| 发明名称 |
Apparatus for measuring the speed of a flowable medium. |
| 摘要 |
<p>In order to overcome phase shifts which perturb the measurements and which are due to reflections from the wall, the device for measuring the speed of a fluid comprises a pair of ultrasonic transmitter and/or receiver transducers (18, 20) arranged in a measurement chamber (16) which has the shape of an ellipsoid of revolution, each of the transducers (18, 20) being located at one focus (F1, F2) of the ellipsoid. <IMAGE></p> |
| 申请公布号 |
EP0538930(A1) |
申请公布日期 |
1993.04.28 |
| 申请号 |
EP19920203063 |
申请日期 |
1992.10.06 |
| 申请人 |
SCHLUMBERGER INDUSTRIES |
发明人 |
KHURI-YAKUB, BUTRUS;LIGNEUL, PATRICE;BOULANGER, JEAN-LUC |
| 分类号 |
G01P5/00;G01F1/66;G01P5/24 |
主分类号 |
G01P5/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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