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    • 5. 发明申请
    • Waveform recorder apparatus and method
    • 波形记录仪及方法
    • US20070139846A1
    • 2007-06-21
    • US11315525
    • 2005-12-21
    • Geoff ButlandMichael TignorJohn DoughertyCraig WilliamsMark Culler
    • Geoff ButlandMichael TignorJohn DoughertyCraig WilliamsMark Culler
    • H01H73/00
    • H01H71/123H02H1/0053H02H3/50
    • A method for recording and having analyzed waveform data associated with an electronic circuit breaker having an electronic trip unit is disclosed. The electronic trip unit has a communication port and is capable of providing to the communication port a first signal representative of a phase current passing through the circuit breaker, and a second signal representative of a conditional event at the circuit breaker. The method includes facilitating the connection of a waveform recorder device to the communication port of the electronic trip unit; facilitating recording in a first memory of the waveform recorder device in a circular queue fashion information relating to the first signal received from the electronic trip unit; and, in response to the second signal received from the electronic trip unit, facilitating the stopping of the recording in the first memory.
    • 公开了一种用于记录和分析与具有电子跳闸单元的电子断路器相关联的波形数据的方法。 电子跳闸单元具有通信端口,并且能够向通信端口提供表示通过断路器的相电流的第一信号,以及表示断路器处的条件事件的第二信号。 该方法包括促进波形记录器装置与电子跳闸单元的通信端口的连接; 便于以与从电子跳闸单元接收到的第一信号有关的循环队列方式记录在波形记录装置的第一存储器中; 并且响应于从电子跳闸单元接收的第二信号,便于在第一存储器中停止记录。
    • 7. 发明申请
    • Multi-layer composites
    • 多层复合材料
    • US20050084696A1
    • 2005-04-21
    • US10690398
    • 2003-10-20
    • Satish GaggarKe FengDonald KulichChristopher WillisCraig Williams
    • Satish GaggarKe FengDonald KulichChristopher WillisCraig Williams
    • B32B25/08B32B27/30B32B27/08
    • B32B25/08B32B27/08B32B27/12B32B27/30B32B2355/02Y10T428/24994Y10T428/249949Y10T428/31797Y10T428/3192Y10T428/31924Y10T428/31928Y10T428/31935
    • Multi-layer composite structures offer improved weatherability and adhesion to fiber-reinforced plastic substrates when compared to structures now available. These composites have an outer layer made from a polyacrylate, a second layer made from an acrylonitrile-styrene-acrylate rubber terpolymer; a third layer made from an ABS polymer; and optionally a fourth layer made from a polyacrylate. The layers include one or more layers having an improvement selected from among: (a) the improvement wherein the second layer is made from an acrylate-modified acrylonitrile-styrene-acrylate rubber terpolymer; (b) the improvement wherein the third layer is a modified ABS that further includes a polymer modifier that decreases the softening of the ABS on contact with styrene, and an acrylonitrile-styrene-acrylate rubber terpolymer; and (c) the improvement wherein the fourth layer is present and is a polyacrylate. This composite can be applied to a fiber-reinforced plastic substrate such as fiberglass as a coating.
    • 与现在可用的结构相比,多层复合结构提供了改善的耐候性和对纤维增强塑料基材的粘合性。 这些复合材料具有由聚丙烯酸酯制成的外层,由丙烯腈 - 苯乙烯 - 丙烯酸酯橡胶三元共聚物制成的第二层; 由ABS聚合物制成的第三层; 和任选的由聚丙烯酸酯制成的第四层。 这些层包括一个或多个具有改进的层,其中:(a)改进,其中第二层由丙烯酸酯改性的丙烯腈 - 苯乙烯 - 丙烯酸酯橡胶三元共聚物制成; (b)改进,其中第三层是改性ABS,其还包括降低与苯乙烯接触的ABS的软化的聚合物改性剂,以及丙烯腈 - 苯乙烯 - 丙烯酸酯橡胶三元共聚物; 和(c)其中存在第四层并且是聚丙烯酸酯的改进。 该复合材料可用作纤维增强塑料基材如玻璃纤维作为涂层。