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    • 1. 发明申请
    • TEMPERATURE-SENSITIVE LABEL
    • 温度敏感标签
    • WO2012131538A1
    • 2012-10-04
    • PCT/IB2012/051345
    • 2012-03-21
    • SAES GETTERS S.P.A.CATTANEO, LorenaBUTERA, FrancescoALACQUA, Stefano
    • CATTANEO, LorenaBUTERA, FrancescoALACQUA, Stefano
    • G01K3/04G01K5/48
    • G06K19/07749G01K3/04G01K5/483
    • A temperature-sensitive label includes a container provided with means for the application on an item to be monitored and housing a temperature-sensitive system made up of a filiform shape memory member (1) restrained to a filiform bias member (2) provided with an engaging seat (3), formed by bending it back at one of its ends, in which one of the ends of the filiform shape memory member (1) is introduced in such a way that in case of exposure to a temperature lower than a preset critical threshold temperature (T c ) the filiform shape memory member (1) performs a phase transition, from austenitic phase to martensitic phase, which causes its irreversible disengagement from the restraint formed by the engaging seat (3) and said disengagement condition is visible through a transparent window (5).
    • 温度敏感标签包括容器,该容器设置有用于待监测项目上的应用的装置,并且容纳由限制到丝网状偏置构件(2)的丝状形状记忆构件(1)构成的温度敏感系统, 接合座(3)通过在其端部之一弯曲而形成,其中丝状形状记忆构件(1)的端部之一被引入,使得在暴露于低于预设的温度的情况下 丝状形状记忆部件(1)的临界阈值温度(Tc)从奥氏体相到马氏体相进行相变,这导致其不可逆脱离由接合座(3)形成的约束,并且所述分离条件通过 透明窗(5)。
    • 3. 发明申请
    • SHAPE MEMORY THERMAL EXPOSURE MONITOR
    • 形状记忆热暴露监测
    • WO2004013591A1
    • 2004-02-12
    • PCT/US2002/023385
    • 2002-07-23
    • AKERS, Jeffrey, W.ZERKUS, James, Michael
    • AKERS, Jeffrey, W.ZERKUS, James, Michael
    • G01K1/02
    • G01K3/04G01K1/022G01K5/483
    • A cumulative thermal exposure monitor (10) having a housing (11) with a fluid sealed interior cavity (16) and a thermally-responsive member (20) therein formed of a shape memory material which moves an indicator (21), wherein the thermal properties of the housing, cavity, and shape memory material transition temperature range are calibrated relative to one another to function in mutual cooperation such that the thermally-responsive member gradually changes from a first shape to a second shape upon absorption of heat energy over time to closely match a thermal deterioration profile of a perishable product, and to indicate the cumulative amount of heat energy absorbed and whether, at any time, the temperature has been above a preferred storage temperature range for a period of time sufficient to cause any degree of deterioration based on a known time and temperature thermal deterioration profile of the perishable product.
    • 一种累积热曝光监视器(10),具有具有流体密封的内腔(16)的外壳(11)和其中由形状记忆材料移动的指示器(21)形成的热响应元件(20),其中热量 壳体,空腔和形状记忆材料转变温度范围的特性相对于彼此校准以在相互协作中起作用,使得当热吸收热能随时间吸收时,热响应构件逐渐从第一形状变为第二形状 紧密匹配易变质产品的热退化特性,并指示吸收的热能的累积量,以及在任何时候温度是否高于优选储存温度范围一段足以引起任何程度劣化的时间 基于易腐产品的已知时间和温度热劣化特性。
    • 6. 发明申请
    • SHAPE MEMORY POLYMERS
    • 存储记忆聚合物
    • WO99042528A2
    • 1999-08-26
    • PCT/US1999/003923
    • 1999-02-23
    • A61L27/00B29C61/00C08F299/04C08G81/00C08L101/00C08L101/16
    • G01K5/483A61B2017/00871B29C61/003C08L101/00Y10S525/903Y10S977/754
    • Shape memory polymer compositions, articles of manufacture thereof, and methods of preparation and use thereof are described. The shape memory polymer compositions can hold more than one shape in memory. Suitable compositions include at least one hard segment and at least one soft segment. The Ttrans of the hard segment is preferably between -30 and 270 DEG C. At least one of the hard or soft segments can contain a cross-linkable group, and the segments can be linked by formation of an interpenetrating network or a semi-interpenetrating network, or by physical interactions of the blocks. Objects can be formed into a given shape at a temperature above the Ttrans of the hard segment, and cooled to a temperature below the Ttrans of the soft segment. If the object is subsequently formed into a second shape, the object can return to its original shape by heating the object above the Ttrans of the soft segment and below the Ttrans of the hard segment. The compositions can also include two soft segments which are linked via functional groups which are cleaved in response to application of light, electric field, magnetic field or ultrasound. The cleavage of these groups causes the object to return to its original shape.
