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    • 2. 发明申请
    • ELECTROMAGNETIC DEVICE HAVING COMPACT FLUX PATHS FOR HARVESTING ENERGY FROM VIBRATIONS
    • 具有用于从振动收集能量的紧凑型通路板的电磁装置
    • US20100194117A1
    • 2010-08-05
    • US12366119
    • 2009-02-05
    • Jahir A. PabonJulio GuerreroJoachim SihlerJeffrey H. LangAlex SlocumZachary TrimbleHongshen Ma
    • Jahir A. PabonJulio GuerreroJoachim SihlerJeffrey H. LangAlex SlocumZachary TrimbleHongshen Ma
    • F03G7/08H02K41/035
    • H02K35/02
    • Electrical energy is produced by harvesting mechanical energy in the form of vibrations which are generally present in tools during the process of drilling oil wells. Electrical energy production is based on the Faraday induction principle whereby changes, i.e., movement, in magnetic flux through a coil induce an electric current through the coil. The changes in magnetic flux are produced by relative motion between at least one set of magnets and at least one coil. In particular, as the flux lines change due to the movement of the magnets, they remain perpendicular to both the direction of motion of the magnets as well as a planar or cylindrical surface defined by the coils. As a result, output for a given size of device is enhanced. Further, flexibility in adapting device form factor to particular shapes is enhanced. For example, a relatively flat device may be implemented using flexural bearing support of the magnets and coils on a printed circuit. The flexural bearings may also function as spring members that define the resonant frequency of the device. Alternative embodiments may be characterized by cylindrical or annular form factors.
    • 通过在钻井过程中通常存在于工具中的振动的形式收获机械能来产生电能。 电能产生基于法拉第感应原理,其中通过线圈的磁通中的变化,即运动引起通过线圈的电流。 磁通量的变化通过至少一组磁体与至少一个线圈之间的相对运动产生。 特别地,随着磁通线由于磁体的移动而变化,它们保持垂直于磁体的运动方向以及由线圈限定的平面或圆柱形表面。 结果,增强了给定尺寸的装置的输出。 此外,增强了将设备形状因子适应于特定形状的灵活性。 例如,可以使用在印刷电路上的磁体和线圈的弯曲轴承支撑来实现相对平坦的装置。 弯曲轴承还可以用作限定装置的谐振频率的弹簧构件。 替代实施例可以由圆柱形或环形形状因子表征。
    • 4. 发明授权
    • Wafer-level contactor
    • 晶圆级接触器
    • US06768331B2
    • 2004-07-27
    • US10125449
    • 2002-04-16
    • Simon LongsonAlex Slocum
    • Simon LongsonAlex Slocum
    • G01R3102
    • G01R1/07314G01R31/2863
    • A contact housing adapted for carrying a plurality of compliant contacts is described. The contact housing is for use in contacting a semiconductor wafer-level package having an array of contacts disposed in a predetermined pattern. The contact housing includes a first guide plate formed from a material having a temperature coefficient of expansion approximating that of the semiconductor wafer-level package. The guide plate has a first pattern of apertures formed by a microelectromechanical process such that the pattern of apertures matches the predetermined pattern of contacts on the wafer-level package. A second guide plate is formed similar to the first guide plate, and includes a second pattern of apertures disposed in vertical registration with the first pattern of apertures. A spacer is interposed between the first and second guide plates. The first and second guide plates cooperate with the spacer to form respective receptacles adapted for carrying the plurality of compliant contacts.
    • 描述了适于承载多个柔顺触点的接触壳体。 接触壳体用于接触具有以预定图案布置的触点阵列的半导体晶片级封装。 接触壳体包括由具有与半导体晶片级封装的温度系数近似的温度系数的材料形成的第一引导板。 引导板具有通过微机电工艺形成的孔的第一图案,使得孔的图案与晶片级封装上的预定图案的接触匹配。 第二引导板形成为类似于第一引导板,并且包括与第一图案的孔垂直配准设置的孔的第二图案。 间隔件置于第一和第二导向板之间。 第一和第二引导板与间隔件配合以形成适于承载多个柔性触点的相应的插座。
    • 5. 发明授权
    • Method for manufacturing externally pressurized bearing assemblies
    • 制造外部加压轴承组件的方法
    • US5488771A
    • 1996-02-06
    • US208650
    • 1994-03-09
    • Andrew J. DevittAlex Slocum
    • Andrew J. DevittAlex Slocum
    • B23Q1/26F16C29/02F16C33/14B23P11/00
    • F16C32/06B23Q1/26F16C29/025Y10T29/49639Y10T29/49641Y10T29/49888Y10T29/49998
    • A novel means for manufacturing a precision linear or rotary motion system that is comprised of one or a set of precision machine bearing rails (i.e., long straight and parallel surfaces, or a single straight shaft), precision manufactured modular bearing pads, and a carriage or housing that surrounds the bearing pads when they are placed onto the rails and held in place by placing a vacuum on the port normally used to supply pressurized lubricant to the bearing rails, but leaves a gap between the rough surface of the housing or the carriage and the backsides of the bearing pads, into which gap a stable epoxy is injected to fill the gap between the backs of the bearing pads and the inner rough surface of the carriage. These goals are achieved first by designing the bearing rails or shaft to have the required straightness and parallelism tolerance, and the carriage or housing to have the required stiffness, such that when the bearing pads are epoxy-potted in-place and the external pressure source for the lubricant is turned on, the system expands enough to provide a sufficient and even fluid or gas film between the bearing pad surface and the rails or shaft as the carriage or housing moves through its complete range of motion with respect to the shaft. Alternatively, thin shim stock with holes in it (e.g., 10 micron thick) can be placed between one or more of the bearing pads and the rail prior to turning on the vacuum. After the epoxy is injected and cured, the shim stock is easily removed when the pressure is turned on.
    • 一种用于制造精密线性或旋转运动系统的新型装置,其包括一个或一组精密机械轴承轨道(即,长直线和平行表面或单个直轴),精密制造的模块化轴承瓦块和托架 或壳体,当它们被放置在轨道上并且通过在通常用于向轴承轨道供应加压润滑剂的端口上放置真空而保持在适当位置时围绕轴承瓦片,但是在壳体的粗糙表面或滑架之间留下间隙 和轴承瓦块的背面,间隙中注入稳定的环氧树脂,以填充轴承瓦块的后部和托架的内部粗糙表面之间的间隙。 首先通过设计轴承导轨或轴来实现这些目标以具有所需的平直度和平行度公差,以及滑架或壳体具有所需的刚度,使得当轴承瓦块环氧灌封就位并且外部压力源 为了润滑剂被打开,当托架或壳体相对于轴运动其完整的运动范围时,系统膨胀得足以在轴承瓦块表面和轨道或轴之间提供足够且均匀的流体或气体膜。 或者,在打开真空之前,可以在其中具有孔的薄垫片(例如,10微米厚)放置在一个或多个轴承瓦块和轨道之间。 环氧树脂注入固化后,压力开启时,垫片可以很容易的去除。