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1.发明申请公开(公告)号：US20190022752A1
公开(公告)日：2019-01-24
申请号：US15658127
申请日：2017-07-24
摘要： In an embodiment, an apparatus for forming a metal component from alloy powder includes a powder-based layer-by-layer directed energy beam additive manufacturing system, a primary directed high energy beam, configured to raise a temperature of the alloy powder to or above the melting point of the alloy powder. A secondary directed low energy beam configured to raise the temperature of the alloy powder to or above a sintering point of the alloy powder without reaching the melting point of the alloy powder. The apparatus further includes a sintered region on the surface of an alloy powder layer previously produced by the secondary directed low energy beam and a solid region forming a portion of the metal component that was solidified from a molten pool on the surface of the alloy powder layer adjacent to the first sintered region having been produced by the primary directed high energy beam.
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公开(公告)号：US20180354058A1
公开(公告)日：2018-12-13
申请号：US15619964
申请日：2017-06-12
发明人： Wendell V. Twelves, JR. , Tahany Ibrahim El-Wardany , Sergey Mironets , Ranadip Acharya , William K. Tredway , John M. Milton-Benoit
摘要： A rotating tool system attachment on the spindle of a computer numerical control (“CNC”) machine includes a rotating assembly mounted on a static assembly. The rotating assembly provides a continuous supply of a wire material for deposition on a substrate during an additive manufacturing process. The rotating assembly includes a material supply housing a feedstock of wire mounted on a rotating spindle and a wire feeder configured to draw the wire from the wire supply and provide the wire for application during the additive manufacturing process. The tool system can be attached to the spindle of CNC machine to provide additive manufacturing capabilities to the CNC machine.
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公开(公告)号：US20180195393A1
公开(公告)日：2018-07-12
申请号：US15913722
申请日：2018-03-06
发明人： Wendell V. Twelves, JR. , Kathleen E. Sinnamon , Lexia Kironn , Evan Butcher , Joe Ott , Matthew E. Lynch
CPC分类号： F01D5/025 , F01D5/30 , F01D5/3084 , F05D2260/38 , F05D2300/501 , F05D2300/50212 , F05D2300/6033 , F23R3/007 , Y10T403/217
摘要： A ceramic component retention system includes a metallic component, a ceramic component, and at least one spring element arranged between the metallic component and the ceramic component. The metallic component has a first coefficient of thermal expansion, and the ceramic component has a second coefficient of thermal expansion. The at least one spring element is configured to mechanically couple the ceramic component to the metallic component.
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4.发明申请公开(公告)号：US20180058771A1
公开(公告)日：2018-03-01
申请号：US15804257
申请日：2017-11-06
IPC分类号： F28F1/12 , F16L55/02 , B29D23/00 , F28F1/40 , F28F1/00 , F16L59/08 , F16L9/21 , F16L9/19 , F16L9/02 , F16L9/00 , F16L3/00
CPC分类号： F28F1/12 , B29C64/40 , B29D23/00 , B33Y10/00 , B33Y80/00 , F16L3/00 , F16L9/006 , F16L9/02 , F16L9/19 , F16L9/21 , F16L55/02 , F16L59/08 , F28F1/00 , F28F1/124 , F28F1/40 , F28F2225/04 , F28F2255/00 , F28F2265/10 , F28F2265/30
摘要： A method includes building a tubular object by a layer-by-layer additive manufacturing process. A structure integrally connected to the tubular object for supporting a portion of the tubular object is formed during building of the tubular object. The structure provides vibration dampening, heat shielding, heat transfer, stiffening, energy absorption, or mounting after the tubular object is built.
