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公开(公告)号：US11827570B2
公开(公告)日：2023-11-28
申请号：US17380628
申请日：2021-07-20
发明人： Tao Li , Timothy P. Coons , Xi Yang , Michael James Weimer
IPC分类号： C04B35/573 , C04B35/657 , C04B35/64 , B28B7/34 , B32B18/00 , B29C64/135 , C04B35/80 , C04B35/628 , C04B38/06 , B28B23/00 , C04B38/08 , F01D5/28 , C04B35/571 , C04B35/515 , C23C16/04 , B33Y80/00
CPC分类号： C04B35/573 , B28B7/342 , B28B23/0006 , B32B18/00 , C04B35/515 , C04B35/571 , C04B35/62844 , C04B35/62873 , C04B35/62884 , C04B35/62886 , C04B35/64 , C04B35/657 , C04B35/80 , C04B38/06 , C04B38/08 , F01D5/282 , B29C64/135 , B33Y80/00 , C04B2235/422 , C04B2235/5216 , C04B2235/5244 , C04B2235/6028 , C04B2235/614 , C04B2235/616 , C04B2237/365 , C04B2237/38 , C04B2237/62 , C23C16/045 , F05D2300/211 , F05D2300/6012 , F05D2300/6033 , C04B38/08 , C04B35/515 , C04B38/06 , C04B35/515
摘要： The present disclosure relates to a method of fabricating a ceramic composite components. The method may include providing at least a first layer of reinforcing fiber material which may be a pre-impregnated fiber. An additively manufactured component may be provided on or near the first layer. A second layer of reinforcing fiber, which may be a pre-impregnated fiber may be formed on top the additively manufactured component. A precursor is densified to consolidates at least the first and second layer into a densified composite, wherein the additively manufactured material defines at least one cooling passage in the densified composite component.
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公开(公告)号：US11794412B2
公开(公告)日：2023-10-24
申请号：US16280336
申请日：2019-02-20
IPC分类号： G06F19/00 , B29C64/393 , B29C64/245 , B29C64/135 , B29C64/268 , B33Y10/00 , B33Y30/00 , B33Y50/02
CPC分类号： B29C64/393 , B29C64/135 , B29C64/245 , B29C64/268 , B33Y10/00 , B33Y30/00 , B33Y50/02
摘要： An additive manufacturing apparatus is disclosed. The apparatus includes a build surface, at least a portion of which is transparent. The apparatus includes a first material depositor operable to deposit a curable resin to form a deposited resin layer on the build surface. A first sensing device is configured to measure the thickness of the deposited resin layer; and wherein the at least one sensing device is configured to generate a signal indicative of the thickness of the deposited resin layer. The first sensing device can be connected to a computer such that the additive manufacturing apparatus is configured to control the thickness of the deposited resin layer. The thickness of the deposited resin layer can be controlled such that it varies from side to side, i.e. across the width of the deposited resin layer in the transverse direction along the x-axis. The thickness can also be controlled such that it varies with time, i.e., in the machine direction along the y-axis.
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公开(公告)号：US20220339859A1
公开(公告)日：2022-10-27
申请号：US17729142
申请日：2022-04-26
发明人： William Joseph Steele , Christopher David Barnhill , Brian Thomas Thompson , Meredith Elissa Dubelman , Xi Yang
IPC分类号： B29C64/124 , B29C64/245 , B29C64/264 , B29C64/232 , B29C64/236 , B33Y10/00 , B33Y30/00
摘要： An additive manufacturing apparatus includes a support plate defining a window and a resin support configured to support an uncured layer of resin. A stage is configured to hold one or more cured layers of the resin to form a component positioned opposite a support plate. A radiant energy device is positioned on an opposite side of the resin support from the stage and is operable to generate and project radiant energy in a patterned image through the window. The stage is configured to move simultaneously with the resin support from a first position to a second position in an X-axis direction.
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公开(公告)号：US20210349439A1
公开(公告)日：2021-11-11
申请号：US16871186
申请日：2020-05-11
发明人： Daniel Endecott Osgood , Tingfan Pang , Gregory Terrence Garay , Xi Yang , Daniel Lee Durstock , Steven Robert Brassfield , William Charles Herman
IPC分类号： G05B19/4099 , B29C64/393 , G06F30/10
摘要： A method of using additive manufacturing to form or print a component based on an original model of a component, where the geometry of the original model is compensated to form a compensated model. The compensated model can be used to form or print the component. The printed component as a final model can then be compared to the original model.
