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    • 21. 发明授权
    • Retaining-locking system for chain link fence slats
    • 链条围栏板条的锁紧系统
    • US07165760B2
    • 2007-01-23
    • US10740697
    • 2003-12-18
    • Paul Campbell
    • Paul Campbell
    • E04H17/02
    • E04H17/066
    • A retaining-locking system for chain link fence slats includes specially notched fence slat elements having a pointed upper or lower end. The slat elements are sized and shaped to be interwoven between consecutive links of a chain link fence. A retaining-locking strip is formed of resilient material, and has an inner surface and an outer surface and at least one securing protrusion. The securing protrusion is sized and shaped to fit slidably within the notch. The protrusion is located on the outer surface of the strip. When the slat elements are interwoven into between consecutive links of a chain link fence with each of the notches aligned with one another, the retaining-locking strip inserted between the slat elements and the links, with the securing protrusion disposed within the slats, the strip will urge the slats toward the links, thereby retaining the slats within the chain link fence.
    • 用于链条篱笆板条的保持锁定系统包括具有尖的上端或下端的特别缺口的栅栏板条件。 板条元件的尺寸和形状被设计成在链节栅栏的连续链节之间交织。 保持锁定条由弹性材料形成,并且具有内表面和外表面以及至少一个固定突起。 固定突起的尺寸和形状可滑动地配合在凹口内。 突起位于条的外表面上。 当板条元件交织在链节栏杆的连续链节之间,每个凹口彼此对准时,保持锁定条插入在板条元件和链节之间,固定突起设置在板条内,条带 将推动板条朝向连杆,从而将板条保持在链条围栏内。
    • 22. 发明申请
    • Drilling systems
    • 钻井系统
    • US20050126822A1
    • 2005-06-16
    • US10733171
    • 2003-12-11
    • Paul CampbellJames Coffman
    • Paul CampbellJames Coffman
    • E21B4/06E21B4/14E21B4/20E21B4/00
    • E21B4/06E21B4/20
    • The present invention discloses, in certain asp cts, systems and methods for producing cyclical impacts and, in certain aspects for moving a drilling apparatus for drilling a borehole in a formation, the system in certain embodiments including a housing with a longitudinal axis and a movable member movably disposed therein and movable within the housing transversely to the longitudinal axis of the housing and positioned within the housing with a first space on a first side thereof and a second space on a second side thereof, the movable member substantially fluidly isolating the two spaces and movable to compress gas in one of the first space and the second space while decompressing gas in the other space so that a charge of compressed gas exits from the housing to move an impact member; e.g. for impacting a pile to be driven into the earth or for impacting a drill apparatus for drilling a wellbore, the movable member movable continuously to provide a series of impacts.
    • 本发明在某些实施例中公开了用于产生周期性冲击的系统和方法,并且在某些方面用于移动用于在地层中钻井的钻孔设备的某些实施例中,该系统在某些实施例中包括具有纵向轴线的壳体和可移动的 构件可移动地设置在其中,并且在壳体内横向于壳体的纵向轴线可移动,并且在壳体的第一侧上具有第一空间并且在其第二侧上具有第二空间,可移动构件基本上流体地隔离两个空间 并且可移动以在第一空间和第二空间中的一个空间中压缩气体,同时减压另一空间中的气体,使得压缩气体的进料从壳体排出以移动冲击构件; 例如 为了冲击一堆被驱动进入地球或冲击用于钻井的钻井设备,可移动构件可连续移动以提供一系列冲击。
    • 23. 发明授权
    • Beer dispenser
    • 啤酒机
    • US06827238B2
    • 2004-12-07
    • US09963863
    • 2001-09-26
    • Andrew BarkerPaul Campbell
    • Andrew BarkerPaul Campbell
    • B67D556
    • B67D1/1411B67D1/1416
    • A beverage dispensing apparatus being formed so as in use to provide a vortex motion in the mass of beverage flowing through the apparatus. In the vortexial flow, a low pressure area is produced at the center of the vortex so that the pressure in that region falls below equilibrium pressure and thus results in gas separating out from the liquid beverage. Since the gas breakout is achieved without the need for a flow restrictor, the pressure drop associated with these devices does not occur. Consequently, the beverage may enter the apparatus at a lower pressure. Moreover it has been found that a high quality head is formed on the draught beverage dispensed from the apparatus of the invention.
