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    • 62. 发明申请
    • Magnetorheological fluid damper
    • 磁流变阻尼器
    • US20050087408A1
    • 2005-04-28
    • US10691091
    • 2003-10-22
    • Chandra NamuduriAlan BrowneNancy Johnson
    • Chandra NamuduriAlan BrowneNancy Johnson
    • F16D57/00F16F9/53
    • F16F9/535
    • A magnetorheological damper device is provided having an increased shear interface area per unit volume of device, which enhances the stroking force of the damper. The damper generally includes a thrust shaft comprising an external threaded surface in threaded communication with a sealed housing, wherein at least one end of the thrust shaft extends from the housing; a plurality of rotors and stators alternatingly arranged in the housing, wherein the plurality of rotors comprise a planar surface with a centrally located aperture that is rotatably engaged with the threaded surface of the thrust shaft, wherein the plurality of stators is fixedly attached to the housing and comprises a centrally located aperture dimensioned to accommodate vertical movement of the thrust shaft and a planar surface substantially parallel to the planar surface of the at least one rotor, and wherein alternating stators comprises a permanent magnet or an electromagnet; and a magnetorheological fluid disposed in a space defined by the plurality of rotors and stators.
    • 提供了一种磁流变阻尼器装置,其具有每单位体积装置增加的剪切界面面积,这增强了阻尼器的抚摸力。 阻尼器通常包括推力轴,其包括与密封壳体螺纹连通的外螺纹表面,其中推力轴的至少一端从壳体延伸; 多个转子和定子,其交替地布置在壳体中,其中多个转子包括具有中心定位的孔的平坦表面,其可旋转地与推力轴的螺纹表面接合,其中多个定子固定地附接到壳体 并且包括中心定位的孔,其尺寸适于容纳推力轴的垂直运动和基本上平行于至少一个转子的平坦表面的平面,并且其中交替定子包括永磁体或电磁体; 以及设置在由所述多个转子和定子限定的空间中的磁流变流体。
    • 63. 发明申请
    • Cargo container including an active material based releasable fastener system
    • 货物集装箱包括基于活性物质的可释放紧固件系统
    • US20060261109A1
    • 2006-11-23
    • US11131491
    • 2005-05-18
    • Alan BrowneNancy Johnson
    • Alan BrowneNancy Johnson
    • B60R9/04B60R9/055
    • B60R9/04B60R9/055
    • An active material based releasable fastener system for a vehicle carrier generally comprises a loop portion and a hook portion. A selected one of the hook portion or the loop portion is disposed on a surface of the carrier whereas an other selected one of the hook portion and the loop portion is disposed on a contact surface on which the carrier is disposed. When the loop portion and the hook portion are pressed together they interlock to form a releasable engagement being relatively resistant to shear and pull forces and weak in peel strength forces. The hook portion comprises a plurality of hook elements comprised of an active material. An activation signal applied to the active material causes a change in shape orientation, flexural modulus property, or a combination thereof to the hook elements that effectively reduces the shear and/or pull off forces in the releasable engagement. Disengagement of the releasable fastener system provides separation of the hook elements from the loop material under controlled conditions. In an alternative embodiment, each respective surface comprises a composite of the hook portion and the loop portion. Also disclosed is a process of operating the releasable fastener system for vehicle carriers.
    • 用于车辆载体的基于活性材料的可释放紧固件系统通常包括环部分和钩部分。 钩状部分或环形部分中选定的一个设置在载体的表面上,而钩部分和环部分中的另一个选择的一个设置在其上布置有载体的接触表面上。 当环部分和钩部分被压在一起时,它们互锁以形成相对抗剪切力和拉力并且剥离强度力弱的可释放接合。 钩部分包括由活性材料构成的多个钩元件。 施加到活性材料的激活信号引起形状取向,挠曲模量特性或其与钩元件的组合的改变,其有效地减少了可释放接合中的剪切力和/或拉力。 可释放紧固件系统的分离提供了在受控条件下钩形元件与环形材料的分离。 在替代实施例中,每个相应的表面包括钩部分和环部分的复合物。 还公开了一种操作用于车辆载体的可释放紧固件系统的过程。
    • 67. 发明申请
    • Reconfigurable tools and/or dies, reconfigurable inserts for tools and/or dies, and methods of use
    • 可重新配置的工具和/或模具,用于工具和/或模具的可重新配置的插入件以及使用方法
    • US20060137424A1
    • 2006-06-29
    • US11293881
    • 2005-12-02
    • Alan BrowneVidyashankar BuravallaNancy Johnson
    • Alan BrowneVidyashankar BuravallaNancy Johnson
    • B21D37/01
    • B21D37/01Y10T29/49805
    • A reconfigurable tool and/or die geometry and methods of use generally comprise forming at least a portion of a shape defining surface with a shape memory material. In response to an activation signal, the shape memory material changes geometry of the shape defining surface to provide a means for forming parts with different geometries from the same tool and/or die. In an alternative embodiment, an insert for a tool and/or die can be used, wherein the insert has at least a portion of its shape defining surface formed of a shape memory material. Also disclosed are processes for forming a first part with a defined geometry and a second part with a defined geometry different from the first part defined geometry using a reconfigurable tool and/or die as well as a reconfigurable insert with a standard tool and/or die.
