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公开(公告)号:US08882091B2
公开(公告)日:2014-11-11
申请号:US13294230
申请日:2011-11-11
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:US20140064922A1
公开(公告)日:2014-03-06
申请号:US13593113
申请日:2012-08-23
IPC分类号: F01D25/06
CPC分类号: F01D25/06 , B64C27/001 , F16F13/08 , Y10T29/49321
摘要: In accordance with one embodiment of the present disclosure, a system includes a first housing, a second housing, a seal, and a spring system. The first housing includes a first volume of fluid. The first housing is capable of connecting to a first element and to a second element, and is also capable of reducing an amount of movement transferred from the first element to the second element. The second housing is connected to the first housing. The second housing includes a second volume of fluid and a volume of gas. The first volume of fluid is in fluid communication with the second volume of fluid. The seal is capable of separating the second volume of fluid from the volume of gas. The spring system is capable of applying pressure to the first volume of fluid and the second volume of fluid.
摘要翻译: 根据本公开的一个实施例,系统包括第一壳体,第二壳体,密封件和弹簧系统。 第一壳体包括第一体积的流体。 第一壳体能够连接到第一元件和第二元件,并且还能够减少从第一元件传递到第二元件的移动量。 第二壳体连接到第一壳体。 第二壳体包括第二体积的流体和一定体积的气体。 第一体积的流体与第二体积的流体流体连通。 密封件能够将第二体积的流体与气体体积分离。 弹簧系统能够对第一体积的流体和第二体积的流体施加压力。
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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。
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公开(公告)号:US08602400B2
公开(公告)日:2013-12-10
申请号:US12677611
申请日:2007-09-27
申请人: Emery N. Ward , Michael R. Smith , Frank B. Stamps , David Haynie , Terry K. Thompson , David P. Shipman , James A. Wilson
发明人: Emery N. Ward , Michael R. Smith , Frank B. Stamps , David Haynie , Terry K. Thompson , David P. Shipman , James A. Wilson
IPC分类号: F16F9/04
CPC分类号: F16F13/08 , F16F2230/007
摘要: A vibration isolator is disclosed having a housing which defines a fluid chamber. A piston, which is movable to and from a down position, is disposed within the housing. A vibration isolation fluid is disposed within the fluid chamber. A passage having a predetermined diameter extends through the piston to permit the vibration isolation fluid to flow from one fluid chamber to the other. An elastic element is provided for reducing transmission of vibrations from the piston to the housing when the piston is at the down position.
摘要翻译: 公开了一种隔离器,其具有限定流体室的壳体。 可移动到下部位置的活塞设置在壳体内。 隔振流体设置在流体室内。 具有预定直径的通道延伸穿过活塞,以允许隔振流体从一个流体室流向另一个。 提供弹性元件,用于当活塞处于向下位置时减少活塞向壳体的振动传递。
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公开(公告)号:US08328129B2
公开(公告)日:2012-12-11
申请号:US12443950
申请日:2006-10-12
申请人: Michael R. Smith , Frank B. Stamps
发明人: Michael R. Smith , Frank B. Stamps
IPC分类号: B64C27/00
CPC分类号: B64C27/12 , B64C2027/002 , F16F7/10 , F16F15/02 , F16F2230/16
摘要: A preferred embodiment of a pylon has six pylon mounting links for mounting the pylon to an airframe. Each link is considered “near-rigid” and has a spherical-bearing rod-end on both ends such that the link can only transmit axial loads. At least one of the links has a mass carried within the link and selectively moveable by an actuating means along the axis of the link in an oscillatory manner for attenuating vibrations traveling axially through the link. The actuating means may be an electromechanical, hydraulic, pneumatic, or piezoelectric system. By mounting each link in a selected orientation relative to the other links, the actuating means may be operated in a manner that attenuates axial vibration that would otherwise be transmitted through the link and into the airframe.
