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    • 53. 发明授权
    • Double-flow regenerator
    • 双流再生器
    • US3963072A
    • 1976-06-15
    • US526007
    • 1974-11-21
    • Norbert Wagner
    • Norbert Wagner
    • F28D7/00F28D17/00F28F9/02F28D7/10
    • F28F9/02F28D17/00Y10S165/429Y10S62/909
    • A double-flow regenerator has several separate groups of tubes each of which is used for a respective fluid heat-exchange medium. These tubes are all received in a packed housing through which fluids to be treated are passed in heat-exchange relationship with the packing in the housing through the tubes in contact with this packing. Each group of tubes terminates within the housing at each end of a plurality of separate manifold connectors. Thus the middle of the housing is provided with a plurality of manifolds for the inner end of each tubing group and the outer end is provided with a plurality of such manifolds for each group, with several such manifold connectors provided for each group for minimum variation in tube lengths within the group.
    • 双流再生器具有几组单独的管,各自用于相应的流体热交换介质。 这些管都被接收在一个包装的外壳中,待处理流体通过与包装接触的管与壳体中的包装物进行热交换关系。 每组管在多个分开的歧管连接器的每个端部处在壳体内终止。 因此,壳体的中间设置有用于每个管组的内端的多个歧管,并且外端为每组设置有多个这样的歧管,其中为每个组提供了几个这样的歧管连接器,用于最小的变化 管长度在组内。
    • 54. 发明授权
    • Avoidance of torsional excitations in converter-controlled compressor runs
    • 在转换器控制的压缩机运行中避免扭转激励
    • US08680793B2
    • 2014-03-25
    • US13636179
    • 2011-03-22
    • Volker HüttenNorbert Wagner
    • Volker HüttenNorbert Wagner
    • H02P1/54H02P5/74
    • H02P27/04F01D5/02H02P5/74H02P6/10H02P23/04
    • A machine has a rotor and includes a converter-controlled drive and a working machine, wherein the drive and the working machine are connected such that a torque is transmitted. A frequency converter is electrically connected to the drive. The frequency converter is embodied such that in a Campbell diagram intersection points are based on the natural torsional frequency of the rotor and V-shaped symmetrical straight lines of the inter-harmonic exciter frequency for output frequencies. The output frequencies are grouped into a plurality of concentration ranges based upon a rotational speed of the machine, wherein each concentration range comprises output frequencies which are close to one another and which respectively have a common output point on the abscissa of the Campbell diagram. Each concentration range defines a blocking range, wherein the machine has an operating rotational speed range which lies outside the blocking ranges.
    • 机器具有转子并且包括转换器控制的驱动器和工作机械,其中驱动器和作业机器连接成传递转矩。 变频器电连接到驱动器。 变频器被实现为使得在坎贝尔图中,交点是基于转子的自然扭转频率和用于输出频率的谐频激励器频率的V形对称直线。 基于机器的转速将输出频率分组为多个浓度范围,其中每个浓度范围包括彼此接近并且在Campbell图的横坐标上分别具有公共输出点的输出频率。 每个浓度范围限定阻塞范围,其中机器具有位于阻挡范围之外的操作转速范围。