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    • 45. 发明申请
    • Large-Scale Watercraft Storage System
    • 大型船舶存储系统
    • US20090304480A1
    • 2009-12-10
    • US12281327
    • 2007-03-02
    • Christian F. RosenbergWilliam C. MaffettBrian D. MaffettMark E. Williams
    • Christian F. RosenbergWilliam C. MaffettBrian D. MaffettMark E. Williams
    • B63C15/00B63C3/12B65G1/04B63C3/06
    • B63C15/00
    • In a watercraft storage system a “wishbone” or U-shaped cradle liftable and rotatable by an overhead crane comprises adjustable air filled hull supports to either side of a boat hull and a keel support toward the stem of the watercraft. The cradle central opening clears a cantilever storage rack support beam assembly allowing the watercraft lo be lowered onto or raised from the cantilever storage rack support beam assembly by an overhead traveling crane. To substantially reduce any longitudinal swaying of the cradle and watercraft during raising and lowering, a system or diagonal anti-sway bracing cables that automatically retract and extend is employed. In the preferred embodiment, the cradle is lowered into a water-filled channel within the storage structure to re-float the watercraft. A watercraft to be stored can be brought into the channel which contains alignment means to accurately position the watercraft over the cradle. The cradle can thereby be lifted properly, moved to a storage rack location and accurately stored on the cantilever storage rack support beam assembly.
    • 在船舶存储系统中,可由塔顶起重机提升和旋转的“叉骨”或U形托架包括可调整的空气填充的船体支撑件,其支撑到船体的任一侧,并且朝向船只的杆的龙骨支撑件。 支架中心开口清除悬臂式存放架支撑梁组件,允许船只通过架空式起重机从悬臂式存放架支撑梁组件上降下或升起。 为了在升降期间大大减少托架和船只的纵向摆动,采用自动缩回和延伸的系统或对角线防摇支撑电缆。 在优选实施例中,托架被降低到存储结构内的充满水的通道中,以重新浮动船只。 要存储的船只可以进入通道,其中包含对准装置以将船只准确地定位在支架上。 因此,托架可以被正确地提升,移动到存储架位置并且准确地存储在悬臂存储架支撑梁组件上。
    • 46. 发明授权
    • Roller cone drill bit with debris diverter plugs
    • 滚子锥钻头带碎屑转向插头
    • US07543660B2
    • 2009-06-09
    • US11677158
    • 2007-02-21
    • Michael B. CrawfordMark E. WilliamsWilliam C. SaxmanMark P. BlackmanGerald L. Pruitt
    • Michael B. CrawfordMark E. WilliamsWilliam C. SaxmanMark P. BlackmanGerald L. Pruitt
    • E21B10/22E21B10/23
    • E21B10/22E21B10/25
    • A roller cone drill bit having a bit body with at least one support arm extending from the bit body. Each support arm may have an associated spindle extending inwardly. A respective cone assembly may be rotatably disposed on each spindle. At least one diverter plug may be disposed in a hole formed in each support arm. A void space may be formed between one end of each diverter plug and the bottom of the associated hole. At least one fluid flow passageway may extend from the surface of the associated support arm to the void space to allow communication of fluid containing debris with the void space. Rotating action of the roller cone drill bit and associated cone assemblies may force packing of debris into the void space which results in biasing the diverter plug outwardly from the associated hole to contact adjacent portions of the associated cone assembly.
    • 一种滚子锥钻头,其具有从钻头体延伸的至少一个支撑臂的钻头体。 每个支撑臂可以具有向内延伸的相关联的心轴。 相应的锥形组件可以可旋转地设置在每个心轴上。 至少一个分流器插头可以设置在形成在每个支撑臂中的孔中。 可以在每个分流器插头的一端和相关联的孔的底部之间形成空隙。 至少一个流体流动通道可以从相关联的支撑臂的表面延伸到空隙空间,以允许含有碎屑的流体与空隙空间连通。 滚子锥钻头和相关的锥形组件的旋转作用可能迫使碎屑堆积在空隙空间中,从而使分流器插头从相关孔向外偏压,以接触相关锥形组件的相邻部分。
    • 48. 发明申请
    • Roller Cone Drill Bit With Enhanced Debris Diverter Grooves
    • 滚子锥钻头与增强的碎片分流槽
    • US20070261891A1
    • 2007-11-15
    • US11677166
    • 2007-02-21
    • Mark E. WilliamsMichael B. CrawfordWilliam C. SaxmanMark P. BlackmanGerald L. Pruitt
    • Mark E. WilliamsMichael B. CrawfordWilliam C. SaxmanMark P. BlackmanGerald L. Pruitt
    • E21B10/08
    • E21B10/25
    • A roller cone drill bit having a bit body with at least one support arm extending from the bit body. Each support arm may have an interior surface and exterior surface with an associated spindle extending from the interior surface. A respective cone assembly may be rotatably disposed on each spindle. A gap formed between interior portions of each cone assembly and exterior portions of the associated spindle with a fluid seal disposed in the gap to block fluid flow therethrough. Each cone assembly includes a generally circular back surface disposed adjacent to the interior surface of the associated support arm. A flow diverter groove formed in the interior surface of each support arm spaced from the associated spindle. Each diverter groove having a variable geometry to enhance the flow of fluid containing downhole debris away from the associated real assembly, and each diverter groove having a variable geometry.
