METHOD OF ASSESSING ROLLING CONTACT METALLIC MATERIAL SHEAR STRESS FATIGUE VALUES, AND METHOD AND DEVICE USING SAME THAT ESTIMATE FATIGUE LIMIT SURFACE PRESSURE
    82.
    发明公开
    METHOD OF ASSESSING ROLLING CONTACT METALLIC MATERIAL SHEAR STRESS FATIGUE VALUES, AND METHOD AND DEVICE USING SAME THAT ESTIMATE FATIGUE LIMIT SURFACE PRESSURE 审中-公开
    方法确定与滚动接触和方法和设备金属材料的疲劳SCHERUNGSBELASTUNGS值测量ORDER BY疲劳极限面压力

    公开(公告)号:EP2549261A1

    公开(公告)日:2013-01-23

    申请号:EP11756286.8

    申请日:2011-03-15

    申请人: NTN Corporation

    IPC分类号: G01N3/34

    摘要: Included are a testing step (S1) for determining the relation between the shear stress amplitude of a rolling contact metallic material and the number of loading by means of an ultrasonic torsional fatigue test, and a shear fatigue strength determining step (S2) for determining the shear fatigue strength τ lim within the ultra long life regime from the relation between the shear stress amplitude and the number of loadings, which relation has been determined during the test step (S1), in accordance with a predetermined standard. It is a completely reversed torsional fatigue test, in which torsional vibrations, respective torsions in the positive rotational direction and reversed rotational direction of which are symmetrical relative to each other, are applied to a test piece (1).

    摘要翻译: 包括的是用于确定性采矿测试步骤(S1)滚动接触的金属材料的剪切应力幅度和加载的通过超声波扭转疲劳试验的装置的数量,以及用于确定性开采的剪切疲劳强度确定性采矿步骤(S2)之间的关系 从剪切应力振幅和负荷的数量,这关系已经结束时的测试步骤(S1)与预定标准开采,在雅舞蹈之间的关系剪切超长寿命区域内疲劳强度的LIM。 它是一个完全呼叫反转扭转疲劳试验,其中扭转振动,在正旋转方向上扭转respectivement和反向旋转方向上的相对对称的这些都海誓山盟,被施加到试验片(1)。

    GYRATORY COMPACTOR APPARATUS AND ASSOCIATED DEVICES AND METHODS
    84.
    发明授权
    GYRATORY COMPACTOR APPARATUS AND ASSOCIATED DEVICES AND METHODS 有权
    回转式压缩机合适的设备和方法

    公开(公告)号:EP1583954B1

    公开(公告)日:2009-09-23

    申请号:EP04701525.0

    申请日:2004-01-12

    IPC分类号: G01N3/08 G01N1/28

    摘要: A gyratory compactor apparatus is provided for interacting with a sample within a generally cylindrical mold having a flange. Such an apparatus comprises a frame defining an axis and an offsetable member engaged with the frame for engaging one end of the mold. The offsetable member is displaceable from the axis and is concurrently movable in an orbital motion thereabout. A pressure ram is movable along the axis and a mold-engaging device is engaged with the frame for receiving the mold such that the mold and frame axes are coaxial. The pressure ram is axially movable within the mold to apply a compaction pressure on the sample, and thereby maintains a portion of the mold at a gyration point along the frame axis. The mold-engaging device axially moves the mold into engagement with the offsetable member. A securing device engaged with the offsetable member and movable therewith reversibly engages the mold to secure the mold to the offsetable member as the secured end is moved in the orbital motion by the offsetable member. The mold is thereby gyrated and dynamically maintained at a gyration angle. Associated apparatuses, devices, and methods are also provided.

    APPARATUS AND METHOD FOR ANALYZING WELL FLUID SAG
    86.
    发明授权
    APPARATUS AND METHOD FOR ANALYZING WELL FLUID SAG 有权
    设备和方法沉积作用钻井液的研究

    公开(公告)号:EP1509758B1

    公开(公告)日:2006-05-24

    申请号:EP03732645.1

    申请日:2003-05-21

    IPC分类号: G01N15/04 E21B49/00

    摘要: An apparatus and method are disclosed for measuring or analyzing dynamic and static sag caused by settling of weighting materials in drilling fluids or other solids bearing fluid. The apparatus comprises a tube and shear shaft assembly (30) that allows for a controlled rate of shear to be applied to a sample of the fluid for testing. During a test, the assembly is placed on a pivotal holder (1) at an angle. The assembly has pistons (9) at the pivot center of the assembly which accommodate expansion and contraction of the test fluid due to changes in temperature and pressure, thereby allowing the test fluid to be heated, cooled and pressurized to simulate subterranean wellbore conditions without changing the center of mass of the test fluid. When weight material settles down the inclined assembly, the center of mass of the assembly changes resulting in changing torque or moment about the pivotal holder. The resultant moment is measured by energizing external coils (42) arranged to provide a uniform magnetic field. The bulk average settling rate is determined using the measured coil current rate of change.

    ACCELERATED STABILITY ASSESSMENT OF DISPERSIONS AND EMULSIONS
    87.
    发明公开
    ACCELERATED STABILITY ASSESSMENT OF DISPERSIONS AND EMULSIONS 有权
    加速STABILTIÄTSBEURTEILUNG分散剂和乳剂

    公开(公告)号:EP1656552A1

    公开(公告)日:2006-05-17

    申请号:EP04753441.7

    申请日:2004-06-14

    IPC分类号: G01N33/00

    摘要: A method and apparatus for determining the stability of dispersions and emulsions (100, 10N) accelerates the onset of significant particle agglomeration in a sample by stressing the sample by reducing the height of the interparticle potential energy barrier between the particles. This is achieved by adding one or more of three stress factors (111, 11N): changing the pH of the sample to reduce the surface charge on the particles; adding an adsorbing electrolyte so that ions of the appropriate charge are adsorbed onto the surfaces of the particles to reduce the net charge on the particles; and applying a monovalent, divalent, or trivalent salt to partially screen electrostatic repulsions between the charged particles. In a preferred embodiment, the increase in agglomeration is detected with single particle detection, such as SPOS, to generate a PSD (12) from which a figure of merit (16) is derived. Another embodiment detects turbidity or light scattering to generate a value X indicative of the extent of agglomeration.

