A variable geometry structure
    11.
    发明公开
    A variable geometry structure 审中-公开
    Verstellbare Struktur

    公开(公告)号:EP2570640A2

    公开(公告)日:2013-03-20

    申请号:EP12181347.1

    申请日:2012-08-22

    申请人: Rolls-Royce plc

    发明人: Webster, John

    IPC分类号: F02K1/06 F02K1/15

    摘要: A variable geometry (2) structure comprising: an flexural element (4); a tensioning element (6) connected to the flexural element (8); and an actuator (12) for adjusting the tensioning element (6) to change the load placed on the flexural element (4), thereby changing the geometry of the structure (2).

    摘要翻译: 可变几何(2)结构,包括:弯曲元件(4); 连接到所述弯曲元件(8)的张紧元件(6); 以及用于调节张紧元件(6)以改变放置在弯曲元件(4)上的载荷的致动器(12),从而改变结构(2)的几何形状。

    Nozzle arrangement
    12.
    发明公开
    Nozzle arrangement 有权
    喷嘴组件

    公开(公告)号:EP1942268A3

    公开(公告)日:2012-11-28

    申请号:EP07254770.6

    申请日:2007-12-10

    申请人: Rolls-Royce plc

    IPC分类号: F02K3/06 F02K1/08

    CPC分类号: F02K1/085 F02K3/075

    摘要: Varying the fan nozzle flow area in a gas turbine engine 1 allows adjustment of the bypass flow for varying operational conditions such as cruise and take off. However, care must be taken with regard to variation in order not to introduce drag or operational susceptibility to failure. By provision of a deformable member having a contiguous surface 4, 14, 54 which is deformed laterally from a splitter such as a pylon 5, 15, 55 variation in flow area is achieved. A deformable member 4, 14, 54 will be secured through seals 18, 58 to ensure a smooth surface. Actuation may be through a shape memory alloy material or provision of mechanical actuators 10 to cause deformation of the contiguous surface 4, 14, 54.

    TEMPERATURE ACTIVATABLE ACTUATOR
    13.
    发明公开
    TEMPERATURE ACTIVATABLE ACTUATOR 有权
    温度可激活的执行器

    公开(公告)号:EP2443343A2

    公开(公告)日:2012-04-25

    申请号:EP10726017.6

    申请日:2010-05-24

    申请人: Rolls-Royce PLC

    IPC分类号: F03G7/06

    摘要: An actuator is provided having a temperature activatable actuating member comprising an inductively couplable material. The actuator has an electrical heating element for electrically heating the actuating member. The heating element is configured to inductively couple with said material when an AC current is passed through the heating element such that an opposing electromotive force is induced in the heating element. A detector is provided for detecting activation of the actuating member by sensing a change in the AC impedance of the heating element.

    摘要翻译: 提供了一种致动器,其具有包括可感应耦合材料的可激活温度的致动构件。 致动器具有用于电致加热致动构件的电加热元件。 加热元件被配置成当交流电流流过加热元件时与所述材料感应耦合,使得在加热元件中感应出相反的电动势。 检测器被提供用于通过感测加热元件的AC阻抗的变化来检测致动构件的激活。

    Variable area throat exhaust nozzle with vectorable sideways shifting of exhaust flow
    15.
    发明公开
    Variable area throat exhaust nozzle with vectorable sideways shifting of exhaust flow 有权
    SchubdüsemitveränderlichemQuerschnitt mit seitlich schwenkbarerAbgasströmungsführung

    公开(公告)号:EP1640590A2

    公开(公告)日:2006-03-29

    申请号:EP05255630.5

    申请日:2005-09-14

    IPC分类号: F02K1/08 F02K1/06 F02K1/00

    CPC分类号: F02K1/04 F02K1/006 F02K1/085

    摘要: A nozzle (12) includes a sideways split and aftwardly swept nozzle ramp (18) extends between a fixed lower nozzle wall (16) and a pivotal upper nozzle wall (14) pivotally connected to an aft end (104) of the nozzle (12) and operable to vary a throat area (A8) of a throat (28) of the nozzle (12). The upper and lower nozzle walls (14 and 16) and the ramp (18) extend transversely between first and second nozzle sidewalls (20 and 22). A sideways pivotable ramp structure (24) pivotally connected to the lower nozzle wall (16) and pivotable between the sidewalls (20 and 22) includes a longitudinally extending upper pivotable wall (34) spaced upwardly and aftwardly of a longitudinally extending lower pivotable wall (36) and an aftwardly swept pivotable ramp (38) extending between the upper and lower pivotable walls (34 and 36). Right hand and left hand upper ramp sections (96 and 98) of the nozzle ramp (18) may be connected to right hand and left hand upper nozzle wall sections (100 and 102) respectively of the upper nozzle wall (14) which are pivotally connected to right and left handed triangular side walls (158 and 159) of the aft end (104).

