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    • 41. 发明授权
    • Device for determining and/or monitoring at least one physical parameter and having a piezo-drive for oscillation-excitation and -detection
    • 用于确定和/或监视至少一个物理参数并具有用于振荡激励和检测的压电驱动器的装置
    • US07191638B2
    • 2007-03-20
    • US10739526
    • 2003-12-19
    • Sergej Lopatin
    • Sergej Lopatin
    • G01N11/10
    • G01F23/2967G01F23/2968G01N2291/02836
    • A device for determining and/or monitoring at least one physical parameter of a medium, having at least one mechanically oscillatable unit and at least one drive-/receive unit. The drive-/receive unit excites the oscillatable unit to oscillate, or, it receives the oscillations of the oscillatable unit, as the case may be. The invention includes that in the drive-/receive unit at least one piezo-drive is provided, which has at least one exterior surface. The exterior surface is composed of at least two segments of different polarization, wherein the directions of polarization are directed essentially opposite to one another. The mechanically oscillatable unit is directly or indirectly connected with the exterior surface, so that the mechanically oscillatable unit is excited to a movement, or so that the movement of the mechanically oscillatable unit is received. The movement always has at least two different force components.
    • 一种用于确定和/或监测介质的至少一个物理参数的装置,具有至少一个机械振荡单元和至少一个驱动/接收单元。 驱动/接收单元激励可振荡单元振荡,或者接收振荡单元的振荡(视情况而定)。 本发明包括在驱动/接收单元中提供至少一个压电驱动器,其具有至少一个外表面。 外表面由至少两个不同极化部分组成,其中极化方向彼此基本相对。 机械振荡单元与外表面直接或间接连接,使得机械振荡单元被激发到运动,或者使得机械振荡单元的运动被接收。 运动总是至少有两个不同的力分量。
    • 42. 发明申请
    • Device for determining and/or monitoring at least one physical or chemical process variable of a medium in a container
    • 用于确定和/或监测容器中介质的至少一个物理或化学过程变量的装置
    • US20070028691A1
    • 2007-02-08
    • US10554199
    • 2004-04-21
    • Sergej LopatinHelmut Pfeiffer
    • Sergej LopatinHelmut Pfeiffer
    • G01H3/06
    • G01F23/2967G01N2291/02836
    • Apparatus for determining and/or monitoring at least one physical or chemical, process variable of a medium and includes at least one mechanically oscillatable unit and at least one driving/receiving unit. The mechanically oscillatable unit includes a tube and an internal oscillator. The tube is connected to a securement unit with an end turned away from the process and the end of the tube turned toward the process is embodied as a free end. The tube surrounds the internal oscillator and the internal oscillator is secured to the end of the tube turned toward the process with an end turned toward the process. The driving/receiving unit excites the mechanically oscillatable unit to oscillate, respectively it receives the oscillations of the mechanically oscillatable unit. The internal oscillator has at least one groove/neck, which determines at least the oscillation frequency of the mechanically oscillatable unit.
    • 用于确定和/或监测介质的至少一个物理或化学过程变量并且包括至少一个机械振荡单元和至少一个驱动/接收单元的装置。 机械振荡单元包括管和内部振荡器。 管连接到固定单元,其端部远离过程,并且朝向该过程的管的端部被实施为自由端。 管围绕内部振荡器,并且内部振荡器固定到管的端部,朝向过程转动,端部转向过程。 驱动/接收单元激发机械振荡单元振荡,分别接收机械振荡单元的振荡。 内部振荡器具有至少一个凹槽/颈部,其至少确定机械振荡单元的振荡频率。
    • 43. 发明授权
    • Device for establishing and/or monitoring a predetermined fill level in a container
    • 用于建立和/或监视容器中的预定填充水平的装置
    • US06938475B2
    • 2005-09-06
    • US10472197
    • 2002-03-16
    • Sergej Lopatin
    • Sergej Lopatin
    • G05D9/12G01F23/296G01S13/08
    • G01F23/2967G01F23/2968Y10S367/908
    • A device for establishing and/or monitoring a predetermined fill level in a container is provided, which also operates stably in liquids with surface waves, which includes: a mechanical oscillatory structure placed at the height of the predetermined fill level, an electromechanical transducer, which in operation excites the oscillatory structure to resonance oscillations, and a receiver- and evaluation-unit, which serves for determining from the resonance oscillation whether the predetermined fill level has been reached, or not, in which a shape of the oscillatory structure is so constructed that the resonance frequency changes only slowly with immersion depth in the case of immersion in the region of the predetermined fill level.
    • 提供了一种用于建立和/或监测容器中的预定填充水平的装置,其也在具有表面波的液体中稳定地操作,其包括:设置在预定填充水平高度的机械振荡结构,机电换能器,其中 在操作中激发振荡结构到共振振荡,以及接收器和评估单元,其用于从共振振荡确定是否已经达到预定填充水平,其中振荡结构的形状被构造 在浸入预定填充水平的区域的情况下,共振频率仅以浸入深度缓慢变化。
    • 44. 发明申请
    • Device for determining and/or monitoring at least one physical parameter and having a piezo-drive for oscillation-excitation and -detection
    • 用于确定和/或监视至少一个物理参数并具有用于振荡激励和检测的压电驱动器的装置
    • US20050034521A1
    • 2005-02-17
    • US10739526
    • 2003-12-19
    • Sergej Lopatin
    • Sergej Lopatin
    • G01F23/296G01N29/00
    • G01F23/2967G01F23/2968G01N2291/02836
    • A device for determining and/or monitoring at least one physical parameter of a medium, having at least one mechanically oscillatable unit and at least one drive-/receive unit. The drive-/receive unit excites the oscillatable unit to oscillate, or, it receives the oscillations of the oscillatable unit, as the case may be. The invention includes that in the drive-/receive unit at least one piezo-drive is provided, which has at least one exterior surface. The exterior surface is composed of at least two segments of different polarization, wherein the directions of polarization are directed essentially opposite to one another. The mechanically oscillatable unit is directly or indirectly connected with the exterior surface, so that the mechanically oscillatable unit is excited to a movement, or so that the movement of the mechanically oscillatable unit is received. The movement always has at least two different force components.
    • 一种用于确定和/或监测介质的至少一个物理参数的装置,具有至少一个机械振荡单元和至少一个驱动/接收单元。 驱动/接收单元激励可振荡单元振荡,或者接收振荡单元的振荡(视情况而定)。 本发明包括在驱动/接收单元中提供至少一个压电驱动器,其具有至少一个外表面。 外表面由至少两个不同极化部分组成,其中极化方向彼此基本相对。 机械振荡单元与外表面直接或间接连接,使得机械振荡单元被激发到运动,或者使得机械振荡单元的运动被接收。 运动总是至少有两个不同的力分量。