Systems and methods for reducing noise from jet engine exhaust
    1.
    发明授权
    Systems and methods for reducing noise from jet engine exhaust 有权
    降低喷气发动机排气噪音的系统和方法

    公开(公告)号:US08770921B2

    公开(公告)日:2014-07-08

    申请号:US12935450

    申请日:2009-03-31

    IPC分类号: F01D9/02

    CPC分类号: F02K1/34 F02K1/46 F05D2240/40

    摘要: An aircraft jet engine with a longitudinal axis, including a wall enclosing a gas flow ejected from a downstream end of the wall in the longitudinal axis, plural ducts being distributed around the periphery of the downstream end of the wall each including a terminal section, including an outlet opening. Each duct can eject a fluid jet through the outlet opening thereof. The ducts are configured to eject the fluid jets essentially parallel to each other, each fluid jet ejected through the corresponding outlet opening forming a lateral angle with the longitudinal axis in a projection view in a plane with the longitudinal axis.

    摘要翻译: 一种具有纵向轴线的飞机喷气发动机,包括围绕在纵向轴线上的壁的下游端喷出的气流的壁,多个管道围绕壁的下游端的周边分布,每个管道包括终端部分,包括 出口开口。 每个管道可以通过其出口开口喷射流体射流。 导管构造成喷射基本上彼此平行的流体射流,通过对应的出口开口喷射的每个流体射流在与纵向轴线的平面中的投影视图中与纵向轴线形成横向角度。

    DEVICE WITH PLANE JETS FOR REDUCING THE NOISE GENERATED BY A JET AIRCRAFT
    2.
    发明申请
    DEVICE WITH PLANE JETS FOR REDUCING THE NOISE GENERATED BY A JET AIRCRAFT 有权
    具有飞机喷气式飞机的装置,用于减少喷气式飞机产生的噪音

    公开(公告)号:US20100065680A1

    公开(公告)日:2010-03-18

    申请号:US12415353

    申请日:2009-03-31

    IPC分类号: F01D25/04 B64C1/40

    CPC分类号: F02K1/34 F02K1/46 F05D2240/40

    摘要: The invention relates to an aircraft engine having a longitudinal axis (XX′), comprising a wall (30) surrounding a gas stream that is ejected at a downstream end (30a) of the wall along the longitudinal axis, characterized in that a plurality of conduits (60, 62, 64, 66, 68, 70, 72, 74) distributed at the periphery of the downstream end of the wall are each capable of ejecting, via an outlet orifice (60c), a fluid jet (76) in the form of a sheet, in such a way that the jets thus ejected each form a fluid perturbation around the ejected gas stream.

    摘要翻译: 本发明涉及一种具有纵向轴线(XX')的飞行器发动机,其包括围绕沿着纵向轴线在壁的下游端(30a)处喷射的气流的壁(30),其特征在于,多个 分布在壁的下游端的周边处的导管(60,62,64,66,68,70,72,74)各自能够经由出口孔(60c)喷射流体射流(76) 片状的形式,使得这样喷射的射流在喷出的气流周围形成流体扰动。

    DEVICE WITH SECONDARY JETS REDUCING THE NOISE GENERATED BY AN AIRCRAFT JET ENGINE
    3.
    发明申请
    DEVICE WITH SECONDARY JETS REDUCING THE NOISE GENERATED BY AN AIRCRAFT JET ENGINE 有权
    具有次级喷气机的设备减少飞机喷气发动机产生的噪音

    公开(公告)号:US20110030341A1

    公开(公告)日:2011-02-10

    申请号:US12935445

    申请日:2009-03-31

    IPC分类号: F02K1/34

    摘要: An aircraft jet engine including a wall centered about a longitudinal axis and surrounding a stream of gas ejected at a downstream end of the wall in the direction of the axis, primary ducts distributed at the periphery of the downstream end of the wall configured on command each to eject a jet of primary fluid to interact with the ejected stream of gas, the primary ducts of each pair converging towards one another near the downstream end of the wall so that the primary jets ejected form two sides of a triangle that meet at the vertex thereof in a view projected onto a plane perpendicular to a transverse plane, and secondary ducts each associated with each pair of primary ducts and configured on command to eject a jet of secondary fluid directed into the triangle formed by the primary jets.

