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    Releasable fastener system
    1.
    发明授权
    Releasable fastener system 有权
    可拆卸紧固件系统

    公开(公告)号：US06815873B2

    公开(公告)日：2004-11-09

    申请号：US10305422

    申请日：2002-11-26

    申请人： Nancy L. Johnson ,  Alan L. Browne ,  William Barvosa-Carter ,  Leslie A. Momoda ,  Thomas B. Stanford

    发明人： Nancy L. Johnson ,  Alan L. Browne ,  William Barvosa-Carter ,  Leslie A. Momoda ,  Thomas B. Stanford

    IPC分类号： H01L4108

    CPC分类号： A44B18/0003 ,  A41D2300/326 ,  A44B18/0007 ,  A44B18/0096 ,  A44D2203/00 ,  B64C33/02 ,  C08L2201/12 ,  F16B1/0014 ,  F16B5/07 ,  F16B2001/0028 ,  F16B2001/0035 ,  F16F2224/045

    摘要： A releasable fastener system comprises a male portion and a female portion. The male portion comprises a support and at least one protrusion element fixedly attached to the support. The female portion comprises a support and at least two parallel actuator strips projecting from a surface of the support. The at least two parallel actuator strips are spaced apart to form an opening equal to or less than a lateral dimension of the protrusion element. Each one of the at least two parallel actuator strips comprise a flexible strip and a piezoelectric material disposed on portions of the actuator strip. An activation device is coupled to the at least two actuator strips, the activation device being operable to selectively provide an activation signal to the piezoelectric material. In this manner, the shape of the actuator strips can be changed to provide a mechanical engagement of a frictional engagement of the male and female portions.

    摘要翻译： 可释放的紧固件系统包括阳部分和阴部分。 阳部分包括支撑件和固定地附接到支撑件的至少一个突出元件。 阴部分包括支撑件和从支撑件的表面突出的至少两个平行的致动器条。 至少两个平行的致动器条带间隔开以形成等于或小于突出元件的横向尺寸的开口。 所述至少两个平行致动器条中的每一个包括柔性条和设置在所述致动器条的部分上的压电材料。 激活装置耦合到至少两个致动器条，激活装置可操作以选择性地向压电材料提供激活信号。 以这种方式，可以改变致动器条的形状以提供阳部和阴部之间的摩擦接合的机械接合。

    Releasable fastener systems and processes
    2.
    发明授权
    Releasable fastener systems and processes 有权
    可释放的紧固件系统和工艺

    公开(公告)号：US07308738B2

    公开(公告)日：2007-12-18

    申请号：US10337238

    申请日：2003-01-06

    申请人： William Barvosa-Carter ,  Alan L. Browne ,  Nancy L. Johnson ,  Leslie A. Momoda ,  Thomas B. Stanford

    发明人： William Barvosa-Carter ,  Alan L. Browne ,  Nancy L. Johnson ,  Leslie A. Momoda ,  Thomas B. Stanford

    IPC分类号： B23P19/04 ,  A44B21/00

    CPC分类号： A44B18/0007 ,  A41D2300/326 ,  A44B18/0003 ,  A44B18/0096 ,  A44D2203/00 ,  B64C33/02 ,  C08L2201/12 ,  F16B1/0014 ,  F16B5/07 ,  F16B2001/0028 ,  F16B2001/0035 ,  F16F2224/045 ,  Y10T24/27 ,  Y10T24/2742 ,  Y10T428/24017

    摘要： A releasable fastener system comprises a loop portion and a hook portion. The loop portion includes a support and a loop material disposed on one side thereof. The hook portion generally includes a support and a plurality of closely spaced upstanding hook elements extending from one side thereof, wherein the plurality of hook elements comprises or incorporates a shape memory polymer. When the hook portion and loop portion are pressed together they interlock to form a releasable engagement. The resulting joint created by the engagement is relatively resistant to shear and pull forces and weak in peel strength forces. Introducing a thermal activation signal to the plurality of hook elements causes a change in shape orientation and/or flexural modulus that effectively reduces the shear and/or pull off forces in the releasable engagement. In this manner, disengagement of the releasable fastener system provides separation of the hook portion from the loop portion under controlled conditions. Also disclosed herein are processes for operating the releasable fastener system.

