Patents by Inventor Andreas Graichen
Andreas Graichen 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).
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Publication number: 20200034498Abstract: A method of providing a dataset for additive manufacturing includes collecting a first type of data for the dataset during the additive buildup of a at least one layer of a component to be manufactured, evaluating of the structural quality of the layer by the first type of data, modifying the first type of data in that fractions of the data representing an insufficient structural quality of the layer are deleted from the first type of data, and superimposing second type of data, to the first type of data, wherein the second type of data is suitable to support a validation of the structural quality of the as-manufactured component.Type: ApplicationFiled: April 12, 2018Publication date: January 30, 2020Applicant: Siemens AktiengesellschaftInventors: Pajazit Avdovic, Jerry Fornander, Andreas Graichen
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Patent number: 10518361Abstract: A method of manufacturing of a component having the steps of manufacturing of a first segment for the component by a powder-bed manufacturing process, and the manufacturing of a second segment for the component originating from the first segment by an additive manufacturing process, such that the second segment projects by a projecting distance over at least one side face of the first segment. Furthermore, a component has the first segment being manufactured by the powder-bed manufacturing process and the second segment being manufactured by the additive manufacturing process, wherein the second segment projects by a projecting distance over at least one side face of the first segment.Type: GrantFiled: September 21, 2015Date of Patent: December 31, 2019Assignee: Siemens AktiengesellschaftInventors: Jonas Eriksson, Andreas Graichen
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Publication number: 20190298566Abstract: Movement restraining device (1) for partially immobilizing a body joint (10). The device comprises stopper elements (50, 60) having an abutment surface (100) and an abutting surface (70). One stopper element is pivotable, relative to the other stopper element. The device further has skin attachment means (90, 120) for attaching the stopper elements to skin. The abutment surfaces are arranged or shaped such that, in an abutting pivot position, they prevent pivoting in a first pivot direction (150), while allowing pivoting in a second pivot direction (160), opposite to the first pivot direction.Type: ApplicationFiled: December 20, 2016Publication date: October 3, 2019Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: MICHELLE GERULLIS, ANDREAS GRAICHEN, BERNHARD GEERKENS, CHRISTINE BONGARDS, ELIF KAMBUR, KENNETH CHOWDHURY
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Publication number: 20190126346Abstract: An additive manufacturing system having at least one powder based additive manufacturing machine having a build chamber, at least one stationary powder storage container, and a powder feeding device for feeding powder from the at least one powder storage container into the build chamber. The build chamber, stationary powder storage container and powder feeding device form a part of a powder handling system, which is hermetically sealable in a powder-tight manner and to which a movable powder storage container is connected. The powder handling system selectively feeds powder from the movable powder storage container to the stationary powder storage container or removes powder from the build chamber in the hermetically sealed state. A method for feeding powder into and removing powder from a build chamber of at least one additive manufacturing machine, where the feeding and the removal of the powder takes place within a hermetically sealable powder handling system.Type: ApplicationFiled: May 4, 2017Publication date: May 2, 2019Applicant: Siemens AktiengesellschaftInventors: Andreas GRAICHEN, Pontus JOHANSSON, Eva NORDENBERG, Anders PERSSON
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Publication number: 20190105735Abstract: A method for producing a workpiece, includes providing a substrate having a predetermined surface structure; coating the surface structure with a coating material, wherein the coating material is resistant to a production temperature of an additive production method; the additive production of a material for the workpiece on the coated surface structure using the additive production method such that the coated surface structure defines a base surface of the workpiece to be produced, and the detachment of the substrate. A workpiece is produced by the described method.Type: ApplicationFiled: February 10, 2017Publication date: April 11, 2019Applicant: Siemens AktiengesellschaftInventors: Christian Brunhuber, Andreas Graichen, Henning Hanebuth, Heinz-Ingo Schneider
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Publication number: 20190091770Abstract: The present invention provides an enhanced setup of a 3D-printing device, especially to a laser powder bed fusion 3D-printing device. It is for this purpose, that data relating to previously printed products are stored in a database. When a new product is to be printed, the features of the new product are matched with features of previously printed products stored in the database. Accordingly, a suggestion for setting-up the 3D-printing device based on corresponding previously printed products and their setup parameters can be automatically determined and applied to the 3D-printing device.Type: ApplicationFiled: September 28, 2017Publication date: March 28, 2019Inventors: Victor Balanica, Felix Buggenthin, Siegmund Düll, Mitchell Joblin, Clemens Otte, Axel Reitinger, Michael Caelers, Jonas Eriksson, Jerry Fornander, Andreas Graichen, Yi Huang, Vincent Sidenvall, Sunil Viswanathan
