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    • 3. 发明授权
    • Sensor powered event logger
    • 传感器电源事件记录器
    • US07747415B1
    • 2010-06-29
    • US11644038
    • 2006-12-22
    • David L. ChurchillFrederic P. MartinMichael J. HamelChristopher P. TownsendSteven W. Arms
    • David L. ChurchillFrederic P. MartinMichael J. HamelChristopher P. TownsendSteven W. Arms
    • G01L1/00G01L3/00G01L5/00G06F17/40
    • G01L5/0052F41A17/06F41A19/01G01D9/005G01P1/127
    • A system includes a structure and a circuit. The circuit is mounted to the structure. The circuit includes a sensor, a non-volatile memory, and a voltage sensitive switch. The memory and the voltage sensitive switch are connected for recording an event sensed by said sensor. The recording only uses power derived from the sensor. One embodiment of the circuit includes a processor connected for receiving a signal derived from the sensor. In this embodiment the non-volatile memory is connected to the processor for receiving and storing data derived from the signal. In one embodiment a first energy storage device is connected to receive energy from the sensor. The voltage sensitive switch is connected for releasing energy from the first energy storage device when energy stored in the first energy storage device exceeds a threshold. The processor and the non-volatile memory are connected for receiving power from the released energy.
    • 系统包括结构和电路。 电路安装到结构上。 该电路包括传感器,非易失性存储器和电压敏感开关。 存储器和电压敏感开关被连接用于记录由所述传感器感测的事件。 记录只使用从传感器得到的功率。 电路的一个实施例包括连接用于接收从传感器得到的信号的处理器。 在该实施例中,非易失性存储器连接到处理器,用于接收和存储从该信号导出的数据。 在一个实施例中,第一能量存储装置被连接以从传感器接收能量。 当存储在第一能量存储装置中的能量超过阈值时,电压敏感开关被连接用于释放来自第一储能装置的能量。 处理器和非易失性存储器被连接用于从释放的能量接收电力。
    • 6. 发明申请
    • Method of Operating a Rotatable Part
    • 操作可旋转部件的方法
    • US20110060535A1
    • 2011-03-10
    • US12947502
    • 2010-11-16
    • Steven W. ArmsChristopher P TownsendDavid L. ChurchillMichael J. Hamel
    • Steven W. ArmsChristopher P TownsendDavid L. ChurchillMichael J. Hamel
    • G06F19/00
    • G01L3/108B60C23/0411B60C23/0413B60C23/0433G01D21/00G01M5/00H02J7/32H02J7/345H02K7/1846H02N2/186
    • One embodiment of the present patent application is a method of operating a rotatable part. The method includes providing a system including a rotatable part, a magnet, an emf generating circuit, a processor, and a transmitter. The magnet and the emf generating circuit are mounted for relative rotational motion there between while the rotatable part is rotating. The processor is connected to receive a signal derived from the emf generating circuit and provide data for transmission by the transmitter. The method further includes rotating the rotatable part and generating an emf in the emf generating circuit while the rotatable part rotates. The method also includes using a signal derived from the emf to acquire data indicating a change in a mechanical property of the rotatable part while the rotatable part is rotating in which the data indicating a change in the mechanical property indicates a condition for maintenance The method further includes transmitting information related to the data with the transmitter and providing maintenance to the system based on the information.
    • 本专利申请的一个实施例是操作可旋转部件的方法。 该方法包括提供包括可旋转部分,磁体,电动势发生电路,处理器和发射器的系统。 在可转动部分旋转的同时,磁体和电动势发生电路被安装用于其间的相对旋转运动。 处理器被连接以接收从emf发生电路得到的信号,并提供数据以供发射机发射。 该方法还包括在可旋转部分旋转的同时旋转可旋转部分并在emf发生电路中产生电动势。 该方法还包括使用从emf导出的信号来获取表示可旋转部分的机械特性变化的数据,同时可旋转部分旋转,其中指示机械性能变化的数据表示维护条件该方法进一步 包括发送与所述数据相关的信息,并且基于所述信息向系统提供维护。