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    • 3. 发明申请
    • PRESSURE BALANCED HYDRAULIC DEVICE AND METHOD
    • 压力平衡液压装置及方法
    • WO2014210028A1
    • 2014-12-31
    • PCT/US2014/043903
    • 2014-06-24
    • SPX CORPORATION
    • LANDRUM, MichaelBOOTH, DwightSINTKOWSKI, Kevin
    • F16L37/35
    • F15B1/26F04B23/021Y10T137/0402Y10T137/85986
    • A hydraulic device includes a hydraulic pump, valve stack, interface tube, and upper and lower seals. The valve stack has a pressure balanced connecting with an interface tube receiving bore. The interface tube conveys a hydraulic fluid from the hydraulic pump to the valve stack and has an axial bore open at a first end and closed at a second end with an outlet proximal to the second end. The upper seal seals the interface tube in the interface tube receiving bore and is disposed annularly about the interface tube between the outlet and the second end. The lower seal seals the interface tube in the interface tube receiving bore and is disposed annularly about the interface tube proximal to the outlet and between the outlet and the first end. The upper seal and the lower seal balance a pressure of the hydraulic fluid from the outlet.
    • 液压装置包括液压泵,阀组,接口管以及上下密封。 阀组具有与接口管接收孔连接的压力平衡。 接口管将液压流体从液压泵传送到阀组,并且在第一端处具有敞开的轴向孔,并在第二端处封闭,并具有靠近第二端的出口。 上密封件密封接口管接收孔中的界面管,并且围绕出口和第二端之间的界面管环状设置。 下密封件密封接口管接收孔中的界面管,并且围绕接口管环形地设置在出口附近以及出口与第一端之间。 上密封件和下密封件平衡来自出口的液压流体的压力。
    • 7. 发明申请
    • PORTABLE WATER BACKPACK
    • 便携式水背包
    • WO2013063402A1
    • 2013-05-02
    • PCT/US2012/062134
    • 2012-10-26
    • GREIF FLEXIBLES TRADING HOLDING B.V.
    • FISCHER, David
    • A45F3/16
    • A45F3/16A45C13/10A45C2013/1007A45F3/04A45F3/20A45F2003/166
    • The present invention provides in some embodiments, the first for purpose designed, low cost, easy to transport, ergonomically correct, water transport backpack and storage device for the least developed countries of the world. The backpack includes a carrier bag and a food-safe liner configured to be disposed within the carrier bag. The carrier bag includes handles and straps to enable the user to carry the bag comfortably for long distances. The carrier bag and the food-safe liner also include wide-mouthed tops for filling the backpack with water and can be rolled down and secured with ties, in order to keep the backpack closed. The food- safe liner includes a spout for dispensing the water. The backpack also includes a flattened bottom for positioning the backpack on a flat surface for storage. The components of the water backpack can be provided as a kit for local manufacture to provide jobs.
    • 本发明在一些实施例中提供了用于世界最不发达国家的目的设计,低成本,易于运输,符合人体工程学的正确的水运背包和储存装置。 背包包括承载袋和配置为设置在承载袋内的食品安全衬里。 承载袋包括手柄和带子,以使得使用者能够舒适地携带袋子用于长距离。 运送袋和食品安全衬里还包括用于用水填充背包的宽口罩,并且可以卷起并用绑带固定,以保持背包封闭。 食品安全衬管包括用于分配水的喷口。 背包还包括用于将背包定位在平坦表面上用于存储的扁平底部。 水背包的组件可以作为本地制造的工具提供作业。
    • 8. 发明申请
    • SONIC ENHANCED OIL RECOVERY SYSTEM AND METHOD
    • SONIC增强油回收系统及方法
    • WO2012027198A1
    • 2012-03-01
    • PCT/US2011/048271
    • 2011-08-18
    • LEGACY ENERGY, INC.FRAIM, MichaelMCGEE, Rick Alan
    • FRAIM, MichaelMCGEE, Rick Alan
    • E21B43/22
    • E21B43/003
    • To increase oil recovery from an oil reservoir, an acoustic transmitter is disposed in a source well and an acoustic receiver is disposed in a producing well. A portion of the oil reservoir is disposed between the source well and the producing well. An acoustic signal is transmitted from the acoustic transmitter at frequencies of 30Hz and greater. The transmitted acoustic signal is received by the acoustic receiver and a resonant frequency of the portion of the oil reservoir is determined based on attenuation of the transmitted signal. The acoustic signal is transmitted from the acoustic transmitter at the determined resonant frequency to reduce a boundary layer effect between oil in the oil reservoir and a surface of a substrate in the oil reservoir and between the oil and a brine interface in the oil reservoir.
    • 为了从储油器增加油回收率,将声发射器设置在源阱中,并将声学接收器设置在生产井中。 储油器的一部分设置在源井和生产井之间。 从声发射机以30Hz以上的频率发送声信号。 所传输的声信号由声学接收器接收,并且基于发射信号的衰减来确定储油部分的共振频率。 声信号以确定的共振频率从声发射器传输,以减少储油器中的油和储油器中的基底表面之间以及油和储油器中的盐水界面之间的边界层效应。