SHAPE MEMORY ALLOY POWERED HYDRAULIC ACCUMULATOR HAVING WIRE GUIDES
    21.
    发明申请
    SHAPE MEMORY ALLOY POWERED HYDRAULIC ACCUMULATOR HAVING WIRE GUIDES 有权
    形状记忆合金动力液压蓄能器有线指导

    公开(公告)号:US20120017581A1

    公开(公告)日:2012-01-26

    申请号:US12842003

    申请日:2010-07-22

    IPC分类号: F03G7/00

    摘要: A system, in certain embodiments, includes an accumulator having a first plate with a first wire guide and a second plate with a second wire guide. The second plate is positioned at an offset from the first plate, and the second plate is moveable relative to the first plate to adjust a fluid pressure. The accumulator also includes a plurality of shape memory alloy wires extending between the first and second plates, wherein the plurality of shape memory alloy wires extend along the first and second wire guides.

    摘要翻译: 在某些实施例中,系统包括具有带有第一导线引导件的第一板和具有第二导线器的第二板的蓄电池。 第二板位于与第一板偏移的位置,第二板相对于第一板移动以调节流体压力。 蓄电池还包括在第一和第二板之间延伸的多个形状记忆合金线,其中​​多个形状记忆合金线沿着第一和第二线引导件延伸。

    SHAPE MEMORY ALLOY ACTUATED ADAPTIVE EXHAUST NOZZLE FOR JET ENGINE
    22.
    发明申请
    SHAPE MEMORY ALLOY ACTUATED ADAPTIVE EXHAUST NOZZLE FOR JET ENGINE 有权
    形状记忆合金致动自适应排气喷嘴喷气发动机

    公开(公告)号:US20100107646A1

    公开(公告)日:2010-05-06

    申请号:US12539242

    申请日:2009-08-11

    申请人: Gangbing Song Ning Ma

    发明人: Gangbing Song Ning Ma

    IPC分类号: F02K1/06 B63H11/10

    摘要: The proposed adaptive exhaust nozzle features an innovative use of the shape memory alloy (SMA) actuators for actively control of the opening area of the exhaust nozzle for jet engines. The SMA actuators remotely control the opening area of the exhaust nozzle through a set of mechanism. An important advantage of using SMA actuators is the reduction of weight of the actuator system for variable area exhaust nozzle. Another advantage is that the SMA actuator can be activated using the heat from the exhaust and eliminate the need of other energy source. A prototype has been designed and fabricated. The functionality of the proposed SMA actuated adaptive exhaust nozzle is verified in the open-loop tests.

    摘要翻译: 所提出的自适应排气喷嘴具有形状记忆合金(SMA)致动器的创新用途,用于主动地控制用于喷气发动机的排气喷嘴的开口面积。 SMA致动器通过一套机构远程控制排气喷嘴的开口面积。 使用SMA致动器的一个重要优点是可减小可变面积排气喷嘴的致动器系统的重量。 另一个优点是可以使用来自排气的热量来激活SMA致动器,并消除对其他能量源的需要。 原型设计和制造。 在开环测试中验证了所提出的SMA致动自适应排气喷嘴的功能。

    System and method for monitoring the health of joints

    公开(公告)号:US10674955B2

    公开(公告)日:2020-06-09

    申请号:US13968018

    申请日:2013-08-15

    摘要: A system and method for detecting lubrication conditions, lubrication regimes, impingement, stick-slip, and/or surface damage allows the health of a joint to be monitored. The system and method provides in situ or in vivo real-time monitoring of dynamic and static conditions of the joint. The monitoring system may use both passive and active sensing approaches that employ strategically placed piezoelectric transducers on/in the articulating components of the joint. In some embodiments, the transducers may be Lead Zirconate Titanate (PZT) transducers. Active sensing may be used to detect lubrication regimes under static and dynamic conditions. Passive sensing may be used to characterize the joint motion and abnormities, such as impingements and surface damages.

