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公开(公告)号:US07828525B2
公开(公告)日:2010-11-09
申请号:US10567886
申请日:2004-08-27
申请人: Frank B. Stamps , Michael R. Smith , Christopher M. Bothwell , Lawrence M. Corso , James L. Braswell, Jr. , David A. Popelka , Ernst C. Schellhase , Charles L. Hollimon , Thomas J. Newman , Bryan Baskin , Thomas C. Campbell , Daniel B. Robertson
发明人: Frank B. Stamps , Michael R. Smith , Christopher M. Bothwell , Lawrence M. Corso , James L. Braswell, Jr. , David A. Popelka , Ernst C. Schellhase , Charles L. Hollimon , Thomas J. Newman , Bryan Baskin , Thomas C. Campbell , Daniel B. Robertson
IPC分类号: B64C27/51
摘要: A rotor hub assembly for a rotary-wing aircraft has a central member and a plurality of blade grips adapted for attaching rotor blades to the central member. The blade grips are pivotally attached to the central member and are capable of pivoting about a pivot axis generally normal to a plane of rotation of the blades. The pivoting allows for in-plane motion of the blades relative to the central member. A damper is operably connected to each blade grip for damping the in-plane motion of the associated blade, each damper being selectively switchable between at least two spring rates.
摘要翻译: 用于旋转翼飞行器的转子轮毂组件具有中心构件和适于将转子叶片附接到中心构件的多个叶片把手。 刀片夹具可枢转地附接到中心构件并且能够围绕大致垂直于叶片的旋转平面的枢转轴线枢转。 枢转允许叶片相对于中心构件的面内运动。 阻尼器可操作地连接到每个叶片夹持件,用于阻尼相关叶片的平面内运动,每个阻尼器可在至少两个弹簧刚度之间切换。
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公开(公告)号:US08181755B2
公开(公告)日:2012-05-22
申请号:US10568170
申请日:2004-08-27
申请人: Frank B. Stamps , David A. Popelka , Michael R. Smith , Christopher M. Bothwell , Lawrence M. Corso , James L. Braswell, Jr. , Ernst C. Schellhase , Charles L. Hollimon , Thomas J. Newman , Bryan Baskin , Thomas C. Campbell , Daniel B. Robertson
发明人: Frank B. Stamps , David A. Popelka , Michael R. Smith , Christopher M. Bothwell , Lawrence M. Corso , James L. Braswell, Jr. , Ernst C. Schellhase , Charles L. Hollimon , Thomas J. Newman , Bryan Baskin , Thomas C. Campbell , Daniel B. Robertson
摘要: A damper has a piston having an axis, an outer surface, and opposing ends. Elastomeric seals are in sealing contact with the outer surface of the piston, the seals being coaxial with the piston and limiting movement of the piston to a path along the axis of the piston. The seals also define fluid chambers adjacent the ends of the piston. A primary passage communicates the fluid chambers, and a selectively switchable valve for controls a flow of fluid from one of the chambers to another of the chambers through the primary passage. When the flow of fluid through the primary passage is permitted, movement of the piston is resisted by a first spring rate due to a shear force required to cause shear deflection of the seals. When the flow of fluid through the primary passage is restricted, movement of the piston is resisted by a second spring rate due to a fluid force required to cause bulging deflection of the seals.
摘要翻译: 阻尼器具有具有轴线,外表面和相对端的活塞。 弹性密封件与活塞的外表面密封接触,密封件与活塞同轴并且限制活塞沿着活塞轴线的路径运动。 密封件还限定了邻近活塞端部的流体室。 主要通道连通流体室,以及可选择地可切换的阀,用于控制通过主通道从一个室到另一个腔的流体流。 当允许通过主通道的流体流动时,活塞的运动由于需要剪切力而引起密封件的剪切偏转而抵抗第一弹簧刚度。 当通过主通道的流体流被限制时,活塞的运动由于需要使密封件凸起偏转所需的流体力而受到第二弹簧刚度的抵抗。
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公开(公告)号:US08857581B2
公开(公告)日:2014-10-14
申请号:US13461414
申请日:2012-05-01
申请人: Frank B. Stamps , Michael R. Smith , Christopher M. Bothwell , Lawrence M. Corso , James L. Braswell, Jr. , David A. Popelka , Ernst C. Schellhase , Charles L. Hollimon , Thomas J. Newman , Bryan Baskin , Thomas C. Campbell , Daniel B. Robertson
发明人: Frank B. Stamps , Michael R. Smith , Christopher M. Bothwell , Lawrence M. Corso , James L. Braswell, Jr. , David A. Popelka , Ernst C. Schellhase , Charles L. Hollimon , Thomas J. Newman , Bryan Baskin , Thomas C. Campbell , Daniel B. Robertson
IPC分类号: F16F9/00 , F16F13/26 , B64C27/39 , B64C27/51 , B64C27/35 , F16F13/24 , F16F13/08 , F16D65/14
摘要: A rotor hub and method to dampen a force exerted on a rotor hub by a rotor blade during flight. The rotor hub including a central member rotatably coupled to a rotor mast, a blade grip rigidly attached to a blade and movably coupled to the central member, and an adjustable damper operably associated with the blade grip. The method includes damping the force exerted on the rotor hub with the adjustable damper and selectively adjusting the adjustable damper between a first spring rate and a second spring rate.
