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    • 3. 发明申请
    • Pressure sensor
    • 压力传感器
    • US20060174711A1
    • 2006-08-10
    • US10547540
    • 2004-03-11
    • Teruo Mori
    • Teruo Mori
    • G01L7/02
    • G01L9/16
    • A pressure sensor 10 includes a casing 12 configured to be able to be filled with a fluid 16 such as a liquid or a gas, in which at least part of a surface contacting this fluid 16 is formed of a giant magnetostrictive member 18 made of a giant magnetostrictive element, and detecting means for detecting a change in magnetic permeability or an amount of remanent magnetization attributable to expansion and contraction of the giant magnetostrictive member 18 based on a pressure change of the fluid 16 filled in this casing 12. The pressure sensor 10 can detect pressure at high sensitivity and high accuracy in a short time while achieving miniaturization of a device at the same time.
    • 压力传感器10包括壳体12,其被构造成能够填充有液体或气体的流体16,其中与流体16接触的表面的至少一部分由巨磁致伸缩构件18形成,该磁致伸缩构件18由 大型磁致伸缩元件和检测装置,用于根据填充在该壳体12中的流体16的压力变化来检测归因于巨磁致伸缩构件18的膨胀和收缩的磁导率的变化量或残余磁化量。压力传感器10 可以在短时间内以高灵敏度和高精度检测压力,同时实现器件的小型化。
    • 4. 发明申请
    • Weight-measuring sensor
    • 重量测量传感器
    • US20060157288A1
    • 2006-07-20
    • US10547547
    • 2004-03-12
    • Teruo Mori
    • Teruo Mori
    • G01G7/02G01G23/36G01G7/04
    • G01G3/15G01L1/125
    • A weight sensor 10 having a simple structure and yet being capable of detecting load or pressure of an object to be measured in a short time and with high sensitivity and high precision. The sensor includes a first rotating shaft 14 vertically and rotatably supported on a stage 12, a second rotating shaft 18 axially and coaxially connected to the first rotating shaft 14 with a magnetostrictive member 16 interposed therebetween for rotatably supporting an object 20 to be measured, and a pickup coil 28 for detecting changes in magnetic permeability or remnant magnetization of the magnetostrictive member 16. Load or pressure of the object 20 is detected as the changes in magnetic permeability or remnant magnetization, which are caused by extension and contraction of the magnetostrictive member 16.
    • 重量传感器10具有简单的结构,并且能够在短时间内以高灵敏度和高精度检测待测物体的载荷或压力。 传感器包括一个垂直和可旋转地支撑在平台12上的第一旋转轴14,一个轴向同轴地连接到第一旋转轴14上的第二旋转轴18,一个介于它们之间的磁致伸缩构件16用于可旋转地支撑待测物体20;以及 用于检测磁致伸缩构件16的磁导率或残余磁化的变化的拾取线圈28。 物体20的载荷或压力被检测为由磁致伸缩构件16的伸缩引起的磁导率或残余磁化的变化。
    • 5. 发明申请
    • Magnetostrictive device, actuator, sensor, driving method of actuator and sensing method by sensor
    • 磁致伸缩装置,执行器,传感器,执行器的驱动方法和传感器的感应方式
    • US20060022831A1
    • 2006-02-02
    • US11157339
    • 2005-06-20
    • Teruo Mori
    • Teruo Mori
    • G08B13/14
    • H01L41/12H01F1/0577
    • Magnetostrictive devices, such as an actuator and a sensor, having a reduced hysteresis characteristic are provided. An actuator 10 includes a cylindrical magnetostrictive element 1 expanding or contracting in the axial direction by application of a driving magnetic field; an electromagnetic coil 2 placed on the outer surface side of the magnetostrictive element 1 and for applying the driving magnetic field; and a polar-anisotropic cylindrical magnet 3 placed on the inner surface side of the magnetostrictive element 1 and for applying a magnetic field to the magnetostrictive element 1. The polar-anisotropic cylindrical magnet 3 applies a magnetic field in the peripheral direction of the magnetostrictive element 1. The magnetic field orthogonally crosses the driving magnetic field applied to the magnetostrictive element 1 by the electromagnetic coil 2.
