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    • 7. 发明申请
    • ROTARY TO LINEAR CONVERTER FOR DOWNHOLE APPLICATIONS
    • 旋转线性转换器用于井下应用
    • US20140239745A1
    • 2014-08-28
    • US14191381
    • 2014-02-26
    • Oscilla Power Inc.
    • Balakrishnan NairAndrew Joseph GillJames H. Dudley
    • H02K7/06
    • H01L41/125E21B41/0085H02N2/18
    • A device generates electrical energy from mechanical motion in a downhole environment. The device converts rotary motion into a linear strain in a magnetostrictive material. The device includes a rotor, a magnetostrictive element, and an electrically conductive coil. The rotor rotates within a stator of a drill string. The magnetostrictive element is attached to the rotor by a first ball joint. The magnetostrictive element is configured to experience axial strain in response to rotational movement of the rotor. The magnetostrictive element includes a second ball joint on an end of the magnetostrictive element opposite the first ball joint. The electrically conductive coil is disposed in proximity to the magnetostrictive element. The electrically conductive coil is configured to generate an electrical current in response to a change in flux density of the magnetostrictive element.
    • 设备在井下环境中从机械运动产生电能。 该装置将旋转运动转换成磁致伸缩材料中的线性应变。 该装置包括转子,磁致伸缩元件和导电线圈。 转子在钻柱的定子内旋转。 磁致伸缩元件通过第一球窝接头附接到转子。 磁致伸缩元件构造成响应于转子的旋转运动而经历轴向应变。 磁致伸缩元件包括位于与第一球窝接头相对的磁致伸缩元件端部的第二球形接头。 导电线圈设置在磁致伸缩元件附近。 导电线圈被配置为响应于磁致伸缩元件的磁通密度的变化而产生电流。
    • 10. 发明申请
    • AXIAL LOADING FOR MAGNETOSTRICTIVE POWER GENERATION
    • 轴向负载用于磁力发电
    • US20140009007A1
    • 2014-01-09
    • US13936074
    • 2013-07-05
    • Oscilla Power Inc.
    • Zachary MurphreeBalakrishnan Nair
    • H01L41/12
    • H01L41/125H02N2/18
    • A device generates electrical energy from mechanical motion in a downhole environment. The device includes a magnetostrictive element and an electrically conductive coil. The magnetostrictive element has a first end and a second end. The first and second ends are coupled between two connectors. The magnetostrictive element is configured to experience axial strain in response to radial movement of at least one of the connectors relative to the other connector. The electrically conductive coil is disposed in proximity to the magnetostrictive element. The coil is configured to generate an electrical current in response to a change in flux density of the magnetostrictive element.
    • 设备在井下环境中从机械运动产生电能。 该器件包括一个磁致伸缩元件和一个导电线圈。 磁致伸缩元件具有第一端和第二端。 第一和第二端连接在两个连接器之间。 磁致伸缩元件构造为响应于至少一个连接器相对于另一个连接器的径向运动而经历轴向应变。 导电线圈设置在磁致伸缩元件附近。 线圈被配置为响应于磁致伸缩元件的磁通密度的变化而产生电流。