: Application
    Filed: March 6, 2015
    Publication date: May 25, 2017
    Inventors: Nikolai Arjakine, Georg Bostanjoglo, Bernd Burbaum, Stefanie Linnenbrink, Frank Mentzel, Michael Ott, Sebastian Piegert, Norbert Pirch, Andres Gasser
  • Publication number: 20170080529
    Abstract: A method for repairing an airfoil of an axial turbomachine in which material is deposited onto the airfoil by means of deposition welding, the airfoil being cooled during the deposition welding, is provided. A cooling collar including at least one cooling channel which has a coolant inlet and a coolant outlet and through which a coolant flows in the intended state, is also provided. The cooling collar also includes multiple cooling elements which are arranged along an inner circumference of the cooling collar and adjacently to the at least one cooling channel, the cooling elements resting against an object to be cooled, in particular an airfoil to be cooled, in the intended state.
    Type: Application
    Filed: April 28, 2015
    Publication date: March 23, 2017
    Inventors: NIKOLAI ARJAKINE, GEORG BOSTANJOGLO, BERND BURBAUM, ROMAN KALOCSAY
  • Publication number: 20160288263
    Abstract: An oscillating welding method is provided. The oscillating movement during welding in the vertical and/or horizontal direction results in smaller grains being obtained, the smaller grains preventing the development of cracks during welding.
    Type: Application
    Filed: October 13, 2014
    Publication date: October 6, 2016
    Inventors: Nikolai ARJAKINE, Bernd BURBAUM, Andres GASSER, Chen HONG, Stefanie LINNENBRINK, Frank MENTZEL, Michael OTT, Sebastian PIEGERT, Norbert PIRCH
  • Patent number: 9458552
    Abstract: A process for welding directionally solidified metallic materials is presented. Process parameters are targeted selected with respect to laser welding, advancement, laser power beam diameter and powder mass flow. The temperature gradient, which is fundamentally decisive for the single-crystal growth during laser cladding, may be set in a targeted manner.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: October 4, 2016
    Assignees: FRAUNHOFER GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V., SIEMENS AKTIENGESELLSCHAFT
    Inventors: Nikolai Arjakine, Georg Bostanjoglo, Bernd Burbaum, Andres Gasser, Torsten Jambor, Torsten Jokisch, Stefanie Linnenbrink, Selim Mokadem, Michael Ott, Norbert Pirch, Rolf Wilkenhöner
  • Patent number: 9403245
    Abstract: A method is provided for treating turbine blades having holes for discharging cooling air. A protective layer is provided and then the holes that are partly or completely closed by the protective layer are opened again. Coordinates concerning the position of the holes are acquired before the protective layer is applied using a laser triangulation sensor using a light source generating a light beam and a light detector. The data obtained is used after application of the protective layer to control a removal device for removing protective layer partly or wholly covering the holes. Each hole is measured by the light beam being shone into the hole in different positions in relation to the longitudinal mid-axis of the latter. The light beam is shone into the respective hole in a plane at at least three different angles to the longitudinal mid-axis thereof.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: August 2, 2016
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Nikolai Arjakine, Torsten Melzer-Jokisch, Dimitrios Thomaidis
  • Patent number: 9347318
    Abstract: A method of welding workpieces of high-temperature superalloys is provided. Welding filler is applied in a plurality of layers to a surface of the workpiece via a heat input zone and a supply zone for supplying the welding filler into the heat input zone. The heat input zone and the supply zone on the one hand and the workpiece surface on the other hand are moved in relation to one another. A polycrystalline weld seam is generated by remelting a previously applied layer of the plurality of layers. Welding parameters are chosen such that a cooling rate during a solidifying of the material is at least 8000 Kelvins per second. Further, a welding apparatus for carrying out such a method is provided.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: May 24, 2016
    Assignees: SIEMENS AKTIENGESELLSCHAFT, FRAUNHOFER GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Nikolai Arjakine, Georg Bostanjoglo, Bernd Burbaum, Andres Gasser, Torsten Jambor, Stefanie Linnenbrink, Torsten Melzer-Jokisch, Michael Ott, Norbert Pirch, Rolf Wilkenhöner
  • Publication number: 20160023306
    Abstract: A nozzle for laser powder build-up welding, in particular, an annular powder channel for feeding powdery material into a processing region in front of the laser outlet opening, wherein the powder channel is designed in such a way that the angle included between the radially outer wall of the powder channel and the axis of the powder channel is constant or decreases in the direction of the material outlet opening at least in the region extending from the at least one material inlet opening to the material outlet opening is provided.
