Reinforcing structure for engine nacelle acoustic panel
    2.
    发明授权
    Reinforcing structure for engine nacelle acoustic panel 失效
    发动机舱声学板的增强结构

    公开(公告)号:US5975237A

    公开(公告)日:1999-11-02

    申请号:US26189

    申请日:1998-02-19

    摘要: An improved acoustic panel (26) for the nacelle (20) of a high bypass jet engine. The acoustic panel (26) has a perforated composite inner sheet (54), an outer composite sheet (96, 98), and a new reinforcement structure, or pre-cured doubler (62) therein. The pre-cured doubler (62) is arranged to receive a load applied to the acoustic panel (26), and includes a face sheet (64) connected to a structural attachment area (52) of the perforated composite inner sheet (54). A structurally-reinforced core (63) is connected the face sheet (64). Preferably, the width of the face sheet (64) in an air flow direction of the acoustic panel (26) is substantially equal to the width of the structurally reinforced core (63) in the air flow direction. The pre-cured doubler (62) provides increase acoustic area in parts of the acoustic panel adjacent to attachment fittings (46). Expanded epoxy (87a) is also used to reinforce side edges and selected areas of the acoustic core (60) for the acoustic panel (26).

    摘要翻译: 用于高旁路喷气发动机的机舱(20)的改进的隔音板(26)。 声学板(26)具有穿孔复合内片(54),外复合片(96,98)和新增强结构,或预固化倍增器(62)。 预固化倍增器(62)被布置成接收施加到声学面板(26)的负载,并且包括连接到穿孔复合内片(54)的结构附接区域(52)的面板(64)。 结构增强的芯(63)连接在面板(64)上。 优选地,面板(64)在声学板(26)的空气流动方向上的宽度基本上等于在空气流动方向上的结构增强芯部(63)的宽度。 预固化倍增器(62)在邻近附件配件(46)的声学板的部分中提供增加的声学面积。 扩展环氧树脂(87a)还用于加强用于声学板(26)的声芯(60)的侧边缘和选定区域。

    Thrust Reversers Including Monolithic Components
    3.
    发明申请
    Thrust Reversers Including Monolithic Components 审中-公开
    包括单片组件的推力逆变器

    公开(公告)号:US20110101158A1

    公开(公告)日:2011-05-05

    申请号:US11773488

    申请日:2007-07-05

    IPC分类号: F02K1/64

    摘要: Aircraft systems including thrust reversers with monolithic components are described herein. An aircraft system in accordance with one embodiment includes a thrust reverser having a fan duct inner wall section, a fan duct outer wall section radially outward of the fan duct inner wall section, and a connecting wall section extending between the fan duct inner wall section and the fan duct outer wall section. The fan duct inner wall section, the fan duct outer wall section, and the connecting wall section form a monolithic member.

    摘要翻译: 这里描述了包括具有整体部件的推力反向器的飞行器系统。 根据一个实施例的飞机系统包括具有风扇管道内壁部分的风扇导管外壁部分和风扇管道内壁部分径向外侧的风扇管道外壁部分的推力反向器,以及在风扇管道内壁部分和 风扇管道外壁部分。 风扇管道内壁部分,风扇管道外壁部分和连接壁部分形成整体部件。

    Enhanced pinmat for manufacturing high-strength perforated laminate sheets
    4.
    发明授权
    Enhanced pinmat for manufacturing high-strength perforated laminate sheets 有权
    用于制造高强度穿孔层压片的增强针脚

    公开(公告)号:US07261026B2

    公开(公告)日:2007-08-28

    申请号:US10904012

    申请日:2004-10-19

    IPC分类号: B26F1/24

    摘要: A pinmat (12) for perforating a composite laminate sheet (20). The pinmat (12) includes a mat portion (22) and a series of pins (24) extending from the mat portion (22). Each pin (24) has a shank portion (30) extending from the mat portion (22) and a tip portion (32) extending from the shank portion (30). The tip portion (32)includes a base portion (34) extending from the shank portion (30), an accelerating portion (36) extending from the base portion (34), and a piercing portion (38) extending from the accelerating portion (36). The piercing portion (38) is utilized for penetrating the composite laminate sheet (20) within a substantially low range of applied pressure for forming a hole within the composite laminate sheet (20). Moreover, the accelerating portion (36) is utilized for penetrating the composite laminate sheet (20) at a substantially high speed for forcing the base portion (34) into the composite laminate sheet (20) within the substantially low range of applied pressure. The base portion (34) enlarges the hole formed by the piercing portion (38).

    摘要翻译: 一种用于穿孔复合层压板(20)的针脚(12)。 针脚(12)包括垫部(22)和从垫部(22)延伸的一系列销(24)。 每个销(24)具有从垫部分(22)延伸的柄部分(30)和从柄部分(30)延伸的尖端部分(32)。 所述前端部(32)包括从所述柄部(30)延伸的基部(34),从所述基部(34)延伸的加速部(36),以及从所述加速部延伸的刺穿部(38) 36)。 刺穿部分(38)用于在基本上低的施加压力范围内穿透复合层压片(20),以在复合层压板(20)内形成孔。 此外,加速部分(36)用于以基本上高的速度穿透复合层压片(20),以在基本上低的施加压力范围内迫使基部(34)进入复合层压片(20)。 基部(34)扩大由穿刺部(38)形成的孔。

    Method for forming a composite acoustic panel
    5.
    发明授权
    Method for forming a composite acoustic panel 失效
    用于形成复合隔音板的方法

