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公开(公告)号：US08444382B2
公开(公告)日：2013-05-21
申请号：US13391708
申请日：2011-06-29
申请人： Frank B. Stamps , Patrick R. Tisdale , Mithat Yuce
发明人： Frank B. Stamps , Patrick R. Tisdale , Mithat Yuce
IPC分类号： B64C27/51
摘要： A rotor hub has a yoke with radial arms allowing flapping of connected blades about a flap axis. A grip is rigidly attached to each blade, and a lead-lag bearing connects each grip to one of the arms, the bearing defining a lead-lag axis outboard of the flap axis. Each arm has a pair of straps located on opposite sides of the rotor plane for transferring centrifugal force from the blades to the central portion of the yoke. A pair of lead-lag dampers is provided for each grip, the dampers of each pair being located on opposite sides of the rotor plane and connecting an inboard end portion of the grip to the adjacent strap. In-plane motion of a blade causes rotation of the attached grip about the lead-lag axis, causing opposite motion of an inboard end portion of the grip. The dampers act to oppose rotation of the grip.
摘要翻译： 转子毂具有带有径向臂的轭，允许连接的叶片围绕翼片轴线振动。 握把被刚性地附接到每个叶片，并且牵引延迟轴承将每个手柄连接到其中一个臂，所述轴承限定翼片轴线外侧的前后延伸轴线。 每个臂具有位于转子平面的相对侧上的一对带，用于将离心力从叶片传递到轭的中心部分。 为每个把手提供一对超前滞后阻尼器，每对的阻尼器位于转子平面的相对侧上，并将把手的内侧端部连接到相邻的带子上。 刀片的平面内运动导致附接的把手围绕引线滞后轴线的旋转，引起把手的内侧端部部分的相反运动。 阻尼器用于反对手柄的旋转。
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公开(公告)号：US20130004311A1
公开(公告)日：2013-01-03
申请号：US13391708
申请日：2011-06-29
申请人： Frank B. Stamps , Patrick R. Tisdale , Mithat Yuce
发明人： Frank B. Stamps , Patrick R. Tisdale , Mithat Yuce
IPC分类号： B64C11/04
摘要： A rotor hub has a yoke with radial arms allowing flapping of connected blades about a flap axis. A grip is rigidly attached to each blade, and a lead-lag bearing connects each grip to one of the arms, the bearing defining a lead-lag axis outboard of the flap axis. Each arm has a pair of straps located on opposite sides of the rotor plane for transferring centrifugal force from the blades to the central portion of the yoke. A pair of lead-lag dampers is provided for each grip, the dampers of each pair being located on opposite sides of the rotor plane and connecting an inboard end portion of the grip to the adjacent strap. In-plane motion of a blade causes rotation of the attached grip about the lead-lag axis, causing opposite motion of an inboard end portion of the grip. The dampers act to oppose rotation of the grip.
摘要翻译： 转子毂具有带有径向臂的轭，允许连接的叶片围绕翼片轴线振动。 握把被刚性地附接到每个叶片，并且牵引延迟轴承将每个手柄连接到其中一个臂，所述轴承限定翼片轴线外侧的前后延伸轴线。 每个臂具有位于转子平面的相对侧上的一对带，用于将离心力从叶片传递到轭的中心部分。 为每个把手提供一对超前滞后阻尼器，每对的阻尼器位于转子平面的相对侧上，并将把手的内侧端部连接到相邻的带子上。 刀片的平面内运动导致附接的把手围绕引线滞后轴线的旋转，引起把手的内侧端部部分的相反运动。 阻尼器用于反对手柄的旋转。
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公开(公告)号：US08764396B2
公开(公告)日：2014-07-01
申请号：US12866920
申请日：2008-02-12
IPC分类号： B64C27/51
摘要： A lead-lag damper for a rotor assembly has a body mounted to either an inboard portion of a blade assembly or a fixed portion of the rotor assembly. A piston carried within the body is configured to allow for relative motion between the body and the piston. The piston defines opposing chambers within the body, the chambers being in fluid communication through a fluid passage. A link connects the piston to the other of the inboard portion of the blade assembly and the fixed portion of the rotor assembly, and the link engages a central portion of the piston. The piston acts on fluid in the chambers during relative motion between the piston and the body and causes fluid flow between the chambers through the fluid passage. Flow through the passage acts to damp lead-lag motion of the blade assembly relative to the fixed portion of the rotor assembly.
