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    Shape memory alloy actuator
    1.
    发明申请
    Shape memory alloy actuator 失效
    形状记忆合金执行器

    公开(公告)号：US20050103008A1

    公开(公告)日：2005-05-19

    申请号：US11017563

    申请日：2004-12-20

    申请人： Mark Gummin ,  William Donakowski ,  Geoffrey Gaines

    发明人： Mark Gummin ,  William Donakowski ,  Geoffrey Gaines

    IPC分类号： F03G7/06 ,  F02G1/04 ,  F01B29/10

    CPC分类号： F03G7/065

    摘要： Actuators that employs a shape memory alloy component as the driving element include linear and rotational devices. An Intrinsic Return Means (IRM) may be imparted to the SMA actuator, thereby reducing the use of a spring return mechanism. The rotational actuator may include a cylindrical bobbin with a helical groove to receive an SMA wire. A number of turns may be placed in a small length of bobbin to amplify the rotational excursion. In another rotational actuator, a plurality of narrow, coaxial rings are provided, the rings being nested in close concentric fit or stacked in side-by-side fashion. Each ring is provided with a groove extending thereabout to receive an SMA wire and contraction of the wire causes each ring to rotate with respect to the adjacent ring. In an embodiment for linear actuation, the invention provides a bar-like component having SMA wires joined between bars. The invention includes a lost motion coupling to join two counter-acting SMA stroke amplification devices, whether linear or rotational.

    摘要翻译： 采用形状记忆合金部件作为驱动元件的致动器包括线性和旋转装置。 可以向SMA致动器施加本征返回装置（IRM），从而减少弹簧复位机构的使用。 旋转致动器可以包括具有用于接收SMA线的螺旋槽的圆柱形线轴。 可以将一些匝数放置在小长度的筒管中以放大旋转偏移。 在另一个旋转致动器中，提供多个窄的同轴环，这些环以相似的同心配合嵌套或以并排的方式堆叠。 每个环设有一个在其周围延伸的凹槽，用于接收SMA线，并且线的收缩导致每个环相对于相邻的环旋转。 在用于线性致动的实施例中，本发明提供了一种具有连接在杆之间的SMA线的棒状部件。 本发明包括一个空转耦合以连接两个反作用的SMA行程放大装置，无论是线性的还是旋转的。

    Shape memory alloy actuators
    2.
    发明授权
    Shape memory alloy actuators 失效
    形状记忆合金执行器

    公开(公告)号：US07256518B2

    公开(公告)日：2007-08-14

    申请号：US10889814

    申请日：2004-07-13

    申请人： Mark A. Gummin ,  William Donakowski ,  Geoffrey Gaines

    发明人： Mark A. Gummin ,  William Donakowski ,  Geoffrey Gaines

    IPC分类号： F02G1/04 ,  F01B29/10

    CPC分类号： F03G7/065

    摘要： Linear actuators comprised of a plurality of geometric links connected together in displacement multiplied fashion by a plurality of SMA wires. The links may have a trigon or chevron configuration. The trigon links may be combined with a hexagonal or rhomboidal shaft to create a defined stacking pattern of links about the shaft. The shaft extends from the medial portion of the stack. Ohmic heating circuits connect to non-moving ends of SMA wires. Various groupings of links in parallel displacement are described.

    摘要翻译： 线性致动器由多个几何连杆构成，多个几何连杆通过多个SMA线以位移相乘的方式连接在一起。 链接可以具有三角形或人字纹配置。 三角连杆可以与六边形或菱形轴组合以产生围绕轴的限定的连接图案。 轴从堆叠的内侧部分延伸。 欧姆加热电路连接到SMA线的不动端。 描述了平行位移中的各种链接分组。

    Shape memory alloy actuator
    3.
    发明授权
    Shape memory alloy actuator 失效

    公开(公告)号：US07021055B2

    公开(公告)日：2006-04-04

    申请号：US11017563

    申请日：2004-12-20

    申请人： Mark A. Gummin ,  William Donakowski ,  Geoffrey A. Gaines

    发明人： Mark A. Gummin ,  William Donakowski ,  Geoffrey A. Gaines

    IPC分类号： F01B29/10

    CPC分类号： F03G7/065

    摘要： Actuators that employs a shape memory alloy component as the driving element include linear and rotational devices. An Intrinsic Return Means (IRM) may be imparted to the SMA actuator, thereby reducing the use of a spring return mechanism. The rotational actuator may include a cylindrical bobbin with a helical groove to receive an SMA wire. A number of turns may be placed in a small length of bobbin to amplify the rotational excursion. In another rotational actuator, a plurality of narrow, coaxial rings are provided, the rings being nested in close concentric fit or stacked in side-by-side fashion. Each ring is provided with a groove extending thereabout to receive an SMA wire and contraction of the wire causes each ring to rotate with respect to the adjacent ring. In an embodiment for linear actuation, the invention provides a bar-like component having SMA wires joined between bars. The invention includes a lost motion coupling to join two counter-acting SMA stroke amplification devices, whether linear or rotational.