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Patent number: 10125982Abstract: A burner device for a gas turbine with a burner body, wherein the burner body has an axial end face, a first supply channel having a first opening in the axial end face, and a burner end element arranged at the axial end face. The burner end element has a first plenum chamber coupled to the first opening of the first supply channel, such that a first fluid is feedable from the first supply channel to the first plenum chamber. The burner end element further has a lattice structure with a plurality of interconnected pores, wherein the first plenum chamber is coupled to the lattice structure for feeding the first fluid into the lattice structure. The lattice structure forms a part of a burner surface which points to a burning chamber of the gas turbine such that a fluid connection between the burning chamber and the lattice structure is formed.Type: GrantFiled: February 16, 2015Date of Patent: November 13, 2018Assignee: Siemens AktiengesellschaftInventor: Andreas Graichen
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Publication number: 20180245471Abstract: A turbomachine component, gas turbine combustor component, or burner component, including a body with a first, second and third section, the sections being integrally formed with another and built from a same material, and an end face of the first section of the body. The end face, during operation, is exposed to a first temperature higher than a second temperature of a cooling fluid. The second section is located between the first and third section and is formed in parts as a lattice structure. The lattice structure has a plurality of rod-shaped struts, wherein each of a first set of the plurality of struts has a first end, the first end being connected to the first section, and a void penetrated by the plurality of struts, the void providing at least one fluid passage via which the cooling fluid is guidable through an interior of the second section during operation.Type: ApplicationFiled: July 29, 2016Publication date: August 30, 2018Applicant: Siemens AktiengesellschaftInventors: Jonas Eriksson, Andreas Graichen, Nicklas Johansson, Jenny Larfeldt, Jan-Erik Lundgren, Daniel Lörstad, Erik Munktell
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Publication number: 20170312858Abstract: A method of manufacturing of a component having the steps of manufacturing of a first segment for the component by a powder-bed manufacturing process, and the manufacturing of a second segment for the component originating from the first segment by an additive manufacturing process, such that the second segment projects by a projecting distance over at least one side face of the first segment. Furthermore, a component has the first segment being manufactured by the powder-bed manufacturing process and the second segment being manufactured by the additive manufacturing process, wherein the second segment projects by a projecting distance over at least one side face of the first segment.Type: ApplicationFiled: September 21, 2015Publication date: November 2, 2017Applicant: Siemens AktiengesellschaftInventors: Jonas Eriksson, Andreas Graichen
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Publication number: 20170299181Abstract: A rotating machine component, particularly a gas turbine combustion component, having at least one part built from a porous material with a plurality of pores, wherein at least a subset of the plurality of pores is at least partly filled with a gas with a composition different from air and/or with a powder, wherein the porous material is a laser sintered or laser melted material in which void local regions form the plurality of pores. The component counter-acts vibrations. A rotating machine or gas turbine engine may have such a component.Type: ApplicationFiled: September 18, 2015Publication date: October 19, 2017Applicant: Siemens AktiengesellschaftInventors: Andreas Graichen, Jenny Larfeldt, Daniel Lörstad, Erik Munktell
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Patent number: 9731351Abstract: A part (P) includes a first (FP), and a second portion (SP), which meet at an interface (IF). A channel (CH) extends from the first portion (FP) through the interface (IF) into the second portion (SP). Further there is a method to generate the part (P). To refurbish a part with tiny geometry channels, the second portion (SP) is produced by additive manufacturing technology on the interface (IF) with the first portion (FP), the channel (CH) has a first average diameter (DI) in the first portion (FP) and the interface (IF), and the channel (CH) has a second average diameter (D2) in the second portion (SP) at said interface (IF). The second diameter (D2) is larger than the first diameter (DI). The channel (CH) has a first tapered portion (TP) which narrows in the second portion (SP) at increasing distance from the interface (IF).Type: GrantFiled: July 25, 2013Date of Patent: August 15, 2017Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Olov Andersson, Jonas Eriksson, Andreas Graichen
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Publication number: 20170211807Abstract: A burner device for a gas turbine with a burner body, wherein the burner body has an axial end face, a first supply channel having a first opening in the axial end face, and a burner end element arranged at the axial end face. The burner end element has a first plenum chamber coupled to the first opening of the first supply channel, such that a first fluid is feedable from the first supply channel to the first plenum chamber. The burner end element further has a lattice structure with a plurality of interconnected pores, wherein the first plenum chamber is coupled to the lattice structure for feeding the first fluid into the lattice structure. The lattice structure forms a part of a burner surface which points to a burning chamber of the gas turbine such that a fluid connection between the burning chamber and the lattice structure is formed.Type: ApplicationFiled: February 16, 2015Publication date: July 27, 2017Applicant: Siemens AktiengesellschaftInventor: Andreas Graichen