    Shape memory alloy powered hydraulic accumulator
    24.
    发明授权
    Shape memory alloy powered hydraulic accumulator 有权
    形状记忆合金动力液压蓄能器

    公开(公告)号:US09127696B2

    公开(公告)日:2015-09-08

    申请号:US12631424

    申请日:2009-12-04

    摘要: A system, in certain embodiments, includes an accumulator. The accumulator includes a first cylinder configured to receive a fluid within an internal volume of the first cylinder. The accumulator also includes a piston configured to move axially within the first cylinder. Axial movement of the piston within the first cylinder adjusts the internal volume of the first cylinder. The accumulator further includes a plurality of shape memory alloy wires configured to cause the axial movement of the piston within the first cylinder.

    摘要翻译: 在某些实施例中,系统包括蓄能器。 蓄能器包括构造成在第一气缸的内部容积内容纳流体的第一气缸。 蓄能器还包括构造成在第一气缸内轴向移动的活塞。 活塞在第一气缸内的轴向运动调节第一气缸的内部容积。 蓄能器还包括多个形状记忆合金线,其被配置为使活塞在第一气缸内的轴向运动。

    Shape memory alloy powered hydraulic accumulator having wire clamps
    25.
    发明授权
    Shape memory alloy powered hydraulic accumulator having wire clamps 有权
    形状记忆合金动力液压蓄能器,具有线夹

    公开(公告)号:US08695334B2

    公开(公告)日:2014-04-15

    申请号:US12842008

    申请日:2010-07-22

    IPC分类号: F02G1/04 F01B29/10

    摘要: A system, in certain embodiments, includes an accumulator having a first plate, a second plate positioned at an offset from the first plate, and a shape memory alloy wire extending between the first and second plates from a first wire portion to a second wire portion. The shape memory alloy wire is configured to move the first or second plate to adjust a fluid pressure in response to an electrical current through the shape memory alloy wire. The accumulator also includes a wire clamp assembly coupled to the first wire portion and/or the second wire portion of the shape memory alloy wire.

    摘要翻译: 在某些实施例中,系统包括具有第一板,位于与第一板偏移的第二板的蓄能器和从第一线部分到第二线部分在第一板和第二板之间延伸的形状记忆合金线 。 形状记忆合金线被配置为移动第一或第二板以响应于通过形状记忆合金线的电流来调节流体压力。 蓄电池还包括耦合到形状记忆合金线的第一线部分和/或第二线部分的线夹组件。

    ACTUATION OF SHAPE MEMORY ALLOY MATERIALS USING ULTRACAPACITORS
    26.
    发明申请
    ACTUATION OF SHAPE MEMORY ALLOY MATERIALS USING ULTRACAPACITORS 有权
    使用超声波记录合金材料的加工

    公开(公告)号:US20120019216A1

    公开(公告)日:2012-01-26

    申请号:US12841998

    申请日:2010-07-22

    IPC分类号: H02J7/00

    摘要: A system, in certain embodiments, includes a power supply. The power supply includes an ultracapacitor configured to be charged by a DC source. The power supply also includes a first switch that enables charging of the ultracapacitor by the DC source when in a closed position and disables charging of the ultracapacitor when in an open position. The power supply further includes a second switch configured to enable discharging of the ultracapacitor when in a closed position and to disable discharging of the ultracapacitor when in an open position. As the ultracapacitor is discharged, a current is supplied to actuate a shape memory alloy element.

    摘要翻译: 在某些实施例中,系统包括电源。 电源包括配置为由DC源充电的超级电容器。 电源还包括第一开关,其能够在处于关闭位置时由DC源充电超级电容器,并且当处于打开位置时禁止对超级电容器充电。 电源还包括第二开关,其被配置为当处于关闭位置时能够对超级电容器进行放电,并且在处于打开位置时禁止超级电容器的放电。 当超级电容器放电时,提供电流以致动形状记忆合金元件。

    SELF-HEATING CONCRETE USING CARBON NANOFIBER PAPER
    27.
    发明申请
    SELF-HEATING CONCRETE USING CARBON NANOFIBER PAPER 有权
    自加热混凝土使用碳纳米纤维纸

    公开(公告)号:US20120018415A1

    公开(公告)日:2012-01-26

    申请号:US13186770

    申请日:2011-07-20

    IPC分类号: H05B1/00

    摘要: Electric, self-heating concrete systems that uses embedded carbon macrofiber or nanofibers paper as electric resistance heating elements are disclose. The self-heating concrete systems may utilize the conductive properties of carbon macrofiber or nanofiber materials to heat a surface overlay of concrete with various admixtures to improve the concrete's thermal conductivity. The self-heating concrete systems allow concrete roadways or the like to be heated to above freezing temperatures in a freezing environment in a reasonable amount of time.