    • 一种饮料分配设备,其被形成为用于在流过该设备的饮料群中提供涡流运动。 在涡流中,在涡流的中心处产生低压区域,使得该区域中的压力低于平衡压力,从而导致从液体饮料中分离的气体。 由于在不需要流量限制器的情况下实现气体分离,因此不会发生与这些装置相关联的压降。 因此,饮料可以在较低压力下进入设备。 此外,已经发现,在从本发明的装置分配的引流饮料上形成高质量的头部。
    • 24. 发明授权
    • Method and apparatus for handling an accessed bit in a page table entry
    • 用于处理页表条目中的访问位的方法和装置
    • US06594750B1
    • 2003-07-15
    • US09456624
    • 1999-12-08
    • Paul Campbell
    • Paul Campbell
    • G06F1200
    • G06F12/1027G06F2209/481Y02D10/13
    • A method and apparatus for handling an accessed bit in a page table entry is provided. When a page table entry is not present in a translation lookaside buffer (TLB), an electrical circuit causes a TLB miss exception and branching to a first software exception handler. The first software exception handler fetches the page table entry from main memory. The first software exception handler places the page table entry in the TLB. An electrical circuit determines whether an accessed bit of the page table entry has not been asserted. If the accessed bit is not asserted, an electrical circuit causes an accessed bit exception and branches execution to a second software exception handler. The second software exception handler asserts the accessed bit in the page table entry in main memory. The second software exception handler returns control back to the original memory access, causing execution to resume where it had left off prior to the TLB miss exception. This process may be practiced for an upper-level page table entry or a lower level page table entry.
    • 提供了一种用于处理页表条目中的访问位的方法和装置。 当翻译后备缓冲器(TLB)中不存在页表条目时,电路会导致TLB未命中异常并分支到第一个软件异常处理程序。 第一个软件异常处理程序从主内存中获取页表项。 第一个软件异常处理程序将页表条目放置在TLB中。 电路确定页表项的访问位是否未被断言。 如果访问位未被置位,则电路导致访问的位异常并将执行分支到第二个软件异常处理程序。 第二个软件异常处理程序在主存储器中的页表项中断言被访问的位。 第二个软件异常处理程序将控制权返回到原始存储器访问,导致在TLB未命中异常之前它已经停止的执行恢复。 该过程可以针对上级页表项或较低级页表项进行。
    • 27. 发明申请
    • TUBE INSERTION TOOL
    • 管插入工具
    • US20170028582A1
    • 2017-02-02
    • US14812230
    • 2015-07-29
    • Paul Campbell
    • Paul Campbell
    • B27G11/00B27M3/16
    • B27G11/00B25B9/02B27M3/16B43K5/005B43K15/00
    • The present disclosure features tube insertion devices that are configured to allow a user to manually insert a hollow tube into a receiving bore, e.g., a pen tube into the bore of a blank. The disclosure also features methods of using such devices. In some implementations, the devices comprise (a) a pair of elongated arms, each arm comprising a gripping portion and an insertion portions, each of the insertion portions terminating in a distal tip, and (b) a connecting portion joining the arms such that the arms pivot about the connecting portion in a plane defined by the arms when the gripping portions are pressed together by a user. Each of the insertion portions preferably includes a relatively wider proximal portion and a relatively narrower distal tube-carrying portion, the change in width between the proximal portion and the distal portion defining a stop surface.
    • 本公开的特征在于,管插入装置被配置为允许使用者手动地将中空管插入容纳孔中,例如将笔管插入坯件的孔中。 本公开还具有使用这种装置的方法。 在一些实施方案中,装置包括(a)一对细长臂,每个臂包括夹持部分和插入部分,每个插入部分终止于远侧末端,和(b)连接臂连接部分,使得 当把手部分被使用者压在一起时,臂在由臂限定的平面中围绕连接部分枢转。 每个插入部优选地包括相对较宽的近端部分和相对较窄的远端管道承载部分,所述近端部分和远侧部分之间的宽度变化限定止动表面。
    • 29. 发明授权
    • Variable frequency control for down hole drill and method
    • 井下钻头变频调速及方法
    • US08215419B2
    • 2012-07-10
    • US12436261
    • 2009-05-06
    • Timothy J. PlunkettDale R. WolferPaul Campbell
    • Timothy J. PlunkettDale R. WolferPaul Campbell
    • E21B4/14
    • E21B4/14
    • A variable frequency down hole drill, includes a drill bit, a reciprocating piston operable to deliver an impact load to the drill bit, and means for changing the frequency with which the piston delivers impact loading to the drill bit, also resulting in a change in overall power of the drill. The means for changing frequency and overall power may operate during continuous operation of the drill. The means for changing the frequency and overall power may include a valve for selectively changing the effective volume of a drive or return chamber, an actuator for changing the timing of placing the drive or return chamber in communication with exhaust, or a system for changing the frequency in response to sensing an predetermined operating parameter of the drill, such as pressure or piston position.
    • 可变频井下钻孔机,包括钻头,可操作以将冲击载荷传递到钻头的往复式活塞,以及用于改变活塞将冲击载荷传递到钻头的频率的装置,还导致 整体力量的钻头。 用于改变频率和总体功率的方法可以在钻头的连续操作期间操作。 用于改变频率和整体功率的装置可以包括用于选择性地改变驱动或返回室的有效容积的阀,用于改变将驱动或返回室放置在与排气连通的定时的致动器,或者用于改变 响应于感测钻头的预定操作参数,例如压力或活塞位置。