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    • 8. 发明授权
    • Acoustic damping device for use in gas turbine engine
    • 用于燃气轮机的声阻尼装置
    • US08469141B2
    • 2013-06-25
    • US13207074
    • 2011-08-10
    • Shanwu WangFei HanMark Anthony Mueller
    • Shanwu WangFei HanMark Anthony Mueller
    • F02K1/00
    • F23R3/002F02C7/24F05D2260/963F23M20/005F23R2900/00014
    • An acoustic dampener comprises a first wall, orifice plate, and second wall. The first wall separates a first fluid source from a second fluid source. The first wall has a hole for allowing fluid communication between the first fluid source and a first cavity of the acoustic dampener. The office plate separates the first cavity of the acoustic dampener from a second cavity of the acoustic dampener. The second wall has a hole for allowing fluid communication between the first cavity of the acoustic dampener in the second cavity of the acoustic dampener. The second wall separates the second cavity of the acoustic dampener from the second fluid source. The second wall has a hole for allowing fluid communication between the second cavity of the acoustic dampener and the second fluid source. In one embodiment, the acoustic dampener is formed in a combustion chamber liner of a gas turbine engine.
    • 声阻尼器包括第一壁,孔板和第二壁。 第一壁将第一流体源与第二流体源分开。 第一壁具有用于允许第一流体源和声学缓冲器的第一腔之间的流体连通的孔。 办公室板将隔音器的第一腔与声学缓冲器的第二腔分开。 第二壁具有用于允许声学缓冲器的第二腔中的声学缓冲器的第一腔之间的流体连通的孔。 第二壁将声阻尼器的第二腔与第二流体源分开。 第二壁具有用于允许声阻尼器的第二腔和第二流体源之间的流体连通的孔。 在一个实施例中,声阻尼器形成在燃气涡轮发动机的燃烧室衬套中。
    • 10. 发明授权
    • System and method for controlling combustion dynamics
    • 控制燃烧动力学的系统和方法
    • US08381530B2
    • 2013-02-26
    • US12431095
    • 2009-04-28
    • Kapil Kumar SinghFei HanShiva SrinivasanKwanwoo Kim
    • Kapil Kumar SinghFei HanShiva SrinivasanKwanwoo Kim
    • F02C7/22
    • F23D14/48F02C7/222F02C9/28F05D2260/964F23D2900/14482F23N5/24F23R2900/00013
    • A tunable fluid flow control system for controlling combustion dynamics in a combustor is disclosed. The control system includes a fuel supply path having an inlet portion, a first diverted portion, a second diverted portion, and an exit portion. A first diverted portion has a first length and a first diameter. A second diverted portion has a second length and a second diameter and spaced apart from the first diverted portion. The first and second diverted portions converge at a merging location. The exit portion is coupled to the merging location of the first and second diverted portions. At least one flow regulation device is coupled to the inlet portion and configured to divert fuel flow to the first and second diverted portions alternately to generate fuel flow perturbations at the merging location.
    • 公开了一种用于控制燃烧器中的燃烧动力学的可调流体流量控制系统。 控制系统包括具有入口部分,第一转向部分,第二转向部分和出口部分的燃料供给路径。 第一转向部分具有第一长度和第一直径。 第二转向部分具有第二长度和第二直径并且与第一转向部分间隔开。 第一和第二转向部分在合并位置收敛。 出口部分耦合到第一和第二转向部分的合并位置。 至少一个流量调节装置联接到入口部分并被配置成交替地将燃料流转移到第一和第二转向部分以在合并位置产生燃料流动扰动。