    Druck-Schubanlage zur Einleitung von hohen Schublasten in ein vorzugsweise gewölbtes Flugzeugbauteil
    88.
    发明公开
    Druck-Schubanlage zur Einleitung von hohen Schublasten in ein vorzugsweise gewölbtes Flugzeugbauteil 审中-公开
    一种用于在优选弯曲飞机部件引进高推力载荷的增压系统

    公开(公告)号:EP1524513A2

    公开(公告)日:2005-04-20

    申请号:EP04022879.3

    申请日:2004-09-24

    IPC分类号: G01N3/32 B64F5/00

    摘要: Druck-Schubanlage zur Durchführung von Belastungsversuchen an einem Flugzeugbauteil, wobei die Einleitung der Drucklast in das Flugzeugbauteil durch einen Krafteinleitungstisch erfolgt, der mit einem gerüstseitigen Widerlager das Flugzeugbauteil umfasst und der von einem kraftgeregelten Hydraulikzylinder in vorzugsweise vertikaler Richtung des Widerlagers bewegt wird. Die vorzugsweise vertikalen Schublasten werden über zwei parallel zum Flugzeugbauteil angeordnete, in ihrer Wirkrichtung gegensätzliche Schubbalken mit integrierten Hydraulikzylindern derart in das Flugzeugbauteil eingeleitet, dass die Druck- und Schublasten in gleicher Richtung wirken und über getrennt regelbare Elemente aufgebracht werden.
    Hierzu wird die nach oben wirkende vertikale Schubkraft durch einen oberhalb einer als Widerlager wirkenden Druckplatte angeordneten kraftgeregelten Hydraulikzylinder derart aufgebracht, dass eine horizontal verstellbare Lagerung des Hydraulikzylinders auf einen mit der Druckplatte zusammenwirkenden Kopfrahmen erfolgt sowie zwei seitlich geführte Zuganker die Kraftübertragung auf den Schubbalken übernehmen. Die nach unten wirkende vertikale Schubkraft wird durch zwei seitlich am zugehörigen Schubbalken angelenkte kraftgeregelte Hydraulikzylinder aufgebracht, die sich direkt an der Druckplatte abstützen sowie an der Konsole des in den Schubbalken integrierten Hydraulikzylinders drehbeweglich gelagert sind.

    摘要翻译: 试验台组件在飞机部件高推力适用于式(1)中,作为负载测试,提供向上和垂直推力(Fsv1)通过压力板(3)作为具有力控制的液压缸的计数器 (12)。 液压缸具有可调整的水平位置上的井架与压板工作时,和两个关系(9)给出的力传递到推力梁(5)。 垂直向下的力(FSV2)是通过在一个推力梁(4),在压力板的直接支持两个液压缸(13)一侧,并在支架(图6A),其中液压缸(6)是集成 与旋转运动的推力光束。

    APPARATUS AND METHOD FOR ANALYZING WELL FLUID SAG
    89.
    发明公开
    APPARATUS AND METHOD FOR ANALYZING WELL FLUID SAG 有权
    设备和方法沉积作用钻井液的研究

    公开(公告)号:EP1509758A1

    公开(公告)日:2005-03-02

    申请号:EP03732645.1

    申请日:2003-05-21

    IPC分类号: G01N15/04 E21B49/00

    摘要: An apparatus and method are disclosed for measuring or analyzing dynamic and static sag caused by settling of weighting materials in drilling fluids or other solids bearing fluid. The apparatus comprises a tube and shear shaft assembly (30) that allows for a controlled rate of shear to be applied to a sample of the fluid for testing. During a test, the assembly is placed on a pivotal holder (1) at an angle. The assembly has pistons (9) at the pivot center of the assembly which accommodate expansion and contraction of the test fluid due to changes in temperature and pressure, thereby allowing the test fluid to be heated, cooled and pressurized to simulate subterranean wellbore conditions without changing the center of mass of the test fluid. When weight material settles down the inclined assembly, the center of mass of the assembly changes resulting in changing torque or moment about the pivotal holder. The resultant moment is measured by energizing external coils (42) arranged to provide a uniform magnetic field. The bulk average settling rate is determined using the measured coil current rate of change.

    Coating adhesive strength and shear strength measuring apparatus
    90.
    发明公开
    Coating adhesive strength and shear strength measuring apparatus 有权
    用于确定涂层的粘合强度和剪切强度

    公开(公告)号:EP1345023A3

    公开(公告)日:2004-06-02

    申请号:EP03251220.4

    申请日:2003-02-28

    发明人: Nishiyama, Ituo

    IPC分类号: G01N19/04

    摘要: A coating adhesive strength and shear strength measuring apparatus which can measure both the adhesive strength and the shear strength of the coating of a test piece comprises a vertical pressure sensor (15) linked at one end to a guide shaft (14) which is movable in two, vertical and parallel, directions relative to the coating surface of a test piece (S), while a parallel pressure sensor (17) is linked at its first end by a link (16) to the other end of the vertical pressure sensor (15), the second end of the parallel pressure sensor (17) being linked to a cutting knife (18) such that, as the coating of the test piece (S) is sliced with the cutting knife (18), the vertical pressure and the parallel pressure exerted on the cutting knife (18) can be measured.