Temperature adaptive fluid damping system
    1.
    发明授权
    Temperature adaptive fluid damping system 有权
    温度自适应流体阻尼系统

    公开(公告)号:US09188190B2

    公开(公告)日:2015-11-17

    申请号:US13697029

    申请日:2011-02-24

    摘要: A temperature adaptive fluid damping system is provided. One embodiment of the temperature adaptive fluid damping system comprises two fluid chambers, a piston in fluid communication with the fluid chambers, and a fluid path between the fluid chambers. An elastomeric retaining element adjacent to the fluid path is constrained to deform substantially perpendicular to the fluid path, so that the retaining element is operable to vary the cross-sectional area of the fluid path inversely to a change in temperature.

    摘要翻译: 提供了温度自适应流体阻尼系统。 温度自适应流体阻尼系统的一个实施例包括两个流体室,与流体室流体连通的活塞,以及流体室之间的流体路径。 与流体路径相邻的弹性体保持元件被限制为基本上垂直于流体路径变形,使得保持元件可操作以相对于温度变化来改变流体路径的横截面面积。

    Dual frequency damper for an aircraft
    2.
    发明授权
    Dual frequency damper for an aircraft 有权
    用于飞机的双频阻尼器

    公开(公告)号:US08622375B2

    公开(公告)日:2014-01-07

    申请号:US13421991

    申请日:2012-03-16

    IPC分类号: F16F9/10

    CPC分类号: B64C27/51

    摘要: A dual frequency damper includes a liquid inertia vibration eliminator (LIVE) portion and a fluid damper portion. LIVE portion and fluid damper portion operate in series and function so that dual frequency damper is optimized in both stiffness and damping at multiple frequencies. LIVE portion acts as a frequency dependent switch to selectively cause low frequency oscillatory forces to be treated primarily by the high spring rate and high damping rate characteristics of the fluid damper portion, and also to select high frequency oscillatory forces to be primarily treated by the low spring rate and low damping rate characteristics of the LIVE unit portion.

    摘要翻译: 双频阻尼器包括液体惯性减振器(LIVE)部分和流体阻尼器部分。 LIVE部分和流体阻尼器部分串联操作并且起作用,使得双频阻尼器在多个频率下的刚度和阻尼都被优化。 LIVE部分用作频率相关开关,以选择性地引起低频振荡力主要由流体阻尼器部分的高弹簧速率和高阻尼率特性来处理,并且还选择要被主要处理的低频振荡力 LIVE单元部分的弹簧刚度和低阻尼率特性。

    Dual Frequency Damper for an Aircraft
    3.
    发明申请
    Dual Frequency Damper for an Aircraft 有权
    飞机双频阻尼器

    公开(公告)号:US20130241124A1

    公开(公告)日:2013-09-19

    申请号:US13421991

    申请日:2012-03-16

    IPC分类号: B64C27/51 F16F13/08

    CPC分类号: B64C27/51

    摘要: A dual frequency damper includes a liquid inertia vibration eliminator (LIVE) portion and a fluid damper portion. LIVE portion and fluid damper portion operate in series and function so that dual frequency damper is optimized in both stiffness and damping at multiple frequencies. LIVE portion acts as a frequency dependent switch to selectively cause low frequency oscillatory forces to be treated primarily by the high spring rate and high damping rate characteristics of the fluid damper portion, and also to select high frequency oscillatory forces to be primarily treated by the low spring rate and low damping rate characteristics of the LIVE unit portion.

    摘要翻译: 双频阻尼器包括液体惯性减振器(LIVE)部分和流体阻尼器部分。 LIVE部分和流体阻尼器部分串联操作并且起作用,使得双频阻尼器在多个频率下的刚度和阻尼都被优化。 LIVE部分用作频率相关开关,以选择性地引起低频振荡力主要由流体阻尼器部分的高弹簧速率和高阻尼率特性来处理,并且还选择要被主要处理的低频振荡力 LIVE单元部分的弹簧刚度和低阻尼率特性。

    Temperature Adaptive Fluid Damping System
    4.
    发明申请
    Temperature Adaptive Fluid Damping System 有权
    温度自适应流体阻尼系统

    公开(公告)号:US20130048127A1

    公开(公告)日:2013-02-28

    申请号:US13697029

    申请日:2011-02-24

    IPC分类号: F16L55/04

    摘要: A temperature adaptive fluid damping system is provided. One embodiment of the temperature adaptive fluid damping system comprises two fluid chambers, a piston in fluid communication with the fluid chambers, and a fluid path between the fluid chambers. An elastomeric retaining element adjacent to the fluid path is constrained to deform substantially perpendicular to the fluid path, so that the retaining element is operable to vary the cross-sectional area of the fluid path inversely to a change in temperature.