    摘要翻译： 可释放的紧固件系统包括环部分和钩部分。 环路部分包括支撑件和设置在其一侧的环形材料。 钩部通常包括支撑件和从其一侧延伸的多个紧密间隔的直立钩元件，其中多个钩元件包括或结合形状记忆聚合物。 当钩部和环部被压在一起时，它们互锁以形成可释放的接合。 通过接合产生的所得到的接头相对于剪切力和拉力相对地抵抗并且剥离强度力弱。 向多个钩元件引入热激活信号导致形状取向和/或弯曲模量的变化，其有效地减少可释放接合中的剪切力和/或拉力。 以这种方式，可释放的紧固件系统的分离在受控条件下提供了钩部分与环部分的分离。 本文还公开了用于操作可释放紧固件系统的方法。

    Releasable fastener system
    3.
    发明授权
    Releasable fastener system 有权
    可拆卸紧固件系统

    公开(公告)号：US07146690B2

    公开(公告)日：2006-12-12

    申请号：US10305375

    申请日：2002-11-26

    申请人： Thomas B. Stanford, Jr. ,  Alan L. Browne ,  Nancy L. Johnson ,  Leslie A. Momoda ,  William Barvosa-Carter ,  Bob R. Powell, Jr.

    发明人： Thomas B. Stanford, Jr. ,  Alan L. Browne ,  Nancy L. Johnson ,  Leslie A. Momoda ,  William Barvosa-Carter ,  Bob R. Powell, Jr.

    IPC分类号： B23P19/04 ,  A44B21/00

    CPC分类号： F16B1/0014 ,  A41D2300/326 ,  A44B18/0003 ,  A44B18/0096 ,  A44D2203/00 ,  C08L2201/12 ,  F16B5/07 ,  F16B2001/0028 ,  F16B2001/0035 ,  F16F2224/045 ,  Y10T24/27 ,  Y10T24/2783 ,  Y10T428/24017

    摘要： A releasable fastener system comprises a loop portion and a hook portion. The loop portion includes a support and a loop material disposed on one side thereof. The hook portion generally includes a support and a plurality of closely spaced upstanding hook elements extending from one side thereof, wherein the plurality of hook elements comprises or incorporates a shape memory alloy fiber. When the hook portion and loop portion are pressed together they interlock to form a releasable engagement. The resulting joint created by the engagement is relatively resistant to shear and pull forces and weak in peel strength forces. Introducing a thermal activation signal to the plurality of hook elements causes a change in shape orientation, flexural modulus property, or a combination thereof that effectively reduces the shear and/or pull off forces in the releasable engagement. In this manner, disengagement of the releasable fastener system provides separation of the hook portion from the loop portion under controlled conditions. Also disclosed herein are processes for operating the releasable fastener system.

    摘要翻译： 可释放的紧固件系统包括环部分和钩部分。 环路部分包括支撑件和设置在其一侧的环形材料。 钩部通常包括支撑件和从其一侧延伸的多个紧密间隔的直立钩元件，其中多个钩元件包括或结合形状记忆合金纤维。 当钩部和环部被压在一起时，它们互锁以形成可释放的接合。 通过接合产生的所得到的接头相对于剪切力和拉力相对地抵抗并且剥离强度力弱。 向多个钩元件引入热激活信号导致形状取向，挠曲模量特性或其组合的改变，其有效地减少了可释放接合中的剪切力和/或拉拔力。 以这种方式，可释放的紧固件系统的分离在受控条件下提供了钩部分与环部分的分离。 本文还公开了用于操作可释放紧固件系统的方法。

    Electroactive polymer releasable fastening system and method of use
    5.
    发明授权
    Electroactive polymer releasable fastening system and method of use 失效
    电动聚合物可释放紧固系统及其使用方法

    公开(公告)号：US07013538B2

    公开(公告)日：2006-03-21

    申请号：US10359007

    申请日：2003-02-05

    申请人： Alan Lampe Browne ,  William Barvosa-Carter ,  Nancy L. Johnson ,  Leslie A. Momoda ,  Thomas B. Stanford

    发明人： Alan Lampe Browne ,  William Barvosa-Carter ,  Nancy L. Johnson ,  Leslie A. Momoda ,  Thomas B. Stanford