    • 提供具有减小的滞后特性的磁致伸缩装置,例如致动器和传感器。 致动器10包括通过施加驱动磁场在轴向方向上膨胀或收缩的圆柱形磁致伸缩元件1; 放置在磁致伸缩元件1的外表面侧并用于施加驱动磁场的电磁线圈2; 以及放置在磁致伸缩元件1的内表面侧上并用于向磁致伸缩元件1施加磁场的极性各向异性圆柱形磁体3.极性各向异性圆柱形磁体3在磁致伸缩元件的周向施加磁场 磁场与电磁线圈2正交地穿过施加到磁致伸缩元件1的驱动磁场。
    • 8. 发明授权
    • Scalable high sensitivity magnetostrictive pressure sensor
    • 可扩展的高灵敏度磁致伸缩压力传感器
    • US07219552B2
    • 2007-05-22
    • US10547540
    • 2004-03-11
    • Teruo Mori
    • Teruo Mori
    • G01L9/10
    • G01L9/16
    • A pressure sensor 10 includes a casing 12 configured to be able to be filled with a fluid 16 such as a liquid or a gas, in which at least part of a surface contacting this fluid 16 is formed of a giant magnetostrictive member 18 made of a giant magnetostrictive element, and detecting means for detecting a change in magnetic permeability or an amount of remanent magnetization attributable to expansion and contraction of the giant magnetostrictive member 18 based on a pressure change of the fluid 16 filled in this casing 12. The pressure sensor 10 can detect pressure at high sensitivity and high accuracy in a short time while achieving miniaturization of a device at the same time.
    • 压力传感器10包括壳体12,其被构造成能够填充有液体或气体的流体16,其中与流体16接触的表面的至少一部分由大的磁致伸缩构件18形成,该磁致伸缩构件18由 大型磁致伸缩元件和检测装置,用于根据填充在该壳体12中的流体16的压力变化来检测归因于巨磁致伸缩构件18的膨胀和收缩的磁导率的变化量或残余磁化量。压力传感器10 可以在短时间内以高灵敏度和高精度检测压力,同时实现器件的小型化。
    • 9. 发明申请
    • Contractor type actuator
    • 承包商类型执行器
    • US20060091738A1
    • 2006-05-04
    • US10536309
    • 2004-02-25
    • Teruo Mori
    • Teruo Mori
    • H01L41/06
    • H01L41/12
    • A contraction type actuator 10 is provided which can efficiently and evenly apply a bias magnetic field to a magnetostrictive rod to obtain a large contraction amount, while having a small and simple structure. In the contraction type actuator 10, a giant magnetostrictive rod 12 flexibly expands and contracts by controlling the strength of a magnetic field applied by a magnet coil 14. A bias magnet comprises a first bias magnet 16 and a second bias magnet 18. The fist bias magnet 16 in an approximately cylindrical shape is coaxially disposed around the giant magnetostrictive rod 12. The second bias magnet 18 is disposed in the inner space 16A of the first bias magnet 16, and is polarized in the direction of drawing a part of a magnetic field generated by the first bias magnet 16 into the inner space 16A.
    • 提供一种收缩型致动器10,其可以有效地均匀地将偏磁场施加到磁致伸缩杆以获得大的收缩量,同时具有小而简单的结构。 在收缩型致动器10中,通过控制由磁体线圈14施加的磁场的强度,大的磁致伸缩杆12弹性膨胀和收缩。 偏置磁体包括第一偏置磁体16和第二偏置磁体18。 大致圆柱形的第一偏置磁体16同轴地布置在巨磁致伸缩杆12周围。 第二偏置磁体18设置在第一偏置磁体16的内部空间16A中,并且在从第一偏置磁体16产生的磁场的一部分的一部分拉入到内部空间16A中被极化。