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    • 15. 发明公开
    • High thrust gas turbine engine with modified core system
    • Hohem Schub Gasturbine mit modifizierter气体发生器
    • EP1637711A2
    • 2006-03-22
    • EP05255493.8
    • 2005-09-08
    • GENERAL ELECTRIC COMPANY
    • Orlando, Robert JosephVenkataramani, Kattalaicheri SrinivasanLee, Ching-PangMoniz, Thomas OryMurrow, Kurt David
    • F02C5/00
    • F02C7/18F02C5/00F05D2260/20F05D2260/96F23R3/005F23R3/04F23R7/00F23R2900/03044F23R2900/03281Y02T50/676
    • A gas turbine engine (44) having a longitudinal centerline axis (12) therethrough, including: a fan section (16) at a forward end of the gas turbine engine (44) including at least a first fan blade row connected to a first drive shaft (40); a booster compressor (20) positioned downstream of and in at least partial flow communication with the fan section (16) including a plurality of stages, each stage including a stationary compressor blade row and a rotating compressor blade row connected to a drive shaft (40/51) and interdigitated with the stationary compressor blade row; a core system (45) positioned downstream of the booster compressor (20), where the core system (45) further includes an intermediate compressor (47) positioned downstream of and in flow communication with the booster compressor (20), the intermediate compressor (47) being connected to a second drive shaft (51), and a combustion system (46) for producing pulses of gas having increased pressure and temperature from a fluid flow (52) provided to an inlet (54) thereof so as to produce a working fluid (48) at an outlet (50); and, a low pressure turbine (36) positioned downstream of and in flow communication with the core system (45), the low pressure turbine (36) being utilized to power the first drive shaft (40). The core system (46) may also include an intermediate turbine (49) positioned downstream of the combustion system (46) in flow communication with the working fluid (48), where the intermediate turbine (49) is utilized to power the second drive shaft (51). A first source (64) of compressed air (52) having a predetermined pressure is provided to the combustion system inlet (50) and a second source (66) of compressed air (65) having a pressure greater than the first source (64) of compressed air (52) is provided to cool the combustion system (46).
    • 一种燃气涡轮发动机(44),其具有穿过其的纵向中心线轴线(12),包括:在燃气涡轮发动机(44)的前端处的风扇部分(16),包括至少第一风扇叶片排,其连接到第一驱动 轴(40); 位于与包括多个级的风扇部分(16)的下游并且至少部分流动连通的增压压缩机(20),每个级包括固定压缩机叶片排和连接到驱动轴(40)的旋转压缩机叶片排 / 51)并与固定压缩机叶片排相互指向; 位于所述增压压缩机(20)下游的核心系统(45),其中所述核心系统(45)还包括位于所述增压压缩机(20)下游并与所述增压压缩机(20)流动连通的中间压缩机(47) 47)连接到第二驱动轴(51)和用于从设置到其入口(54)的流体流(52))产生具有增加的压力和温度的气体脉冲的燃烧系统(46),以产生 在出口(50)处的工作流体(48); 以及位于所述核心系统(45)下游并与所述核心系统(45)流动连通的低压涡轮机(36),所述低压涡轮机(36)用于为所述第一驱动轴(40)供电。 核心系统(46)还可以包括位于燃烧系统(46)下游的与工作流体(48)流动连通的中间涡轮机(49),其中中间涡轮机(49)用于为第二驱动轴 (51)。 具有预定压力的压缩空气(52)的第一源(64)被提供给燃烧系统入口(50)和具有大于第一源(64)的压力的压缩空气(65)的第二源(66) 提供压缩空气(52)以冷却燃烧系统(46)。
    • 16. 发明公开
    • Pulse detonation system for a gas turbine engine
    • Pulsiertes DetonationssystemfürGasturbinen
    • EP1455065A2
    • 2004-09-08
    • EP04251220.2
    • 2004-03-03
    • GENERAL ELECTRIC COMPANY
    • Venkataramani, Kattalaicheri SrinivasanButler, LawrenceBailey, William Andrew
    • F02C5/06F02K7/02
    • F02C3/165F02K3/06F02K7/02Y02T50/671
    • A pulse detonation system for a gas turbine engine having a longitudinal centerline axis (12) extending therethrough, where the pulse detonation system includes an air inlet duct (48) in flow communication with a source of compressed air, the air inlet duct (48) including at least one port (50) formed therein for permitting compressed air to flow therethrough, a fuel injector (52) mounted to the air inlet duct (48) in circumferentially spaced relation to each port (50), and a device mounted to the air inlet duct (48) in circumferentially spaced relation to each fuel injector (52) for initiating a detonation wave. A rotatable ring member (56) is also positioned in coaxial relation around a portion of the air inlet duct (48), with the ring member (56) including at least one stage of detonation (58/60) disposed therein. Accordingly, a detonation wave is produced in each detonation stage (58,60) and combustion gases following each detonation wave create a torque which causes the ring member (56) to rotate. Each detonation stage (58,60) in the ring member (56) further includes a plurality of circumferentially spaced detonation ducts (66) extending tangentially from an inner surface (74) of the ring member (56), wherein the detonation ducts (66) are aligned with each port (50), the fuel injector (52) and the initiation device (54) in a predetermined timing and sequence so that detonation waves are produced therein.
    • 一种用于具有延伸穿过其中的纵向中心线轴线(12)的燃气涡轮发动机的脉冲爆震系统,其中所述脉冲爆炸系统包括与压缩空气源流动连通的进气管道(48),所述进气管道(48) 包括在其中形成的用于允许压缩空气流过其中的至少一个端口(50),与每个端口(50)周向间隔开地安装到空气入口管道(48)的燃料喷射器(52),以及安装到 空气入口管道(48)与每个燃料喷射器(52)周向间隔开,用于引发爆震波。 旋转环构件(56)也围绕空气入口管道(48)的一部分以同轴的关系定位,环形构件(56)包括设置在其中的至少一个爆震级(58/60)。 因此,在每个爆震级(58,60)中产生爆震波,并且在每个爆震波之后的燃烧气体产生使得环件(56)旋转的扭矩。 环形构件(56)中的每个爆震级(58,60)还包括从环形构件(56)的内表面(74)切向延伸的多个周向间隔开的爆震导管(66),其中引爆管道(66 )以预定的定时和顺序与每个端口(50),燃料喷射器(52)和启动装置(54)对准,使得在其中产生爆震波。