Integrated deflagration-to-detonation obstacles and cooling fluid flow
    3.
    发明授权
    Integrated deflagration-to-detonation obstacles and cooling fluid flow 有权
    集成爆燃至爆震障碍物和冷却液流

    公开(公告)号:US08539752B2

    公开(公告)日:2013-09-24

    申请号:US12957047

    申请日:2010-11-30

    CPC classification number: F23R7/00

    Abstract: A detonation chamber and a pulse detonation combustor including a detonation chamber, wherein the detonation chamber includes a plurality of initiation obstacles and at least one injector in fluid flow communication with each of the plurality of initiation obstacles. The plurality of initiation obstacles are disposed on at least a portion of an inner surface of the detonation chamber with each of the plurality of initiation obstacles defining a low pressure region at a trailing edge. The plurality of initiation obstacles are configured to enhance a turbulence of a fluid flow and flame acceleration through the detonation chamber. The at least one injector in provides a cooling fluid flow to each of the plurality of initiation obstacles, wherein the cooling fluid flow is one of a fuel, a combination of fuels, air, or a fuel/air mixture.

    Abstract translation: 爆震室和包括爆震室的脉冲爆炸燃烧室,其中所述爆轰室包括多个起爆障碍物和至少一个与所述多个引发障碍物中的每一个流体流动连通的喷射器。 多个起始障碍物设置在爆震室的内表面的至少一部分上,多个起始障碍物中的每一个在后缘限定低压区域。 多个起始障碍物构造成增强流体流动的紊流和通过爆轰室的火焰加速。 至少一个喷射器提供冷却流体流向多个起始障碍物中的每一个,其中冷却流体流是燃料,燃料,空气或燃料/空气混合物的组合之一。

    PULSE DETONATION COMBUSTOR
    4.
    发明申请
    PULSE DETONATION COMBUSTOR 有权
    脉冲爆炸燃烧器

    公开(公告)号:US20120122039A1

    公开(公告)日:2012-05-17

    申请号:US12948181

    申请日:2010-11-17

    CPC classification number: F23R7/00 F02C5/02 F05D2260/16 F23D2211/00

    Abstract: A pulse detonation combustor including a plurality of nozzles engaged with one another via mating surfaces to support a gas discharge annulus in a circumferential direction. The pulse detonation combustor also including multiple pulse detonation tubes extending for the nozzles and a plurality of thermal expansion control joints coupled to the plurality of pulse detonation tubes. Each of the plurality of thermal expansion control joints is configured to facilitate independent thermal growth of each of the plurality of pulse detonation tubes. The thermal expansion control joints may be configured as a bellows expansion joint or a sliding expansion joint.

    Abstract translation: 一种脉冲爆震燃烧器,包括通过配合表面彼此接合的多个喷嘴,以在圆周方向上支撑排气环。 脉冲爆震燃烧器还包括为喷嘴延伸的多个脉冲爆管和连接到多个脉冲爆管的多个热膨胀控制接头。 多个热膨胀控制接头中的每一个构造成促进多个脉冲爆管中的每一个独立的热生长。 热膨胀控制接头可以构造为波纹管膨胀接头或滑动膨胀接头。

    Side-Initiated Augmentor for Engine Applications
    5.
    发明申请
    Side-Initiated Augmentor for Engine Applications 有权
    发动机应用的侧启动增量器

    公开(公告)号:US20120102961A1

    公开(公告)日:2012-05-03

    申请号:US12914776

    申请日:2010-10-28

    CPC classification number: F02K3/10 F23R3/20

    Abstract: A gas turbine engine augmentor includes at least one fluid based augmentor initiator defining a chamber in flow communication with a source of air and a source of fuel. The chamber includes a plurality of ejection openings in flow communication with an exhaust flowpath. The at least one fluid based augmentor initiator is devoid of any exhaust flowpath protrusions thereby minimizing any pressure drops and loss of thrust during dry work phase of operation. The source of fuel is operable for injecting fuel into the chamber such that at least a portion of the fuel flow is ignited at the plurality of ejection openings to produce a plurality of fuel-rich hot jets radially into the exhaust flowpath.

    Abstract translation: 燃气涡轮发动机增压器包括至少一个基于流体的增压器起动器,其限定与空气源和燃料源流动连通的室。 该腔室包括与排气流路流动连通的多个喷射口。 所述至少一个基于流体的增压器引发器没有任何排气流路突起,从而使在操作的干燥工作阶段期间的任何压力下降和推力损失最小化。 燃料源可操作以将燃料喷射到室中,使得燃料流的至少一部分在多个喷射口处被点燃以产生多个富燃料的热喷射流体径向地进入排气流路。

    Methods and apparatus for controlling air flow within a pulse detonation engine
    6.
    发明授权
    Methods and apparatus for controlling air flow within a pulse detonation engine 有权
    用于控制脉冲爆震发动机内气流的方法和装置

    公开(公告)号:US07980056B2

    公开(公告)日:2011-07-19

    申请号:US11348869

    申请日:2006-02-07

    CPC classification number: F02C5/02 F02C5/11

    Abstract: A flow control device for use with a pulse detonation chamber including an inlet coupled in flow communication with a source of compressed air. The inlet extends at least partially into the chamber to facilitate controlling air flow into the chamber. The device also includes a body portion extending downstream from and circumferentially around the inlet, wherein the body portion is positioned in flow communication with the inlet.