    公开(公告)号:US06179943B2

    公开(公告)日:2001-01-30

    申请号:US09018413

    申请日:1998-02-04

    IPC分类号: B29C6106

    摘要: A method of forming a composite acoustic panel (26). The method begins by arranging a perforated sheet (54) on a convex lay-up mandrel (70), arranging a core material (62, 74) on the perforated sheet (54), and curing the perforated sheet (54) and the core material (62, 74) to form a composite acoustic core (60) having a lay-up mandrel side and an opposite upper side. Composite sheets (96, 98) are then arranged on a concave lay-up mandrel. The composite acoustic core (60) is arranged on the composite sheets (96, 98) with the opposite upper side of the acoustic core (60) against the composite sheets (96, 98). The composite acoustic core (60) and the composite sheets (96, 98) are then cured so as to form the acoustic panel (26). A sacrificial sheet (76) can be added to upper side of the core material (62, 74) prior to curing the perforated sheet (54) and the core material (62, 74). The sacrificial sheet (76) preferably has a low coefficient of thermal expansion. The sacrificial sheet (76) is machined off as the upper side of the core material (62, 74) is shaped. The use of the sacrificial sheet (76) permits the acoustic core (60) to maintain its shape during curing without warpage from residual thermal stresses (R). The perforated sheet (50) thus maintains a contour that is substantially matched to the outer surface of the convex lay-up mandrel (70).

    摘要翻译: 一种形成复合隔音板(26)的方法。 该方法开始于将多孔板(54)布置在凸形层叠心轴(70)上,在多孔板(54)上布置芯材(62,74),并固化穿孔板(54)和芯 材料(62,74),以形成具有堆叠心轴侧和相对上侧的复合声芯(60)。 然后将复合片(96,98)布置在凹积层心轴上。 复合声芯(60)被布置在复合片(96,98)上,声芯(60)的相对上侧抵靠复合片(96,98)。 然后将复合声芯(60)和复合片(96,98)固化,以形成声板(26)。 在固化多孔板(54)和芯材(62,74)之前,牺牲片(76)可以添加到芯材(62,74)的上侧。 牺牲片(76)优选具有低的热膨胀系数。 当芯材(62,74)的上侧被成形时,牺牲片(76)被加工。 牺牲片(76)的使用允许声芯(60)在固化期间保持其形状,而不会与残余热应力(R)翘曲。 穿孔板(50)因此保持与凸形叠层心轴(70)的外表面基本匹配的轮廓。

    Integral composite slider for aircrafts
    8.
    发明授权
    Integral composite slider for aircrafts 有权
    飞机的整体复合滑块

    公开(公告)号:US08172176B2

    公开(公告)日:2012-05-08

    申请号:US12365620

    申请日:2009-02-04

    IPC分类号: B64C25/68

    摘要: A slider apparatus integral with a slidable member and a method for integrating the slider apparatus with the slidable member. The slider apparatus integrated with the slidable member may be configured to slidably couple with and be structurally supported by a fixed structure. The slider apparatus may comprise a primary slider component made of composite material and at least one chamfered element bonded to the primary slider component. The slidable member may comprise the slider apparatus, a core assembly, a plurality of composite material plies wrapped around the slider apparatus and core assembly and cured therewith, and at least one low-friction slider shoe removably attached to the primary slider component outward of the plurality of composite material plies.

    摘要翻译: 与滑动构件一体的滑动装置和将滑块装置与滑动构件一体化的方法。 与可滑动构件一体化的滑动装置可以构造成与固定结构可滑动地联接并由结构上支撑。 滑动装置可以包括由复合材料制成的主滑块部件和结合到主滑块部件的至少一个倒角元件。 可滑动构件可以包括滑动装置,芯组件,围绕滑块装置和芯组件缠绕的多个复合材料层,并且与其固化,以及至少一个低摩擦滑块,鞋可移除地附接到主滑动器组件 多个复合材料层。

    INTEGRAL COMPOSITE SLIDER FOR AIRCRAFTS
    10.
    发明申请
    INTEGRAL COMPOSITE SLIDER FOR AIRCRAFTS 有权
    用于航空器的整体复合滑块

    公开(公告)号:US20100193632A1

    公开(公告)日:2010-08-05

    申请号:US12365620

    申请日:2009-02-04

    IPC分类号: F02K1/54 F02K1/12

    摘要: A slider apparatus integral with a slidable member and a method for integrating the slider apparatus with the slidable member. The slider apparatus integrated with the slidable member may be configured to slidably couple with and be structurally supported by a fixed structure. The slider apparatus may comprise a primary slider component made of composite material and at least one chamfered element bonded to the primary slider component. The slidable member may comprise the slider apparatus, a core assembly, a plurality of composite material plies wrapped around the slider apparatus and core assembly and cured therewith, and at least one low-friction slider shoe removably attached to the primary slider component outward of the plurality of composite material plies.

    摘要翻译: 与滑动构件一体的滑动装置和将滑块装置与滑动构件一体化的方法。 与可滑动构件一体化的滑动装置可以构造成与固定结构可滑动地联接并由结构上支撑。 滑动装置可以包括由复合材料制成的主滑块部件和结合到主滑块部件的至少一个倒角元件。 可滑动构件可以包括滑动装置,芯组件,围绕滑块装置和芯组件缠绕的多个复合材料层,并且与其固化,以及至少一个低摩擦滑块,鞋可移除地附接到主滑动器组件 多个复合材料层。