    • 本发明涉及聚合物组合物,由其制备的制品以及制备方法和使用该组合物的方法。 聚合物形状记忆合成物可以保持至少一种形式的记忆。 合适的组合物包含至少一个硬链段和至少一个软链段。 硬链段的转变温度(T转变)优选为-30至270℃下两个段中的至少一个之间 - 硬或软 - 可以含有交联基团,并且所述段可以通过形成接合 互穿网络或半互穿网络,或两个部分之间的物理相互作用。 物体可以在硬链段的Ttrans以上的温度下成形为预定形状,然后冷却到软链段的Ttrans以下的温度。 如果该对象随后接收到第二形状,则通过将该对象加热到大于软段的Ttrans且小于硬段的Ttrans的温度,能够将所述对象恢复到其原始形状。 所述组合物还可以包括通过官能团连接的两个软链段,在所述官能团之间响应于光,电场或超声波应用发生裂解。 这些群体的分裂伴随着物体回归其原始形态。
    • 7. 发明申请
    • DEVICE COMPRISING A SHAPE-MEMORY ALLOY FOR DETECTING THE CROSSING OF A TEMPERATURE THRESHOLD
    • 包含形状记忆合金的装置,用于检测温度阈值的交叉
    • WO1994017379A1
    • 1994-08-04
    • PCT/FR1994000121
    • 1994-01-31
    • PHILIPPE, Jean-Marc
    • G01K05/48
    • G01K5/483
    • A shape-memory alloy element (1) has a geometrical configuration that evolves within a transition zone extending over a certain temperature range including the temperature threshold to be detected. An indicating and retaining means (2) is connected to the element (1) so as to maintain the shape-memory alloy element (1) in a given geometrical configuration until the temperature threshold is reached, and visually indicate the crossing of the temperature threshold by means of an irreversible alteration of its configuration under the effect of a change in the element's shape (1). The device may be used to thermomark frozen products in particular.
    • 形状记忆合金元件(1)具有在包括要检测的温度阈值的一定温度范围内的过渡区域内演化的几何构型。 指示和保持装置(2)连接到元件(1),以便将形状记忆合金元件(1)保持在给定的几何构造中,直到达到温度阈值,并且在视觉上指示温度阈值的交叉 在元素形状变化的作用下,通过其构型的不可逆改变(1)。 该装置可用于特别地冷冻冷冻产品。
    • 8. 发明申请
    • DATA LOGGING DEVICE
    • 数据记录设备
    • WO2017060676A1
    • 2017-04-13
    • PCT/GB2016/053014
    • 2016-09-28
    • THE TECHNOLOGY PARTNERSHIP PLC
    • COOK, CharlesPALMER, TimBEAN, EdNEWMAN, MatthewKING, Craig
    • G01K3/04G01K5/62G01D1/04
    • G01K3/04G01K5/483G01K5/62
    • A data logging device comprises a fluid reservoir (7) containing a fluid. A porous media (3) is provided through which the fluid can pass, and a valve (2) connects the reservoir (7) and the porous media (3) and controls flow there between. An actuator (6) is configured to actuate the valve (2) when the device crosses a predetermined applied parameter threshold so that the fluid can flow from the reservoir (7) along the porous media (3); such that the article is arranged to provide, in use, an indication of the progress of the fluid through the porous media (3) to indicate the total time that was spent by the device past the predetermined parameter threshold.
    • 数据记录装置包括容纳流体的流体储存器(7)。 提供多孔介质(3),流体可以通过该多孔介质(3),并且阀(2)连接储存器(7)和多孔介质(3)并控制其间的流动。 致动器(6)构造成当装置穿过预定的施加的参数阈值时致动阀(2),使得流体可以沿着多孔介质(3)从储存器(7)流出; 使得所述物品被布置成在使用中提供通过所述多孔介质(3)的流体进展的指示,以指示所述装置花费的所述总时间超过所述预定参数阈值。
    • 10. 发明申请
    • SENSOR DEVICES FOR STRUCTURAL HEALTH MONITORING
    • 用于结构健康监测的传感器装置
    • WO2003085360A1
    • 2003-10-16
    • PCT/US2003/009644
    • 2003-03-26
    • SRI INTERNATIONAL
    • WATTERS, David, G.HUESTIS, David, L.BAHR, Alfred, J.PRIYANTHA, NamalJAYAWEERA, Palitha
    • G01D5/12
    • G01M5/0041E01D22/00G01D5/48G01D21/00G01K3/04G01K5/483G01M5/0008G01M5/0083G01M5/0091G01N27/4035G06K19/0717H04Q9/00H04Q2209/47H04Q2209/823
    • Described herein are wireless interrogation systems and methods that rely on a complementary sensing device and interrogator. The sensing device is disposed to measure a parameter indicative of the health of a structure. A sensor reading from the sensor indicates the level of a parameter being monitored or whether one or more particular physical or chemical events have taken place. Using wireless techniques, the interrogator probes the device to determine its identity and its current sensor reading. This often includes transmission of a wireless signal through portions of the structure. When activated, the device responds with a wireless signal that identifies the device and contains information about the parameter being measured or a particular sensor state corresponding to the parameter. The identity of the device allows it to be distinguished from a number of similar devices. Thus this invention finds particular usefulness in the context of an array of devices that can be probed by a wireless interrogation unit. In one embodiment, the devices are passive and derive power from the interrogation signal.
    • 这里描述的是依赖于互补传感装置和询问器的无线询问系统和方法。 感测装置设置成测量指示结构健康的参数。 从传感器读取的传感器指示正在监视的参数的水平,或者是否发生了一个或多个特定的物理或化学事件。 使用无线技术,询问器探测设备以确定其身份及其当前的传感器读数。 这通常包括通过结构的一部分传输无线信号。 当被激活时,设备用标识设备的无线信号进行响应,并包含有关被测量参数的信息或与参数对应的特定传感器状态。 设备的身份允许将其与许多类似的设备区分开来。 因此,本发明在可由无线询问单元探测的设备阵列的上下文中发现特别有用。 在一个实施例中,设备是无源的并且从询问信号中导出功率。