Flow rate measurement using unsteady pressures
US6691584B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2002 |
| Grant date | Feb 17, 2004 |
| Priority date | — |
| Expiry date | Apr 3, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F1/712
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
According to one embodiment of the present invention, the apparatus comprises a first filter for measuring a pressure field at a first axial location along the pipe and providing a first pressure signal indicative of the vortical pressure field. The apparatus further comprises a second filter for measuring the vortical pressure field at a second axial location along the pipe and providing a second pressure signal indicative of the vortical pressure field. The apparatus further comprises a signal processor, responsive to the first and the second pressure signals, which provides a velocity signal indicative of a velocity of the vortical pressure field moving in the pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.