摘要翻译： 用于转子组件的超前滞后阻尼器具有安装到叶片组件的内侧部分或转子组件的固定部分的主体。 承载在主体内的活塞构造成允许主体和活塞之间的相对运动。 活塞在体内限定相对的腔室，腔室通过流体通道流体连通。 连杆将活塞连接到叶片组件的内侧部分中的另一个和转子组件的固定部分，并且连杆接合活塞的中心部分。 在活塞和主体之间的相对运动期间，活塞作用在腔室中的流体上，并且通过流体通道引起腔室之间的流体流动。 通过通道的流动用于阻止叶片组件相对于转子组件的固定部分的牵引延迟运动。
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公开(公告)号：US20110027083A1
公开(公告)日：2011-02-03
申请号：US12866920
申请日：2008-02-12
IPC分类号： B64C27/51
摘要： A lead-lag damper for a rotor assembly has a body mounted to either an inboard portion of a blade assembly or a fixed portion of the rotor assembly. A piston carried within the body is configured to allow for relative motion between the body and the piston. The piston defines opposing chambers within the body, the chambers being in fluid communication through a fluid passage. A link connects the piston to the other of the inboard portion of the blade assembly and the fixed portion of the rotor assembly, and the link engages a central portion of the piston. The piston acts on fluid in the chambers during relative motion between the piston and the body and causes fluid flow between the chambers through the fluid passage. Flow through the passage acts to damp lead-lag motion of the blade assembly relative to the fixed portion of the rotor assembly.
摘要翻译： 用于转子组件的超前滞后阻尼器具有安装到叶片组件的内侧部分或转子组件的固定部分的主体。 承载在主体内的活塞构造成允许主体和活塞之间的相对运动。 活塞在体内限定相对的腔室，腔室通过流体通道流体连通。 连杆将活塞连接到叶片组件的内侧部分中的另一个和转子组件的固定部分，并且连杆接合活塞的中心部分。 在活塞和主体之间的相对运动期间，活塞作用在腔室中的流体上，并且通过流体通道引起腔室之间的流体流动。 通过通道的流动用于阻止叶片组件相对于转子组件的固定部分的牵引延迟运动。
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公开(公告)号：US09260185B2
公开(公告)日：2016-02-16
申请号：US13358046
申请日：2012-01-25
IPC分类号： B64C27/51
CPC分类号： B64C27/51 , F16F15/022 , F16F15/03 , F16F2230/16
摘要： The system and method of the present application relate to a lead/lag damper for a rotorcraft. The lead/lag damper is configured to harvest power from the lead/lag oscillatory motions of rotor blades with an electromagnetic linear motor/generator. Further, the lead/lag damper is configured to treat the lead/lag motions with the electromagnetic linear motor/generator. The system and method is well suited for use in the field of aircraft, in particular, helicopters and other rotary wing aircraft.