    IPC分类号： A44B21/00

    CPC分类号： F16B5/07 ,  B64C33/02 ,  C08L2201/12 ,  F16B1/0014 ,  F16B2001/0028 ,  F16B2001/0035 ,  F16F2224/045 ,  Y10S24/44 ,  Y10T24/27 ,  Y10T24/45461 ,  Y10T24/45466 ,  Y10T24/45471 ,  Y10T403/21 ,  Y10T403/77

    摘要： A releasable fastening system for retaining two surfaces at each other or disengaging the two surfaces from each other comprises a first electrode disposed at a first surface, a second electrode disposed at a second surface, and a polymer film disposed between the first and second electrode, and an electrolyte disposed in electrical communication with the first electrode, the polymer film, and the second electrode. A volume of the polymer film is controllably variable to cause the retention of the first surface at the second surface. A method of releasably fastening adjacently-positioned surfaces comprises disposing a first electrode at a first surface, disposing a second electrode at a second surface, and increasing the volume of an electrolyte disposed in electrical communication with the first electrode and the second electrode to cause the retention of the first surface at the second surface.

    摘要翻译： 用于彼此保持两个表面或使两个表面彼此分离的可释放的紧固系统包括设置在第一表面的第一电极，设置在第二表面的第二电极和设置在第一和第二电极之间的聚合物膜， 以及与所述第一电极，所述聚合物膜和所述第二电极电连通的电解质。 聚合物膜的体积是可控地变化的，以使得第一表面保留在第二表面。 可释放地紧固相邻定位表面的方法包括在第一表面设置第一电极，在第二表面设置第二电极，并且增加设置成与第一电极和第二电极电连通的电解质的体积， 在第二表面保持第一表面。

    Releasable fastener systems and processes
    7.
    发明授权
    Releasable fastener systems and processes 有权
    可释放的紧固件系统和工艺

    公开(公告)号：US07013536B2

    公开(公告)日：2006-03-21

    申请号：US10409666

    申请日：2003-04-08

    申请人： Mark A. Golden ,  John C. Ulicny ,  Alan Lampe Browne ,  Nancy L. Johnson ,  William Barvosa-Carter ,  Thomas B. Stanford ,  Leslie A. Momoda

    发明人： Mark A. Golden ,  John C. Ulicny ,  Alan Lampe Browne ,  Nancy L. Johnson ,  William Barvosa-Carter ,  Thomas B. Stanford ,  Leslie A. Momoda

    IPC分类号： A44B18/00

    CPC分类号： F16B5/07 ,  A44B18/0061 ,  A44B18/0096 ,  B64C33/02 ,  C08L2201/12 ,  F16B1/0014 ,  F16B2001/0028 ,  F16B2001/0035 ,  F16F2224/045 ,  Y10T24/27 ,  Y10T428/24017

    摘要： A releasable fastener system comprises a loop portion and a hook portion. The loop portion includes a support and a loop material disposed on one side thereof. The hook portion generally includes a support and a plurality of closely spaced upstanding hook elements extending from one side thereof. A selected one of the hook elements or the loop material is formed from a thermally and/or electrically conductive material. The other one is formed of a material adapted to melt, flow or volatize at a defined temperature. When the hook portion and loop portion are pressed together they interlock to form a releasable engagement. The resulting joint created by the engagement is relatively resistant to shear and pull forces and weak in peel strength forces. Introducing an activation signal to the thermally and/or electrically conductive hook elements or loop material, causes the opposing material to melt, flow, soften, or volatize upon contact therewith. Also disclosed herein are processes for operating the releasable fastener system.

    摘要翻译： 可释放的紧固件系统包括环部分和钩部分。 环路部分包括支撑件和设置在其一侧的环形材料。 钩部通常包括支撑件和从其一侧延伸的多个紧密间隔的直立钩元件。 钩形元件或环形材料中的所选择的一种由热和/或导电材料形成。 另一个由适于在限定温度下熔化，流动或挥发的材料形成。 当钩部和环部被压在一起时，它们互锁以形成可释放的接合。 通过接合产生的所得到的接头相对于剪切力和拉力相对地抵抗并且剥离强度力弱。 向热导电和/或导电的钩元件或环材料引入激活信号时，使相对的材料在与其接触时熔化，流动，软化或挥发。 本文还公开了用于操作可释放紧固件系统的方法。

    Releasable fastening system based on ionic polymer metal composites and method of use
    8.
    发明授权
    Releasable fastening system based on ionic polymer metal composites and method of use 有权
    基于离子聚合物金属复合材料的可释放紧固系统及其使用方法

