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    • 82. 发明申请
    • Method and System for Dynamic Voltage and Frequency Scaling (DVFS)
    • 动态电压和频率缩放方法与系统(DVFS)
    • US20090049314A1
    • 2009-02-19
    • US12190029
    • 2008-08-12
    • Ali TahaSani GosaliZhijun GongNelson SollenbergerJohn Wright
    • Ali TahaSani GosaliZhijun GongNelson SollenbergerJohn Wright
    • G06F1/00
    • G06F1/3203G06F1/324G06F1/3296Y02D10/126Y02D10/172
    • Methods and systems for dynamic voltage and frequency scaling (DVFS) may include monitoring change in resource utilization of an electronic device. If the change is greater than a threshold amount, a frequency of at least one clock and/or voltage for at least one voltage island may be adjusted. The resource utilization may be measured as, for example, a number of instructions executed per second. The frequency and/or voltage adjustment may depend on one or more operating points that may correspond to a power management state. An interrupt received in a power management state may also indicate an operating point. If resource utilization has increased, the frequency/voltage may be increased. Similarly, in cases where resource utilization has decreased, the frequency/voltage may be decreased. Voltage to circuits using the clock may be increased prior to increasing the clock frequency, and the voltage may be decreased after decreasing the clock frequency.
    • 用于动态电压和频率缩放(DVFS)的方法和系统可以包括监测电子设备的资源利用的变化。 如果该变化大于阈值,则可调整至少一个电压岛的至少一个时钟和/或电压的频率。 资源利用可以被测量为例如每秒执行的指令的数量。 频率和/或电压调节可以取决于可对应于功率管理状态的一个或多个工作点。 在电源管理状态下接收到的中断也可以指示操作点。 如果资源利用率增加,频率/电压可能会增加。 类似地,在资源利用率下降的情况下,可以降低频率/电压。 使用时钟的电路的电压可以在增加时钟频率之前增加,并且可以在降低时钟频率之后降低电压。
    • 84. 发明申请
    • Actuator system having a valve manifold
    • 具有阀歧管的致动器系统
    • US20070151235A1
    • 2007-07-05
    • US11325370
    • 2006-01-03
    • John Wright
    • John Wright
    • F16D31/02
    • F15B20/002F15B2211/20538F15B2211/212F15B2211/30505F15B2211/3051F15B2211/3127F15B2211/8623F15B2211/8752F15B2211/8757
    • A block manifold for a fail safe actuator system allows the actuator operation with a hand pump if electrical power were not available. A method is available to isolate fail safe solenoid valves and an accumulator from a hand pump circuit to relieve the stored energy from the fail safe circuit. An additional set of pilot operated check valves were installed between the motor driven pump circuit and the hand pump circuit. These pilot operated check valves isolated the hand pump circuit from the fail safe dump solenoid and accumulator. These pilot actuated check valves also hold the actuator in the fail safe position as long as the hand pump system was not used. There is also a hydraulic bleed circuit to relieve the accumulator stored energy when the hand pump system was used.
    • 用于故障安全执行器系统的块歧管允许在没有电力的情况下使用手动泵进行执行器操作。 一种方法可用于隔离来自手动泵电路的故障安全电磁阀和蓄能器,以便从故障安全回路中释放存储的能量。 在电机驱动泵电路和手动泵电路之间安装了一组先导式止回阀。 这些先导式止回阀将手泵电路与故障安全转储电磁阀和蓄电池隔离。 只要不使用手动泵系统,这些先导式止回阀也将执行器保持在故障安全位置。 当使用手动泵系统时,还有一个液压泄放电路可以缓解蓄能器的储存能量。
    • 87. 发明申请
    • Pipe coupling
    • 管接头
    • US20060267343A1
    • 2006-11-30
    • US11489487
    • 2006-07-20
    • John Wright
    • John Wright
    • F16L21/06
    • F16L21/08F16L17/04F16L21/005
    • The invention relates to a pipe coupling for rigid plastics pipes having smooth cylindrical ends. The coupling includes a rigid sleeve having a longitudinal bore. Two spaced apart annular grooves are provided in the bore to respectively house deformable annular seals adjacent the ends of the sleeve. O-rings will be used as seals. A harness is securable over the sleeve with pipe engaging teeth adjacent each of the opposite ends. The harness is split longitudinally with a cylindrical passage having an annular recess to receive the sleeve. The teeth are formed by serrated ridges, preferably screw threads, in the passage extending from the recess to the outer ends of the passage. Corresponding lateral lugs on each half of the harness have bolt holes for assembly of the harness over the sleeve. The coupling is particularly suited for connecting plastics pipes used to convey backfill, normally in underground mining operations.
    • 本发明涉及一种具有光滑圆柱端的刚性塑料管的管接头。 联轴器包括具有纵向孔的刚性套筒。 在孔中设置两个间隔开的环形槽,以分别容纳与套筒端部相邻的可变形环形密封件。 O形圈将用作密封件。 线束可以在套筒上固定,管子与相邻端部相邻的齿相啮合。 线束纵向分开,圆柱形通道具有环形凹槽以接收套筒。 齿在通道中从凹槽延伸到通道的外端的通道中形成有锯齿状的脊,优选是螺纹。 线束的每一半上的相应的横向凸耳具有用于将线束组装在套筒上的螺栓孔。 联轴器特别适用于连接用于传送回填物的塑料管道,通常在地下采矿作业中。