    • 一种滚子锥钻头,其具有从钻头体延伸的至少一个支撑臂的钻头体。 每个支撑臂可以具有内表面和外表面以及从内表面延伸的相关心轴。 相应的锥形组件可以可旋转地设置在每个心轴上。 在每个锥形组件的内部部分和相关主轴的外部部分之间形成的间隙,其中设置在该间隙中的流体密封件以阻止流过其中的流体流动。 每个锥形组件包括邻近相关支撑臂的内表面设置的大致圆形的后表面。 形成在每个支撑臂的内表面中的与分配的主轴间隔开的分流槽。 每个分流槽具有可变的几何形状,以增强包含井下碎片的流体流离相关联的真实组件,并且每个分流槽具有可变的几何形状。
    • 49. 发明申请
    • Roller Cone Drill Bit With Debris Diverter Plugs
    • 滚子锥钻头与碎屑转向插头
    • US20070193779A1
    • 2007-08-23
    • US11677158
    • 2007-02-21
    • Michael B. CrawfordMark E. WilliamsWilliam C. SaxmanMark P. BlackmanGerald L. Pruitt
    • Michael B. CrawfordMark E. WilliamsWilliam C. SaxmanMark P. BlackmanGerald L. Pruitt
    • E21B10/00
    • E21B10/22E21B10/25
    • A roller cone drill bit having a bit body with at least one support arm extending from the bit body. Each support arm may have an associated spindle extending inwardly. A respective cone assembly may be rotatably disposed on each spindle. At least one diverter plug may be disposed in a hole formed in each support arm. A void space may be formed between one end of each diverter plug and the bottom of the associated hole. At least one fluid flow passageway may extend from the surface of the associated support arm to the void space to allow communication of fluid containing debris with the void space. Rotating action of the roller cone drill bit and associated cone assemblies may force packing of debris into the void space which results in biasing the diverter plug outwardly from the associated hole to contact adjacent portions of the associated cone assembly.
    • 一种滚子锥钻头,其具有从钻头体延伸的至少一个支撑臂的钻头体。 每个支撑臂可以具有向内延伸的相关联的心轴。 相应的锥形组件可以可旋转地设置在每个心轴上。 至少一个分流器插头可以设置在形成在每个支撑臂中的孔中。 可以在每个分流器插头的一端和相关联的孔的底部之间形成空隙。 至少一个流体流动通道可以从相关联的支撑臂的表面延伸到空隙空间,以允许含有碎屑的流体与空隙空间连通。 滚子锥钻头和相关联的锥形组件的旋转动作可以迫使碎屑堆积在空隙空间中,从而使分流器插头从相关孔向外偏压,以接触相关锥形组件的相邻部分。
    • 50. 发明授权
    • Extreme-UV scanning wafer and reticle stages
    • 极紫外扫描晶片和掩模版阶段
    • US06353271B1
    • 2002-03-05
    • US09430858
    • 1999-10-29
    • Mark E. Williams
    • Mark E. Williams
    • H02K4100
    • G03F7/70708G03F7/707G03F7/70716
    • A stage for precise positioning of a chuck in three orthogonal linear axes and in three orthogonal rotation axes that includes first and second subassemblies. The a first subassembly includes (i) a monolithic mirror that supports the chuck wherein the monolithic mirror has at least two polished orthogonal faces for interferometric determination of the X, Y, and &THgr;z positions; (ii) a plurality of electromagnetic actuators that control fine positioning in all six axes and coarse positioning in one axis; (iii) a position sensor for measuring the vertical Z position of the monolithic mirror; and (iv) a Lorentz actuator, that includes magnet array, for effecting motion in the Y axis. The a second subassembly comprising a stepping axis beam over which the first subassembly is suspended, wherein the stepping axis beam includes a drive coil array for the Lorentz actuator. T the stage can also include a cable stage subassembly that is positioned a fixed distance away from the monolithic mirror and/or a mechanical zero reference for the first subassembly.
    • 用于在三个正交线性轴线和包括第一和第二子组件的三个正交旋转轴线中精确定位卡盘的台架。 所述第一子组件包括(i)支撑所述卡盘的单片反射镜,其中所述单片反射镜具有至少两个抛光的正交面,用于干涉测定X,Y和& (ii)多个电磁致动器,其控制所有六个轴上的精细定位并且在一个轴上进行粗略定位; (iii)用于测量单片反射镜的垂直Z位置的位置传感器; 和(iv)洛伦兹致动器,其包括用于在Y轴上进行运动的磁体阵列。 第二子组件包括步进轴梁,第一子组件悬挂在该步进轴上,其中步进轴梁包括用于洛伦兹致动器的驱动线圈阵列。 该台还可以包括远离单片反射镜定位距离和/或第一子组件的机械零参考的电缆台子组件。