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公开(公告)号：US10821551B2
公开(公告)日：2020-11-03
申请号：US15881054
申请日：2018-01-26
Applicant: General Electric Company
Inventor： Subhrajit Roychowdhury , Matthias Hoebel , Michael Evans Graham , Robert John Filkins , Felix Martin Gerhard Roerig , Donnell Eugene Crear , Prabhjot Singh
IPC: B23K26/342 , B23K26/06 , B23K26/08 , B23K26/073 , B23K26/082 , B33Y50/02 , B33Y10/00 , B33Y30/00 , B22F3/105 , B22F3/00
Abstract: An additive manufacturing system includes a laser device, a build plate, and a scanning device. The laser device is configured to generate a laser beam with a variable intensity. The build plate is configured to support a powdered build material. The scanning device is configured to selectively direct the laser beam across the powdered build material to generate a melt pool on the build plate. The scanning device is configured to oscillate a spatial position of the laser beam while the laser device simultaneously modulates the intensity of the laser beam to facilitate reducing spatter and to facilitate reducing a temperature of the melt pool to reduce overheating of the melt pool.
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公开(公告)号：US10596803B2
公开(公告)日：2020-03-24
申请号：US15608231
申请日：2017-05-30
Applicant: General Electric Company
Inventor： Donnell Eugene Crear , Mikhail Pavlov , Felix Martin Gerhard Roerig , Dean Andrew Snelling, Jr.
IPC: G01S17/08 , B33Y40/00 , B33Y50/02 , B33Y30/00 , B29C64/393 , B29C64/307 , B33Y10/00 , B29C64/153
Abstract: Additive manufacturing systems (AMS) are disclosed. The AMS may include a build plate positioned directly on a movable build platform, and a recoater device positioned above the build plate. The recoater device may include a blade. Additionally, the AMS may include a calibration system operably connected to the recoater device. The calibration system may include at least one measurement device coupled or positioned adjacent to the recoater device, and at least one computing device operably connected to the measurement device(s). The computing device(s) may be configured to calibrate the recoater device by adjusting a height of the blade of the recoater device relative to a reference surface of a component of the AMS in response to determining a pre-build distance between the blade of the recoater device and the reference surface differs from a desired distance. The pre-build distance may be determined using the measurement device(s).
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3.发明申请公开(公告)号：US20190232427A1
公开(公告)日：2019-08-01
申请号：US15881054
申请日：2018-01-26
Applicant: General Electric Company
Inventor： Subhrajit Roychowdhury , Matthias Hoebel , Michael Evans Graham , Robert John Filkins , Felix Martin Gerhard Roerig , Donnell Eugene Crear , Prabhjot Singh
IPC: B23K26/342 , B23K26/073 , B23K26/06 , B23K26/082 , B23K26/08
Abstract: An additive manufacturing system includes a laser device, a build plate, and a scanning device. The laser device is configured to generate a laser beam with a variable intensity. The build plate is configured to support a powdered build material. The scanning device is configured to selectively direct the laser beam across the powdered build material to generate a melt pool on the build plate. The scanning device is configured to oscillate a spatial position of the laser beam while the laser device simultaneously modulates the intensity of the laser beam to facilitate reducing spatter and to facilitate reducing a temperature of the melt pool to reduce overheating of the melt pool.
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4.发明申请公开(公告)号：US20180348492A1
公开(公告)日：2018-12-06
申请号：US15608154
申请日：2017-05-30
Applicant: General Electric Company
Inventor： Mikhail Pavlov , Donnell Eugene Crear , Felix Martin Gerhard Roerig , Dean Andrew Snelling, JR.
CPC classification number: B33Y40/00 , B29C64/153 , B29C64/268 , B29C64/393 , B33Y30/00 , B33Y50/02
Abstract: Additive manufacturing systems (AMS) are disclosed. The AMS may include a movable build platform, and a calibration system operably connected to the build platform. The calibration system may include a reflective element operably coupled to the build platform, a first calibration model positioned above and vertically offset from the reflective element, and a first camera substantially aligned with the first calibration model. The first camera may be visually aligned with the reflective element to capture a first reflective image of the first calibration model as reflected by the reflective element. The calibration system may also include at least one computing device operably connected to the build platform and the first camera, and configured to calibrate the build platform by: adjusting an actual inclination of the build platform in response to determining the first reflective image differs from a predetermined image of the first calibration model.
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公开(公告)号：US20180022044A1
公开(公告)日：2018-01-25
申请号：US15213906
申请日：2016-07-19
Applicant: General Electric Company
Inventor： Chad Joseph Dulkiewicz , Donnell Eugene Crear
CPC classification number: B33Y50/02 , B29C64/00 , B29C64/153 , B29C64/20 , B29C64/245 , B29C64/386 , B29C64/40 , B33Y30/00
Abstract: Additive manufacturing systems are disclosed. The systems may include a base, and a retaining plate coupled to the base. The retaining plate may include a seat formed in an exposed surface of the retaining plate, and a plurality of pads extending laterally into the seat. The additive manufacturing systems may also include a build plate positioned within the seat and contacting the plurality of pads of the retaining plate. The build plate may include a build surface in substantial planar alignment with the exposed surface of the retaining plate. Additionally, the additive manufacturing systems may include a plurality of build plate retention components positioned in the seat of the retaining plate. Each of the plurality of build plate retention components may be utilized to retain the build plate within the seat of the retaining plate.