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公开(公告)号：US20170197362A1
公开(公告)日：2017-07-13
申请号：US15074644
申请日：2016-03-18
IPC分类号： B29C67/00
CPC分类号： B33Y40/00 , B22F3/1055 , B22F3/24 , B22F5/10 , B22F2003/247 , B22F2999/00 , B29L2009/00 , B33Y10/00 , Y02P10/295 , B22F2005/103
摘要： A method of making a part including a solid portion with an internal passage includes building the part using an additive manufacturing process that builds the part on a layer-by-layer basis. The solid portion of the part is formed. A solid core is formed within at least a portion of the internal passage. Forming the solid core includes forming an attachment feature and forming a shearing feature. Material that is not fused, either semi-sintered or un-sintered, is positioned between the solid portion and the solid core. A force selected from the group consisting of a tensile, compressive, vibratory, and torsional force is applied to the solid core at the attachment feature. The material is then shorn with the shearing feature.
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公开(公告)号：US20170167385A1
公开(公告)日：2017-06-15
申请号：US14963545
申请日：2015-12-09
发明人： James D. Hill , Steven J. Laporte , Wendell V. Twelves, JR. , Stephen K. Kramer , Simon Pickford
IPC分类号： F02C7/18
CPC分类号： F02C7/141 , F05D2260/213 , Y02T50/671 , Y02T50/676
摘要： A thermal energy exchange system for cooling air of a gas turbine engine includes a heat exchanger located at a diffuser of the gas turbine engine. The diffuser is positioned axially between a compressor and a combustor of the gas turbine engine. A fuel source is operably connected to the heat exchanger to direct a flow of fuel through the heat exchanger via a fuel pipe and toward a fuel nozzle of the combustor. An airflow inlet directs a cooling airflow through the heat exchanger to reduce an airflow temperature via thermal energy exchange between the cooling airflow and the flow of fuel. An airflow outlet directs the cooling airflow from the heat exchanger toward one or more of components of the turbine to cool the one or more components.
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7.发明申请Additive Manufactured Inseparable Platform Damper and Seal Assembly for a Gas Turbine Engine 有权用于燃气轮机发动机的添加剂制造的不可分离的平台阻尼器和密封组件公开(公告)号：US20160222798A1
公开(公告)日：2016-08-04
申请号：US14613724
申请日：2015-02-04
CPC分类号： F01D5/22 , B22F3/1055 , B22F5/009 , B22F7/00 , B29C64/153 , B33Y80/00 , F01D11/006 , F01D11/008 , F01D25/06 , F05D2230/22 , F05D2260/96 , Y02P10/295
摘要： A damper-seal assembly for a gas turbine engine includes an additively manufactured seal and an additively manufactured damper inseparably assembled with the additively manufactured seal.
摘要翻译： 用于燃气涡轮发动机的阻尼器密封组件包括相加制造的密封件和与加法制造的密封件不可分离地组装的附加制造的阻尼器。
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公开(公告)号：US20200223128A1
公开(公告)日：2020-07-16
申请号：US16779119
申请日：2020-01-31
IPC分类号： B29C64/112 , B29C70/78 , B29C63/00 , B29C63/02
摘要： An additively manufactured component includes a planar sheet and a coating applied to the planar sheet to form the component. The component is configured for attachment to a non-planar surface of a workpiece.
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公开(公告)号：US20190160498A1
公开(公告)日：2019-05-30
申请号：US16262050
申请日：2019-01-30
发明人： Joe Ott , Wendell V. Twelves, JR. , Lexia Kironn , Evan Butcher
摘要： A tool includes a head that extends form the flexible section, an emitter within the head; and a nozzle to eject a cooling fluid therefrom. A method of additively manufacturing a component including delivering series of thermal shocks to a conglomerated powder within an internal passage of an additively manufactured component to facilitate removal of the conglomerated powder.
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公开(公告)号：US20190152012A1
公开(公告)日：2019-05-23
申请号：US16253501
申请日：2019-01-22
发明人： Joe Ott , Wendell V. Twelves, JR. , Evan Butcher , Lexia Kironn
摘要： A tool includes a flexible section; a head that extends form the flexible section; and an exciter within the head. A method of additively manufacturing a component including burrowing a tool into a conglomerated powder within an internal passage of an additively manufactured component, the tool vibrating in a manner to facilitate removal of the conglomerated powder.
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