Patents by Inventor Olaf Rehme
Olaf Rehme 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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Patent number: 11901783Abstract: In a method for producing a winding overhang assembly for an electrical rotating machine, an insulating main body is produced at least partly from a dielectric material. Each of a plurality of conductors of a metal material is connected to the insulating main body via an intermediate layer, which is produced from a material which is different from the dielectric material of the insulating main body and from the metal material of the conductors and which is produced from silver, aluminum, antimony, magnesium, tin, zinc, lead, tantalum or from a mixture and/or from at least one alloy thereof. The conductors are hereby sprayed onto the intermediate layer by a thermal spraying method.Type: GrantFiled: September 16, 2019Date of Patent: February 13, 2024Assignee: Innomotics GmbHInventors: Karsten Brach, Jens Dahl Jensen, Horst Kümmlee, Hartmut Rauch, Olaf Rehme, Jakob Schneck, Frank Seibicke, Oliver Stier, Mark Tobias Zegenhagen
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Publication number: 20220415755Abstract: Various embodiments of the teachings herein include a process for producing a cooling element. The method may include: providing a main element composed of a first material and having one or more cooling channels; applying a first layer of a second material to a surface of the one or more cooling channels; introducing a filler serving as support material for a second layer; applying the second layer of the second material, so that one or more closed channels made up of the first layer and the second layer are formed in the one or more cooling channels; and applying a covering layer to the one or more closed channels.Type: ApplicationFiled: May 22, 2020Publication date: December 29, 2022Applicant: Siemens AktiengesellschaftInventor: Olaf Rehme
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Patent number: 11496014Abstract: A winding head arrangement for an electric rotating machine includes a base body including an electrically conductive material having an electrically insulating coating, and a plurality of conductors made from a first metal material and connected to the base body via the electrically insulating coating by a first additive production method.Type: GrantFiled: March 31, 2020Date of Patent: November 8, 2022Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Karsten Brach, Jens Dahl Jensen, Hartmut Rauch, Olaf Rehme, Jakob Schneck, Oliver Stier
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Publication number: 20220094227Abstract: A winding head arrangement for an electric rotating machine includes a base body including an electrically conductive material having an electrically insulating coating, and a plurality of conductors made from a first metal material and connected to the base body via the electrically insulating coating by a first additive production method.Type: ApplicationFiled: March 31, 2020Publication date: March 24, 2022Applicant: Siemens AktiengesellschaftInventors: KARSTEN BRACH, JENS DAHL JENSEN, HARTMUT RAUCH, OLAF REHME, JAKOB SCHNECK, OLIVER STIER
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Publication number: 20210376679Abstract: In a method for producing a winding overhang assembly for an electrical rotating machine, an insulating main body is produced at least partly from a dielectric material. Each of a plurality of conductors of a metal material is connected to the insulating main body via an intermediate layer, which is produced from a material which is different from the dielectric material of the insulating main body and from the metal material of the conductors and which is produced from silver, aluminum, antimony, magnesium, tin, zinc, lead, tantalum or from a mixture and/or from at least one alloy thereof. The conductors are hereby sprayed onto the intermediate layer by a thermal spraying method.Type: ApplicationFiled: September 16, 2019Publication date: December 2, 2021Applicant: Siemens AktiengesellschaftInventors: KARSTEN BRACH, JENS DAHL JENSEN, HORST KÜMMLEE, HARTMUT RAUCH, OLAF REHME, JAKOB SCHNECK, FRANK SEIBICKE, OLIVER STIER, MARK TOBIAS ZEGENHAGEN
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Patent number: 10549385Abstract: A component is produced in layers by laser melting. A molten pool is created in a bed of powder by a working laser beam. Further auxiliary laser beams are set to a power density that merely slows down the cooling of the material in one zone, but do not cause any renewed melting. In this way, the cooling rate of the microstructure can be set so that an advantageous structural formation develops. This allows for example the mechanical properties of the component produced to be advantageously improved without downstream heat treatments.Type: GrantFiled: March 6, 2014Date of Patent: February 4, 2020Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Ursus Krüger, Olaf Rehme, Daniel Reznik, Martin Schäfer
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Publication number: 20190368822Abstract: Various embodiments include a cooling apparatus comprising: a thermal interface for a heat source to be cooled; a thermal pipe with a first phase change medium; and a latent heat store with a second phase change medium. The first phase change medium and the second phase change medium are contained in respective volumes separated from one another. Heat of the heat source, at the thermal interface, transfers into a heat absorption zone of the thermal pipe. A melting temperature of the second phase change medium is greater than an evaporation temperature of the first phase change medium.Type: ApplicationFiled: December 15, 2017Publication date: December 5, 2019Applicant: Siemens AktiengesellschaftInventors: Oliver Hofacker, Olaf Rehme, Daniel Reznik
