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1. 发明授权

US4466587A Nacelle installation 失效
标题翻译：机舱安装
公开(公告)号：US4466587A
公开(公告)日：1984-08-21
申请号：US332893
申请日：1981-12-21
申请人： Donald J. Dusa , Conrad D. Wagenknecht
发明人： Donald J. Dusa , Conrad D. Wagenknecht
IPC分类号： B64D29/00 , B64C23/06 , B64D33/04 , F02K1/52 , B64C1/38
CPC分类号： B64C7/02 , B64C23/06 , B64D29/02 , B64D33/04 , F02K1/52 , F05D2270/173 , Y02T50/162 , Y02T50/671
摘要： Nacelle installation having devices for constraining hot core exhaust gas from flowing over the trailing portion of a highly swept pylon supporting a high bypass turbofan engine. The devices can comprise a pylon ejector, a core nozzle shroud or a plurality of vortex generators and are disposed generally in the region adjacent the intersection of the core nozzle exit of the engine and the pylon shelf portion of the pylon.
摘要翻译：机舱安装具有用于约束热核废气的装置，其流过支撑高旁路涡扇发动机的高度扫掠的塔架的尾部。该装置可以包括一个塔架喷射器，一个核心喷嘴罩或多个涡流发生器，并且大致设置在邻近发动机的核心喷嘴出口和塔架的塔架架部分的相交处的区域中。

2. 发明授权

US4592201A Turbofan mixed flow exhaust system 失效
标题翻译： Turbofan混流式排气系统
公开(公告)号：US4592201A
公开(公告)日：1986-06-03
申请号：US604413
申请日：1984-04-30
申请人： Donald J. Dusa , Andrew P. Kuchar , Guy K. Faust
发明人： Donald J. Dusa , Andrew P. Kuchar , Guy K. Faust
IPC分类号： F02K1/38
CPC分类号： F02K1/386
摘要： An improved exhaust system including a lobed mixer and an improved exhaust centerbody is provided. The improved exhaust centerbody includes means for cooperating with the lobed mixer to increase mixing effectiveness of the exhaust system without substantially increasing pressure losses attributable thereto. In a preferred embodiment of the invention, the cooperating means include a plurality of circumferentially spaced elongated deformations, such as grooves and ridges, which deformations extend radially with respect to a reference surface of the exhaust centerbody and which deformations are aligned in an axial direction substantially parallel to a longitudinal axis of the centerbody.
摘要翻译：提供了一种改进的排气系统，其包括叶混合器和改进的排气中心体。改进的排气中心体包括用于与叶片混合器配合以提高排气系统的混合效率的装置，而基本不增加归因于其的压力损失。在本发明的优选实施例中，协作装置包括多个周向间隔开的细长变形，例如槽和脊，其变形相对于排气中心体的参考表面径向地延伸，并且这些变形基本上在轴向上对准平行于中心体的纵向轴线。

3. 发明授权

US4050242A Multiple bypass-duct turbofan with annular flow plug nozzle and method of operating same 失效
标题翻译：具有环形流动喷嘴喷嘴的多个旁通风扇涡轮风扇及其操作方法
公开(公告)号：US4050242A
公开(公告)日：1977-09-27
申请号：US636442
申请日：1975-12-01
申请人： Donald J. Dusa
发明人： Donald J. Dusa
IPC分类号： F02K1/06 , B64D33/04 , F02K1/08 , F02K3/077 , F02C3/06 , F02K3/06
CPC分类号： F02K1/08 , F02K3/077 , Y02T50/671
摘要： A propulsion nozzle having a substantially cylindrical translatable shroud partially defining an outer flow duct and an articulated plug mounted within the shroud to partially define an inner coannular flow duct. A variable position valve comprises the downstream portion of the common wall between the ducts for modulating the relative flow rates between ducts and for creating a favorable static pressure balance therebetween. The shroud and plug cooperate to form a variable area throat for the combined duct flows.
摘要翻译：推进喷嘴，其具有基本上圆柱形的可平移的护罩，其部分地限定外部流动管道和安装在护罩内的铰接塞子，以部分地限定内部管状流动管道。可变位置阀包括管道之间的公共壁的下游部分，用于调节管道之间的相对流速并在其间形成有利的静压平衡。护罩和插头配合形成用于组合管道流动的可变区域喉部。

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