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公开(公告)号：US10968750B2
公开(公告)日：2021-04-06
申请号：US16120758
申请日：2018-09-04
发明人： Zachary Daniel Webster , Gregory Terrence Garay , Xi Yang , Tingfan Pang , Steven Robert Brassfield
IPC分类号： F01D5/18
摘要： An apparatus and method for cooling a component for a turbine engine which generates a hot gas flow and provides a cooling fluid flow, the component comprising a body having an outer surface, at least a portion of which is exposed to the hot gas flow to define a hot surface, a cooling cavity located within the body and fluidly coupled to the cooling fluid flow and a pin located within the cooling cavity and defining a cooling hole.
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公开(公告)号：US20200290275A1
公开(公告)日：2020-09-17
申请号：US16355144
申请日：2019-03-15
IPC分类号： B29C64/245 , B33Y10/00 , B33Y30/00 , B29C64/129 , B29C64/264 , B29C64/236
摘要： An additive manufacturing machine includes: a resin support which has at least a portion which is transparent, wherein the resin support defines a build surface; a material depositor operable to deposit a resin which is radiant-energy-curable onto the build surface; at least two build stations, each build station including: a stage positioned adjacent the build zone and configured to hold a stacked arrangement of one or more cured layers of the resin; one or more actuators operable to manipulate a relative position of the stage and the build surface; and at least one radiant energy apparatus positioned opposite to the stage, and operable to generate and project radiant energy in a predetermined pattern.
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公开(公告)号：US10538460B2
公开(公告)日：2020-01-21
申请号：US15922587
申请日：2018-03-15
摘要： A ceramic slurry for forming a ceramic article includes a binder, a first plurality of ceramic particles having a first morphology, a second plurality of ceramic particles having a second morphology that is different from the first morphology; and a photoinitiator. A method for using this slurry for fabricating ceramic articles is presented as well.
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公开(公告)号：US10391670B2
公开(公告)日：2019-08-27
申请号：US15636008
申请日：2017-06-28
发明人： Xi Yang , Michael Cole , Michael Brown , Gregory Terrence Garay , Tingfan Pang , Brian David Przeslawski , Douglas Gerard Konitzer
IPC分类号： B22C9/04 , B22C9/10 , B22C7/02 , B28B1/00 , B33Y10/00 , B28B7/28 , F01D5/14 , B28B7/34 , F01D5/18 , B22C9/08
摘要： A method of forming a cast component and a method of forming a casting mold is generally provided. The method is performed by plugging or covering an opening in a ceramic core-shell mold. The ceramic core-shell mold includes at least a first core portion, a first shell portion, and at least one first cavity between the core portion and the first shell portion. The core-shell mold may be manufactured using an additive manufacturing process. At least a portion of the ceramic core-shell mold and the plug or cover is coated with a second ceramic material.
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公开(公告)号：US10364189B2
公开(公告)日：2019-07-30
申请号：US15586390
申请日：2017-05-04
发明人： Anthony Yu-Chung Ku , Xi Yang , Tao Li , John Patrick Pollinger , Zachary Kenneth Mowry , Frederic Joseph Klug
IPC分类号： C04B35/185 , C04B41/53 , B28B1/24 , B28B11/24 , C04B35/64 , C04B41/00 , B28B7/42 , C04B41/80 , C22C9/10 , C04B111/00
摘要： Methods for forming ceramic cores are disclosed. A ceramic core formed using the method of the present application includes a silica depletion zone encapsulating an inner zone. The inner zone includes mullite and the silica depletion zone includes alumina. The method includes heat-treating a ceramic body in a non-oxidizing atmospheric condition for an effective temperature and time combination at a pressure less than 10−2 atmosphere to form the silica depletion zone at a surface of the ceramic core.
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公开(公告)号：US10173932B1
公开(公告)日：2019-01-08
申请号：US13731513
申请日：2012-12-31
IPC分类号： C04B35/622
摘要： A disposable core die includes a first portion defining an inlet configured to receive a slurry therethrough, a second portion integrally formed downstream from the first portion and configured to receive the slurry from the first portion, and a third portion integrally formed downstream from the second portion. The second portion includes a plurality of hollow tubes that are substantially coaxially aligned and have a wall thickness within a range defined between about 0.1 mm and about 0.5 mm, and the third portion defines an outlet configured to discharge excess slurry from the second portion.
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