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Publication number: 20150266092Abstract: A part (P) includes a first (FP), and a second portion (SP), which meet at an interface (IF). A channel (CH) extends from the first portion (FP) through the interface (IF) into the second portion (SP). Further there is a method to generate the part (P). To refurbish a part with tiny geometry channels, the second portion (SP) is produced by additive manufacturing technology on the interface (IF) with the first portion (FP), the channel (CH) has a first average diameter (DI) in the first portion (FP) and the interface (IF), and the channel (CH) has a second average diameter (D2) in the second portion (SP) at said interface (IF). The second diameter (D2) is larger than the first diameter (DI). The channel (CH) has a first tapered portion (TP) which narrows in the second portion (SP) at increasing distance from the interface (IF).Type: ApplicationFiled: July 25, 2013Publication date: September 24, 2015Inventors: Olov Andersson, Jonas Eriksson, Andreas Graichen
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Patent number: 9073150Abstract: A method of manufacturing a component by selective laser melting and to provide heat treatment to the component is provided. The method includes building a heat treatment device adapted to provide a heat treatment to the component as part of the same selective laser melting for manufacturing the component and providing a heat treatment to the component by the heat treatment device.Type: GrantFiled: July 20, 2011Date of Patent: July 7, 2015Assignee: SIEMENS AKTIENGESELLSCHAFTInventor: Andreas Graichen
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Patent number: 8618438Abstract: The present invention relates to an apparatus for machining holes, especially to machine holes in a surface of a coated gas turbine airfoil, which apparatus comprises a laser device for laser drilling and an electrode for electrical discharge machining. Further the invention relates to a method to machine a hole into a coated surface with an apparatus of the incipiently mentioned type. Known methods make use of a machine with separate machine heads for laser drilling and electrical discharge machining. By combining these two devices in one machine head the invention gives the possibility to save time and obtain very accurate results.Type: GrantFiled: November 6, 2008Date of Patent: December 31, 2013Assignee: Siemens AktiengesellschaftInventor: Andreas Graichen
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Publication number: 20130199013Abstract: A method of manufacturing a component by selective laser melting and to provide heat treatment to the component is provided. The method includes building a heat treatment device adapted to provide a heat treatment to the component as part of the same selective laser melting for manufacturing the component and providing a heat treatment to the component by the heat treatment device.Type: ApplicationFiled: July 20, 2011Publication date: August 8, 2013Inventor: Andreas Graichen
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Patent number: 8096030Abstract: A method and an apparatus for mobile repair of a stationary rotor seals of a turbo machine is provided. The method includes the following steps, 3D-scanning of the stationary seal, generation of 3D-model of the stationary seal, removing of the damaged spots of the seal using laser cutting, and generating a new seal at the repair spot by use of a second process head, which generates the seal by laser powder cladding. The apparatus includes a 3D-scanner, a cutting tool, and a first process head and a second process head.Type: GrantFiled: October 16, 2008Date of Patent: January 17, 2012Assignee: Siemens AktiengesellschaftInventor: Andreas Graichen
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Method for masking cooling holes and device for using in a masking process for masking cooling holes
Patent number: 8021719Abstract: A method of masking cooling holes of a turbine component, in particular a turbine blade or vane, for a coating process is provided. The component includes an external surface to be coated, at least one internal cavity having an opening towards the outside of the component, and cooling holes extending from the at least one internal cavity to the external surface. The method comprises the steps of: filling the cooling holes with a masking material and hardening the masking material. The masking material, water, is used to fill in the cooling holes. The hardening is done by freezing the water to water ice. A method of coating an external surface of a turbine component and a device for use in a masking process for masking cooling holes in a turbine component are also provided.Type: GrantFiled: February 19, 2009Date of Patent: September 20, 2011Assignee: Siemens AktiengesellschaftInventor: Andreas Graichen -
Publication number: 20100287754Abstract: A method and an apparatus for mobile repair of a stationary rotor seals of a turbo machine is provided. The method includes the following steps, 3D-scanning of the stationary seal, generation of 3D-model of the stationary seal, removing of the damaged spots of the seal using laser cutting, and generating a new seal at the repair spot by use of a second process head, which generates the seal by laser powder cladding. The apparatus includes a 3D-scanner, a cutting tool, and a first process head and a second process head.Type: ApplicationFiled: October 16, 2008Publication date: November 18, 2010Inventor: Andreas Graichen
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Publication number: 20090134136Abstract: The present invention relates to an apparatus for machining holes, especially to machine holes in a surface of a coated gas turbine airfoil, which apparatus comprises a laser device for laser drilling and an electrode for electrical discharge machining. Further the invention relates to a method to machine a hole into a coated surface with an apparatus of the incipiently mentioned type. Known methods make use of a machine with separate machine heads for laser drilling and electrical discharge machining. By combining these two devices in one machine head the invention gives the possibility to save time and obtain very accurate results.Type: ApplicationFiled: November 6, 2008Publication date: May 28, 2009Inventor: Andreas Graichen