    Shape memory alloy actuator
    5.
    发明授权
    Shape memory alloy actuator 失效
    形状记忆合金执行器

    公开(公告)号：US06762515B2

    公开(公告)日：2004-07-13

    申请号：US10056233

    申请日：2001-12-03

    申请人： Mark A. Gummin ,  William Donakowski

    发明人： Mark A. Gummin ,  William Donakowski

    IPC分类号： H02K4100

    CPC分类号： F03G7/065

    摘要： A linear actuator includes a plurality of sub-modules disposed in adjacent array and adapted to translate reciprocally parallel to a common axis. A plurality of shape memory alloy wires extend generally linearly and parallel to the axis, and are each connected from one end of a sub-module to the opposed end of an adjacent sub-module. The SMA wires are connected in a circuit for ohmic heating that contracts the SMA wires between the sub-modules. The sub-modules are linked by the SMA wires in a serial mechanical connection that combines the constriction stroke displacement of the SMA wires in additive fashion to achieve a long output stroke. Moreover, the sub-modules are assembled in a small volume, resulting in an actuator of minimal size and maximum stroke displacement. The sub-modules may be rods or bars disposed in closely spaced adjacent relationship, or concentric motive elements, with the serial mechanical connection extending from each motive element to the radially inwardly adjacent motive element, whereby the innermost motive element receives the sum of the translational excursions of all the motive elements concentric to the innermost element. The SMA linear actuator includes a restoring spring assembly having a restoring force that decreases with increasing displacement to minimize residual strain in the SMA components. The SMA wires are connected for ohmic heating in various series and parallel circuit arrangements that optimize force output, cycle time, current flow, and ease of connection.

    摘要翻译： 线性致动器包括多个子模块，其布置在相邻的阵列中并且适于平行于公共轴线往复平移。 多个形状记忆合金线大致线性地平行于轴线延伸，并且各自从子模块的一端连接到相邻子模块的相对端。 SMA线连接在用于欧姆加热的电路中，从而在子模块之间收缩SMA线。 子模块通过串联机械连接的SMA线连接，其以相加的方式组合SMA线的收缩行程位移以实现长输出冲程。 此外，子模块以小体积组装，导致最小尺寸和最大冲程位移的致动器。 子模块可以是以紧密间隔的相邻关系设置的杆或杆，或同心运动元件，其中串联机械连接从每个动力元件延伸到径向向内相邻的动力元件，由此最内部动力元件接收平移 所有与最内层元素同心的动机元素的游览。 SMA线性致动器包括具有随着位移增大而减小的恢复力的恢复弹簧组件，以最小化SMA部件中的残余应变。 SMA线连接用于各种串联和并联电路布置的欧姆加热，可优化力输出，循环时间，电流和连接方便性。

    Shape memory alloy actuator
    6.
    发明授权
    Shape memory alloy actuator 有权
    形状记忆合金执行器

    公开(公告)号：US06326707B1

    公开(公告)日：2001-12-04

    申请号：US09566446

    申请日：2000-05-08

    申请人： Mark A. Gummin ,  William Donakowski

    发明人： Mark A. Gummin ,  William Donakowski

    IPC分类号： H02K4100

    CPC分类号： F03G7/065

    摘要： A linear actuator includes a plurality of sub-modules disposed in adjacent array and adapted to translate reciprocally parallel to a common axis. A plurality of shape memory alloy wires extend generally linearly and parallel to the axis, and are each connected from one end of a sub-module to the opposed end of an adjacent sub-module. The SMA wires are connected in a circuit for ohmic heating that contracts the SMA wires between the sub-modules. The sub-modules are linked by the SMA wires in a serial mechanical connection that combines the constriction stroke displacement of the SMA wires in additive fashion to achieve a long output stroke. Moreover, the sub-modules are assembled in a small volume, resulting in an actuator of minimal size and maximum stroke displacement. The sub-modules may be rods or bars disposed in closely spaced adjacent relationship, or concentric motive elements, with the serial mechanical connection extending from each motive element to the radially inwardly adjacent motive element, whereby the innermost motive element receives the sum of the translational excursions of all the motive elements concentric to the innermost element. The SMA linear actuator includes a restoring spring assembly having a restoring force that decreases with increasing displacement to minimize residual strain in the SMA components. The SMA wires are connected for ohmic heating in various series and parallel circuit arrangements that optimize force output, cycle time, current flow, and ease of connection.