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Patent number: 10052821Abstract: A method uses a powder bed-based additive production of components such as laser melting. The interior wall of a hollow cylinder is used as a construction platform. Progressive production of the component is possible by rotating the hollow cylinder step-by-step in direction. This allows production of components without set-up times as the components can emerge from the powder bed as rotation continues and can be separated from the hollow cylinder by a separating device. The space requirement for the hollow cylinder in this arrangement is relatively small.Type: GrantFiled: September 12, 2013Date of Patent: August 21, 2018Assignee: SIEMENS AKTIENGESELLSCHAFTInventor: Olaf Rehme
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Patent number: 9914083Abstract: A steam strainer and a method for producing a steam strainer is provided. The steam strainer has a skeleton-like tube body, in which, to construct a shell surface, at least two shell-type individual elements are provided for mounting, wherein the skeleton-like tube body has two end surfaces which are kept at a defined spacing by at least one longitudinal strut connecting the two end surfaces, and wherein the at least two shell-type individual elements have a plurality of screen openings, and wherein the at least two shell-type individual elements and the longitudinal strut are independently exchangeable. In addition, a method for producing such a steam strainer is provided.Type: GrantFiled: December 5, 2013Date of Patent: March 13, 2018Assignee: Siemens AktiengesellschaftInventors: Olaf Rehme, Armin Trubel
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Patent number: 9670782Abstract: A method for creating a blade (11) for a turbo-engine and such a blade are disclosed. Components (19) of the blade are produced by an additive production method such as selective laser melting or fusion, while a main body (18) is produced by casting, for example. The blade components (19) may consist of a different material than the basic body (18). The components or body may carry functions such as serving as drainage slots (24). Expense related to the use of additive production methods occurs only for the components (19) in which a complicated geometry, for example, must be implemented. The remaining components in the form of the main body (18), comprising the blade (27), the blade foot (28) and the blade head (29), can be cost-effectively implemented as a cast part or a sheet metal part.Type: GrantFiled: July 20, 2012Date of Patent: June 6, 2017Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Jens Göhler, Frank Kernstock, Olaf Rehme, Martin Schäfer
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Publication number: 20160250717Abstract: A component is produced in layers by laser melting. A molten pool is created in a bed of powder by a working laser beam. Further auxiliary laser beams are set to a power density that merely slows down the cooling of the material in one zone, but do not cause any renewed melting. In this way, the cooling rate of the microstructure can be set so that an advantageous structural formation develops. This allows for example the mechanical properties of the component produced to be advantageously improved without downstream heat treatments.Type: ApplicationFiled: March 6, 2014Publication date: September 1, 2016Applicant: SIEMENS AKTIENGESELLSCHAFTInventors: Ursus KRUGER, Olaf REHME, Daniel REZNIK, Martin SCHAFER
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Patent number: 9252642Abstract: The invention relates to an electric machine (100) comprising a stator (107) and a rotor (101), wherein the rotor (101) comprises a hollow shaft (102), wherein a closed hollow space (103) is formed by means of the hollow shaft (102), wherein the closed hollow space (103) is provided for receiving a cooling agent, wherein a three-dimensional transport structure (200) is provided in the closed hollow chamber (103) for transporting the cooling agent. The three-dimensional structure can, for example, be produced by means of applying an adaptive material.Type: GrantFiled: October 22, 2010Date of Patent: February 2, 2016Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Klaus Büttner, Vladimir Danov, Olaf Rehme, Martin Schäfer
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Publication number: 20150328574Abstract: A steam strainer and a method for producing a steam strainer is provided. The steam strainer has a skeleton-like tube body, in which, to construct a shell surface, at least two shell-type individual elements are provided for mounting, wherein the skeleton-like tube body has two end surfaces which are kept at a defined spacing by at least one longitudinal strut connecting the two end surfaces, and wherein the at least two shell-type individual elements have a plurality of screen openings, and wherein the at least two shell-type individual elements and the longitudinal strut are independently exchangeable. In addition, a method for producing such a steam strainer is provided.Type: ApplicationFiled: December 5, 2013Publication date: November 19, 2015Applicant: Siemens AktiengesellschaftInventors: Olaf Rehme, Armin Trubel
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Patent number: 9187166Abstract: An elongated supporting pillar for a high-strength structural component is designed to absorb bending forces that act transversely to a longitudinal direction of extension of the supporting pillar. The supporting pillar comprises a wall which at least partially encloses an elongated cavity of the supporting pillar. A reinforcement structure is arranged within the cavity and transversely to the direction of longitudinal extension in such a manner that the reinforcement structure can absorb at least some of the bending forces. The reinforcement structure is designed integrally with the wall, wherein both the wall and the reinforcement structure comprise a meltable material. The supporting pillar has a conical shape, and wherein a first end of the supporting pillar is wider than a second end of the supporting pillar.Type: GrantFiled: January 9, 2015Date of Patent: November 17, 2015Assignee: Airbus Operations GmbHInventors: Christoph Klahn, Rüdy Gysemberg, Olaf Rehme
