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1.发明申请公开(公告)号：US20050123389A1
公开(公告)日：2005-06-09
申请号：US10729695
申请日：2003-12-04
申请人： Mark Morris , William Howe , George Zurmehly , Alan Tiltman , George Wolfmeyer , John Sciacca
发明人： Mark Morris , William Howe , George Zurmehly , Alan Tiltman , George Wolfmeyer , John Sciacca
CPC分类号： F01D25/12 , F01D9/04 , F01D11/005 , F01D11/10 , F05D2230/12 , F05D2240/11 , F05D2240/81 , F05D2250/29 , F05D2260/202 , Y02T50/67 , Y02T50/676
摘要： A cooled shroud assembly includes an angled slot and a plurality of dilution jet openings. The shroud forward cavity is modified such that at least one recirculation zone is produced. The angled slot forces an axial change in momentum of the hot gas flow and increases radial and axial pressure variation attenuation. The cooled shroud assembly isolates the shroud structure and seals from the hot flow path and a cooling flow from the dilution jet openings dilutes the hot gas flow. A series of recirculation zones shields the shroud carrier and high pressure seals from the hot gas flow.
摘要翻译： 冷却的护罩组件包括成角度的槽和多个稀释喷射开口。 护罩前腔被修改为使得至少一个再循环区被产生。 倾斜的狭槽迫使热气流动力的轴向变化，并增加径向和轴向的压力变化衰减。 冷却的护罩组件将护罩结构和密封件与热流路隔离，并且来自稀释喷射口的冷却流量稀释热气流。 一系列再循环区域将护罩载体和高压密封件与热气流屏蔽。
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公开(公告)号：US20060067813A1
公开(公告)日：2006-03-30
申请号：US10950750
申请日：2004-09-27
申请人： Adrian Allan , James Hadder , George Zurmehly
发明人： Adrian Allan , James Hadder , George Zurmehly
IPC分类号： F01D25/26
CPC分类号： F01D9/02 , F01D25/246 , F01D25/26 , F05D2240/11 , Y10T29/4932 , Y10T29/49323 , Y10T29/49863 , Y10T29/49874
摘要： The mounting of low expansion full ring shrouds in a turbine engine requires radial compliance to limit the stresses experienced by the shroud due to thermal growth differences between the shroud and its support. The present invention provides a method of providing radial compliance with no looseness in the mounting system. The compliant mounting system of the present invention also allows for axial motion of the shroud, should such motion be needed or desired. The lack of looseness in the shroud mounting system of the present invention results in an ability to achieve smaller tip clearances and thus better engine performance.
摘要翻译： 在涡轮发动机中安装低膨胀全环护罩需要径向顺应性，以限制由于护罩和其支撑件之间的热膨胀差异导致的护罩所经受的应力。 本发明提供了一种在安装系统中提供没有松动的径向顺应性的方法。 如果需要或期望这样的运动，本发明的柔性安装系统还允许护罩的轴向运动。 在本发明的护罩安装系统中缺乏松动性导致能够实现更小的尖端间隙，从而获得更好的发动机性能。
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公开(公告)号：US20050158173A1
公开(公告)日：2005-07-21
申请号：US10759928
申请日：2004-01-15
申请人： Ly Nguyen , Lori Wheeler , Greg Ockenfels , Darrell James , George Zurmehly
发明人： Ly Nguyen , Lori Wheeler , Greg Ockenfels , Darrell James , George Zurmehly
CPC分类号： F02C7/04 , F04D29/4206 , F04D29/444 , F04D29/681 , F05D2220/50 , Y10T29/49236
摘要： An integral assembly that may improve control over thermal and mechanical behaviors of assembly structures during various transient operation conditions is disclosed. The integral assembly comprises a continuous ring disposed coaxial with, and orthogonal to a central axis, the continuous ring comprising a plurality of surfaces, the plurality of surfaces having a continuous outer surface and a continuous inner surface; the plurality of surfaces being characterized by a continuous cross section having a first cross sectional dimension longitudinally disposed parallel to the central axis; the plurality of surfaces comprising a bell mouth surface in physical communication with a compressor shroud surface; the compressor shroud surface being in physical communication with a diffuser surface; and the diffuser surface being in physical communication with the bell mouth surface. The integral assembly comprising a compressor shroud is also provided. An auxiliary power unit including the integral assembly, and a method of making the integral assembly are also disclosed.
摘要翻译： 公开了一种整体组件，其可以在各种瞬态操作条件期间改善对组装结构的热和机械特性的控制。 整体组件包括与中心轴同轴并且与中心轴正交的连续环，连续环包括多个表面，多个表面具有连续的外表面和连续的内表面; 所述多个表面的特征在于具有平行于所述中心轴线纵向设置的第一横截面尺寸的连续横截面; 所述多个表面包括与压缩机护罩表面物理连通的喇叭口表面; 压缩机护罩表面与扩散器表面物理连通; 并且扩散器表面与喇叭口表面物理连通。 还提供了包括压缩机护罩的整体组件。 还公开了包括整体组件的辅助动力单元以及制造整体组件的方法。
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