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    • 5. 发明授权
    • Vortex flow meter
    • 涡街流量计
    • US4838092A
    • 1989-06-13
    • US24294
    • 1987-03-10
    • Masao MisumiKoji Atsumi
    • Masao MisumiKoji Atsumi
    • G01F1/32
    • G01F1/3218
    • A vortex flow meter having a vortex generator comprises a plurality of vortex generating elements installed in a fluid passage perpendicular to the fluid's flow. An upstream-side vortex generating element and a downstream-side vortex generating element are both arranged in parallel at a predetermined interval therebetween in the direction of the fluid's flow. Zero to plural flat plates are arranged in parallel at equal intervals between both vortex generating elements. The representative length portions of the vortex generating elements are located respectively on the surfaces opposed to each other. The frequency ratio of the vortexes generated, when independently arranged, are 0.7 to 0.9 on the standard basis of the upstream-side vortex generating element.
    • 具有涡流发生器的涡流流量计包括安装在垂直于流体流动的流体通道中的多个涡流产生元件。 上游侧涡流发生元件和下游侧涡流产生元件均以其间的预定间隔在流体的流动方向上平行布置。 零到多个平板在两个涡流产生元件之间以相等的间隔平行布置。 涡流产生元件的代表性长度部分分别位于彼此相对的表面上。 当独立排列时,产生的涡流的频率比在上游侧涡流发生元件的标准基础上为0.7〜0.9。