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    • 3. 发明授权
    • Method of measuring viscosity and viscosity measuring apparatus
    • 测量粘度和粘度的方法
    • US09442057B2
    • 2016-09-13
    • US13512574
    • 2011-02-17
    • Nami KurauchiMiki NakamuraMasanori Yasuda
    • Nami KurauchiMiki NakamuraMasanori Yasuda
    • G01N11/14G06F19/00
    • G01N11/14
    • In a method of measuring a viscosity of a sample based on a rotation frequency ΩS of a conductive rotator rotating by applying a rotating magnetic field from outside to the rotator set in a container containing the sample and a rotation frequency ΩB of the magnetic field, a constant k1 having temperature dependency of an apparatus and a constant k2 not having the temperature dependency at each temperature are found by using a equation, η0Ωs=k1(ΩB−ΩS)−k2, where a viscosity η0 at specific temperature is known, and then a value of viscosity measured at the specific temperature is corrected by means of the constants k1 and k2, the rotation frequency ΩS of the rotator, and the rotation frequency ΩB of the magnetic field. The constant k1 may employ the temperature dependency of electric conductivity of metal used to the rotator.
    • 在通过从外部向旋转体施加旋转磁场而旋转的导电旋转体的旋转频率ΩS和包含该样品的容器和磁场的旋转频率ΩB的方法中,测定样品的粘度的方法, 通过使用等式,η0Ωs= k1(ΩB-ΩS)-k2,其中已知特定温度下的粘度η0,然后找到具有装置的温度依赖性的常数k1和在每个温度下不具有温度依赖性的常数k2 通过常数k1和k2,旋转器的旋转频率ΩS和磁场的旋转频率ΩB校正在特定温度下测量的粘度值。 常数k1可以使用用于旋转器的金属的电导率的温度依赖性。
    • 4. 发明申请
    • Regenerative pump having blades received in fluid passage
    • 具有接收在流体通道中的叶片的再生泵
    • US20050047903A1
    • 2005-03-03
    • US10921163
    • 2004-08-19
    • Masanori YasudaShinichi Yokoyama
    • Masanori YasudaShinichi Yokoyama
    • F04D23/00F04D29/30F04D1/04
    • F04D23/008
    • A casing of a regenerative pump forms a generally annular fluid passage, which conducts a fluid. An impeller is rotatably received in the casing and has a plurality of blades, which are arranged one after another in a circumferential direction to provide kinetic energy to the fluid in the fluid passage upon rotation of the impeller. The regenerative pump satisfies a relationship of 0.60≦b/a≦0.76, where “a” is an axial width of each blade, and “b” is a total axial distance, which is a sum of a first axial distance between a first axial side outer edge of the blade and an opposed first axial side inner wall of the fluid passage and a second axial distance between a second axial side outer edge of the blade and an opposed second axial side inner wall of the fluid passage.
    • 再生泵的壳体形成大体上环形的流体通道,其传导流体。 叶轮可旋转地容纳在壳体中,并且具有多个沿圆周方向一个接一个地布置的叶片,以在叶轮旋转时向流体通道中的流体提供动能。 再生泵满足0.60 <= b / a <= 0.76的关系,其中“a”是每个叶片的轴向宽度,“b”是总轴距离,其为总轴向距离, 叶片的第一轴向侧边缘和流体通道的相对的第一轴向侧内壁和叶片的第二轴向侧边缘与流体通道的相对的第二轴向侧内壁之间的第二轴向距离。
    • 8. 发明申请
    • Regenerative pump
    • 再生泵
    • US20070134083A1
    • 2007-06-14
    • US11606045
    • 2006-11-30
    • Masanori YasudaShinichi Yokoyama
    • Masanori YasudaShinichi Yokoyama
    • F04D5/00
    • F04D5/002F04D5/007F04D29/165F04D29/406F05B2250/503
    • A regenerative pump includes a casing having a fluid passage connecting an inlet with an outlet. An impeller has vanes faced to the fluid passage that includes an arc passage. An outlet passage communicates with the outlet. The outlet passage is substantially constant in cross sectional area. A communication passage connects the arc passage with the outlet passage. The casing has an inner wall that defines the communication passage. The inner wall is in a curved shape in an axial section that includes a center axis of the communication passage and extends along a center axis of the casing. The center axis of the communication passage and the outer circular profile of the impeller define an intersection therebetween. The communication passage has a vertical section, which includes the intersection, being perpendicular to the center axis of the communication passage. The inner wall reduces a crosssectional area of the communication passage in the vertical section.
    • 再生泵包括具有将入口与出口连接的流体通道的壳体。 叶轮具有面向流体通道的叶片,其包括弧形通道。 出口通道与出口连通。 出口通道截面积基本恒定。 连通通道将电弧通道与出口通道连接。 壳体具有限定连通通道的内壁。 内壁在包括连通通道的中心轴线并沿壳体的中心轴线延伸的轴向部分中呈弯曲形状。 连通通道的中心轴线和叶轮的外圆形轮廓限定了它们之间的交叉。 连通通道具有垂直于垂直于连通通道的中心轴的交点。 内壁减小了垂直部分中连通通道的横截面积。