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    • 3. 发明申请
    • PLENUM ENTRY BULK SWIRL GENERATOR
    • PLENUM进入大容量SWIRL发电机
    • WO2002074621A1
    • 2002-09-26
    • PCT/US2002/008031
    • 2002-03-14
    • HONEYWELL INTERNATIONAL INC.
    • SHEORAN, Yogendra, Y.BOULDIN, Bruce, D.
    • B64D41/00
    • B64D41/00B64D33/02B64D2033/0213F02C7/04F05D2220/50F15D1/04
    • A swirl generator for creating bulk swirl in a compressor plenum (22) in the opposite direction to the direction of rotation of the compressor rotor (12). The generator includes a continuous flow pasageway formed by an inlet duct (40) and a compressor (12) forming an angle in the range of about 0°-180° to one another. A non-uniform velocity gradient (30) forming an angle in the range of about 0°-180° to one another. A non-uniform velocity gradient (30) is created by forming an area of non-uniform cross-sectional area within the flow passageway. The non-uniform area may comprise a ramp with a tapered end line, a rounded line of intersection, a fillet or by lengthening one side wall of the inlet duct relative to the opposite side wall. Preferably, the non-uniform cross sectional area uniformly tapers from ones sidewall of the flow passageway to the opposite sidewall.
    • 一种涡旋发生器,用于在与压缩机转子(12)的旋转方向相反的方向上在压缩机室(22)中产生大量涡流。 发电机包括由入口管道(40)和形成在约0°-180°范围内的角度的压缩机(12)形成的连续流动通道。 不均匀的速度梯度(30)形成在约0°-180°范围内的角度。 通过在流动通道内形成不均匀的横截面积的区域来产生非均匀的速度梯度(30)。 不均匀区域可以包括具有锥形端线,圆角线,圆角或通过相对于相对侧壁延长入口管道的一个侧壁的斜面。 优选地,不均匀的横截面积从流动通道的侧壁到相对的侧壁均匀地逐渐变细。
    • 4. 发明申请
    • TORTUOUS PATH EXHAUST EDUCTOR SYSTEM
    • TORTUOUS路径排气教育系统
    • WO2002079631A1
    • 2002-10-10
    • PCT/US2002/009387
    • 2002-03-26
    • HONEYWELL INTERNATIONAL INC.
    • SHEORAN, Yogendra, Y.EDMONDS, David, H.BROWN, Daniel, V.
    • F02K1/82
    • B64D33/06B64D41/00B64D2041/002F02C7/14F02K1/36F02K1/827F05D2220/50F05D2250/314F05D2260/601F05D2260/96Y02T50/44Y02T50/671Y02T50/675
    • A tortuous path quiet exhaust eductor system may be mounted to a gas turbine engine, such as commercial aircraft APU. The system includes an oil cooler, eductor primary nozzle, oil cooler nozzle, and surge air dump nozzle. The primary nozzle, oil cooler air nozzle, and surge air dump nozzle direct exhaust flow to entrain APU compartment cooling air, oil cooling air and surge air in a direction having both radial and axial components with respect to the APU centerline axis. The exhaust flow is directed into an eductor mixing duct angled away from the centerline axis and then is turned to enter an exit duct angled toward the centerline axis so that direct line of sight acoustic paths from the tail pipe exit to the turbine exit are blocked, suppressing core noise. The tail pipe ducts may be acoustically treated, further enhancing noise suppresion.
    • 曲折路径安静的排气喷射器系统可以安装在诸如商用飞机APU的燃气涡轮发动机上。 该系统包括油冷却器,喷射器主喷嘴,油冷却器喷嘴和浪涌空气倾倒喷嘴。 主喷嘴,油冷却器空气喷嘴和浪涌空气倾倒喷嘴直接排出流动,以相对于APU中心线轴线沿径向和轴向分量的方向夹带APU室冷却空气,油冷却空气和浪涌空气。 排气流被引导到远离中心线轴线成角度的喷射器混合管道中,然后被转动以进入朝向中心线轴线成角度的出口管道,使得从尾管出口到涡轮机出口的直接视线声学路径被阻挡, 抑制核心噪声。 尾管可以进行声学处理,进一步增强噪音抑制。
    • 6. 发明公开
    • QUIET CHEVRON/TAB EXHAUST EDUCTOR SYSTEM
    • 安静的CHEVRON / TAB排气喷雾系统
    • EP1797311A2
    • 2007-06-20
    • EP05817301.4
    • 2005-09-23
    • Honeywell International, Inc.