    摘要翻译: 一种飞机喷气式发动机,其包括围绕纵向轴线居中并围绕沿着轴线方向在壁的下游端喷射的气体流的壁,分配在壁的下游端的周边的主要管道,其分配在每个 喷射主流体的喷射流与喷射的气流相互作用,每对的主要管道在壁的下游端彼此会聚,使得主喷嘴从三角形的两侧喷射,该三角形在顶点处相遇 它们在投影到垂直于横向平面的平面上的视图中,以及每个与每对主要管道相关联的辅助管道,并且根据命令配置以喷射引导到由主喷嘴形成的三角形形成的三角形的二次流体的射流。

    Device with secondary jets reducing the noise generated by an aircraft jet engine
    5.
    发明授权
    Device with secondary jets reducing the noise generated by an aircraft jet engine 有权
    具有次级喷气机的装置降低飞机喷气发动机产生的噪音

    公开(公告)号:US08393139B2

    公开(公告)日:2013-03-12

    申请号:US12935445

    申请日:2009-03-31

    IPC分类号: F02K3/04

    摘要: An aircraft jet engine including a wall centered about a longitudinal axis and surrounding a stream of gas ejected at a downstream end of the wall in the direction of the axis, primary ducts distributed at the periphery of the downstream end of the wall configured on command each to eject a jet of primary fluid to interact with the ejected stream of gas, the primary ducts of each pair converging towards one another near the downstream end of the wall so that the primary jets ejected form two sides of a triangle that meet at the vertex thereof in a view projected onto a plane perpendicular to a transverse plane, and secondary ducts each associated with each pair of primary ducts and configured on command to eject a jet of secondary fluid directed into the triangle formed by the primary jets.

    摘要翻译: 一种飞机喷气式发动机,其包括围绕纵向轴线居中并围绕沿着轴线方向在壁的下游端喷射的气体流的壁,分配在壁的下游端的周边的主要管道,其分配在每个 喷射主流体的喷射流与喷射的气流相互作用,每对的主要管道在壁的下游端彼此会聚,使得主喷嘴从三角形的两侧喷射,该三角形在顶点处相遇 它们在投影到垂直于横向平面的平面上的视图中,以及每个与每对主要管道相关联的辅助管道,并且根据命令配置以喷射引导到由主喷嘴形成的三角形形成的三角形的二次流体的射流。

    DEVICE FOR REDUCING NOISE GENERATED BY AN AIRCRAFT JET ENGINE WITH CURVE DUCTS
    6.
    发明申请
    DEVICE FOR REDUCING NOISE GENERATED BY AN AIRCRAFT JET ENGINE WITH CURVE DUCTS 有权
    用于降低飞机喷气发动机产生的噪音的装置

    公开(公告)号:US20110042162A1

    公开(公告)日:2011-02-24

    申请号:US12935423

    申请日:2009-03-31

    IPC分类号: F01N1/14

    CPC分类号: F02K1/46 F02K1/34 F05D2240/40

    摘要: A jet engine, including a wall surrounding a first gas flow ejected from a downstream end of the wall along a longitudinal axis, a second flow of gas running outside the wall in a direction of ejection of the first gas flow, at least one duct arranged on the periphery of the downstream end of the wall which is desired to eject a gas flow for interacting with one and/or the other gas flow, the at least one duct including a terminal section provided at the free end thereof with an outlet opening through which the fluid is ejected. The terminal section successively includes a first section of straight duct aligned along a median axis and a second duct section forming a bend relative to the straight section, the second portion having a free end provided with the outlet opening and sufficiently close to the median axis of the first section to give the terminal section a reduced restriction in a direction of formation of the bend.

    摘要翻译: 一种喷气发动机,包括围绕沿着纵向轴线从壁的下游端喷出的第一气流的壁,在第一气流的喷射方向上在壁外延伸的第二气体流,至少一个管道,其布置 在壁的下游端的周边上,其期望喷射与一个和/或另一个气流相互作用的气流,所述至少一个管道包括在其自由端设置有出口开口的端子部分 流体被喷射。 端子部分依次包括沿着中间轴对准的直管道的第一部分和相对于直线部分形成弯曲部的第二管道部分,第二部分具有设置有出口开口的自由端,并且足够接近中心轴 使端子部分在形成弯曲方向上的限制减小的第一部分。

    SYSTEMS AND METHODS FOR REDUCING NOISE FROM JET ENGINE EXHAUST
    7.
    发明申请
    SYSTEMS AND METHODS FOR REDUCING NOISE FROM JET ENGINE EXHAUST 有权
    用于减少喷气发动机排气噪声的系统和方法

    公开(公告)号:US20110027070A1

    公开(公告)日:2011-02-03

    申请号:US12935450

    申请日:2009-03-31

    IPC分类号: F04D29/66

    CPC分类号: F02K1/34 F02K1/46 F05D2240/40

    摘要: An aircraft jet engine with a longitudinal axis, including a wall enclosing a gas flow ejected from a downstream end of the wall in the longitudinal axis, plural ducts being distributed around the periphery of the downstream end of the wall each including a terminal section, including an outlet opening. Each duct can eject a fluid jet through the outlet opening thereof. The ducts are configured to eject the fluid jets essentially parallel to each other, each fluid jet ejected through the corresponding outlet opening forming a lateral angle with the longitudinal axis in a projection view in a plane with the longitudinal axis.