    摘要翻译： 线性致动器包括多个子模块，其布置在相邻的阵列中并且适于平行于公共轴线往复平移。 多个形状记忆合金线大致线性地平行于轴线延伸，并且各自从子模块的一端连接到相邻子模块的相对端。 SMA线连接在用于欧姆加热的电路中，从而在子模块之间收缩SMA线。 子模块通过串联机械连接的SMA线连接，其以相加的方式组合SMA线的收缩行程位移以实现长输出冲程。 此外，子模块以小体积组装，导致最小尺寸和最大冲程位移的致动器。 子模块可以是以紧密间隔的相邻关系设置的杆或杆，或同心运动元件，其中串联机械连接从每个动力元件延伸到径向向内相邻的动力元件，由此最内部动力元件接收平移 所有与最内层元素同心的动机元素的游览。 SMA线性致动器包括具有随着位移增大而减小的恢复力的恢复弹簧组件，以最小化SMA部件中的残余应变。 SMA线连接用于各种串联和并联电路布置的欧姆加热，可优化力输出，循环时间，电流和连接方便性。

    SOLENOID ACTUATORS USING EMBEDDED PRINTED CIRCUIT COILS
    7.
    发明申请
    SOLENOID ACTUATORS USING EMBEDDED PRINTED CIRCUIT COILS 审中-公开
    使用嵌入式印刷电路线圈的电磁阀执行器

    公开(公告)号：US20130236337A1

    公开(公告)日：2013-09-12

    申请号：US13775149

    申请日：2013-02-23

    申请人： Mark A. Gummin ,  Howard Cohen ,  William Donakowski

    发明人： Mark A. Gummin ,  Howard Cohen ,  William Donakowski

    IPC分类号： H02K41/02 ,  F04B43/00 ,  H02K33/02

    CPC分类号： H02K41/02 ,  F04B43/00 ,  F04B43/043 ,  F16K31/082 ,  H01F7/1646 ,  H01F2007/068 ,  H02K33/02

    摘要： A magnetomotive device has an embedded electromagnetic coil formed of multiple printed conductor segments on multiple lamina of a multilayer PCB. A shaft extends through an opening in the PCB, and a permanent magnet with axially opposed poles is secured to the shaft. Energizing the embedded electromagnet generates a magnetic field that attracts or repels the permanent magnet, driving the shaft to do useful work. A pair of embedded PCB coils may be employed, the shaft extending through both coils with the permanent magnet disposed therebetween, and the coils energized so that one repels the permanent magnet while the other attracts it, and the shaft may be driven reversibly to do useful work.

    摘要翻译： 磁性装置具有由多层印刷电路板的多层板上的多个印刷导体段形成的嵌入式电磁线圈。 轴穿过PCB中的开口，并且具有轴向相对的极的永磁体固定到轴上。 激励嵌入式电磁铁产生吸引或排斥永磁体的磁场，驱动轴进行有用的工作。 可以使用一对嵌入式PCB线圈，该轴延伸穿过两个线圈，其间设置有永磁体，并且线圈通电，使得一个驱动永久磁体，而另一个吸引它，并且该轴可以被可逆地驱动以实现有用 工作。

    Shape memory alloy actuator
    8.
    发明授权
    Shape memory alloy actuator 失效
    形状记忆合金执行器

    公开(公告)号：US06832477B2

    公开(公告)日：2004-12-21

    申请号：US10200672

    申请日：2002-07-22

    申请人： Mark A Gummin ,  William Donakowski ,  Geoffrey A. Gaines

    发明人： Mark A Gummin ,  William Donakowski ,  Geoffrey A. Gaines

    IPC分类号： F01B2910

    CPC分类号： F03G7/065

    摘要： Actuators that employs a shape memory alloy component as the driving element include linear and rotational devices. An Intrinsic Return Means (IRM) may be imparted to the SMA actuator, thereby reducing the use of a spring return mechanism. The rotational actuator may include a cylindrical bobbin with a helical groove to receive an SMA wire. A number of turns may be placed in a small length of bobbin to amplify the rotational excursion. In another rotational actuator, a plurality of narrow, coaxial rings are provided, the rings being nested in close concentric fit or stacked in side-by-side fashion. Each ring is provided with a groove extending thereabout to receive an SMA wire and contraction of the wire causes each ring to rotate with respect to the adjacent ring. In an embodiment for linear actuation, the invention provides a bar-like component having SMA wires joined between bars. The invention includes a lost motion coupling to join two counter-acting SMA stroke amplification devices, whether linear or rotational.

    摘要翻译： 采用形状记忆合金部件作为驱动元件的致动器包括线性和旋转装置。 可以向SMA致动器施加本征返回装置（IRM），从而减少弹簧复位机构的使用。 旋转致动器可以包括具有用于接收SMA线的螺旋槽的圆柱形线轴。 可以将一些匝数放置在小长度的筒管中以放大旋转偏移。 在另一个旋转致动器中，提供多个窄的同轴环，这些环以相似的同心配合嵌套或以并排的方式堆叠。 每个环设有一个在其周围延伸的凹槽，用于接收SMA线，并且线的收缩导致每个环相对于相邻的环旋转。 在用于线性致动的实施例中，本发明提供了一种具有连接在杆之间的SMA线的棒状部件。 本发明包括一个空转耦合以连接两个反作用的SMA行程放大装置，无论是线性的还是旋转的。