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公开(公告)号：US20130081375A1
公开(公告)日：2013-04-04
申请号：US13251139
申请日：2011-09-30
CPC分类号： F02C7/04 , F02K3/075 , F02K3/077 , Y02T50/671 , Y10T137/0536
摘要： An inlet apparatus for a gas turbine engine includes: a fan duct adapted to surround at least one row of rotating fan blades, the fan duct having a circular frontal area, and defining a first inlet plane; and an outer duct surrounding the fan duct, the outer duct including: a first frontal area shape at the first inlet plane which defines, cooperatively with an exterior of the fan duct, at least one lobe through which air can pass; and a second frontal area shape at a second inlet plane located axially downstream from the forward end which is circular, and which defines, cooperatively with an exterior of the fan duct, an annulus through which air can pass.
摘要翻译： 用于燃气涡轮发动机的入口装置包括：风扇管道，其适于围绕至少一排旋转风扇叶片，所述风扇管道具有圆形正面区域，并且限定第一入口平面; 以及围绕所述风扇管道的外部管道，所述外部管道包括：在所述第一入口平面处的第一正面区域形状，其与所述风扇管道的外部协调地限定空气可以通过的至少一个叶片; 并且在第二入口面处的第二正面区域形状，位于从前端轴向下游的圆形的第二入口面，并且与风扇管道的外部协调地限定空气可以通过的环形空间。
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公开(公告)号：US09777631B2
公开(公告)日：2017-10-03
申请号：US13251139
申请日：2011-09-30
IPC分类号： F02C7/04
CPC分类号： F02C7/04 , F02K3/075 , F02K3/077 , Y02T50/671 , Y10T137/0536
摘要： An inlet apparatus for a gas turbine engine includes: a fan duct adapted to surround at least one row of rotating fan blades, the fan duct having a circular frontal area, and defining a first inlet plane; and an outer duct surrounding the fan duct, the outer duct including: a first frontal area shape at the first inlet plane which defines, cooperatively with an exterior of the fan duct, at least one lobe through which air can pass; and a second frontal area shape at a second inlet plane located axially downstream from the forward end which is circular, and which defines, cooperatively with an exterior of the fan duct, an annulus through which air can pass.
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