| 摘要 |
<p>CORIOLIS-TYPE MASS FLOW METER COMPRISING AT LEAST TWO STRAIGHT PARALLEL VIBRATING TUBES Coriolis-type mass flow meter to be used in a flowline, said meter comprising a flow means for having a fluid flow therethrough, said flow means being adapted to be vibrated by an exciting means at 50% of the length of the flow means in a direction normal to the flow direction, and means adapted to detect the phase difference occurring between upstream and downstream parts of the flow means at equal distances from the exciting means, when subjected to vibration at a certain frequency, and means adapted to connect the flow means to the flowline, wherein said flow means comprises at least two straight parallel tubes.</p> |
