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1.发明申请公开(公告)号：US20200009646A1
公开(公告)日：2020-01-09
申请号：US16550001
申请日：2019-08-23
发明人： Don Mittendorf , Tho X. Bui , Will Otaluka , Edwin Martinez , John Woodward , Yathiraj Kasal
IPC分类号： B22D27/04 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B05D1/18 , B05D3/02 , B05D7/14 , B22F3/00 , C30B11/00 , C30B29/52
摘要： A method of manufacturing a directionally solidified article of the present disclosure includes providing a collection of particulate material and additively manufacturing a first article with an outer wall from the particulate material. The outer wall defines at least part of a cavity. The cavity contains an amount of the particulate material. The method also includes encasing at least a portion of the first article with an outer member. The outer member defines an internal cavity that corresponds to the first article. The method further includes heating the outer member and the first article to melt the first article into a molten mass within the internal cavity of the outer member. Additionally, the method includes solidifying the molten mass along a predetermined solidification path within the outer member to form a second article that corresponds to at least a portion of the internal cavity of the outer member.
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公开(公告)号：US20190292929A1
公开(公告)日：2019-09-26
申请号：US15926137
申请日：2018-03-20
摘要： A retention and control system includes a rotor configured to rotate about an axis. A shroud ring has a peripheral groove and surrounds the rotor with a clearance defined between the rotor and the ring. A support ring engages the shroud ring in the peripheral groove and axially locates the shroud ring. The support ring includes a series of tabs, each with an aperture, projecting radially outward from the support ring. A retention spring engages the support ring radially outward from the shroud ring and includes a series of openings, one of which registers with each of the apertures. An alignment pin extends through each of the registered openings and apertures to locate the support ring and the engaged shroud ring concentrically with the turbine about the axis.
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公开(公告)号：US10711630B2
公开(公告)日：2020-07-14
申请号：US15926137
申请日：2018-03-20
摘要： A retention and control system includes a rotor configured to rotate about an axis. A shroud ring has a peripheral groove and surrounds the rotor with a clearance defined between the rotor and the ring. A support ring engages the shroud ring in the peripheral groove and axially locates the shroud ring. The support ring includes a series of tabs, each with an aperture, projecting radially outward from the support ring. A retention spring engages the support ring radially outward from the shroud ring and includes a series of openings, one of which registers with each of the apertures. An alignment pin extends through each of the registered openings and apertures to locate the support ring and the engaged shroud ring concentrically with the turbine about the axis.
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4.发明申请公开(公告)号：US20180036796A1
公开(公告)日：2018-02-08
申请号：US15231377
申请日：2016-08-08
发明人： Don Mittendorf , Tho X. Bui , Will Otaluka , Edwin Martinez , John Woodward , Yathiraj Kasal
IPC分类号： B22D27/04 , B33Y30/00 , B33Y40/00 , C30B29/52 , B05D3/02 , B05D7/14 , B22F3/00 , C30B11/00 , B33Y10/00 , B05D1/18
CPC分类号： B22D27/045 , B05D1/18 , B05D3/0254 , B05D7/14 , B22F3/008 , B22F3/1055 , B22F3/24 , B22F5/009 , B22F5/04 , B22F2998/10 , B33Y10/00 , B33Y30/00 , B33Y40/00 , C30B11/002 , C30B11/003 , C30B29/52 , Y02P10/295 , B22F2003/248 , B22F2003/247 , B22F5/003
摘要： A method of manufacturing a directionally solidified article of the present disclosure includes providing a collection of particulate material and additively manufacturing a first article with an outer wall from the particulate material. The outer wall defines at least part of a cavity. The cavity contains an amount of the particulate material. The method also includes encasing at least a portion of the first article with an outer member. The outer member defines an internal cavity that corresponds to the first article. The method further includes heating the outer member and the first article to melt the first article into a molten mass within the internal cavity of the outer member. Additionally, the method includes solidifying the molten mass along a predetermined solidification path within the outer member to form a second article that corresponds to at least a portion of the internal cavity of the outer member.
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