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Publication number: 20150251355Abstract: A method uses a powder bed-based additive production of components such as laser melting. The interior wall of a hollow cylinder is used as a construction platform. Progressive production of the component is possible by rotating the hollow cylinder step-by-step in direction. This allows production of components without set-up times as the components can emerge from the powder bed as rotation continues and can be separated from the hollow cylinder by a separating device. The space requirement for the hollow cylinder in this arrangement is relatively small.Type: ApplicationFiled: September 12, 2013Publication date: September 10, 2015Applicant: SIEMENS AKTIENGESELLSCHAFTInventor: Olaf Rehme
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Publication number: 20150151827Abstract: An elongated supporting pillar for a high-strength structural component is designed to absorb bending forces that act transversely to a longitudinal direction of extension of the supporting pillar. The supporting pillar comprises a wall which at least partially encloses an elongated cavity of the supporting pillar. A reinforcement structure is arranged within the cavity and transversely to the direction of longitudinal extension in such a manner that the reinforcement structure can absorb at least some of the bending forces. The reinforcement structure is designed integrally with the wall, wherein both the wall and the reinforcement structure comprise a meltable material. The supporting pillar has a conical shape, and wherein a first end of the supporting pillar is wider than a second end of the supporting pillar.Type: ApplicationFiled: January 9, 2015Publication date: June 4, 2015Inventors: Christoph Klahn, Rüdy Gysemberg, Olaf Rehme
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Patent number: 8960605Abstract: The invention relates to an elongated supporting pillar for a high-strength structural component, wherein the supporting pillar is designed to absorb bending forces that act transversely to a longitudinal direction of extension of the supporting pillar. The supporting pillar comprises a wall which at least partially encloses an elongated cavity of the supporting pillar. A reinforcement structure is arranged within the cavity and transversely to the direction of longitudinal extension in such a manner that the reinforcement structure can absorb at least some of the bending forces. The reinforcement structure is designed integrally with the wall, wherein both the wall and the reinforcement structure comprise a meltable material.Type: GrantFiled: July 30, 2009Date of Patent: February 24, 2015Assignee: Airbus Operations GmbHInventors: Christoph Klahn, Rüdy Gysemberg, Olaf Rehme
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Publication number: 20140178206Abstract: A method for creating a blade (11) for a turbo-engine and such a blade are disclosed. Components (19) of the blade are produced by an additive production method such as selective laser melting or fusion, while a main body (18) is produced by casting, for example. The blade components (19) may consist of a different material than the basic body (18). The components or body may carry functions such as serving as drainage slots (24). Expense related to the use of additive production methods occurs only for the components (19) in which a complicated geometry, for example, must be implemented. The remaining components in the form of the main body (18), comprising the blade (27), the blade foot (28) and the blade head (29), can be cost-effectively implemented as a cast part or a sheet metal part.Type: ApplicationFiled: July 20, 2012Publication date: June 26, 2014Inventors: Jens Göhler, Frank Kernstock, Olaf Rehme, Martin Schäfer
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Publication number: 20140131921Abstract: A component is manufactured by selective laser melting by a laser having an intensity profile set largely constant by a diffractive optical element, so that the treatment surface which has occurred as a result of this profile is melted uniformly on the surface of the component. Thermal load peaks, such as occur due to an intensity maximum of an unshaped laser, can therefore be advantageously avoided. Moreover, the treatment surface may, for example, have a square shape, so that, in the case of rectangular components, it becomes simpler to produce the corners of the cross section to be manufactured. Overall, as a result, components having improved surface quality can be produced. The system is equipped with suitable optics for generating the intensity profile described.Type: ApplicationFiled: April 2, 2012Publication date: May 15, 2014Applicant: SIEMENS AKTIENGESELLSCHAFTInventors: Yves Küsters, Friedrich Lupp, Olaf Rehme, Martin Schäfer
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Publication number: 20130001837Abstract: A method of producing a turbine blade is provided, wherein the turbine blade is produced by an additive production method. Cavities and/or lattice structures can be produced in one and the same process. The additive production method also allows drainage slots, heating openings, and/or other holes or, as the case may be, recesses to be provided in the turbine blade while the turbine blade is being produced. Holes can furthermore be furnished completely or partially with a lattice structure.Type: ApplicationFiled: September 14, 2010Publication date: January 3, 2013Inventors: Jens Göhler, Frank Kernstock, Olaf Rehme, Martin Schäfer