| 摘要 |
A sonic flow meter in the form of a conduit providing a linear fluid flow path and having first and second openings on opposite sides of the conduit displaced in an upstream-downstream relationship providing a sonic path through the interior of the conduit, with sonic transducers elements positioned to transmit and receive energy through the sonic path, and having an upstream and downstream flow straightener for separating the fluid stream into a plurality of reduced-cross-sectional area streams, ends of the flow straightener being in planes paralleling, and adjacent the sonic path.
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