    • SHEORAN, Yogendra, Y.JUDD, Zedic, D.BROWN, Daniel, V.
    • F02K1/82F02K1/38F02K1/36B64D33/04
    • F02K1/48B64D41/00B64D2041/002F02K1/386F05D2220/50F05D2260/601Y02T50/671
    • The present invention provides a means for inducing (educting) a 'passive' secondary flow stream (122) using an exhaust eductor system (110) including a primary exhaust nozzle (112) designed to transport an active flow stream (120) and a plurality of tabs (118) extending from a rear perimeter of the primary exhaust nozzle (112). Each of the tabs (118) is designed to be bent at an angle in relation to the primary exhaust nozzle (112). An exhaust mixing duct (114) is positioned around the primary exhaust nozzle (112) that is designed to transport a passive flow stream (122) to the active flow stream (120) where the plurality of tabs (118) create a streamwise vorticity to enhance the mixing of the active flow stream (120) and the passive flow stream (122).
    • 本发明提供了一种用于使用排气喷射器系统(110)来诱导(导出)“被动”二次流动流(122)的装置,所述排气喷射器系统包括设计成输送活动流动流(120)的主排气喷嘴(112) 从主排气喷嘴(112)的后周边延伸的接片(118)。 每个接片(118)被设计成相对于主排气喷嘴(112)以一定角度弯曲。 围绕主排气喷嘴(112)设置排气混合管道(114),所述排气混合管道被设计为将被动流动流(122)输送到主动流动流(120),其中多个翼片(118)产生流动涡旋至 增强活性流动流(120)和被动流动流(122)的混合。
    • 10. 发明公开
    • PLENUM ENTRY BULK SWIRL GENERATOR
    • 入口散装涡旋发生器
    • EP1368228A1
    • 2003-12-10
    • EP02721438.6
    • 2002-03-14
    • Honeywell International Inc.
    • SHEORAN, Yogendra, Y.BOULDIN, Bruce, D.
    • B64D41/00B64D33/02F02C7/04F15D1/04
    • B64D41/00B64D33/02B64D2033/0213F02C7/04F05D2220/50F15D1/04
    • A swirl generator for creating bulk swirl in a compressor plenum (22) in the opposite direction to the direction of rotation of the compressor rotor (12). The generator includes a continuous flow pasageway formed by an inlet duct (40) and a compressor (12) forming an angle in the range of about 0°-180° to one another. A non-uniform velocity gradient (30) forming an angle in the range of about 0°-180° to one another. A non-uniform velocity gradient (30) is created by forming an area of non-uniform cross-sectional area within the flow passageway. The non-uniform area may comprise a ramp with a tapered end line, a rounded line of intersection, a fillet or by lengthening one side wall of the inlet duct relative to the opposite side wall. Preferably, the non-uniform cross sectional area uniformly tapers from ones sidewall of the flow passageway to the opposite sidewall.
    • 一种涡旋发生器,用于在与压缩机转子(12)的旋转方向相反的方向上在压缩机增压室(22)中产生大量涡流。 发电机包括由进口管道(40)和压缩机(12)形成的连续流动的通道,该进口通道与压缩机(12)形成彼此处于约0°至180°范围内的角度。 一个非均匀的速度梯度(30)形成一个彼此相差约0°-180°的角度。 通过在流动通道内形成不均匀的横截面积的区域来产生不均匀的速度梯度(30)。 非均匀区域可以包括具有锥形端线,圆形交线,斜角或通过相对于相对侧壁延长入口管道的一个侧壁的斜坡。 优选地,不均匀横截面从流动通道的侧壁到相对侧壁均匀地渐缩。