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    • 7. 发明授权
    • Ejector purge of cavity adjacent exhaust flowpath
    • 喷射器吹扫腔邻近排气流路
    • US08726670B2
    • 2014-05-20
    • US12822519
    • 2010-06-24
    • Frank Gerald BachmanRandy Lee LewisRobert Steven BockwichShane Bunnag
    • Frank Gerald BachmanRandy Lee LewisRobert Steven BockwichShane Bunnag
    • F02K3/10
    • F23R3/18F02K1/822F23R3/06F23R2900/03044Y02T50/675
    • A gas turbine engine augmentor includes an inter-liner cavity including an axially extending annular gap separating augmentor and tailpipe liners. A purge flow cavity is in fluid communication with a fan bypass duct and with the cavity. An ejector in fluid communication with the bypass duct includes an ejector nozzle positioned and aimed to direct an ejector nozzle flow from inside the ejector nozzle across the cavity. The purge flow cavity may be bifurcated into forward and aft purge flow cavities which are in fluid communication with the ejector and inter-liner cavity respectively. An annular dividing wall having ejector metering apertures may be disposed between the forward purge flow cavity and an ejector plenum of the ejector. An annular trapped vortex cavity pilot may be located upstream of the annular gap. The aft purge flow cavity may be outwardly bounded by a seal having purge metering apertures disposed therethrough.
    • 燃气涡轮发动机增压器包括内衬腔,其包括分离增压器和排气管线的轴向延伸的环形间隙。 吹扫流动空腔与风扇旁路管道和空腔流体连通。 与旁路管道流体连通的喷射器包括喷射器喷嘴,喷射器喷嘴被定位并且旨在引导喷射器喷嘴从喷射器喷嘴内部流过空腔。 吹扫流动腔可以分叉成分别与喷射器和内衬空腔流体连通的向前和向后吹扫流动空腔。 具有喷射器计量孔的环形分隔壁可以设置在前吹扫流动空腔和喷射器的喷射器气室之间。 环形捕获涡流腔引导件可以位于环形间隙的上游。 后吹扫流动腔可以通过具有穿过其设置的清洗计量孔的密封件向外限定。
    • 8. 发明申请
    • EJECTOR PURGE OF CAVITY ADJACENT EXHAUST FLOWPATH
    • 排气孔排气流程
    • US20110315789A1
    • 2011-12-29
    • US12822519
    • 2010-06-24
    • Frank Gerald BachmanRandy Lee LewisRobert Steven BockwichShane Bunnag
    • Frank Gerald BachmanRandy Lee LewisRobert Steven BockwichShane Bunnag
    • B63H25/46
    • F23R3/18F02K1/822F23R3/06F23R2900/03044Y02T50/675
    • A gas turbine engine augmentor includes an inter-liner cavity including an axially extending annular gap separating augmentor and tailpipe liners. A purge flow cavity is in fluid communication with a fan bypass duct and with the cavity. An ejector in fluid communication with the bypass duct includes an ejector nozzle positioned and aimed to direct an ejector nozzle flow from inside the ejector nozzle across the cavity. The purge flow cavity may be bifurcated into forward and aft purge flow cavities which are in fluid communication with the ejector and inter-liner cavity respectively. An annular dividing wall having ejector metering apertures may be disposed between the forward purge flow cavity and an ejector plenum of the ejector. An annular trapped vortex cavity pilot may be located upstream of the annular gap. The aft purge flow cavity may be outwardly bounded by a seal having purge metering apertures disposed therethrough.
    • 燃气涡轮发动机增压器包括内衬腔,其包括分离增压器和排气管的轴向延伸的环形间隙。 吹扫流动空腔与风扇旁路管道和空腔流体连通。 与旁路管道流体连通的喷射器包括喷射器喷嘴,喷射器喷嘴被定位并且旨在引导喷射器喷嘴从喷射器喷嘴内部流过空腔。 吹扫流动腔可以分叉成分别与喷射器和内衬空腔流体连通的向前和向后吹扫流动空腔。 具有喷射器计量孔的环形分隔壁可以设置在前吹扫流动空腔和喷射器的喷射器气室之间。 环形捕获涡流腔引导件可以位于环形间隙的上游。 后吹扫流动腔可以通过具有穿过其设置的清洗计量孔的密封件向外限定。