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    • 6. 发明专利
    • Vortex flow-meter
    • VORTEX流量计
    • JP2013117532A
    • 2013-06-13
    • JP2012264458
    • 2012-12-03
    • Krohne Messtechnik Gmbhクローネ メステヒニーク ゲゼルシヤフト ミツト ベシユレンクテル ハフツングKrohne Messtechnik GmbH
    • KAI GOSSNER
    • G01F1/32
    • G01F1/3263G01F1/3209
    • PROBLEM TO BE SOLVED: To provide a vortex flow-meter for making it unnecessary to perform electric and/or optical wiring to a displacement body, and for detecting the displacement of the displacement body without being accompanied by any largely scaled conduit to a measurement tube and/or conduit to a housing.SOLUTION: A vortex flow-meter 1 includes: a measurement tube 2 through which fluid passes; a vortex shedder 3 arranged in the measurement tube for generating a vortex in the fluid; and a displacement body 4 arranged in the action area of the vertex shedder, and configured to displace in accordance with pressure fluctuation which generates in accordance with the vortex in the fluid. At least one magnetic field generation device 5a and 5b arranged outside the measurement tube 2 generates a magnetic field in the area of the displacement body 4, and the displacement body 4 has magnetic permeability which is different from that of the fluid, and affects the magnetic field. At least one magnetic field detection device 6, 6a is arranged in the area of the displacement body 4 outside the measurement tube.
    • 要解决的问题:提供一种涡流流量计,用于不需要对位移体进行电和/或光布线,并且用于检测位移体的位移,而不伴随任何大尺寸的导管 到壳体的测量管和/或导管。 解决方案:涡流流量计1包括:流体通过的测量管2; 设置在测量管中的涡流发生器3,用于在流体中产生涡流; 以及排列体4,其设置在顶点起动器的动作区域中,并且被配置为根据根据流体中的涡流而产生的压力波动移位。 布置在测量管2外的至少一个磁场产生装置5a和5b在位移体4的区域中产生磁场,并且位移体4具有与流体不同的磁导率,并且影响磁 领域。 至少一个磁场检测装置6,6a设置在测量管外部的位移体4的区域中。 版权所有(C)2013,JPO&INPIT