    Abstract translation: 一种用于脉冲爆震室的流量控制装置,包括与压缩空气源流动连通的入口。 入口至少部分地延伸到室中以便于控制进入室的空气流。 该装置还包括从入口的下游和周向延伸的主体部分,其中主体部分定位成与入口流动连通。

    PULSE DETONATION SYSTEM WITH FUEL LEAN INLET REGION
    7.
    发明申请
    PULSE DETONATION SYSTEM WITH FUEL LEAN INLET REGION 审中-公开
    具有燃油入口区域的脉冲爆震系统

    公开(公告)号:US20110146285A1

    公开(公告)日:2011-06-23

    申请号:US12641013

    申请日:2009-12-17

    CPC classification number: F02K7/02 F02C5/12 F02K7/06 Y02T50/671

    Abstract: In one embodiment, a pulse detonation system includes a pulse detonation tube and an air valve disposed at an upstream end of the pulse detonation tube. The air valve is configured to provide an air flow into the pulse detonation tube. The pulse detonation system also includes a fuel injector configured to inject fuel into the air flow to establish a fuel-air mixture configured to support detonation, and to establish a region in the fuel-air mixture having a fuel to air ratio insufficient to support a detonation wave. The pulse detonation system further includes an ignition source configured to detonate the fuel-air mixture when the region is disposed adjacent to the air valve.

    Abstract translation: 在一个实施例中,脉冲爆震系统包括设置在脉冲爆管的上游端的脉冲爆管和空气阀。 空气阀构造成将空气流提供到脉冲爆管中。 脉冲爆震系统还包括燃料喷射器,燃料喷射器构造成将燃料喷射到空气流中以建立配置成支持爆炸的燃料 - 空气混合物,并且建立燃料 - 空气混合物中具有不足以支持燃料 - 空气混合物的区域 爆震波。 脉冲爆震系统还包括点火源,其构造成当该区域邻近空气阀设置时引爆燃料 - 空气混合物。

    PULSE DETONATION INLET MANAGEMENT SYSTEM
    8.
    发明申请
    PULSE DETONATION INLET MANAGEMENT SYSTEM 审中-公开
    脉冲爆炸入口管理系统

    公开(公告)号:US20110047961A1

    公开(公告)日:2011-03-03

    申请号:US12549920

    申请日:2009-08-28

    CPC classification number: F02C5/12 F02K7/06 F23R7/00 Y02T50/671

    Abstract: A pulse detonation combustor valve assembly is provided that includes a fixed valve portion having an inlet and a reciprocating valve portion. The valve assembly is coupled to a pulse detonation combustor. The reciprocating valve portion is exterior to the fixed valve portion and coaxially aligned with the fixed valve portion. The reciprocating valve portion is arranged to reciprocate with respect to the fixed valve portion to control inlet flow through the inlet of the valve assembly.

    Abstract translation: 提供一种脉冲爆震燃烧器阀组件,其包括具有入口和往复阀部分的固定阀部分。 阀组件连接到脉冲爆震燃烧器。 往复阀部分在固定阀部分的外部并与固定阀部分同轴对齐。 往复阀部分布置成相对于固定阀部分往复运动,以控制通过阀组件入口的入口流。

    Methods and apparatus for operating a pulse detonation engine
    9.
    发明授权
    Methods and apparatus for operating a pulse detonation engine 有权
    用于操作脉冲爆震发动机的方法和装置

    公开(公告)号:US07836682B2

    公开(公告)日:2010-11-23

    申请号:US11352773

    申请日:2006-02-13

    CPC classification number: F23R7/00

    Abstract: A method for operating a pulse detonation engine, wherein the method includes channeling air flow from a pulse detonation combustor into a flow mixer having an inlet portion, an outlet portion, and a body portion extending therebetween. The method also includes channeling ambient air past the flow mixer and mixing the air flow discharged from the pulse detonation combustor with the ambient air flow such that a combined flow is generated from the flow mixer that has less flow variations than the air flow discharged from the pulse detonation combustor.

    Abstract translation: 一种用于操作脉冲爆震引擎的方法,其中所述方法包括将来自脉冲爆震燃烧器的空气流引导到具有入口部分,出口部分和在其间延伸的主体部分的流动混合器。 该方法还包括将环境空气引导通过流动混合器并将从脉冲爆震燃烧器排放的空气流与环境空气流混合,使得从流动混合器产生的组合流量具有比从 脉冲爆震燃烧器。

    ROTARY AIR VALVE FIRING PATTERNS FOR RESONANCE DETUNING
    10.
    发明申请
    ROTARY AIR VALVE FIRING PATTERNS FOR RESONANCE DETUNING 有权
    旋转空气阀用于谐振消除的燃烧模式

    公开(公告)号:US20100236214A1

    公开(公告)日:2010-09-23

    申请号:US12407309

    申请日:2009-03-19

    CPC classification number: F23R7/00 F23R2900/00013

    Abstract: An engine contains a compressor stage, a plurality of pulse detonation combustors and a rotary inlet valve structure having a plurality of inlet ports through which at least air flows to enter the pulse detonation combustors during operation of the engine. Downstream of the pulse detonation combustors is a turbine stage. Further, the ratio of the pulse detonation combustors to the inlet ports is a non-integer.

    Abstract translation: 发动机包括压缩机级,多个脉冲爆震燃烧器和具有多个入口的旋转入口阀结构,所述多个入口端口在发动机操作期间至少经过空气流动以进入脉冲爆震燃烧器。 脉冲爆震燃烧器的下游是涡轮级。 此外,脉冲爆震燃烧器与入口端口的比率是非整数。

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