摘要翻译: 转子轮毂和在飞行期间通过转子叶片抑制施加在转子毂上的力的方法。 转子毂包括可旋转地联接到转子桅杆的中心构件,刚性地附接到叶片并可移动地联接到中心构件的叶片把手以及可操作地与叶片把手相关联的可调节阻尼器。 该方法包括利用可调节阻尼器来减轻施加在转子毂上的力,并且在第一弹簧刚度和第二弹簧刚度之间选择性地调整可调节阻尼器。
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公开(公告)号:US20120230823A1
公开(公告)日:2012-09-13
申请号:US13461414
申请日:2012-05-01
申请人: Frank B. Stamps , Michael R. Smith , Christopher M. Bothwell , Lawrence M. Corso , James L. Braswell, JR. , David A. Popelka , Ernst C. Schellhase , Charles L. Hollimon , Thomas J. Newman , Bryan Baskin , Thomas C. Campbell , Daniel B. Robertson
发明人: Frank B. Stamps , Michael R. Smith , Christopher M. Bothwell , Lawrence M. Corso , James L. Braswell, JR. , David A. Popelka , Ernst C. Schellhase , Charles L. Hollimon , Thomas J. Newman , Bryan Baskin , Thomas C. Campbell , Daniel B. Robertson
IPC分类号: B64C11/12
摘要: A rotor hub and method to dampen a force exerted on a rotor hub by a rotor blade during flight. The rotor hub including a central member rotatably coupled to a rotor mast, a blade grip rigidly attached to a blade and movably coupled to the central member, and an adjustable damper operably associated with the blade grip. The method includes damping the force exerted on the rotor hub with the adjustable damper and selectively adjusting the adjustable damper between a first spring rate and a second spring rate.
摘要翻译: 转子轮毂和在飞行期间通过转子叶片抑制施加在转子毂上的力的方法。 转子毂包括可旋转地联接到转子桅杆的中心构件,刚性地附接到叶片并可移动地联接到中心构件的叶片把手以及可操作地与叶片把手相关联的可调节阻尼器。 该方法包括利用可调节的阻尼器来减轻施加在转子毂上的力,并且在第一弹簧刚度和第二弹簧刚度之间选择性地调整可调阻尼器。
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公开(公告)号:US20080247876A1
公开(公告)日:2008-10-09
申请号:US10567886
申请日:2004-08-27
申请人: Frank B. Stamps , Michael R. Smith , Christopher M. Bothwell , Lawrence M. Corso , James L. Braswell , David A. Popelka , Ernst C. Schellhase , Charles L Hollimon , Thomas J. Newman , Bryan Baskin , Thomas C. Campbell , Daniel B. Robertson
发明人: Frank B. Stamps , Michael R. Smith , Christopher M. Bothwell , Lawrence M. Corso , James L. Braswell , David A. Popelka , Ernst C. Schellhase , Charles L Hollimon , Thomas J. Newman , Bryan Baskin , Thomas C. Campbell , Daniel B. Robertson
摘要: A rotor hub assembly for a rotary-wing aircraft has a central member and a plurality of blade grips adapted for attaching rotor blades to the central member. The blade grips are pivotally attached to the central member and are capable of pivoting about a pivot axis generally normal to a plane of rotation of the blades. The pivoting allows for in-plane motion of the blades relative to the central member. A damper is operably connected to each blade grip for damping the in-plane motion of the associated blade, each damper being selectively switchable between at least two spring rates.
摘要翻译: 用于旋转翼飞行器的转子轮毂组件具有中心构件和适于将转子叶片附接到中心构件的多个叶片把手。 刀片夹具可枢转地附接到中心构件并且能够围绕大致垂直于叶片的旋转平面的枢转轴线枢转。 枢转允许叶片相对于中心构件的面内运动。 阻尼器可操作地连接到每个叶片夹持件,用于阻尼相关叶片的平面内运动,每个阻尼器可在至少两个弹簧刚度之间切换。
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公开(公告)号:US20130119591A1
公开(公告)日:2013-05-16
申请号:US13294230
申请日:2011-11-11
IPC分类号: F16F13/08 , F16F15/02 , F16F15/027
CPC分类号: F16F13/24 , B64C2027/002
摘要: A vibration isolator includes a housing having an upper fluid chamber, a lower fluid chamber, a piston, a tuning passage, and a linear inductance motor assembly for changing the isolation frequency of the vibration isolator. The piston is resiliently disposed within the housing. A vibration tuning fluid is located in the upper fluid chamber, the lower fluid chamber, and the tuning passage. The linear inductance motor assembly includes a magnet member and an inductance coil at least partially surrounding the magnet member. A control system is configured to selectively actuate the magnet member; wherein selective actuation of the magnet member selectively imparts a pumping force on the tuning fluid, thereby changing the isolation frequency.
