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    • 1. 发明申请
    • EJECTOR BASED ENGINES
    • 基于喷射器的发动机
    • WO03071117A8
    • 2007-10-25
    • PCT/US0304911
    • 2003-02-18
    • SPACE ACCESS LLCBOEHNLEIN JOHNBENDOT JOSEPHSCHOELEN FRANCIS
    • BOEHNLEIN JOHNBENDOT JOSEPHSCHOELEN FRANCIS
    • F02C7/143F02K7/10F02K7/00F02K7/12F02K7/18F23R3/28
    • F02K7/12F02K7/10F05D2260/601
    • The ejector based engine is, as an example in an ejector ramjet engine (1), a propulsion duct having normal augmented ramjet elements of an inlet (2), mixer (4), diffuser (5), combustor (6) and exit nozzle (8) that allow operating velocities from zero to hypersonic. At the upstream end of the mixer (4) an injector assembly (50) is mounted in the fluid flow path to form an ejector (3). The injector assembly (50) has one or more injector rings which have alternatively offset injector exhaust nozzles (53) or slots to direct fluid toward the engine internal wall (14) or the engine longitudinal axis (9) respectively to improve fluid mixing for use of a shorter mixer section. The supply of fluid to the injector exhaust nozzles (53) may be by fuel flow pumps and other elements connected to injector chambers (55) in the injector ring or by an injector combustor (15) external to the mixer (4).
    • 作为喷射器冲压喷气发动机(1)中的示例,喷射器发动机是具有入口(2),混合器(4),扩散器(5),燃烧器(6)和出口喷嘴(6)的正常增强的冲压喷气元件的推进管道 (8)允许操作速度从零到超音速。 在混合器(4)的上游端,喷射器组件(50)安装在流体流动路径中以形成喷射器(3)。 喷射器组件(50)具有一个或多个喷射器环,其具有替代地偏置喷射器排气喷嘴(53)或狭槽以分别朝向发动机内壁(14)或发动机纵向轴线(9)引导流体,以改善流体混合使用 较短的混合器部分。 向喷射器排气喷嘴(53)供应流体可以通过燃料流动泵和连接到喷射器环中的喷射器腔室(55)的其它元件或由混合器(4)外部的喷射器燃烧器(15)供应。