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    • 3. 发明申请
    • MULTI-PATH MULTI-STAGE EROSION-RESISTANT VALVE FOR DOWNHOLE FLOW CONTROL
    • 多通道多级防腐蚀阀门,用于井下流量控制
    • US20140224342A1
    • 2014-08-14
    • US14174575
    • 2014-02-06
    • Xiaoqi BaoMircea BadescuStewart SherritJeffery L. HallYoseph Bar-Cohen
    • Xiaoqi BaoMircea BadescuStewart SherritJeffery L. HallYoseph Bar-Cohen
    • E21B34/06
    • E21B34/10Y10T137/0368Y10T137/7738
    • A flow control valve for use in oil well bore holes is described. The flow control valve includes a plurality of flow paths connected in parallel. The flow control valve operates by successively opening different flow paths, starting with a flow path that requires a reduced force to operate its inlet valve. The flow rate through the flow control valve is conveniently controlled by opening and closing different ones of the plurality of flow paths individually or in combination. A flow path that allows fluid to flow at substantially the full flow rate of the valve is provided as one of the parallel paths. A simple mechanical design using poppet valves and at least one cam is described. The flow control valve provides advantages including digital control of the flow rate, low operating power requirements and abrasion resistance in the presence of particulates in the fluid.
    • 描述了一种用于油井钻孔的流量控制阀。 流量控制阀包括并联连接的多个流路。 流量控制阀通过依次打开不同的流动路径操作,从需要减小力来操作其入口阀的流动路径开始。 通过单独地或组合地打开和关闭多个流动路径中的不同流动方向来方便地控制通过流量控制阀的流量。 允许流体基本上以阀的全流量流动的流动路径被提供为平行路径之一。 描述了使用提升阀和至少一个凸轮的简单机械设计。 流量控制阀提供了在流体中存在微粒的情况下数字控制流量,低操作功率要求和耐磨性的优点。
    • 4. 发明申请
    • Ultrasonic/sonic jackhammer
    • 超声波/声波手枪
    • US20070193757A1
    • 2007-08-23
    • US11700575
    • 2007-01-31
    • Yoseph Bar-CohenStewart SherritJack Herz
    • Yoseph Bar-CohenStewart SherritJack Herz
    • B25D11/00
    • B25D11/064B25D11/00B25D2250/311Y10S173/02
    • The invention provides a novel jackhammer that utilizes ultrasonic and/or sonic vibrations as source of power. It is easy to operate and does not require extensive training, requiring substantially less physical capabilities from the user and thereby increasing the pool of potential operators. An important safety benefit is that it does not fracture resilient or compliant materials such as cable channels and conduits, tubing, plumbing, cabling and other embedded fixtures that may be encountered along the impact path. While the ultrasonic/sonic jackhammer of the invention is able to cut concrete and asphalt, it generates little back-propagated shocks or vibrations onto the mounting fixture, and can be operated from an automatic platform or robotic system.
    • 本发明提供了一种利用超声波和/或声波振动作为功率源的新型手提锤。 它易于操作,不需要大量的培训,从而使用户的身体能力要求更低,从而增加潜在操作员的数量。 重要的安全优点是它不会破坏弹性或柔性材料,例如可能沿冲击路径遇到的电缆通道和管道,管道,管道,布线和其他嵌入式固定装置。 虽然本发明的超声波/超音速手推刀能够切割混凝土和沥青,但是它在安装夹具上产生很少的反向传播的冲击或振动,并且可以从自动平台或机器人系统操作。
    • 5. 发明申请
    • MONOLITHIC FLEXURE PRE-STRESSED ULTRASONIC HORNS
    • 单声弯曲预应力超声波
    • US20150298171A1
    • 2015-10-22
    • US14590971
    • 2015-01-06
    • Stewart SherritXiaoqi BaoMircea BadescuYoseph Bar-CohenPhillip Grant Allen
    • Stewart SherritXiaoqi BaoMircea BadescuYoseph Bar-CohenPhillip Grant Allen
    • B06B1/06
    • B06B1/06B06B3/00B23K20/10Y10T29/49826
    • A monolithic ultrasonic horn where the horn, backing, and pre-stress structures are combined in a single monolithic piece is disclosed. Pre-stress is applied by external flexure structures. The provision of the external flexures has numerous advantages including the elimination of the need for a pre-stress bolt. The removal of the pre-stress bolt eliminates potential internal electric discharge points in the actuator. In addition, it reduces the chances of mechanical failure in the actuator stacks that result from the free surface in the hole of conventional ring stacks. In addition, the removal of the stress bolt and the corresponding reduction in the overall number of parts reduces the overall complexity of the resulting ultrasonic horn actuator and simplifies the ease of the design, fabrication and integration of the actuator of the present invention into other structures.
    • 公开了一种整体式超声波喇叭,其中喇叭,背衬和预应力结构组合在一个整体上。 外部弯曲结构施加预应力。 提供外部挠曲具有许多优点,包括消除对预应力螺栓的需要。 去除预应力螺栓消除了执行机构中的潜在的内部放电点。 此外,它减少了由常规环形堆叠的孔中的自由表面引起的致动器堆叠中的机械故障的机会。 此外,去除应力螺栓和相应的零件数量的减少降低了所得超声波喇叭致动器的总体复杂性,并且简化了本发明的致动器的设计,制造和集成的容易性到其他结构 。
    • 7. 发明授权
    • Monolithic flexure pre-stressed ultrasonic horns
    • 单片弯曲预应力超声波喇叭
    • US08958270B2
    • 2015-02-17
    • US13178114
    • 2011-07-07
    • Stewart SherritXiaoqi BaoMircea BadescuYoseph Bar-CohenPhillip Grant Allen
    • Stewart SherritXiaoqi BaoMircea BadescuYoseph Bar-CohenPhillip Grant Allen
    • B06B3/00B23K20/10
    • B06B1/06B06B3/00B23K20/10Y10T29/49826
    • A monolithic ultrasonic horn where the horn, backing, and pre-stress structures are combined in a single monolithic piece is disclosed. Pre-stress is applied by external flexure structures. The provision of the external flexures has numerous advantages including the elimination of the need for a pre-stress bolt. The removal of the pre-stress bolt eliminates potential internal electric discharge points in the actuator. In addition, it reduces the chances of mechanical failure in the actuator stacks that result from the free surface in the hole of conventional ring stacks. In addition, the removal of the stress bolt and the corresponding reduction in the overall number of parts reduces the overall complexity of the resulting ultrasonic horn actuator and simplifies the ease of the design, fabrication and integration of the actuator of the present invention into other structures.
    • 公开了一种整体式超声波喇叭,其中喇叭,背衬和预应力结构组合在一个整体上。 外部弯曲结构施加预应力。 提供外部挠曲具有许多优点,包括消除对预应力螺栓的需要。 去除预应力螺栓消除了执行机构中的潜在的内部放电点。 此外,它减少了由常规环形堆叠的孔中的自由表面引起的致动器堆叠中的机械故障的机会。 此外,去除应力螺栓和相应的零件数量的减少降低了所得超声波喇叭致动器的总体复杂性,并且简化了本发明的致动器的设计,制造和集成的容易性到其他结构 。