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    • 46. 发明申请
    • POPPET VALVE WITH INTEGRATED DAMPENER
    • 带集成阻尼器的POPPET阀
    • WO2013009432A2
    • 2013-01-17
    • PCT/US2012/042660
    • 2012-06-15
    • NATIONAL OILWELL VARCO, L.P.MARICA, Adrian
    • MARICA, Adrian
    • F04B39/10F04B47/00F04B53/10F04B53/12F16K15/02
    • F16K3/262F04B39/1013F04B47/00F04B53/10F04B53/129F16K15/026F16K47/00Y10T137/7904Y10T137/7915
    • A poppet valve with an integrated dampener is disclosed. In some embodiments, the valve includes a poppet guide with a stem and a hollow poppet is disclosed. The hollow poppet receives the poppet guide stem therein, thereby defining an internal cavity. The poppet is movable relative to the poppet guide to adjust the volume of the internal cavity. The poppet is also moveable relative to a valve seat between a seated position and an unseated position. The poppet may include a body with a seal groove and an elastic seal disposed within the seal groove. The seal is configured to engage the valve seat prior to the poppet body when the poppet moves toward the seated position. The valve may include a poppet guide pivot system that enables pivoting of the poppet guide and the poppet relative to an axial centerline of the valve.
    • 公开了一种具有集成阻尼器的提升阀。 在一些实施例中,阀包括具有杆的提升阀引导件和空心提升阀。 空心提升阀在其中容纳提升阀导向杆,由此限定内部空腔。 提升阀可相对于提升阀导向件移动以调节内腔的容积。 提升阀也可相对于阀座在就座位置和非阀座位置之间移动。 提动头可以包括具有密封槽和设置在密封槽内的弹性密封件的主体。 密封件构造成当提升阀向着就座位置移动时在提升阀体之前接合阀座。 阀可以包括提升阀引导件枢转系统,该提升阀引导件枢转系统能够使提升阀引导件和提升阀相对于阀的轴向中心线枢转。
    • 49. 发明申请
    • FORCE-INDUCED MAGNETIZATION CONTRAST FOR DIAGNOSIS AND IMAGING
    • 力诱导磁化对比诊断和成像
    • WO2012012596A2
    • 2012-01-26
    • PCT/US2011/044780
    • 2011-07-21
    • UNIVERSITY OF HOUSTON SYSTEMXU, ShoujunYAO, Li
    • XU, ShoujunYAO, Li
    • G01N33/53G01N27/72G01N33/58
    • A61K49/1872G01N33/5014G01N33/532G01N33/54326
    • A method of detecting target molecules comprising; conjugating a first magnetic particle to a first ligand to form a first magnetic particle ligand conjugate; adding the conjugate to a sample containing target molecules to form a mixture comprising, the free conjugate and conjugate-target molecule binding pairs; measuring a first magnetization of the mixture; subjecting the mixture to a first force; measuring a second magnetization value of the mixture; subtracting the second magnetization value from the first magnetization value to calculate a first force-induced magnetization contrast; subjecting the mixture to a second force; measuring a third magnetization of the mixture; and subtracting the third magnetization value from the second magnetization value to calculate a second force-induced magnetization contrast.
    • 检测靶分子的方法,包括: 将第一磁性颗粒与第一配体缀合以形成第一磁性颗粒配体缀合物; 将缀合物加入到含有目标分子的样品中以形成包含游离缀合物和缀合物 - 目标分子结合对的混合物; 测量混合物的第一磁化强度; 使混合物经受第一作用力; 测量混合物的第二磁化值; 从第一磁化值中减去第二磁化值以计算第一力引起的磁化对比度; 使混合物受到第二力; 测量混合物的第三磁化强度; 并从第二磁化值中减去第三磁化值以计算第二力引起的磁化对比度。
    • 50. 发明申请
    • INFLATABLE RESTRAINT SYSTEM
    • 可充气限制系统
    • WO2012012559A2
    • 2012-01-26
    • PCT/US2011/044716
    • 2011-07-20
    • NATIONAL OILWELL VARCO, L.P.HANKINS, John BenjaminZAHN, Baldwin
    • HANKINS, John BenjaminZAHN, Baldwin
    • E21B19/14F16L3/00
    • E21B19/14
    • A racking board for retaining tubulars is disclosed having a first finger, a second finger positioned generally parallel to the first finger and with a gap between the fingers serving as a storage area for tubulars. A first inflatable member is supported adjacent to the first finger and a second inflatable member is supported adjacent to the second finger, the inflatable members adapted to expand radially into the gap upon inflation so as to capture and retain the tubular. In some embodiments, a single inflatable member in employed to expand into the gap and retain the tubular. A method of racking tubulars is disclosed using elongate, inflatable restraints.
    • 公开了一种用于保持管状的搁板,其具有第一指状物,第二手指大致平行于第一指状物定位,并且指状物之间的间隙用作管状物的储存区域。 第一可膨胀构件被支撑在第一手指附近,并且第二可膨胀构件被支撑为邻近第二指状物,所述可膨胀构件适于在膨胀时径向扩张到间隙中,以便捕获并保持管状物。 在一些实施例中,用于扩展到间隙中并保持管状物的单个可膨胀构件。 公开了一种使用细长的,可充气的约束装置来管理管子的方法。