摘要翻译： 本申请的系统和方法涉及一种用于旋翼航空器的牵引/滞后阻尼器。 引导/滞后阻尼器被配置为用电磁线性电动机/发电机从转子叶片的引导/滞后振荡运动中收集功率。 此外，引导/滞后阻尼器被配置为用电磁线性马达/发电机处理引导/滞后运动。 该系统和方法非常适用于飞机领域，特别是直升机和其他旋翼机。
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公开(公告)号：US20130241124A1
公开(公告)日：2013-09-19
申请号：US13421991
申请日：2012-03-16
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：US09481455B2
公开(公告)日：2016-11-01
申请号：US13703650
申请日：2011-04-26
摘要： A dual series damper includes a fluid damper portion and a elastomeric damper portion. The fluid damper portion includes a first housing, a first connection member, and a piston coupled to the first connection member. The piston divides an interior of the first housing into a first fluid chamber and a second fluid chamber. The piston has a fluid passage in the piston, the fluid passage being configured to provide fluid communication between the first fluid chamber and the second fluid chamber. The elastomeric damper portion includes a second housing, a second connection member coupled to the second housing, and an elastomer between the first housing and the second housing. When a lead/lag force is introduced to the dual series damper, the fluid damper portion behaves rigidly so that the elastomeric damper portion dampens the lead/lag oscillation.
摘要翻译： 双串联阻尼器包括流体阻尼器部分和弹性阻尼器部分。 流体阻尼器部分包括第一壳体，第一连接构件和联接到第一连接构件的活塞。 活塞将第一壳体的内部分成第一流体室和第二流体室。 活塞在活塞中具有流体通道，流体通道构造成在第一流体室和第二流体室之间提供流体连通。 弹性阻尼器部分包括第二壳体，联接到第二壳体的第二连接构件和在第一壳体和第二壳体之间的弹性体。 当引入/滞后力被引入双串联阻尼器时，流体阻尼器部分刚性地运动，使得弹性阻尼器部分阻尼引导/滞后振荡。
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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：US20130189098A1
公开(公告)日：2013-07-25
申请号：US13358046
申请日：2012-01-25
IPC分类号： B64C27/46
CPC分类号： B64C27/51 , F16F15/022 , F16F15/03 , F16F2230/16
摘要： The system and method of the present application relate to a lead/lag damper for a rotorcraft. The lead/lag damper is configured to harvest power from the lead/lag oscillatory motions of rotor blades with an electromagnetic linear motor/generator. Further, the lead/lag damper is configured to treat the lead/lag motions with the electromagnetic linear motor/generator. The system and method is well suited for use in the field of aircraft, in particular, helicopters and other rotary wing aircraft.
摘要翻译： 本申请的系统和方法涉及一种用于旋翼航空器的牵引/滞后阻尼器。 引导/滞后阻尼器被配置为用电磁线性电动机/发电机从转子叶片的引导/滞后振荡运动中收集功率。 此外，引导/滞后阻尼器被配置为用电磁线性马达/发电机处理引导/滞后运动。 该系统和方法非常适用于飞机领域，特别是直升机和其他旋翼机。
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公开(公告)号：US20130084183A1
公开(公告)日：2013-04-04
申请号：US13703650
申请日：2011-04-26
IPC分类号： B64C27/51
摘要： A dual series damper includes a fluid damper portion and a elastomeric damper portion. The fluid damper portion includes a first housing, a first connection member, and a piston coupled to the first connection member. The piston divides an interior of the first housing into a first fluid chamber and a second fluid chamber. The piston has a fluid passage in the piston, the fluid passage being configured to provide fluid communication between the first fluid chamber and the second fluid chamber. The elastomeric damper portion includes a second housing, a second connection member coupled to the second housing, and an elastomer between the first housing and the second housing. When a lead/lag force is introduced to the dual series damper, the fluid damper portion behaves rigidly so that the elastomeric damper portion dampens the lead/lag oscillation.
摘要翻译： 双串联阻尼器包括流体阻尼器部分和弹性阻尼器部分。 流体阻尼器部分包括第一壳体，第一连接构件和联接到第一连接构件的活塞。 活塞将第一壳体的内部分成第一流体室和第二流体室。 活塞在活塞中具有流体通道，流体通道构造成在第一流体室和第二流体室之间提供流体连通。 弹性阻尼器部分包括第二壳体，联接到第二壳体的第二连接构件和在第一壳体和第二壳体之间的弹性体。 当引导/滞后力被引入双重串联阻尼器时，流体阻尼器部分刚性地运动，使得弹性阻尼器部分阻尼引导/滞后振荡。
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