    摘要翻译: 提供了温度自适应流体阻尼系统。 温度自适应流体阻尼系统的一个实施例包括两个流体室,与流体室流体连通的活塞以及流体室之间的流体路径。 与流体路径相邻的弹性体保持元件被限制为基本上垂直于流体路径变形,使得保持元件可操作以相对于温度变化来改变流体路径的横截面面积。

    Composite rotor blade having weighted material for mass balancing
    5.
    发明授权
    Composite rotor blade having weighted material for mass balancing 有权
    复合转子叶片具有用于质量平衡的加权材料

    公开(公告)号:US09487290B2

    公开(公告)日:2016-11-08

    申请号:US13578975

    申请日:2010-11-12

    摘要: A rotor blade for an aircraft includes a composite portion having fiber-reinforced resin material, the composite portion having an outside surface that forms at least a partial airfoil shape. The weighted portion includes a plurality of weighted material layers and a plurality of fiber-reinforced resin material layers. Weighted material is configured to be compatible with and integrated into composite manufacturing processes used to fabricate the rotor blade. The weighted portion has a higher density than the composite portion and positioned to produce desired mass balance characteristics of the rotor blade.

    摘要翻译: 用于飞行器的转子叶片包括具有纤维增强树脂材料的复合部分,所述复合部分具有形成至少部分翼型形状的外表面。 加权部分包括多个加权材料层和多个纤维增强树脂材料层。 加权材料被配置为与用于制造转子叶片的复合制造工艺兼容并被集成。 加权部分具有比复合部分更高的密度,并且定位成产生转子叶片的期望的质量平衡特性。

    Aircraft rotor with discrete flap hinge
    6.
    发明授权
    Aircraft rotor with discrete flap hinge 有权
    具有离散翼片铰链的飞机转子

    公开(公告)号:US09352830B2

    公开(公告)日:2016-05-31

    申请号:US13455814

    申请日:2012-04-25

    IPC分类号: B64C27/39 B64C27/48

    CPC分类号: B64C27/39 B64C27/48

    摘要: An aircraft rotor assembly has upper and lower hub plates adapted to be mounted to a central rotor mast for rotation therewith. A plurality of radial arms is connected to at least two flap bearings mounted between the hub plates and forming a discrete flap hinge, each flap hinge defining a flap axis and allowing rotation of the associated arm relative to the hub plates and about the corresponding flap axis. Each of a plurality of blade grips is rotatably connected to one of the arms for rotation about a pitch axis and adapted for mounting of a blade to each blade grip, such that each blade is capable of rotation with the grip about the pitch axis and capable of rotation together with the corresponding arm relative to the hub plates and about the corresponding flap axis.

    摘要翻译: 飞机转子组件具有适于安装到中心转子桅杆上的上和下毂板,以与其一起旋转。 多个径向臂连接到安装在轮毂板之间并形成离散的翼片铰链的至少两个翼片轴承,每个翼片铰链限定翼片轴线并允许相关联的臂相对于轮毂板和相应翼片轴线的旋转 。 多个叶片夹具中的每一个可旋转地连接到一个臂上,用于围绕俯仰轴线旋转,并适于将叶片安装到每个叶片手柄上,使得每个叶片能够围绕俯仰轴线旋转,并且能够 与相应的臂相对于轮毂板和围绕相应的翼片轴线旋转。

    Offset Stacked Yoke Hub for Tiltrotor Aircraft
    8.
    发明申请
    Offset Stacked Yoke Hub for Tiltrotor Aircraft 有权
    用于倾斜机的偏移堆​​叠式轭架