摘要翻译: 塔的优选实施例具有用于将吊架安装到机身上的六个安装链。 每个连杆被认为是近刚性的,并且在两端具有球形轴承杆端,使得连杆只能传递轴向载荷。 链节中的至少一个具有在链节内承载的质量,并且可以通过致动装置沿着连杆的轴线以振荡方式选择性地移动,以便衰减轴向穿过连杆的振动。 致动装置可以是机电,液压,气动或压电系统。 通过将每个链节相对于其它连杆安装在选定的方向上,致动装置可以以衰减轴向振动的方式操作,否则轴向振动将通过连杆传递到机身中。
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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:US20100090055A1
公开(公告)日:2010-04-15
申请号:US12443950
申请日:2006-10-12
申请人: Michael R. Smith , Frank B. Stamps
发明人: Michael R. Smith , Frank B. Stamps
CPC分类号: B64C27/12 , B64C2027/002 , F16F7/10 , F16F15/02 , F16F2230/16
摘要: A preferred embodiment of a pylon has six pylon mounting links for mounting the pylon to an airframe. Each link is considered “near-rigid” and has a spherical-bearing rod-end on both ends such that the link can only transmit axial loads. At least one of the links has a mass carried within the link and selectively moveable by an actuating means along the axis of the link in an oscillatory manner for attenuating vibrations traveling axially through the link. The actuating means may be an electromechanical, hydraulic, pneumatic, or piezoelectric system. By mounting each link in a selected orientation relative to the other links, the actuating means may be operated in a manner that attenuates axial vibration that would otherwise be transmitted through the link and into the airframe.
摘要翻译: 塔的优选实施例具有用于将吊架安装到机身上的六个安装链。 每个连杆被认为是“接近刚性”的,并且在两端具有球形轴承杆端,使得连杆只能传递轴向载荷。 链节中的至少一个具有在链节内承载的质量,并且可以通过致动装置沿着连杆的轴线以振荡方式选择性地移动,以便衰减轴向穿过连杆的振动。 致动装置可以是机电,液压,气动或压电系统。 通过将每个链节相对于其它连杆安装在选定的方向上,致动装置可以以衰减轴向振动的方式操作,否则轴向振动将通过连杆传递到机身中。
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公开(公告)号:US6009983A
公开(公告)日:2000-01-04
申请号:US866603
申请日:1997-05-30
申请人: Frank B. Stamps , Michael R. Smith
发明人: Frank B. Stamps , Michael R. Smith
摘要: A vibration-isolatator utilizes a relatively small-diameter tuning port or passage and associated reduction in component size. In the illustrative embodiment described herein, a passive isolator is provided which includes a tuning passage or port which has a diameter which is approximately one-half the diameter of the prior-art isolators. The reduced radial dimension of the tuning passage of the isolator results in a remarkable decrease in its size and weight, thus increasing the efficiency of operation of the aircraft.
摘要翻译: 振动隔离器利用相对较小直径的调谐端口或通道以及相关的部件尺寸减小。 在本文所述的说明性实施例中,提供了一种无源隔离器,其包括调谐通道或端口,该调谐通道或端口的直径约为现有技术隔离器的直径的一半。 隔离器的调谐通道的减小的径向尺寸导致其尺寸和重量的显着减小,从而提高飞行器的操作效率。
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公开(公告)号:US09765641B2
公开(公告)日:2017-09-19
申请号:US13593113
申请日:2012-08-23
CPC分类号: F01D25/06 , B64C27/001 , F16F13/08 , Y10T29/49321
摘要: In accordance with one embodiment of the present disclosure, a system includes a first housing, a second housing, a seal, and a spring system. The first housing includes a first volume of fluid. The first housing is capable of connecting to a first element and to a second element, and is also capable of reducing an amount of movement transferred from the first element to the second element. The second housing is connected to the first housing. The second housing includes a second volume of fluid and a volume of gas. The first volume of fluid is in fluid communication with the second volume of fluid. The seal is capable of separating the second volume of fluid from the volume of gas. The spring system is capable of applying pressure to the first volume of fluid and the second volume of fluid.
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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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