    摘要翻译: 一种具有纵向轴线的飞机喷气发动机,包括围绕在纵向轴线上的壁的下游端喷出的气流的壁,多个管道围绕壁的下游端的周边分布,每个管道包括终端部分,包括 出口开口。 每个管道可以通过其出口开口喷射流体射流。 导管构造成喷射基本上彼此平行的流体射流,通过对应的出口开口喷射的每个流体射流在与纵向轴线的平面中的投影视图中与纵向轴线形成横向角度。

    Device for reducing noise generated by an aircraft jet engine with curve ducts
    8.
    发明授权
    Device for reducing noise generated by an aircraft jet engine with curve ducts 有权
    用于减少具有曲线导管的飞机喷气发动机产生的噪音的装置

    公开(公告)号:US08157050B2

    公开(公告)日:2012-04-17

    申请号:US12935423

    申请日:2009-03-31

    IPC分类号: F01K1/14

    CPC分类号: F02K1/46 F02K1/34 F05D2240/40

    摘要: A jet engine, including a wall surrounding a first gas flow ejected from a downstream end of the wall along a longitudinal axis, a second flow of gas running outside the wall in a direction of ejection of the first gas flow, at least one duct arranged on the periphery of the downstream end of the wall which is desired to eject a gas flow for interacting with one and/or the other gas flow, the at least one duct including a terminal section provided at the free end thereof with an outlet opening through which the fluid is ejected. The terminal section successively includes a first section of straight duct aligned along a median axis and a second duct section forming a bend relative to the straight section, the second portion having a free end provided with the outlet opening and sufficiently close to the median axis of the first section to give the terminal section a reduced restriction in a direction of formation of the bend.

    摘要翻译: 一种喷气发动机,包括围绕沿着纵向轴线从壁的下游端喷出的第一气流的壁,在第一气流的喷射方向上在壁外延伸的第二气体流,至少一个管道,其布置 在壁的下游端的周边上,其期望喷射与一个和/或另一个气流相互作用的气流,所述至少一个管道包括在其自由端设置有出口开口的端子部分 流体被喷射。 端子部分依次包括沿着中间轴对准的直管道的第一部分和相对于直线部分形成弯曲部的第二管道部分,第二部分具有设置有出口开口的自由端,并且足够接近中心轴 使端子部分在形成弯曲方向上的限制减小的第一部分。

    Aircraft jet engine provided with a device for reducing propulsion jet noise
    9.
    发明授权
    Aircraft jet engine provided with a device for reducing propulsion jet noise 有权
    飞机喷气发动机配备有减少推进射流噪声的装置

    公开(公告)号:US08020368B2

    公开(公告)日:2011-09-20

    申请号:US11649721

    申请日:2007-01-04

    IPC分类号: F02K1/38

    CPC分类号: F02K1/46 F02K1/34 Y02T50/671

    摘要: A nozzle allowing the reduction of noise generated by aircraft jet engines having at least one output ring which disturbs the propulsion jet, and having at least one pair of conduits from which the propulsion of jet air is ejected at the output of the nozzle. The conduits of each pair are disposed convergent with respect to each other in order to generate a triangle of interaction of the air jets at the output ring.

    摘要翻译: 喷嘴允许降低由具有干扰推进射流的至少一个输出环产生的飞机喷气发动机产生的噪声,并且具有至少一对导管,喷射空气的推进从喷嘴的喷射出口喷射出。 每对的管道相对于彼此收敛,以便在输出环上产生空气射流的相互作用的三角形。

    Aircraft jet engine provided with a device for reducing propulsion jet noise
    10.
    发明申请
    Aircraft jet engine provided with a device for reducing propulsion jet noise 有权
    飞机喷气发动机配备有减少推进射流噪声的装置

    公开(公告)号:US20100251724A1

    公开(公告)日:2010-10-07

    申请号:US11649721

    申请日:2007-01-04

    IPC分类号: F02K1/40

    CPC分类号: F02K1/46 F02K1/34 Y02T50/671

    摘要: A nozzle allowing the reduction of noise generated by aircraft jet engines having at least one output ring which disturbs the propulsion jet, and having at least one pair of conduits from which the propulsion of jet air is ejected at the output of the nozzle. The conduits of each pair are disposed convergent with respect to each other in order to generate a triangle of interaction of the air jets at the output ring.

    摘要翻译: 喷嘴允许降低由具有干扰推进射流的至少一个输出环产生的飞机喷气发动机产生的噪声,并且具有至少一对导管,喷射空气的推进从喷嘴的喷射出口喷射出。 每对的管道相对于彼此收敛,以便在输出环上产生空气射流的相互作用的三角形。