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    • 70. 发明公开
    • Pulse detonation system for a gas turbine engine
    • 燃气涡轮发动机的脉冲爆震系统
    • EP1455065A3
    • 2004-12-22
    • 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.
    • 一种用于燃气涡轮发动机的脉冲爆震系统,其具有延伸穿过其中的纵向中心线轴线(12),其中脉冲爆震系统包括与压缩空气源流动连通的进气管道(48) 包括至少一个形成在其中的用于允许压缩空气流过其中的端口(50),安装到进气管道(48)上的燃料喷射器(52),其与每个端口(50)周向间隔开,以及安装到 与每个燃料喷射器(52)周向间隔开的空气入口导管(48),用于启动爆轰波。 一个可转动的环形件(56)也以同轴的关系设置在进气管(48)的一部分周围,环形件(56)至少包括一个设置在其中的爆炸阶段(58/60)。 因此,在每个爆轰阶段(58,60)中产生爆轰波,并且在每个爆轰波之后的燃烧气体产生导致环部件(56)旋转的扭矩。 环形部件(56)中的每个爆震阶段(58,60)还包括从环形部件(56)的内表面(74)切向延伸的多个周向间隔的爆震导管(66),其中爆震导管 )以预定的时间和顺序与每个端口(50),燃料喷射器(52)和启动装置(54)对齐,从而在其中产生爆轰波。