    Type: Application
    Filed: March 20, 2014
    Publication date: January 28, 2016
    Inventors: NIKOLAI ARJAKINE, BERND BURBAUM, TORSTEN JOKISCH, EIKE KOHLHOFF, LUKASZ PANEK, SEBASTIAN PIEGERT, CHRISTOPH STARKE
  • Publication number: 20150352676
    Abstract: A device for clamping a turbine blade (9) during a welding repair of the blade tip (11). The blade has a peripheral surface that has a suction side (5) and pressure side (7) and has a blade tip. The device has at least one movable clamping structure (1,3) for pressing on the suction side (5) or the pressure side (7) of a turbine blade (9) in the region of the blade tip (11) of the turbine blade, wherein the clamping structure (1,3) is designed to remove heat from the turbine blade (9). The at least one movable clamping structure (1,3) has a plurality of clamping elements (13), which are each individually movably supported in such a way that the clamping elements can be moved toward the peripheral surface of a turbine blade (9) to be clamped and away from the peripheral surface.
    Type: Application
    Filed: January 10, 2014
    Publication date: December 10, 2015
    Inventors: Nikolai ARJAKINE, Bernd BURBAUM, Roman KALOCSAY, Andre MEHLHORN
  • Publication number: 20150298258
    Abstract: A powder supply device (1) for a laser powder welding device and a laser powder welding device having such a powder supply device (1). The powder supply device (1) has a nozzle head (3) which tapers along a longitudinal axis (2) of the powder supply device (1) in the direction to a first end (4). A cavity (6) is arranged radially about the longitudinal axis (2) in an interior of the nozzle head (3) and tapers to the first end (4) of the nozzle head (3). The cavity (6) opens out into an annular opening (7) at the first end (4) for discharging a powder. The powder supply device (1) has a plurality N of powder feed lines (8-1, 8-2, 8-3) which extend through a second end (5) of the nozzle head (3), which lies opposite the first end (4) of the nozzle head, in the direction toward the cavity (6) and direct the powder from a powder reservoir into the cavity (6).
    Type: Application
    Filed: September 4, 2013
    Publication date: October 22, 2015
    Applicant: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Nikolai Arjakine, Bernd Burbaum, Torsten Jokisch, Michael Ott, Sebastian Piegert
  • Patent number: 9035213
    Abstract: A welding method for welding workpieces made of highly heat-resistant superalloys is provided. The method includes generating a heat input zone on the workpiece surface by means of a heat source, feeding welding filler material into the heat input zone by means of a feeding device, and generating a relative motion between the heat source and the feeding device on one hand and the workpiece surface on the other hand by means of a conveying device. Furthermore, according to the welding method, the mass feed rate is ?350 mg/min.
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: May 19, 2015
    Assignees: SIEMENS AKTIENGESELLSCHAFT, FRAUNHOFER GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E. V.
    Inventors: Nikolai Arjakine, Georg Bostanjoglo, Bernd Burbaum, Andres Gasser, Torsten Jambor, Stefanie Linnenbrink, Torsten Melzer-Jokisch, Selim Mokadem, Michael Ott, Norbert Pirch, Rolf Wilkenhöner
  • Publication number: 20150108098
    Abstract: By way of the targeted selection of method parameters in laser welding, namely feed rate, laser power beam diameter and powder mass flow, the temperature gradient can be set in a targeted manner, which temperature gradient is decisive for the single crystal growth during laser build-up welding.
    Type: Application
    Filed: October 1, 2014
    Publication date: April 23, 2015
    Inventors: Nikolai ARJAKINE, Georg BOSTANJOGLO, Bernd BURBAUM, Andres GASSER, Torsten JAMBOR, Torsten JOKISCH, Stefanie LINNERBRINK, Selim MOKADEM, Michael OTT, Norbert PIRCH, Rolf WILKENHÖNER
  • Publication number: 20150108097
    Abstract: In order to obtain crack-free, homogeneous welds in nickel-based superalloys, laser parameters in respect of the power, the beam diameter, the mass feed rate, and the speed of advancement, are specifically selected.
    Type: Application
    Filed: December 4, 2012
    Publication date: April 23, 2015
    Applicants: SIEMENS AKTIENGESELLSCHAFT, FRAUNHOFER GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG
    Inventors: Nikolai Arjakine, Bernd Burbaum, Andres Gasser, Torsten Jokisch, Stefanie Linnenbrink, Frank Mentzel, Michael Ott, Norbert Pirch
  • Patent number: 8866042
    Abstract: A process for welding a component in which a recess is filled by welding tracks is provided. The process includes providing a recess with a contour which delimits an outer upper surface of the component with respect to the recess. The welding tracks are laid such that the welding tracks also reach the surface outside a contour of the recess and that a plurality of welding layers are used in order to fill the recess until a last layer protrudes completely beyond the surface.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: October 21, 2014
    Assignees: Siemens Aktiengesellschaft, Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Nikolai Arjakine, Georg Bostanjoglo, Bernd Burbaum, Andres Gasser, Torsten Jambor, Stefanie Linnenbrink, Torsten Melzer-Jokisch, Michael Ott, Norbert Pirch, Rolf Wilkenhöner