    摘要翻译: 喷嘴(12)包括侧向分开的和向后扫掠的喷嘴斜面(18),其在固定的下喷嘴壁(16)和可旋转地连接到喷嘴(12)的后端(104)的枢转上喷嘴壁(14)之间延伸 )并且可操作以改变喷嘴(12)的喉部(28)的喉部区域(A8)。 上和下喷嘴壁(14和16)和斜面(18)在第一和第二喷嘴侧壁(20和22)之间横向延伸。 枢转地连接到下喷嘴壁(16)并且可在侧壁(20和22)之间枢转的侧向枢转斜面结构(24)包括纵向延伸的上部可枢转壁(34),该上部可枢轴转动壁(34)在纵向延伸的下部可枢转壁 36)和在上部和下部可枢转壁(34和36)之间延伸的一个向后扫掠的可枢转斜面(38)。 喷嘴斜面(18)的右手和左上部上部斜面部分(96和98)可以分别连接到上部喷嘴壁(14)的右侧和右侧上部喷嘴壁部分(100和102) 连接到后端(104)的左右三角形侧壁(158和159)。

    A gas turbine engine exhaust nozzle
    16.
    发明公开
    A gas turbine engine exhaust nozzle 审中-公开
    燃气涡轮发动机排气喷嘴

    公开(公告)号:EP2730773A3

    公开(公告)日:2018-03-14

    申请号:EP13005257.4

    申请日:2013-11-07

    申请人: Rolls-Royce plc

    IPC分类号: F02K1/50 F02K1/12 F02K1/08

    CPC分类号: F02K1/1207 F02K1/085 F02K1/50

    摘要: An exhaust nozzle 234 comprising inner and outer walls defined by a turbine casing 233 and a nacelle 230 respectively. A duct in the form of a bypass duct 232 is defined therebetween through which a bypass flow B flows in use. The nacelle 230 comprises a fixed upstream wall section 240 and at least one radially movable downstream wall section 242. At least one closure element in the form of a first slat 248 is provided, which is locatable across the second outlet 246 extending in a generally axial direction. A downstream end 250 of the first slat 248 is radially moveable between an open position in which the second outlet 246 is open, and a closed position in which the second outlet 246 is closed.

    摘要翻译: 排气喷嘴234包括分别由涡轮机壳体233和机舱230限定的内壁和外壁。 旁路管道232形式的管道被限定在它们之间,旁路流B在使用中流过该管道。 机舱230包括固定的上游壁部分240和至少一个可径向移动的下游壁部分242.设置第一板条248形式的至少一个封闭元件,该第一板条可跨过第二出口246定位, 方向。 第一叶片248的下游端250可在第二出口246打开的打开位置和第二出口246关闭的关闭位置之间径向移动。

    A variable geometry structure
    17.
    发明公开
    A variable geometry structure 审中-公开
    可变的几何结构

    公开(公告)号:EP2570640A3

    公开(公告)日:2017-11-22

    申请号:EP12181347.1

    申请日:2012-08-22

    申请人: Rolls-Royce plc

    发明人: Webster, John

    摘要: A variable geometry (2) structure comprising: an flexural element (4); a tensioning element (6) connected to the flexural element (8); and an actuator (12) for adjusting the tensioning element (6) to change the load placed on the flexural element (4), thereby changing the geometry of the structure (2).

    摘要翻译: 一种可变几何形状(2)结构,包括:一个弯曲元件(4); 连接到弯曲元件(8)的张紧元件(6); 和用于调节张紧元件(6)以改变施加在弯曲元件(4)上的负载从而改变结构(2)的几何形状的致动器(12)。

    Gas turbine engine with variable area fan nozzle bladder system and method of varying such fan nozzle exit area
    20.
    发明公开
    Gas turbine engine with variable area fan nozzle bladder system and method of varying such fan nozzle exit area 有权
    由膀胱系统和改变这种Gebläseschubdüse的横截面的横截面的方法具有Gebläseschubdüse可变燃气涡轮发动机

    公开(公告)号:EP2093407A3

    公开(公告)日:2012-04-25

    申请号:EP09250406.7

    申请日:2009-02-16

    发明人: Stern, Alfred M.

    IPC分类号: F02K1/08 F02K1/00 F02K1/15

    摘要: A turbofan engine (10) includes a variable area fan nozzle (42) which effectively changes the physical area and geometry within a fan bypass flow path (40) to manipulate the pressure ratio of the bypass flow with a multitude of bladders (52A...52D) circumferentially located about a core cowl (12).
    A method of varying such a fan nozzle exit area with a bladder system is also disclosed.

    摘要翻译: 涡轮风扇发动机(10)包括一个可变截面风扇喷嘴(42),这有效地改变风扇旁通流路(40)内的物理面积和几何形状,以操纵所述旁通流的压力比与囊的多个(52A .. .52D)周向地位于围绕核心罩(12)。 因此改变求风扇喷嘴出口面积与膀胱系统的方法是游离缺失盘。