    • 可重构工具和/或模具几何形状和使用方法通常包括用形状记忆材料形成形状限定表面的至少一部分。 响应于激活信号,形状记忆材料改变形状限定表面的几何形状以提供用于从相同的工具和/或模具形成具有不同几何形状的部件的装置。 在替代实施例中,可以使用用于工具和/或模具的插入件,其中插入件具有由形状记忆材料形成的其形状限定表面的至少一部分。 还公开了使用可重构工具和/或模具形成具有限定几何形状的第一部分和具有与第一部分限定几何形状不同的限定几何形状的第二部分以及具有标准工具和/或模具的可重新配置插入件的过程 。
    • 69. 发明申请
    • Hood assembly utilizing active materials based mechanisms
    • 使用基于活性材料的机构的罩组件
    • US20050275246A1
    • 2005-12-15
    • US10864724
    • 2004-06-09
    • Alan BrowneNancy Johnson
    • Alan BrowneNancy Johnson
    • B60J1/20B60R19/00B60R21/34
    • B60R21/38B60R2019/007B60R2021/343
    • An active material hood impact mitigation mechanism is activated in response to a signal generated from an impact sensor or pre-impact sensor or manually. The mitigation mechanism is capable of changing either reversibly or irreversibly the stiffness, shape, location, orientation, or displacement force of the hood either globally or locally, before an impact against the hood. The active material mitigation mechanism is held in a device designed to be installed in operative communication with the hood surface. The active material is characterized by a first shape or stiffness and is operative to change to a second shape or stiffness in response to the activation signal. Such active materials include shape memory alloys, electroactive polymers, shape memory polymers, magnetic shape memory alloys, magnetorheological fluids, magnetorheological elastomers, electrorheological fluids, and piezoelectric materials.
    • 响应于从冲击传感器或预冲击传感器产生的信号或手动地激活活性材料罩冲击减轻机构。 缓解机制能够在对机罩的撞击之前全面地或局部地改变发动机罩的刚度,形状,位置,取向或位移力。 活性物质缓释机构保持在被设计成与罩表面操作性连通的装置中。 活性材料的特征在于第一形状或刚度,并且可操作地响应于激活信号而改变为第二形状或刚度。 这种活性材料包括形状记忆合金,电活性聚合物,形状记忆聚合物,磁性形状记忆合金,磁流变流体,磁流变弹性体,电流变流体和压电材料。
    • 70. 发明申请
    • Force and deceleration delimiting devices and methods for operating the same
    • 强制和减速定界装置及其操作方法
    • US20050234140A1
    • 2005-10-20
    • US11093272
    • 2005-03-29
    • Jan AaseAlan BrowneNancy Johnson
    • Jan AaseAlan BrowneNancy Johnson
    • B60R21/04B60R21/045C08J9/00
    • B60R21/04B60R21/045B60R2021/0421
    • Force and deceleration delimiting devices and methods for operating the same in a vehicle. The devices generally include an open celled material expandable from a non-expanded state to an expanded state, wherein the open celled material is sandwiched between a first end cap member and a second end cap member; an optional support surface cooperatively positioned with the open celled material to cover a surface of the open celled material in the expanded and the non-expanded states; and an optional shield cooperatively positioned with the open celled material to cover a surface of the open celled material in the expanded and the non-expanded states; and an activation mechanism adapted to regulate selective expansion of the open celled material from the non-expanded state to the expanded state in response to a triggering event, wherein the support surface and/or shield have a compact shape when the open celled material is in the non-expanded state and an expanded state when the open celled material is in the expanded state.
    • 强制和减速分界装置及其在车辆中的操作方法。 这些装置通常包括可从非膨胀状态扩展到膨胀状态的开孔材料,其中开孔材料夹在第一端盖构件和第二端盖构件之间; 可选的支撑表面与开孔材料配合地定位以覆盖处于膨胀状态和非膨胀状态的开孔材料的表面; 以及可选的屏蔽件,其与所述开孔结合材料配合地定位以覆盖所述开孔状材料在膨胀状态和未膨胀状态的表面; 以及激活机构,其适于响应于触发事件来调节所述开孔材料从所述非膨胀状态到膨胀状态的选择性膨胀,其中当所述开孔材料处于所述开孔状态时,所述支撑表面和/或屏蔽件具有紧凑的形状 未膨胀状态和膨胀状态,当开孔材料处于膨胀状态时。