    公开(公告)号:US20130224025A1

    公开(公告)日:2013-08-29

    申请号:US13405030

    申请日:2012-02-24

    IPC分类号: F01D7/00

    CPC分类号: B64C27/33 B64C27/35

    摘要: A tiltrotor rotor hub comprises first and second configurations of yokes arranged in two parallel and axially offset planes, each having an equal number of two or more yokes substantially equally spaced about a mast, wherein a portion of each yoke overlaps with a portion of each azimuthally adjacent yoke. Another tiltrotor rotor hub is selectively positionable for operation in helicopter/airplane/transition modes and comprises substantially parallel and axially offset first and second planes, each containing a plurality of blade yokes arranged about a central axis and a portion of each yoke overlaps with a portion of each azimuthally adjacent yoke. Another tiltrotor rotor hub is coupled to a tiltrotor mast and comprises a stacked arrangement of blade yokes wherein a portion of each yoke overlaps with a portion of each azimuthally adjacent yoke, and a plurality of mounting components coupling each yoke to the overlapping azimuthally adjacent yoke.

    摘要翻译: 倾斜转子转子毂包括布置在两个平行和轴向偏移平面中的轭的第一和第二构造,每个具有相等数量的两个或更多个围绕桅杆等间隔的轭,其中每个轭的一部分与每个方位角的一部分重叠 相邻的轭。 另一个倾斜转子转子毂可选择定位以在直升机/飞机/转换模式中操作,并且包括基本上平行和轴向偏移的第一和第二平面,每个平面包含围绕中心轴布置的多个叶片轭,并且每个轭的一部分与一部分 每个方位角相邻的轭。 另一个倾斜旋转器转子毂联接到倾斜旋转桅杆并且包括叶片轭的堆叠布置,其中每个轭的一部分与每个方位角相邻的轭的一部分重叠,并且多个安装部件将每个轭耦合到重叠的方位角相邻的轭。

    Hub Assembly with Centrifugal and Radial Bearings
    9.
    发明申请
    Hub Assembly with Centrifugal and Radial Bearings 有权
    带离心轴承和径向轴承的轴毂组件

    公开(公告)号:US20130216382A1

    公开(公告)日:2013-08-22

    申请号:US13400837

    申请日:2012-02-21

    IPC分类号: F01D7/00 F01D5/02

    CPC分类号: B64C27/35 B64C27/605

    摘要: A rotary system including a yoke having an opening forming a bridge for receiving a spoke extending therethrough. A rotor blade couples to the spoke and a pitch horn positioned outside the opening pitches the rotor blade during flight. A bearing assembly attaches the spoke and the pitch horn to the bridge and control blade forces exerted against the hub assembly during flight.

    摘要翻译: 一种旋转系统,包括具有开口的轭,所述开口形成用于容纳从其延伸穿过的辐条的桥。 转子叶片耦合到轮辐,并且位于开口外侧的桨距角在飞行期间对转子叶片进行间距。 轴承组件将辐条和桨距喇叭连接到桥上,并且在飞行期间控制施加在轮毂组件上的叶片力。

    Bearing Restraint for Rotor Systems
    10.
    发明申请
    Bearing Restraint for Rotor Systems 有权
    转子系统的轴承约束

    公开(公告)号:US20130175384A1

    公开(公告)日:2013-07-11

    申请号:US13346912

    申请日:2012-01-10

    CPC分类号: B64C27/322 B64C27/35

    摘要: According to one embodiment, a rotor system comprises a yoke, a grip, an elastomeric bearing, and a bearing restraint. The grip is positioned around a portion of the yoke and has both a closed end and an open end. The elastomeric bearing is coupled to the closed end of the grip and located between the closed end and the yoke. The bearing restraint is coupled to the grip between the yoke and the open end at a distance from the closed end such that the yoke contacts the bearing restraint when the rotor system is subject to a first centrifugal force but does not contact the bearing restraint when the rotor system is subject to a second centrifugal force greater than the first centrifugal force

    摘要翻译: 根据一个实施例,转子系统包括轭,手柄,弹性体轴承和轴承约束件。 把手位于轭的一部分周围,并且具有闭合端和开口端。 弹性轴承联接到手柄的封闭端并且位于封闭端和轭之间。 轴承约束件在轭和开口端之间的距离闭合端的距离处被联接,使得当转子系统受到第一离心力而不接触轴承约束时,轭与轴承约束接触 转子系统经受大于第一离心力的第二离心力