    摘要翻译: 公开了使用嵌入式碳超细纤维或纳米纤维纸作为电阻加热元件的电气自加热混凝土系统。 自加热混凝土系统可以利用碳超细纤维或纳米纤维材料的导电性能来加热具有各种混合物的混凝土的表面覆盖层,以提高混凝土的导热性。 自加热混凝土系统允许混凝土路面等在合理的时间内在冷冻环境中被加热到高于冰点的温度。

    Piezoceramic-based smart aggregate for unified performance monitoring of concrete structures
    28.
    发明授权
    Piezoceramic-based smart aggregate for unified performance monitoring of concrete structures 有权
    基于压电陶瓷的智能骨料,用于混凝土结构的统一性能监测

    公开(公告)号:US07987728B2

    公开(公告)日:2011-08-02

    申请号:US11825370

    申请日:2007-07-06

    IPC分类号: G01M7/00

    CPC分类号: G01M5/0066 G01M5/0033

    摘要: A system for monitoring the health of a structure, e.g., a concrete wall, bridge, pillars, using a smart aggregate is disclosed. The smart aggregate includes a piezoceramic transducer(s) and associated communication links. The transducer is embedded into the structure prior to the manufacture of the structure. The disclosed system can monitor internal stresses, cracks and other physical forces in the structures during the structures' life. The system is capable of providing an early indication of the health of the structure before a failure of the structure can occur.

    摘要翻译: 公开了一种用于监测结构的健康状况的系统,例如使用智能骨料的混凝土墙壁,桥梁,柱子。 智能聚合体包括压电陶瓷换能器和相关联的通信链路。 传感器在制造结构之前嵌入结构中。 所公开的系统可以在结构的生命中监测结构中的内部应力,裂缝和其他物理力。 该系统能够在结构发生故障之前提供对结构健康状况的早期指示。

    SYSTEMS AND METHODS UTILIZING CARBON NANOFIBER AGGREGATE FOR PERFORMANCE MONITORING OF CONCRETE STRUCTURES
    30.
    发明申请
    SYSTEMS AND METHODS UTILIZING CARBON NANOFIBER AGGREGATE FOR PERFORMANCE MONITORING OF CONCRETE STRUCTURES 有权
    使用碳纳米管聚合物进行混凝土结构性能监测的系统和方法

    公开(公告)号:US20140111231A1

    公开(公告)日:2014-04-24

    申请号:US14058547

    申请日:2013-10-21

    IPC分类号: G01R27/14 B29C39/00

    摘要: A carbon nanofiber aggregate (CNFA) system and method provides self-sensing capabilities that can be used to detect strain, moisture, and temperature changes. The CNFA may include cement, aggregate, silica fume, high-range water reducer (HRWR), and/or carbon nanofibers. The metal meshes in the CNFA may be utilized to monitor the electric properties of the CNFA to detect strain, moisture, and temperature changes. The CNFA may be embedded in concrete structures to allow detection of strain, moisture, and temperature changes that may cause damage to structures. Several metal meshes may be embedded in the CNFA.

    摘要翻译: 碳纳米纤维聚集体(CNFA)系统和方法提供了可用于检测应变,湿度和温度变化的自我感应能力。 CNFA可以包括水泥,骨料,硅灰,高效减水剂(HRWR)和/或碳纳米纤维。 CNFA中的金属网可用于监测CNFA的电性能,以检测应变,湿度和温度变化。 CNFA可以嵌入混凝土结构中,以便检测可能导致结构损坏的应变,水分和温度变化。 可以在CNFA中嵌入几个金属网。