摘要翻译: 隔振器包括具有上流体室,下流体室,活塞,调谐通道和用于改变隔振器的隔离频率的线性电感电动机组件的壳体。 活塞弹性地设置在壳体内。 振动调节流体位于上流体室,下流体室和调谐通道中。 线性电感电动机组件包括至少部分围绕磁体构件的磁体构件和电感线圈。 控制系统被配置为选择性地致动磁体构件; 其中磁体构件的选择性致动选择性地在调谐流体上施加泵送力,从而改变隔离频率。
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公开(公告)号:US20130105621A1
公开(公告)日:2013-05-02
申请号:US13699769
申请日:2011-04-11
CPC分类号: B64C27/001 , B64C2027/002 , F16F13/08 , F16F13/24
摘要: A pylon mounting system with vibration isolation is provided. The system generally includes a housing that defines a first fluid chamber and a second fluid chamber, a fluid disposed within the fluid chambers; a piston assembly at least partially disposed within the housing, and a tuning passage defined by the piston assembly for providing fluid communication between the fluid chambers. The piston assembly has a first arm and a second arm, and each arm has a tubeform bearing for providing pitch and roll stiffness.
摘要翻译: 提供了具有隔振功能的挂架安装系统。 系统通常包括限定第一流体室和第二流体室的壳体,设置在流体室内的流体; 至少部分地设置在所述壳体内的活塞组件以及由所述活塞组件限定的用于在所述流体室之间提供流体连通的调谐通道。 活塞组件具有第一臂和第二臂,并且每个臂具有用于提供俯仰和侧倾刚度的管形轴承。
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公开(公告)号:US20120279816A1
公开(公告)日:2012-11-08
申请号:US13511821
申请日:2009-12-01
申请人: Michael R. Smith , Frank B. Stamps
发明人: Michael R. Smith , Frank B. Stamps
IPC分类号: F16F9/06
摘要: A vibration isolator having an upper housing defining an upper fluid chamber, a lower housing defining a lower fluid chamber, a piston resiliently disposed within the upper housing and the lower housing, a tuning passage defined by the piston, for providing fluid communication between the upper fluid chamber and the lower fluid chamber, a tuning fluid disposed within the tuning passage, the upper fluid chamber, and the lower fluid chamber. A reservoir in fluid communication with the upper fluid chamber for providing pressurization control of the vibration isolator. An expanded accumulator region for providing Increased pressure retention during maintenance and operation of the vibration isolator.
摘要翻译: 一种隔振器,具有限定上流体室的上壳体,限定下流体室的下壳体,弹性地设置在上壳体和下壳体内的活塞,由活塞限定的调谐通道,用于在上壳体之间提供流体连通 流体室和下部流体室,设置在调谐通道内的调谐流体,上部流体室和下部流体室。 与上流体室流体连通的储存器,用于提供隔振器的加压控制。 用于提供在隔振器的维护和操作期间增加的压力保持的膨胀蓄能器区域。
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公开(公告)号:US20130274961A1
公开(公告)日:2013-10-17
申请号:US13444469
申请日:2012-04-11
CPC分类号: B64C27/001 , B64C2027/002 , B64C2027/004 , F16F13/06 , F16F13/24 , F16F15/002 , F16F15/027
摘要: A system and method to isolate vibrations from a vibrating structure. The system includes an adjustable vibration isolator that creates a reacting force matching the vibratory force of the vibrating structure. The method includes continuously monitoring the reacting force and vibratory force with a sensor system operably associated with a control unit having an algorithm to determine if adjustment of the vibration isolator is required. If required, the control unit commands a driver to selectively adjust the vibration isolator.
摘要翻译: 将振动与振动结构隔离的系统和方法。 该系统包括可调节隔振器,其产生与振动结构的振动力相匹配的反作用力。 该方法包括使用与具有确定是否需要调节隔振器的算法的控制单元可操作地相关联的传感器系统连续地监测反作用力和振动力。 如果需要,控制单元命令驾驶员选择性地调节隔振器。
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公开(公告)号:US20120292839A1
公开(公告)日:2012-11-22
申请号:US13576121
申请日:2011-02-15
申请人: Michael R. Smith , Frank B. Stamps
发明人: Michael R. Smith , Frank B. Stamps
IPC分类号: F16F13/08
CPC分类号: B64C27/001 , B64C2027/004 , F16F7/1034 , F16F13/08 , F16F2228/066
摘要: A variable stiffness liquid inertia vibration isolation device includes a liquid inertia vibration elimination isolator and a variable stiffness spring operably associated with the liquid inertia vibration elimination isolator for varying the stiffness of the liquid inertia vibration isolator. The variable stiffness spring may include an elastomeric pad exhibiting a first stiffness along a first axis and a second stiffness, significantly greater than the first stiffness, along a second axis that is perpendicular to the first axis.
摘要翻译: 可变刚度液体惯性隔振装置包括液体惯性消振隔离器和可变刚度弹簧,可变刚度弹簧与液体惯性消除隔振器可操作地相关联,用于改变液体惯性隔振器的刚度。 可变刚度弹簧可以包括沿着垂直于第一轴线的第二轴线呈现沿着第一轴线的第一刚度和显着大于第一刚度的第二刚度的弹性体垫片。
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