    公开(公告)号：US06973701B2

    公开(公告)日：2005-12-13

    申请号：US10360997

    申请日：2003-02-07

    申请人： Leslie A. Momoda ,  Alan Lampe Browne ,  Nancy L. Johnson ,  William Barvosa-Carter ,  Thomas B. Stanford

    发明人： Leslie A. Momoda ,  Alan Lampe Browne ,  Nancy L. Johnson ,  William Barvosa-Carter ,  Thomas B. Stanford

    IPC分类号： A44B99/00 ,  A44B18/00 ,  B64C33/02 ,  F16B1/00 ,  F16B5/07 ,  H02N2/00

    CPC分类号： F16B5/07 ,  B64C33/02 ,  C08L2201/12 ,  F16B1/0014 ,  F16B2001/0028 ,  F16B2001/0035 ,  F16F2224/045 ,  Y10T24/27 ,  Y10T24/45466 ,  Y10T428/24017

    摘要： A releasable fastening system comprises a knob portion comprising a knob element, a cavity portion comprising a cavity configured to receive the knob element, and an ionic polymer metal composite actuator disposed at the knob element. The ionic polymer metal composite actuator is operable to mechanically interlock the knob element with the cavity. A method of operating a releasable fastening system comprises contacting a knob portion with a cavity portion to form a releasable engagement, wherein the knob portion comprises a knob element disposed on a first support, and wherein the cavity portion comprises a cavity disposed at a second support; maintaining constant shear forces and constant pull-off forces between the knob portion and the cavity portion; and activating an ionic polymer metal composite actuator at the knob portion to facilitate the interlocking of the knob portion and the cavity portion.

    摘要翻译： 一种可释放的紧固系统包括一个把手部分，包括一个按钮元件，一个空腔部分，包括一个被构造成容纳旋钮元件的空腔，以及一个位于纽扣元件处的离子聚合物金属复合致动器。 离子聚合物金属复合致动器可操作以将旋钮元件与空腔机械地互锁。 操作可释放紧固系统的方法包括使旋钮部分与空腔部分接触以形成可释放的接合，其中所述按钮部分包括设置在第一支撑件上的按钮元件，并且其中所述空腔部分包括设置在第二支撑件 ; 保持恒定的剪切力并且在把手部分和空腔部分之间保持恒定的拉脱力; 以及在所述按钮部分处激活离子聚合物金属复合致动器以便于所述把手部分和所述空腔部分的互锁。

    Fuel cell control valve
    10.
    发明授权
    Fuel cell control valve 有权
    燃料电池控制阀

    公开(公告)号：US07887968B2

    公开(公告)日：2011-02-15

    申请号：US11688139

    申请日：2007-03-19

    申请人： Alan J. Jacobsen ,  Jennifer J. Zinck ,  Leslie A. Momoda ,  Michael W. Murphy

    发明人： Alan J. Jacobsen ,  Jennifer J. Zinck ,  Leslie A. Momoda ,  Michael W. Murphy

    IPC分类号： H01M8/04

    CPC分类号： H01M8/04201 ,  F16K31/002

    摘要： A flow control valve for a fuel cell that has particular application for controlling the flow of cathode air through a cathode flow channel of the fuel cell. The valve includes an element that controls the flow through the flow channel in response to changes in the voltage potential of the fuel cell. The valve includes a shape memory alloy wire and a flow control element secured to both ends of the shape memory alloy wire. The ends of the wire are also coupled to the anode and cathode of the fuel cell. When no current is flowing through the wire, the flow control element holds the wire in a pre-strained condition. If the voltage generated by the fuel cell increases, the current passing through the wire will heat the wire and cause it to shrink or contract which forces the flow control element into the flow path.

    摘要翻译： 一种用于燃料电池的流量控制阀，其特别用于控制通过燃料电池的阴极流动通道的阴极空气的流动。 阀包括响应于燃料电池的电压电位的变化来控制通过流动通道的流动的元件。 阀包括形状记忆合金线和固定到形状记忆合金线的两端的流量控制元件。 导线的端部也耦合到燃料电池的阳极和阴极。 当没有电流流过电线时，流量控制元件将电线保持在预应变状态。 如果燃料电池产生的电压增加，则通过电线的电流将加热电线并使其收缩或收缩，这迫使流量控制元件进入流动路径。