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Patent Agency Ranking
公开(公告)号：US10974474B2
公开(公告)日：2021-04-13
申请号：US15619772
申请日：2017-06-12
Applicant: General Electric Company
Inventor： Donnell Eugene Crear , Mikhail Pavlov , Felix Martin Gerhard Roerig , Dean Andrew Snelling
IPC: B29C73/24 , B33Y40/00 , B29C64/30 , B29C73/26 , B33Y10/00 , B33Y30/00 , B29C73/16 , B29C73/34 , B32B43/00 , B22F3/105 , B33Y80/00
Abstract: An applicator repair system for an additive manufacturing (AM) system, and an AM system including the same are disclosed. The applicator repair system includes a repair device including a repair element configured to repair a damaged applicator element on an applicator of an AM system. The damaged applicator element is configured to distribute a layer of raw material on a build platform of the AM system. The repair device is positioned within a processing chamber of the AM system. A damaged applicator controller may be provided that is configured to cause repair of the damaged active applicator in response to the damaged applicator being identified as damaged.
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公开(公告)号：US10773340B2
公开(公告)日：2020-09-15
申请号：US15040039
申请日：2016-02-10
Applicant: General Electric Company
IPC: B33Y80/00 , B23K26/14 , B33Y10/00 , B33Y30/00 , B23K26/342 , B23K26/12 , B22F3/105 , B23K103/08 , C22C1/04
Abstract: A metal powder additive manufacturing system and method are disclosed that use increased trace amounts of oxygen to improve physical attributes of an object. The system may include: a processing chamber; a metal powder bed within the processing chamber; a melting element configured to sequentially melt layers of metal powder on the metal powder bed to generate an object; and a control system configured to control a flow of a gas mixture within the processing chamber from a source of inert gas and a source of an oxygen containing material, the gas mixture including the inert gas and oxygen from the oxygen containing material. The method may result in an object having a surface porosity of no greater than approximately 0.1%, and an effective density of greater than approximately 99.9%.
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公开(公告)号：US10583532B2
公开(公告)日：2020-03-10
申请号：US14981321
申请日：2015-12-28
Applicant: General Electric Company
IPC: B23K26/70 , B22F3/105 , B33Y10/00 , B33Y30/00 , B23K26/342 , B33Y80/00 , B33Y50/02 , B23K26/14 , B23K103/08
Abstract: A metal powder additive manufacturing system and method are disclosed that use increased trace amounts of oxygen to improve physical attributes of an object. The system may include: a processing chamber; a metal powder bed within the processing chamber; a melting element configured to sequentially melt layers of metal powder on the metal powder bed to generate an object; and a control system configured to control a flow of a gas mixture within the processing chamber from a source of inert gas and a source of an oxygen containing material, the gas mixture including the inert gas and oxygen from the oxygen containing material.
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公开(公告)号：US20180299359A1
公开(公告)日：2018-10-18
申请号：US15490179
申请日：2017-04-18
Applicant: General Electric Company
Inventor： Jose Troitino Lopez , Tiffany Muller Craft , Donnell Eugene Crear , Kassy Moy Hart , Kamilla Koenig-Urban , Eric Eicher McConnell , Danijel Medved
CPC classification number: G01N1/44 , B22F3/1055 , B22F2203/03 , B29C64/00 , B33Y10/00 , B33Y40/00 , B33Y50/02 , B33Y80/00 , G01N1/04 , G01N3/02 , G01N2001/1006 , G01N2203/0298
Abstract: A test feature is disclosed that is formed during metal powder additive manufacturing of a production part. The test feature may include a metal powder sample capsule including a chamber for capturing unfused powder from the metal powder additive manufacturing, and a removable cap closing an end of the chamber. Alternatively, a test feature may include a quality control (QC) part, and at least one additional test element including a metal powder sample capsule integrally coupled to the QC part and including a chamber for capturing unfused powder from the metal powder additive manufacturing. The QC part is identical to the production part excepting the at least one test element. The QC part and the at least one test element are formed during the same metal powder additive manufacturing as the production part.
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公开(公告)号：US20180052087A1
公开(公告)日：2018-02-22
申请号：US15237799
申请日：2016-08-16
Applicant: General Electric Company
Inventor： Archie Lee Swanner, JR. , Tiffany Muller Craft , Donnell Eugene Crear , Chad Joseph Dulkiewicz , Kassy Moy Hart
CPC classification number: G01N15/0227 , G01N15/1429 , G01N2015/1493
Abstract: Particle detection systems are disclosed. The particle detection system may include a conduit configured to receive particles removed from a component, and at least one sensor positioned adjacent the conduit. The at least one sensor may be configured to detect a particle characteristic for the particles in the conduit removed from the component. The particle detection system may also include a particle analysis system in communication with the at least one sensor. The particle analysis system may be configured to analyze the particle characteristic for the particles in the conduit to determine if the component is substantially free of particles.
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