Patents by Inventor Viktor Engel
Viktor Engel 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: 11433616Abstract: Apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a powdered build material (3) which can be consolidated by means of an energy beam (4), the apparatus (1) comprising a process chamber (8) and a stream generating device (9) configured to generate a gaseous fluid stream at least partly streaming through the process chamber (8), the gaseous fluid stream being capable of being charged with non-consolidated particulate build material, particularly smoke or smoke residues generated during operation of the apparatus (1), while streaming through the process chamber (8), wherein the stream generating (9) device comprises at least two separate stream generating units (13, 14) each being configured to generate a respective gaseous fluid stream.Type: GrantFiled: July 24, 2018Date of Patent: September 6, 2022Assignee: CONCEPT LASER GMBHInventors: Wolfgang Lauer, Christian Diller, Viktor Engel, Andreas Ullrich, Jens Stammberger
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Patent number: 10987867Abstract: An apparatus (1) for additive manufacturing of three-dimensional objects (2) by successive, selective layer-by-layer exposure and thus successive, selective layer-by-layer solidification of construction material layers of construction material (3) that can be solidified by means of an energy beam in a process chamber (7) of the apparatus with a defined process chamber height (H), comprising a flow device (8) provided for generating an, especially inert, gas flow (11) flowing through the process chamber (7) between an inflow section (9) and an outflow section (10), wherein the gas flow (11) flows through the process chamber (7) across the entire process chamber height (H), wherein the gas flow (11) is subdivided into several partial gas flows (11a-11c) flowing through the process chamber (7) parallel on top of each other, which differ in at least one flow parameter affecting the flow characteristics of the respective partial gas flows (11a-11c).Type: GrantFiled: November 13, 2017Date of Patent: April 27, 2021Assignee: Concept Laser GMBHInventors: Florian Bechmann, Tobias Dressel, Viktor Engel, Christian Diller
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Patent number: 10814430Abstract: A flow control device for an additive manufacturing system is provided. The flow control device includes a gas supply configured to discharge a gas, a first flow modifier configured to modify at least one flow characteristic of a first portion of the gas, and a second flow modifier configured to cooperate with the first flow modifier to modify the at least on flow characteristic of the first portion of the gas. The second flow modifier is further configured to modify at least one flow characteristic of a second portion of the gas, and the first flow modifier and the second flow modifier are configured to cooperate to direct at least a portion of the first portion and the second portion of the gas towards a melt pool in a plurality of particles.Type: GrantFiled: April 9, 2018Date of Patent: October 27, 2020Assignee: General Electric CompanyInventors: Christian Wakelam, Rene du Cauze de Nazelle, Daniel Fischer, Hannes Haderlein, Viktor Engel, Florian Hoefler, Rachel Wyn Levine
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Publication number: 20200001361Abstract: Device (1) for determining at least one streaming parameter of a fluid stream (2) streaming through a process chamber volume (3) of a process chamber (4) of an additive manufacturing apparatus (5), the device (1) comprising: a housing (8) detachably connectable or connected with at least one housing structure element (7) of a housing structure (6) of an additive manufacturing apparatus (5); at least one, particularly probe-like, streaming parameter determination element (9) disposed at or in the housing (8), the at least one streaming parameter determination element (9) being insertable or inserted into a process chamber volume (3) of a process chamber (4) of an additive manufacturing apparatus (5) when the housing (8) is connected with at least one housing structure element (7) of a housing structure (6) of an additive manufacturing apparatus (5).Type: ApplicationFiled: March 5, 2019Publication date: January 2, 2020Applicant: CONCEPT LASER GMBHInventors: Viktor ENGEL, Dominic SITTIG
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Publication number: 20190308273Abstract: A flow control device for an additive manufacturing system is provided. The flow control device includes a gas supply configured to discharge a gas, a first flow modifier configured to modify at least one flow characteristic of a first portion of the gas, and a second flow modifier configured to cooperate with the first flow modifier to modify the at least on flow characteristic of the first portion of the gas. The second flow modifier is further configured to modify at least one flow characteristic of a second portion of the gas, and the first flow modifier and the second flow modifier are configured to cooperate to direct at least a portion of the first portion and the second portion of the gas towards a melt pool in a plurality of particles.Type: ApplicationFiled: April 9, 2018Publication date: October 10, 2019Inventors: Christian Wakelam, Rene du Cauze de Nazelle, Daniel Fischer, Hannes Haderlein, Viktor Engel, Florian Hoefler, Rachel Wyn Levine
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Publication number: 20190134708Abstract: Apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy beam (4), the apparatus comprising: at least one process chamber (7); a stream generating device (8) allocated to the at least one process chamber (7), the stream generating device (8) being adapted to generate at least one gas stream streaming through the process chamber (7) during operation of the apparatus (1); a connecting line (11) connecting the stream generating device (8) with the process chamber (7); the connecting line (11) being branched into at least two connecting line branches (11b1-11b3) at at least one branching point (BP), thereby, defining an unbranched section (11a) of the connecting line (11) and a branched section (11b) of the connecting line (11), wherein a first stream generating unit (12a) of the stream generating device (8) is allocated to the unbranched secType: ApplicationFiled: October 1, 2018Publication date: May 9, 2019Applicant: CONCEPT LASER GMBHInventors: Viktor ENGEL, Daniel WINIARSKI
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Publication number: 20190030814Abstract: Apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a powdered build material (3) which can be consolidated by means of an energy beam (4), the apparatus (1) comprising a process chamber (8) and a stream generating device (9) configured to generate a gaseous fluid stream at least partly streaming through the process chamber (8), the gaseous fluid stream being capable of being charged with non-consolidated particulate build material, particularly smoke or smoke residues generated during operation of the apparatus (1), while streaming through the process chamber (8), wherein the stream generating (9) device comprises at least two separate stream generating units (13, 14) each being configured to generate a respective gaseous fluid stream.Type: ApplicationFiled: July 24, 2018Publication date: January 31, 2019Applicant: CONCEPT LASER GMBHInventors: Wolfgang LAUER, Christian DILLER, Viktor ENGEL, Andreas ULLRICH, Jens STAMMBERGER
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Publication number: 20180133967Abstract: An apparatus (1) for additive manufacturing of three-dimensional objects (2) by successive, selective layer-by-layer exposure and thus successive, selective layer-by-layer solidification of construction material layers of construction material (3) that can be solidified by means of an energy beam in a process chamber (7) of the apparatus with a defined process chamber height (H), comprising a flow device (8) provided for generating an, especially inert, gas flow (11) flowing through the process chamber (7) between an inflow section (9) and an outflow section (10), wherein the gas flow (11) flows through the process chamber (7) across the entire process chamber height (H), wherein the gas flow (11) is subdivided into several partial gas flows (11a-11c) flowing through the process chamber (7) parallel on top of each other, which differ in at least one flow parameter affecting the flow characteristics of the respective partial gas flows (11a-11c).Type: ApplicationFiled: November 13, 2017Publication date: May 17, 2018Applicant: CL SCHUTZRECHTSVERWALTUNGS GMBHInventors: Florian BECHMANN, Tobias Dressel, Viktor Engel, Christian Diller